From d66704f7f451e680a263f8499d9c023bd59854f2 Mon Sep 17 00:00:00 2001
From: Thomas ADAM <tadam@silicom.fr>
Date: Wed, 20 Apr 2022 14:55:10 +0200
Subject: [PATCH 1/4] Add precision on FeederInfo constructor with double value

Signed-off-by: Thomas ADAM <tadam@silicom.fr>
---
 .../powsybl/sld/svg/DirectionalFeederInfo.java   | 16 +++++++++++++---
 .../sld/iidm/TestCase14UpToNFeederInfos.java     |  6 +++---
 .../resources/TestCase14UpToNFeederInfos.svg     |  4 ++--
 3 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java b/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java
index 2449015d1..da5bd090b 100644
--- a/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java
+++ b/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java
@@ -1,5 +1,7 @@
 package com.powsybl.sld.svg;
 
+import org.apache.commons.math3.util.Precision;
+
 import java.util.Objects;
 
 /**
@@ -22,11 +24,19 @@ public DirectionalFeederInfo(String componentType, DiagramLabelProvider.LabelDir
     }
 
     public DirectionalFeederInfo(String componentType, double value) {
-        this(componentType, value, null);
+        this(componentType, value, 0, null);
+    }
+
+    public DirectionalFeederInfo(String componentType, double value, int precision) {
+        this(componentType, value, precision, null);
     }
 
-    public DirectionalFeederInfo(String componentType, double value, String userDefinedId) {
-        this(componentType, value > 0 ? DiagramLabelProvider.LabelDirection.OUT : DiagramLabelProvider.LabelDirection.IN, null, String.valueOf(Math.round(value)), userDefinedId);
+    public DirectionalFeederInfo(String componentType, double value, int precision, String userDefinedId) {
+        this(componentType,
+                value > 0 ? DiagramLabelProvider.LabelDirection.OUT : DiagramLabelProvider.LabelDirection.IN,
+                null,
+                precision == 0 || Double.isNaN(value) ? String.valueOf(Math.round(value)) : String.valueOf(Precision.round(value, precision)),
+                userDefinedId);
     }
 
     public DiagramLabelProvider.LabelDirection getDirection() {
diff --git a/single-line-diagram-core/src/test/java/com/powsybl/sld/iidm/TestCase14UpToNFeederInfos.java b/single-line-diagram-core/src/test/java/com/powsybl/sld/iidm/TestCase14UpToNFeederInfos.java
index 7f1fe6bb6..fc1ddef2f 100644
--- a/single-line-diagram-core/src/test/java/com/powsybl/sld/iidm/TestCase14UpToNFeederInfos.java
+++ b/single-line-diagram-core/src/test/java/com/powsybl/sld/iidm/TestCase14UpToNFeederInfos.java
@@ -64,10 +64,10 @@ public void setUp() {
             @Override
             public List<FeederInfo> getFeederInfos(FeederNode node) {
                 List<FeederInfo> feederInfos = Arrays.asList(
-                        new DirectionalFeederInfo(ARROW_ACTIVE, LabelDirection.OUT, null, "10"),
-                        new DirectionalFeederInfo(ARROW_REACTIVE, LabelDirection.IN, null, "20", null),
+                        new DirectionalFeederInfo(ARROW_ACTIVE, 10.967543, 3, null),
+                        new DirectionalFeederInfo(ARROW_REACTIVE, Double.NaN, 0, null),
                         new DirectionalFeederInfo(ARROW_REACTIVE, LabelDirection.IN, null, "30", null),
-                        new DirectionalFeederInfo(ARROW_ACTIVE, LabelDirection.OUT, null, "40", null),
+                        new DirectionalFeederInfo(ARROW_ACTIVE, LabelDirection.OUT, null, "40", null), // Not displayed
                         new DirectionalFeederInfo(ARROW_ACTIVE, LabelDirection.OUT, null, "50", null));
                 boolean feederArrowSymmetry = node.getDirection() == Direction.TOP || layoutParameters.isFeederInfoSymmetry();
                 if (!feederArrowSymmetry) {
diff --git a/single-line-diagram-core/src/test/resources/TestCase14UpToNFeederInfos.svg b/single-line-diagram-core/src/test/resources/TestCase14UpToNFeederInfos.svg
index 40d6c71ed..d0904f4ca 100644
--- a/single-line-diagram-core/src/test/resources/TestCase14UpToNFeederInfos.svg
+++ b/single-line-diagram-core/src/test/resources/TestCase14UpToNFeederInfos.svg
@@ -100,12 +100,12 @@
             <g class="sld-arrow-p sld-out" id="idl_ARROW_ACTIVE" transform="translate(60.0,99.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">10</text>
+                <text class="sld-label" x="15.0" y="5.0">10.968</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idl_ARROW_REACTIVE" transform="translate(60.0,114.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">20</text>
+                <text class="sld-label" x="15.0" y="5.0">0</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idl_ARROW_REACTIVE" transform="translate(60.0,129.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>

From 56d011bede9c0df5051757cde4c51a53d2d0be29 Mon Sep 17 00:00:00 2001
From: Thomas ADAM <tadam@silicom.fr>
Date: Mon, 16 May 2022 15:32:20 +0200
Subject: [PATCH 2/4] Use DecimalFormat instead of Precision

Signed-off-by: Thomas ADAM <tadam@silicom.fr>
---
 .../sld/svg/DirectionalFeederInfo.java        |  12 +-
 .../resources/InternalBranchesBusBreaker.svg  |  48 ++++----
 .../resources/InternalBranchesNodeBreaker.svg |  36 +++---
 .../NodeDecoratorsBranchStatusBusBreaker.svg  |  48 ++++----
 .../NodeDecoratorsBranchStatusNodeBreaker.svg |  40 +++----
 .../test/resources/NodeDecoratorsSwitches.svg |  36 +++---
 .../TestCase11SubstationGraphHFirst.svg       | 108 +++++++++---------
 .../TestCase11SubstationGraphHLast.svg        | 108 +++++++++---------
 .../TestCase11SubstationGraphHMiddle.svg      | 108 +++++++++---------
 .../TestCase11SubstationGraphHNone.svg        | 108 +++++++++---------
 ...ase12GraphWithNodesInfosNominalVoltage.svg |  60 +++++-----
 ...stCase12GraphWithNodesInfosTopological.svg |  60 +++++-----
 .../resources/TestCase14UpToNFeederInfos.svg  |   2 +-
 .../TestCase15GraphWithVoltageIndicator.svg   |  16 +--
 ...15GraphWithVoltageIndicatorTopological.svg |  16 +--
 ...TestCase15GraphWithoutVoltageIndicator.svg |  16 +--
 .../test/resources/TestCaseFictitiousBus.svg  |  12 +-
 .../TestCaseFictitiousBusTopological.svg      |  12 +-
 .../test/resources/TestSldClassSubstation.svg |  16 +--
 .../src/test/resources/TestSldClassVl.svg     |   8 +-
 .../src/test/resources/consecutive_shunts.svg |   8 +-
 .../src/test/resources/feederInfoTest.svg     |   4 +-
 .../topological_style_substation.svg          |  24 ++--
 23 files changed, 458 insertions(+), 448 deletions(-)

