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pCmd.py
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pCmd.py
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#(c) 2019 R. T. LGPL: part of dodo tools w.b. for FreeCAD
__title__="pypeTools functions"
import FreeCAD, FreeCADGui, Part, fCmd, pFeatures
from DraftVecUtils import rounded
objToPaint=['Pipe','Elbow','Reduct','Flange','Cap']
from math import degrees
__author__="oddtopus"
__url__="github.com/oddtopus/dodo"
__license__="LGPL 3"
X=FreeCAD.Vector(1,0,0)
Y=FreeCAD.Vector(0,1,0)
Z=FreeCAD.Vector(0,0,1)
############### AUX FUNCTIONS ######################
def readTable(fileName="Pipe_SCH-STD.csv"):
'''
readTable(fileName)
Returns the list of dictionaries read from file in ./tablez
fileName: the file name without path; default="Pipe_SCH-STD.csv"
'''
from os.path import join, dirname, abspath
import csv
f=open(join(dirname(abspath(__file__)),"tablez",fileName),'r')
reader=csv.DictReader(f,delimiter=';')
table=[]
for row in reader:
table.append(row)
f.close()
return table
def shapeReferenceAxis(obj=None, axObj=None):
# function to get the reference axis of the shape for rotateTheTubeAx()
# used in rotateTheTubeEdge() and pipeForms.rotateForm().getAxis()
'''
shapeReferenceAxis(obj, axObj)
Returns the direction of an axis axObj
according the original Shape orientation of the object obj
If arguments are None axObj is the normal to one circular edge selected
and obj is the object selected.
'''
if obj==None and axObj==None:
selex=FreeCADGui.Selection.getSelectionEx()
if len(selex)==1 and len(selex[0].SubObjects)>0:
sub=selex[0].SubObjects[0]
if sub.ShapeType=='Edge' and sub.curvatureAt(0)>0:
axObj=sub.tangentAt(0).cross(sub.normalAt(0))
obj=selex[0].Object
X=obj.Placement.Rotation.multVec(FreeCAD.Vector(1,0,0)).dot(axObj)
Y=obj.Placement.Rotation.multVec(FreeCAD.Vector(0,1,0)).dot(axObj)
Z=obj.Placement.Rotation.multVec(FreeCAD.Vector(0,0,1)).dot(axObj)
axShapeRef=FreeCAD.Vector(X,Y,Z)
return axShapeRef
def isPipe(obj):
'True if obj is a tube'
return hasattr(obj,'PType') and obj.PType=='Pipe'
def isElbow(obj):
'True if obj is an elbow'
return hasattr(obj,'PType') and obj.PType=='Elbow'
def moveToPyLi(obj,plName):
'''
Move obj to the group of pypeLine plName
'''
pl=FreeCAD.ActiveDocument.getObjectsByLabel(plName)[0]
group=FreeCAD.ActiveDocument.getObjectsByLabel(str(pl.Group))[0]
group.addObject(obj)
if hasattr(obj,'PType'):
if obj.PType in objToPaint:
obj.ViewObject.ShapeColor=pl.ViewObject.ShapeColor
elif obj.PType == 'PypeBranch':
for e in [FreeCAD.ActiveDocument.getObject(name) for name in obj.Tubes+obj.Curves]:
e.ViewObject.ShapeColor=pl.ViewObject.ShapeColor
def portsPos(o):
'''
portsPos(o)
Returns the position of Ports of the pype-object o
'''
if hasattr(o,'Ports') and hasattr(o,'Placement'): return [rounded(o.Placement.multVec(p)) for p in o.Ports]
def portsDir(o):
'''
portsDir(o)
Returns the orientation of Ports of the pype-object o
'''
dirs=list()
two_ways=['Pipe','Reduct','Flange']
if hasattr(o,'PType'):
if o.PType in two_ways:
dirs=[o.Placement.Rotation.multVec(p) for p in [FreeCAD.Vector(0,0,-1),FreeCAD.Vector(0,0,1)]]
elif hasattr(o,'Ports') and hasattr(o,'Placement'):
dirs=list()
for p in o.Ports:
if p.Length:
dirs.append(rounded(o.Placement.Rotation.multVec(p).normalize()))
else:
dirs.append(rounded(o.Placement.Rotation.multVec(FreeCAD.Vector(0,0,-1)).normalize()))
return dirs
