diff --git a/Makefile b/Makefile
index 1de54bb..ca0066d 100644
--- a/Makefile
+++ b/Makefile
@@ -135,3 +135,17 @@ $(TARGET): $(OBJECTS)
 clean:
 	-rm -f *.o ./src/*.o ./src/*.o.tmp ./lib/libBigWig/*.o
 	-rm -f $(TARGET)
+	-rm -rf libgw
+
+
+SHARED_TARGET = libgw/libgw.so
+ifeq ($(PLATFORM),"Darwin")
+    SHARED_TARGET = libgw/libgw.dylib
+endif
+
+shared: CXXFLAGS += -fPIC
+shared: $(OBJECTS)
+	-mkdir -p libgw/include
+	-cp src/*.h libgw/include
+	-cp include/*.h libgw/include
+	$(CXX) $(OBJECTS) $(LDFLAGS) $(LDLIBS) -shared -o $(SHARED_TARGET)
diff --git a/src/plot_controls.cpp b/src/plot_controls.cpp
index 39976e4..32780a1 100644
--- a/src/plot_controls.cpp
+++ b/src/plot_controls.cpp
@@ -1816,6 +1816,7 @@ namespace Manager {
                 tracks.push_back(HGW::GwTrack());
                 try {
                     tracks.back().open(pth, true);
+                    tracks.back().variant_distance = &opts.variant_distance;
                     std::cout << termcolor::magenta << "\nTrack       " << termcolor::reset << pth << "\n";
                 } catch (...) {
                     tracks.pop_back();
diff --git a/src/plot_manager.cpp b/src/plot_manager.cpp
index 8d3ac8c..e63434f 100644
--- a/src/plot_manager.cpp
+++ b/src/plot_manager.cpp
@@ -878,7 +878,7 @@ namespace Manager {
 
             SkPaint cog_paint = opts.theme.lcBright;
             cog_paint.setAntiAlias(true);
-            cog_paint.setStrokeWidth(6);
+            cog_paint.setStrokeWidth(3 * monitorScale);
             cog_paint.setStyle(SkPaint::kStrokeAndFill_Style);
             canvas->drawCircle(15 * monitorScale, half_h - 12.5 * monitorScale, 5 * monitorScale, cog_paint);