diff --git a/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java b/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java
index da5bd090b..cfb3c1b7b 100644
--- a/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java
+++ b/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java
@@ -2,6 +2,9 @@
 
 import org.apache.commons.math3.util.Precision;
 
+import java.text.DecimalFormat;
+import java.text.DecimalFormatSymbols;
+import java.util.Locale;
 import java.util.Objects;
 
 /**
@@ -35,10 +38,17 @@ public DirectionalFeederInfo(String componentType, double value, int precision,
         this(componentType,
                 value > 0 ? DiagramLabelProvider.LabelDirection.OUT : DiagramLabelProvider.LabelDirection.IN,
                 null,
-                precision == 0 || Double.isNaN(value) ? String.valueOf(Math.round(value)) : String.valueOf(Precision.round(value, precision)),
+                format(value, precision),
                 userDefinedId);
     }
 
+    private static String format(double value, int precision) {
+        // build pattern
+        String pattern = precision == 0 ? "#;#" : "#.0" + "#".repeat(precision - 1);
+        String formattedValue = new DecimalFormat(pattern, DecimalFormatSymbols.getInstance(Locale.ENGLISH)).format(value);
+        return formattedValue.replaceAll("^-(?=0(\\.0*)?$)", ""); // Avoid negative zero
+    }
+
     public DiagramLabelProvider.LabelDirection getDirection() {
         return arrowDirection;
     }
diff --git a/single-line-diagram-core/src/test/resources/InternalBranchesBusBreaker.svg b/single-line-diagram-core/src/test/resources/InternalBranchesBusBreaker.svg
index 09fdae14e..fcc9888f2 100644
--- a/single-line-diagram-core/src/test/resources/InternalBranchesBusBreaker.svg
+++ b/single-line-diagram-core/src/test/resources/InternalBranchesBusBreaker.svg
@@ -158,12 +158,12 @@
             <g class="sld-arrow-p sld-in" id="idLD1_ARROW_ACTIVE" transform="translate(160.0,99.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idLD1_ARROW_REACTIVE" transform="translate(160.0,119.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl300to500" id="idBUSCO_95_LD1" transform="translate(161.0,356.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -191,12 +191,12 @@
             <g class="sld-arrow-q sld-in" id="idL11_95_ONE_ARROW_REACTIVE" transform="translate(210.0,640.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idL11_95_ONE_ARROW_ACTIVE" transform="translate(210.0,620.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl300to500" id="idBUSCO_95_L11_95_ONE" transform="translate(211.0,356.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -224,12 +224,12 @@
             <g class="sld-arrow-p sld-in" id="idT11_95_ONE_ARROW_ACTIVE" transform="translate(260.0,95.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idT11_95_ONE_ARROW_REACTIVE" transform="translate(260.0,115.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl300to500" id="idBUSCO_95_T11_95_ONE" transform="translate(261.0,356.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -257,12 +257,12 @@
             <g class="sld-arrow-q sld-in" id="idL12_95_ONE_ARROW_REACTIVE" transform="translate(310.0,640.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idL12_95_ONE_ARROW_ACTIVE" transform="translate(310.0,620.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl300to500" id="idBUSCO_95_L12_95_ONE" transform="translate(311.0,356.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -290,12 +290,12 @@
             <g class="sld-arrow-q sld-in" id="idT3_95_12_95_TWO_ARROW_REACTIVE" transform="translate(360.0,640.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idT3_95_12_95_TWO_ARROW_ACTIVE" transform="translate(360.0,620.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-wire sld-vl300to500" id="_95_VL1_95_T3_95_12_95_THREE_95_T3_95_12">
                 <polyline points="415.0,665.0,415.0,603.0,397.0,603.0"/>
@@ -303,12 +303,12 @@
             <g class="sld-arrow-q sld-in" id="idT3_95_12_95_THREE_ARROW_REACTIVE" transform="translate(410.0,640.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idT3_95_12_95_THREE_ARROW_ACTIVE" transform="translate(410.0,620.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl300to500" id="idBUSCO_95_T3_95_12" transform="translate(386.0,356.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -344,12 +344,12 @@
             <g class="sld-arrow-p sld-in" id="idG_ARROW_ACTIVE" transform="translate(460.0,101.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idG_ARROW_REACTIVE" transform="translate(460.0,121.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl300to500" id="idBUSCO_95_G" transform="translate(461.0,381.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -377,12 +377,12 @@
             <g class="sld-arrow-q sld-in" id="idL11_95_TWO_ARROW_REACTIVE" transform="translate(510.0,640.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idL11_95_TWO_ARROW_ACTIVE" transform="translate(510.0,620.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl300to500" id="idBUSCO_95_L11_95_TWO" transform="translate(511.0,381.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -410,12 +410,12 @@
             <g class="sld-arrow-p sld-in" id="idT11_95_TWO_ARROW_ACTIVE" transform="translate(560.0,95.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idT11_95_TWO_ARROW_REACTIVE" transform="translate(560.0,115.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl300to500" id="idBUSCO_95_T11_95_TWO" transform="translate(561.0,381.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -445,12 +445,12 @@
             <g class="sld-arrow-q sld-in" id="idT12_95_ONE_ARROW_REACTIVE" transform="translate(610.0,632.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idT12_95_ONE_ARROW_ACTIVE" transform="translate(610.0,612.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl300to500" id="idBUSCO_95_T12_95_ONE" transform="translate(611.0,381.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -478,12 +478,12 @@
             <g class="sld-arrow-q sld-in" id="idT3_95_12_95_ONE_ARROW_REACTIVE" transform="translate(660.0,640.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idT3_95_12_95_ONE_ARROW_ACTIVE" transform="translate(660.0,620.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-wire sld-vl300to500" id="_95_VL1_95_T3_95_12_95_THREE_95_T3_95_12">
                 <polyline points="715.0,665.0,715.0,603.0,697.0,603.0"/>
@@ -491,12 +491,12 @@
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diff --git a/single-line-diagram-core/src/test/resources/InternalBranchesNodeBreaker.svg b/single-line-diagram-core/src/test/resources/InternalBranchesNodeBreaker.svg
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diff --git a/single-line-diagram-core/src/test/resources/NodeDecoratorsBranchStatusBusBreaker.svg b/single-line-diagram-core/src/test/resources/NodeDecoratorsBranchStatusBusBreaker.svg
index cd2f6f10c..3d8cdef2c 100644
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diff --git a/single-line-diagram-core/src/test/resources/NodeDecoratorsSwitches.svg b/single-line-diagram-core/src/test/resources/NodeDecoratorsSwitches.svg
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index 00f7364e3..5d1015449 100644
--- a/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHFirst.svg
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diff --git a/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHLast.svg b/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHLast.svg
index 475150ce5..4cc2c499c 100644
--- a/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHLast.svg
+++ b/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHLast.svg
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             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-0" id="iddline11_95_2" transform="translate(411.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -512,12 +512,12 @@
             <g class="sld-arrow-p sld-in" id="idload2_ARROW_ACTIVE" transform="translate(510.0,279.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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             <g class="sld-arrow-q sld-in" id="idload2_ARROW_REACTIVE" transform="translate(510.0,299.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-0" id="iddload2" transform="translate(511.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -553,12 +553,12 @@
             <g class="sld-arrow-p sld-in" id="idtrf2_95_ONE_ARROW_ACTIVE" transform="translate(660.0,275.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-0" id="iddtrf12" transform="translate(661.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -594,12 +594,12 @@
             <g class="sld-arrow-p sld-in" id="idtrf8_95_ONE_ARROW_ACTIVE" transform="translate(560.0,275.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-0" id="iddtrf18" transform="translate(561.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -638,12 +638,12 @@
             <g class="sld-arrow-q sld-in" id="idgen1_ARROW_REACTIVE" transform="translate(160.0,598.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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             <g class="sld-arrow-p sld-in" id="idgen1_ARROW_ACTIVE" transform="translate(160.0,578.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-1" id="iddgen1" transform="translate(161.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -679,12 +679,12 @@
             <g class="sld-arrow-q sld-in" id="idtrf3_95_ONE_ARROW_REACTIVE" transform="translate(210.0,604.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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             <g class="sld-arrow-p sld-in" id="idtrf3_95_ONE_ARROW_ACTIVE" transform="translate(210.0,584.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-1" id="iddtrf13" transform="translate(211.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -720,12 +720,12 @@
             <g class="sld-arrow-q sld-in" id="idtrf7_95_ONE_ARROW_REACTIVE" transform="translate(360.0,604.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idtrf7_95_ONE_ARROW_ACTIVE" transform="translate(360.0,584.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-1" id="iddtrf17" transform="translate(361.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -764,12 +764,12 @@
             <g class="sld-arrow-q sld-in" id="idgen2_ARROW_REACTIVE" transform="translate(710.0,598.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idgen2_ARROW_ACTIVE" transform="translate(710.0,578.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-1" id="iddgen2" transform="translate(711.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -805,12 +805,12 @@
             <g class="sld-arrow-q sld-in" id="idtrf4_95_ONE_ARROW_REACTIVE" transform="translate(610.0,604.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idtrf4_95_ONE_ARROW_ACTIVE" transform="translate(610.0,584.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-1" id="iddtrf14" transform="translate(611.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -892,12 +892,12 @@
             <g class="sld-arrow-p sld-in" id="idload3_ARROW_ACTIVE" transform="translate(990.0,279.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idload3_ARROW_REACTIVE" transform="translate(990.0,299.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddload3" transform="translate(991.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -933,12 +933,12 @@
             <g class="sld-arrow-p sld-in" id="idtrf1_95_TWO_ARROW_ACTIVE" transform="translate(1040.0,275.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idtrf1_95_TWO_ARROW_REACTIVE" transform="translate(1040.0,295.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf21" transform="translate(1041.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -974,12 +974,12 @@
             <g class="sld-arrow-p sld-in" id="idtrf4_95_TWO_ARROW_ACTIVE" transform="translate(1140.0,275.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idtrf4_95_TWO_ARROW_REACTIVE" transform="translate(1140.0,295.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf24" transform="translate(1141.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1015,12 +1015,12 @@
             <g class="sld-arrow-p sld-in" id="idtrf7_95_TWO_ARROW_ACTIVE" transform="translate(1190.0,275.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idtrf7_95_TWO_ARROW_REACTIVE" transform="translate(1190.0,295.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf27" transform="translate(1191.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1059,12 +1059,12 @@
             <g class="sld-arrow-q sld-in" id="idgen4_ARROW_REACTIVE" transform="translate(1090.0,598.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idgen4_ARROW_ACTIVE" transform="translate(1090.0,578.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddgen4" transform="translate(1091.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1100,12 +1100,12 @@
             <g class="sld-arrow-q sld-in" id="idtrf2_95_TWO_ARROW_REACTIVE" transform="translate(1340.0,604.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idtrf2_95_TWO_ARROW_ACTIVE" transform="translate(1340.0,584.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf22" transform="translate(1341.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1141,12 +1141,12 @@
             <g class="sld-arrow-q sld-in" id="idtrf3_95_TWO_ARROW_REACTIVE" transform="translate(1390.0,604.0)">
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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             <g class="sld-arrow-p sld-in" id="idtrf3_95_TWO_ARROW_ACTIVE" transform="translate(1390.0,584.0)">
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf23" transform="translate(1391.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1182,12 +1182,12 @@
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idtrf6_95_TWO_ARROW_REACTIVE" transform="translate(1240.0,295.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf26" transform="translate(1241.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1223,12 +1223,12 @@
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf28" transform="translate(1291.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1274,12 +1274,12 @@
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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diff --git a/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHMiddle.svg b/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHMiddle.svg
index 80a92b234..8e04b4d75 100644
--- a/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHMiddle.svg
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@@ -1315,12 +1315,12 @@
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diff --git a/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHNone.svg b/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHNone.svg
index 00f7364e3..5d1015449 100644
--- a/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHNone.svg
+++ b/single-line-diagram-core/src/test/resources/TestCase11SubstationGraphHNone.svg
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@@ -468,12 +468,12 @@
             <g class="sld-arrow-p sld-in" id="idline1_95_ONE_ARROW_ACTIVE" transform="translate(410.0,275.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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             <g class="sld-arrow-q sld-in" id="idline1_95_ONE_ARROW_REACTIVE" transform="translate(410.0,295.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-0" id="iddline11_95_2" transform="translate(411.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -512,12 +512,12 @@
             <g class="sld-arrow-p sld-in" id="idload2_ARROW_ACTIVE" transform="translate(510.0,279.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-0" id="iddload2" transform="translate(511.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -553,12 +553,12 @@
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-0" id="iddtrf12" transform="translate(661.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -594,12 +594,12 @@
             <g class="sld-arrow-p sld-in" id="idtrf8_95_ONE_ARROW_ACTIVE" transform="translate(560.0,275.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-0" id="iddtrf18" transform="translate(561.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -638,12 +638,12 @@
             <g class="sld-arrow-q sld-in" id="idgen1_ARROW_REACTIVE" transform="translate(160.0,598.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-1" id="iddgen1" transform="translate(161.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -679,12 +679,12 @@
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-1" id="iddtrf13" transform="translate(211.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -720,12 +720,12 @@
             <g class="sld-arrow-q sld-in" id="idtrf7_95_ONE_ARROW_REACTIVE" transform="translate(360.0,604.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
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                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-1" id="iddtrf17" transform="translate(361.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -764,12 +764,12 @@
             <g class="sld-arrow-q sld-in" id="idgen2_ARROW_REACTIVE" transform="translate(710.0,598.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idgen2_ARROW_ACTIVE" transform="translate(710.0,578.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-1" id="iddgen2" transform="translate(711.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -805,12 +805,12 @@
             <g class="sld-arrow-q sld-in" id="idtrf4_95_ONE_ARROW_REACTIVE" transform="translate(610.0,604.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-1" id="iddtrf14" transform="translate(611.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -892,12 +892,12 @@
             <g class="sld-arrow-p sld-in" id="idload3_ARROW_ACTIVE" transform="translate(990.0,279.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idload3_ARROW_REACTIVE" transform="translate(990.0,299.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddload3" transform="translate(991.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -933,12 +933,12 @@
             <g class="sld-arrow-p sld-in" id="idtrf1_95_TWO_ARROW_ACTIVE" transform="translate(1040.0,275.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
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                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf21" transform="translate(1041.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -974,12 +974,12 @@
             <g class="sld-arrow-p sld-in" id="idtrf4_95_TWO_ARROW_ACTIVE" transform="translate(1140.0,275.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idtrf4_95_TWO_ARROW_REACTIVE" transform="translate(1140.0,295.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf24" transform="translate(1141.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1015,12 +1015,12 @@
             <g class="sld-arrow-p sld-in" id="idtrf7_95_TWO_ARROW_ACTIVE" transform="translate(1190.0,275.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf27" transform="translate(1191.0,428.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1059,12 +1059,12 @@
             <g class="sld-arrow-q sld-in" id="idgen4_ARROW_REACTIVE" transform="translate(1090.0,598.0)">
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddgen4" transform="translate(1091.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1100,12 +1100,12 @@
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf22" transform="translate(1341.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1141,12 +1141,12 @@
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf23" transform="translate(1391.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1182,12 +1182,12 @@
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                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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             <g class="sld-arrow-q sld-in" id="idtrf6_95_TWO_ARROW_REACTIVE" transform="translate(1240.0,295.0)">
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl180to300-0" id="iddtrf26" transform="translate(1241.0,453.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -1223,12 +1223,12 @@
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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diff --git a/single-line-diagram-core/src/test/resources/TestCase12GraphWithNodesInfosNominalVoltage.svg b/single-line-diagram-core/src/test/resources/TestCase12GraphWithNodesInfosNominalVoltage.svg
index fcd712cbd..07757b399 100644
--- a/single-line-diagram-core/src/test/resources/TestCase12GraphWithNodesInfosNominalVoltage.svg
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@@ -686,12 +686,12 @@
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+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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@@ -729,12 +729,12 @@
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+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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diff --git a/single-line-diagram-core/src/test/resources/TestCase12GraphWithNodesInfosTopological.svg b/single-line-diagram-core/src/test/resources/TestCase12GraphWithNodesInfosTopological.svg
index c369fd45f..1ec8b3e76 100644
--- a/single-line-diagram-core/src/test/resources/TestCase12GraphWithNodesInfosTopological.svg
+++ b/single-line-diagram-core/src/test/resources/TestCase12GraphWithNodesInfosTopological.svg
@@ -269,12 +269,12 @@
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@@ -312,12 +312,12 @@
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@@ -355,12 +355,12 @@
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@@ -396,12 +396,12 @@
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@@ -458,12 +458,12 @@
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@@ -542,12 +542,12 @@
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@@ -604,12 +604,12 @@
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+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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@@ -647,12 +647,12 @@
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@@ -688,12 +688,12 @@
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+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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@@ -750,12 +750,12 @@
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+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
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@@ -793,12 +793,12 @@
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index d0904f4ca..95c43979a 100644
--- a/single-line-diagram-core/src/test/resources/TestCase14UpToNFeederInfos.svg
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diff --git a/single-line-diagram-core/src/test/resources/TestCase15GraphWithVoltageIndicator.svg b/single-line-diagram-core/src/test/resources/TestCase15GraphWithVoltageIndicator.svg
index 8028d7097..643bea1ba 100644
--- a/single-line-diagram-core/src/test/resources/TestCase15GraphWithVoltageIndicator.svg
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diff --git a/single-line-diagram-core/src/test/resources/TestCase15GraphWithVoltageIndicatorTopological.svg b/single-line-diagram-core/src/test/resources/TestCase15GraphWithVoltageIndicatorTopological.svg
index 31e477daa..a98182b71 100644
--- a/single-line-diagram-core/src/test/resources/TestCase15GraphWithVoltageIndicatorTopological.svg
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diff --git a/single-line-diagram-core/src/test/resources/TestCase15GraphWithoutVoltageIndicator.svg b/single-line-diagram-core/src/test/resources/TestCase15GraphWithoutVoltageIndicator.svg
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--- a/single-line-diagram-core/src/test/resources/TestCase15GraphWithoutVoltageIndicator.svg
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diff --git a/single-line-diagram-core/src/test/resources/TestCaseFictitiousBus.svg b/single-line-diagram-core/src/test/resources/TestCaseFictitiousBus.svg
index f598d4f9b..00a927b16 100644
--- a/single-line-diagram-core/src/test/resources/TestCaseFictitiousBus.svg
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diff --git a/single-line-diagram-core/src/test/resources/TestCaseFictitiousBusTopological.svg b/single-line-diagram-core/src/test/resources/TestCaseFictitiousBusTopological.svg
index 07b057794..117b49502 100644
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-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl50to70-0" id="idBUSCO_95_L2_95_ONE" transform="translate(111.0,356.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -239,12 +239,12 @@
             <g class="sld-arrow-p sld-in" id="idL3_95_ONE_ARROW_ACTIVE" transform="translate(160.0,95.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idL3_95_ONE_ARROW_REACTIVE" transform="translate(160.0,115.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl50to70-0" id="idBUSCO_95_L3_95_ONE" transform="translate(161.0,356.0)">
                 <circle cx="4" cy="4" r="2"/>
diff --git a/single-line-diagram-core/src/test/resources/TestSldClassSubstation.svg b/single-line-diagram-core/src/test/resources/TestSldClassSubstation.svg
index 7bc8fe387..5ae2d2ca4 100644
--- a/single-line-diagram-core/src/test/resources/TestSldClassSubstation.svg
+++ b/single-line-diagram-core/src/test/resources/TestSldClassSubstation.svg
@@ -171,12 +171,12 @@
             <g class="sld-arrow-p sld-in" id="idl_ARROW_ACTIVE" transform="translate(110.0,99.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idl_ARROW_REACTIVE" transform="translate(110.0,119.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-vl300to500-0" id="idd1" transform="translate(111.0,248.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -212,12 +212,12 @@
             <g class="sld-arrow-q sld-in" id="idtrf_95_ONE_ARROW_REACTIVE" transform="translate(60.0,399.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idtrf_95_ONE_ARROW_ACTIVE" transform="translate(60.0,379.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-vl300to500-0" id="idd2" transform="translate(61.0,248.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -263,12 +263,12 @@
             <g class="sld-arrow-q sld-in" id="idg_ARROW_REACTIVE" transform="translate(200.0,393.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idg_ARROW_ACTIVE" transform="translate(200.0,373.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-vl180to300-0" id="idd3" transform="translate(201.0,248.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -304,12 +304,12 @@
             <g class="sld-arrow-p sld-in" id="idtrf_95_TWO_ARROW_ACTIVE" transform="translate(250.0,95.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idtrf_95_TWO_ARROW_REACTIVE" transform="translate(250.0,115.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-vl180to300-0" id="idd4" transform="translate(251.0,248.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
diff --git a/single-line-diagram-core/src/test/resources/TestSldClassVl.svg b/single-line-diagram-core/src/test/resources/TestSldClassVl.svg
index fdacc8814..68bb1b1ea 100644
--- a/single-line-diagram-core/src/test/resources/TestSldClassVl.svg
+++ b/single-line-diagram-core/src/test/resources/TestSldClassVl.svg
@@ -168,12 +168,12 @@
             <g class="sld-arrow-p sld-in" id="idl_ARROW_ACTIVE" transform="translate(110.0,99.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idl_ARROW_REACTIVE" transform="translate(110.0,119.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-vl300to500-0" id="idd1" transform="translate(111.0,248.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -211,12 +211,12 @@
             <g class="sld-arrow-q sld-in" id="idtrf_95_ONE_ARROW_REACTIVE" transform="translate(60.0,391.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idtrf_95_ONE_ARROW_ACTIVE" transform="translate(60.0,371.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-vl300to500-0" id="idd2" transform="translate(61.0,248.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
diff --git a/single-line-diagram-core/src/test/resources/consecutive_shunts.svg b/single-line-diagram-core/src/test/resources/consecutive_shunts.svg
index fb58b4940..2aad4bbae 100644
--- a/single-line-diagram-core/src/test/resources/consecutive_shunts.svg
+++ b/single-line-diagram-core/src/test/resources/consecutive_shunts.svg
@@ -690,7 +690,7 @@
             <g class="sld-arrow-q sld-in" id="idFT_95_ONE_ARROW_REACTIVE" transform="translate(160.0,607.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idFT_95_ONE_ARROW_ACTIVE" transform="translate(160.0,587.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
@@ -1130,7 +1130,7 @@
             <g class="sld-arrow-q sld-in" id="idFX_95_ONE_ARROW_REACTIVE" transform="translate(510.0,607.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10" transform="rotate(180.0,5.0,5.0)"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-p sld-in" id="idFX_95_ONE_ARROW_ACTIVE" transform="translate(510.0,587.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10" transform="rotate(180.0,5.0,5.0)"/>
@@ -1173,7 +1173,7 @@
             <g class="sld-arrow-q sld-in" id="idFV_95_ONE_ARROW_REACTIVE" transform="translate(910.0,123.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl70to120-1" id="idBUSCO_95_EF" transform="translate(911.0,274.0)">
                 <circle cx="4" cy="4" r="2"/>
@@ -1253,7 +1253,7 @@
             <g class="sld-arrow-q sld-in" id="idFR_95_ONE_ARROW_REACTIVE" transform="translate(660.0,123.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious sld-vl70to120-1" id="idBUSCO_95_FR_95_ONE" transform="translate(661.0,249.0)">
                 <circle cx="4" cy="4" r="2"/>
diff --git a/single-line-diagram-core/src/test/resources/feederInfoTest.svg b/single-line-diagram-core/src/test/resources/feederInfoTest.svg
index 94564dfb9..509db66b3 100644
--- a/single-line-diagram-core/src/test/resources/feederInfoTest.svg
+++ b/single-line-diagram-core/src/test/resources/feederInfoTest.svg
@@ -174,12 +174,12 @@
             <g class="sld-arrow-p sld-in" id="idC1_ARROW_ACTIVE" transform="translate(60.0,101.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idC1_ARROW_REACTIVE" transform="translate(60.0,121.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-bus-connection sld-fictitious" id="idBUSCO_95_b2" transform="translate(61.0,356.0)">
                 <circle cx="4" cy="4" r="2"/>
diff --git a/single-line-diagram-core/src/test/resources/topological_style_substation.svg b/single-line-diagram-core/src/test/resources/topological_style_substation.svg
index 3682dd1fb..7b35c8e55 100644
--- a/single-line-diagram-core/src/test/resources/topological_style_substation.svg
+++ b/single-line-diagram-core/src/test/resources/topological_style_substation.svg
@@ -204,12 +204,12 @@
             <g class="sld-arrow-p sld-in" id="idl_ARROW_ACTIVE" transform="translate(60.0,129.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idl_ARROW_REACTIVE" transform="translate(60.0,149.5)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-vl300to500-0" id="idd" transform="translate(61.0,386.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -245,12 +245,12 @@
             <g class="sld-arrow-p sld-in" id="id2WT_95_ONE_ARROW_ACTIVE" transform="translate(110.0,125.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="id2WT_95_ONE_ARROW_REACTIVE" transform="translate(110.0,145.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-0" id="idd2WT_95_1" transform="translate(111.0,386.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -286,12 +286,12 @@
             <g class="sld-arrow-p sld-in" id="id3WT_95_ONE_ARROW_ACTIVE" transform="translate(160.0,125.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="id3WT_95_ONE_ARROW_REACTIVE" transform="translate(160.0,145.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl300to500-0" id="idd3WT_95_1" transform="translate(161.0,386.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -334,12 +334,12 @@
             <g class="sld-arrow-p sld-in" id="id2WT_95_TWO_ARROW_ACTIVE" transform="translate(250.0,125.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="id2WT_95_TWO_ARROW_REACTIVE" transform="translate(250.0,145.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-disconnected" id="idd2WT_95_2" transform="translate(251.0,386.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -375,12 +375,12 @@
             <g class="sld-arrow-p sld-in" id="id3WT_95_TWO_ARROW_ACTIVE" transform="translate(300.0,125.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="id3WT_95_TWO_ARROW_REACTIVE" transform="translate(300.0,145.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-disconnected" id="idd3WT_95_2" transform="translate(301.0,386.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>
@@ -423,12 +423,12 @@
             <g class="sld-arrow-p sld-in" id="id3WT_95_THREE_ARROW_ACTIVE" transform="translate(390.0,125.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-arrow-q sld-in" id="id3WT_95_THREE_ARROW_REACTIVE" transform="translate(390.0,145.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">NaN</text>
             </g>
             <g class="sld-disconnector sld-closed sld-fictitious sld-vl50to70-0" id="idd3WT_95_3" transform="translate(391.0,386.0)">
                 <path class="sld-sw-closed" d="M0,0 8,8 M8,0 0,8"/>

From 0eeed137fb16ed9f1a126fc267771cbec42bd4d5 Mon Sep 17 00:00:00 2001
From: Thomas ADAM <tadam@silicom.fr>
Date: Mon, 16 May 2022 16:24:09 +0200
Subject: [PATCH 3/4] Add FeederInfoPrecision into LayoutParameters

Signed-off-by: Thomas ADAM <tadam@silicom.fr>
---
 .../com/powsybl/sld/layout/LayoutParameters.java | 16 +++++++++++++++-
 .../sld/svg/DefaultDiagramLabelProvider.java     | 12 ++++++------
 .../sld/iidm/TestCase14UpToNFeederInfos.java     |  7 ++++---
 .../powsybl/sld/layout/LayoutParametersTest.java |  4 +++-
 .../TestSldClassSubstationMetadata.json          |  3 ++-
 .../test/resources/TestSldClassVlMetadata.json   |  3 ++-
 .../src/test/resources/substDiag_metadata.json   |  3 ++-
 .../src/test/resources/vlDiag_metadata.json      |  3 ++-
 8 files changed, 36 insertions(+), 15 deletions(-)

diff --git a/single-line-diagram-core/src/main/java/com/powsybl/sld/layout/LayoutParameters.java b/single-line-diagram-core/src/main/java/com/powsybl/sld/layout/LayoutParameters.java
index 705c4631e..44147a1fa 100644
--- a/single-line-diagram-core/src/main/java/com/powsybl/sld/layout/LayoutParameters.java
+++ b/single-line-diagram-core/src/main/java/com/powsybl/sld/layout/LayoutParameters.java
@@ -86,6 +86,8 @@ public class LayoutParameters {
      */
     private double busInfoMargin = 0.0;
 
+    private int feederInfoPrecision = 0;
+
     @JsonIgnore
     private Map<String, ComponentSize> componentsSize;
 
@@ -128,7 +130,8 @@ public LayoutParameters(@JsonProperty("voltageLevelPadding") Padding voltageLeve
                             @JsonProperty("useName") boolean useName,
                             @JsonProperty("feederInfosIntraMargin") double feederInfosIntraMargin,
                             @JsonProperty("busInfoMargin") double busInfoMargin,
-                            @JsonProperty("busbarsAlignment") Alignment busbarsAlignment) {
+                            @JsonProperty("busbarsAlignment") Alignment busbarsAlignment,
+                            @JsonProperty("feederInfoPrecision") int feederInfoPrecision) {
         this.diagramPadding = diagramPadding;
         this.voltageLevelPadding = voltageLevelPadding;
         this.verticalSpaceBus = verticalSpaceBus;
@@ -164,6 +167,7 @@ public LayoutParameters(@JsonProperty("voltageLevelPadding") Padding voltageLeve
         this.feederInfosIntraMargin = feederInfosIntraMargin;
         this.busInfoMargin = busInfoMargin;
         this.busbarsAlignment = busbarsAlignment;
+        this.feederInfoPrecision = feederInfoPrecision;
     }
 
     public LayoutParameters(LayoutParameters other) {
@@ -204,6 +208,7 @@ public LayoutParameters(LayoutParameters other) {
         feederInfosIntraMargin = other.feederInfosIntraMargin;
         busInfoMargin = other.busInfoMargin;
         busbarsAlignment = other.busbarsAlignment;
+        feederInfoPrecision = other.feederInfoPrecision;
     }
 
     public double getVerticalSpaceBus() {
@@ -534,6 +539,15 @@ public LayoutParameters setBusbarsAlignment(Alignment busbarsAlignment) {
         return this;
     }
 
+    public int getFeederInfoPrecision() {
+        return feederInfoPrecision;
+    }
+
+    public LayoutParameters setFeederInfoPrecision(int feederInfoPrecision) {
+        this.feederInfoPrecision = feederInfoPrecision;
+        return this;
+    }
+
     public enum Alignment {
         FIRST, LAST, MIDDLE, NONE;
     }
diff --git a/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DefaultDiagramLabelProvider.java b/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DefaultDiagramLabelProvider.java
index 8099ccbd7..c29f1c3ce 100644
--- a/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DefaultDiagramLabelProvider.java
+++ b/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DefaultDiagramLabelProvider.java
@@ -243,19 +243,19 @@ private LabelPosition getBusLabelPosition() {
 
     private List<FeederInfo> buildFeederInfos(ThreeWindingsTransformer transformer, ThreeWindingsTransformer.Side side) {
         return Arrays.asList(
-                new DirectionalFeederInfo(ARROW_ACTIVE, transformer.getTerminal(side).getP()),
-                new DirectionalFeederInfo(ARROW_REACTIVE, transformer.getTerminal(side).getQ()));
+                new DirectionalFeederInfo(ARROW_ACTIVE, transformer.getTerminal(side).getP(), layoutParameters.getFeederInfoPrecision()),
+                new DirectionalFeederInfo(ARROW_REACTIVE, transformer.getTerminal(side).getQ(), layoutParameters.getFeederInfoPrecision()));
     }
 
     private List<FeederInfo> buildFeederInfos(Injection injection) {
         return Arrays.asList(
-                new DirectionalFeederInfo(ARROW_ACTIVE, injection.getTerminal().getP()),
-                new DirectionalFeederInfo(ARROW_REACTIVE, injection.getTerminal().getQ()));
+                new DirectionalFeederInfo(ARROW_ACTIVE, injection.getTerminal().getP(), layoutParameters.getFeederInfoPrecision()),
+                new DirectionalFeederInfo(ARROW_REACTIVE, injection.getTerminal().getQ(), layoutParameters.getFeederInfoPrecision()));
     }
 
     private List<FeederInfo> buildFeederInfos(Branch branch, Branch.Side side) {
         return Arrays.asList(
-                new DirectionalFeederInfo(ARROW_ACTIVE, branch.getTerminal(side).getP()),
-                new DirectionalFeederInfo(ARROW_REACTIVE, branch.getTerminal(side).getQ()));
+                new DirectionalFeederInfo(ARROW_ACTIVE, branch.getTerminal(side).getP(), layoutParameters.getFeederInfoPrecision()),
+                new DirectionalFeederInfo(ARROW_REACTIVE, branch.getTerminal(side).getQ(), layoutParameters.getFeederInfoPrecision()));
     }
 }
diff --git a/single-line-diagram-core/src/test/java/com/powsybl/sld/iidm/TestCase14UpToNFeederInfos.java b/single-line-diagram-core/src/test/java/com/powsybl/sld/iidm/TestCase14UpToNFeederInfos.java
index fc1ddef2f..d7a628de2 100644
--- a/single-line-diagram-core/src/test/java/com/powsybl/sld/iidm/TestCase14UpToNFeederInfos.java
+++ b/single-line-diagram-core/src/test/java/com/powsybl/sld/iidm/TestCase14UpToNFeederInfos.java
@@ -64,8 +64,8 @@ public void setUp() {
             @Override
             public List<FeederInfo> getFeederInfos(FeederNode node) {
                 List<FeederInfo> feederInfos = Arrays.asList(
-                        new DirectionalFeederInfo(ARROW_ACTIVE, 10.967543, 3, null),
-                        new DirectionalFeederInfo(ARROW_REACTIVE, Double.NaN, 0, null),
+                        new DirectionalFeederInfo(ARROW_ACTIVE, 10.967543, layoutParameters.getFeederInfoPrecision(), null),
+                        new DirectionalFeederInfo(ARROW_REACTIVE, Double.NaN, layoutParameters.getFeederInfoPrecision(), null),
                         new DirectionalFeederInfo(ARROW_REACTIVE, LabelDirection.IN, null, "30", null),
                         new DirectionalFeederInfo(ARROW_ACTIVE, LabelDirection.OUT, null, "40", null), // Not displayed
                         new DirectionalFeederInfo(ARROW_ACTIVE, LabelDirection.OUT, null, "50", null));
@@ -89,7 +89,8 @@ public void test() {
         VoltageLevelGraph g = graphBuilder.buildVoltageLevelGraph(vl.getId());
 
         layoutParameters.setSpaceForFeederInfos(100)
-                .setFeederInfosIntraMargin(5);
+                .setFeederInfosIntraMargin(5)
+                .setFeederInfoPrecision(3);
 
         // Run layout
         voltageLevelGraphLayout(g);
diff --git a/single-line-diagram-core/src/test/java/com/powsybl/sld/layout/LayoutParametersTest.java b/single-line-diagram-core/src/test/java/com/powsybl/sld/layout/LayoutParametersTest.java
index aa0a0445f..50af7a50f 100644
--- a/single-line-diagram-core/src/test/java/com/powsybl/sld/layout/LayoutParametersTest.java
+++ b/single-line-diagram-core/src/test/java/com/powsybl/sld/layout/LayoutParametersTest.java
@@ -54,7 +54,8 @@ public void test() {
                 .setUseName(true)
                 .setFeederInfosIntraMargin(21)
                 .setBusInfoMargin(22)
-                .setBusbarsAlignment(LayoutParameters.Alignment.LAST);
+                .setBusbarsAlignment(LayoutParameters.Alignment.LAST)
+                .setFeederInfoPrecision(12);
 
         LayoutParameters layoutParameters2 = new LayoutParameters(layoutParameters);
 
@@ -99,5 +100,6 @@ public void test() {
         assertEquals(layoutParameters.getFeederInfosIntraMargin(), layoutParameters2.getFeederInfosIntraMargin(), 0);
         assertEquals(layoutParameters.getBusInfoMargin(), layoutParameters2.getBusInfoMargin(), 0);
         assertEquals(layoutParameters.getBusbarsAlignment(), layoutParameters2.getBusbarsAlignment());
+        assertEquals(layoutParameters.getFeederInfoPrecision(), layoutParameters2.getFeederInfoPrecision());
     }
 }
diff --git a/single-line-diagram-core/src/test/resources/TestSldClassSubstationMetadata.json b/single-line-diagram-core/src/test/resources/TestSldClassSubstationMetadata.json
index 02d9ae02e..c20317ab9 100644
--- a/single-line-diagram-core/src/test/resources/TestSldClassSubstationMetadata.json
+++ b/single-line-diagram-core/src/test/resources/TestSldClassSubstationMetadata.json
@@ -572,6 +572,7 @@
     "useName" : false,
     "feederInfosIntraMargin" : 10.0,
     "busInfoMargin" : 0.0,
-    "busbarsAlignment" : "FIRST"
+    "busbarsAlignment" : "FIRST",
+    "feederInfoPrecision" : 0
   }
 }
\ No newline at end of file
diff --git a/single-line-diagram-core/src/test/resources/TestSldClassVlMetadata.json b/single-line-diagram-core/src/test/resources/TestSldClassVlMetadata.json
index c0b16b3b3..062cfb0e0 100644
--- a/single-line-diagram-core/src/test/resources/TestSldClassVlMetadata.json
+++ b/single-line-diagram-core/src/test/resources/TestSldClassVlMetadata.json
@@ -335,6 +335,7 @@
     "useName" : false,
     "feederInfosIntraMargin" : 10.0,
     "busInfoMargin" : 0.0,
-    "busbarsAlignment" : "FIRST"
+    "busbarsAlignment" : "FIRST",
+    "feederInfoPrecision" : 0
   }
 }
\ No newline at end of file
diff --git a/single-line-diagram-core/src/test/resources/substDiag_metadata.json b/single-line-diagram-core/src/test/resources/substDiag_metadata.json
index f2c7e2438..58eb4ad3c 100644
--- a/single-line-diagram-core/src/test/resources/substDiag_metadata.json
+++ b/single-line-diagram-core/src/test/resources/substDiag_metadata.json
@@ -2926,6 +2926,7 @@
     "useName" : true,
     "feederInfosIntraMargin" : 10.0,
     "busInfoMargin" : 0.0,
-    "busbarsAlignment" : "FIRST"
+    "busbarsAlignment" : "FIRST",
+    "feederInfoPrecision" : 0
   }
 }
\ No newline at end of file
diff --git a/single-line-diagram-core/src/test/resources/vlDiag_metadata.json b/single-line-diagram-core/src/test/resources/vlDiag_metadata.json
index dcacd4e35..6b76257b7 100644
--- a/single-line-diagram-core/src/test/resources/vlDiag_metadata.json
+++ b/single-line-diagram-core/src/test/resources/vlDiag_metadata.json
@@ -1471,6 +1471,7 @@
     "useName" : true,
     "feederInfosIntraMargin" : 10.0,
     "busInfoMargin" : 0.0,
-    "busbarsAlignment" : "FIRST"
+    "busbarsAlignment" : "FIRST",
+    "feederInfoPrecision" : 0
   }
 }
\ No newline at end of file

From 251fbe84b9f0da95513acb5e9b4f951dbf9a85f0 Mon Sep 17 00:00:00 2001
From: Thomas ADAM <tadam@silicom.fr>
Date: Tue, 17 May 2022 14:15:41 +0200
Subject: [PATCH 4/4] Use DecomalFormat.setMaximumFractionDigits & keep
 negative zero

Signed-off-by: Thomas ADAM <tadam@silicom.fr>
---
 .../com/powsybl/sld/svg/DirectionalFeederInfo.java    | 11 +++++------
 .../src/test/resources/consecutive_shunts.svg         |  4 ++--
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java b/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java
index cfb3c1b7b..e7ad5374d 100644
--- a/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java
+++ b/single-line-diagram-core/src/main/java/com/powsybl/sld/svg/DirectionalFeederInfo.java
@@ -1,7 +1,5 @@
 package com.powsybl.sld.svg;
 
-import org.apache.commons.math3.util.Precision;
-
 import java.text.DecimalFormat;
 import java.text.DecimalFormatSymbols;
 import java.util.Locale;
@@ -43,10 +41,11 @@ public DirectionalFeederInfo(String componentType, double value, int precision,
     }
 
     private static String format(double value, int precision) {
-        // build pattern
-        String pattern = precision == 0 ? "#;#" : "#.0" + "#".repeat(precision - 1);
-        String formattedValue = new DecimalFormat(pattern, DecimalFormatSymbols.getInstance(Locale.ENGLISH)).format(value);
-        return formattedValue.replaceAll("^-(?=0(\\.0*)?$)", ""); // Avoid negative zero
+        DecimalFormat format = new DecimalFormat();
+        format.setMaximumFractionDigits(precision);
+        // Floating representation with point
+        format.setDecimalFormatSymbols(DecimalFormatSymbols.getInstance(Locale.ENGLISH));
+        return format.format(value);
     }
 
     public DiagramLabelProvider.LabelDirection getDirection() {
diff --git a/single-line-diagram-core/src/test/resources/consecutive_shunts.svg b/single-line-diagram-core/src/test/resources/consecutive_shunts.svg
index 2aad4bbae..7e31efda7 100644
--- a/single-line-diagram-core/src/test/resources/consecutive_shunts.svg
+++ b/single-line-diagram-core/src/test/resources/consecutive_shunts.svg
@@ -1168,7 +1168,7 @@
             <g class="sld-arrow-p sld-in" id="idFV_95_ONE_ARROW_ACTIVE" transform="translate(910.0,103.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">-0</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idFV_95_ONE_ARROW_REACTIVE" transform="translate(910.0,123.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
@@ -1248,7 +1248,7 @@
             <g class="sld-arrow-p sld-in" id="idFR_95_ONE_ARROW_ACTIVE" transform="translate(660.0,103.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>
                 <polygon class="sld-arrow-out" points="5,0 10,10 0,10"/>
-                <text class="sld-label" x="15.0" y="5.0">0</text>
+                <text class="sld-label" x="15.0" y="5.0">-0</text>
             </g>
             <g class="sld-arrow-q sld-in" id="idFR_95_ONE_ARROW_REACTIVE" transform="translate(660.0,123.0)">
                 <polygon class="sld-arrow-in" points="0,0 10,0 5,10"/>