################## COMMANDS ########################
def simpleSurfBend(path=None,profile=None):
'select the centerline and the O.D. and let it sweep'
curva=FreeCAD.activeDocument().addObject("Part::Feature","CurvaSemplice")
if path==None or profile==None:
curva.Shape=Part.makeSweepSurface(*fCmd.edges()[:2])
elif path.ShapeType==profile.ShapeType=='Edge':
curva.Shape=Part.makeSweepSurface(path,profile)
def makePipe(propList=[], pos=None, Z=None):
'''add a Pipe object
makePipe(propList,pos,Z);
propList is one optional list with 4 elements:
DN (string): nominal diameter
OD (float): outside diameter
thk (float): shell thickness
H (float): length of pipe
Default is "DN50 (SCH-STD)"
pos (vector): position of insertion; default = 0,0,0
Z (vector): orientation: default = 0,0,1
Remember: property PRating must be defined afterwards
'''
if pos==None:
pos=FreeCAD.Vector(0,0,0)
if Z==None:
Z=FreeCAD.Vector(0,0,1)
a=FreeCAD.ActiveDocument.addObject("Part::FeaturePython","Tubo")
if len(propList)==4:
pFeatures.Pipe(a,*propList)
else:
pFeatures.Pipe(a)
a.ViewObject.Proxy=0
a.Placement.Base=pos
rot=FreeCAD.Rotation(FreeCAD.Vector(0,0,1),Z)
a.Placement.Rotation=rot.multiply(a.Placement.Rotation)
return a
def doPipes(propList=['DN50',60.3,3,1000], pypeline=None):
'''
propList = [
DN (string): nominal diameter
OD (float): outside diameter
thk (float): shell thickness
H (float): length of pipe ]
pypeline = string
'''
FreeCAD.activeDocument().openTransaction('Insert pipe')
plist=list()
if len(fCmd.edges())==0: #..no edges selected
vs=[v for sx in FreeCADGui.Selection.getSelectionEx() for so in sx.SubObjects for v in so.Vertexes]
if len(vs)==0: # ...no vertexes selected
plist.append(makePipe(propList))
else: # ... one or more vertexes
for v in vs: plist.append(makePipe(propList,v.Point))
else:
selex=FreeCADGui.Selection.getSelectionEx()
for objex in selex:
o=objex.Object
if fCmd.faces(): # Face selected...
for face in fCmd.faces():
x=(face.ParameterRange[0]+face.ParameterRange[1])/2
y=(face.ParameterRange[2]+face.ParameterRange[3])/2
plist.append(makePipe(propList,face.valueAt(x,y),face.normalAt(x,y)))
FreeCAD.activeDocument().commitTransaction()
FreeCAD.activeDocument().recompute()
else:
for edge in fCmd.edges([objex]): # ...one or more edges...
if edge.curvatureAt(0)==0: # ...straight edges
pL=propList
pL[3]=edge.Length
plist.append(makePipe(pL,edge.valueAt(0),edge.tangentAt(0)))
else: # ...curved edges
pos=edge.centerOfCurvatureAt(0)
Z=edge.tangentAt(0).cross(edge.normalAt(0))
if isElbow(o):
p0,p1=[o.Placement.Rotation.multVec(p) for p in o.Ports]
if not fCmd.isParallel(Z,p0):
Z=p1
plist.append(makePipe(propList,pos,Z))
if pypeline:
for p in plist:
moveToPyLi(p,pypeline)
FreeCAD.activeDocument().commitTransaction()
FreeCAD.activeDocument().recompute()
return plist
def makeElbow(propList=[], pos=None, Z=None):
'''Adds an Elbow object
makeElbow(propList,pos,Z);
propList is one optional list with 5 elements:
DN (string): nominal diameter
OD (float): outside diameter
thk (float): shell thickness
BA (float): bend angle
BR (float): bend radius
Default is "DN50"
pos (vector): position of insertion; default = 0,0,0
Z (vector): orientation: default = 0,0,1
Remember: property PRating must be defined afterwards
'''
if pos==None:
pos=FreeCAD.Vector(0,0,0)
if Z==None:
Z=FreeCAD.Vector(0,0,1)
a=FreeCAD.ActiveDocument.addObject("Part::FeaturePython","Curva")
if len(propList)==5:
pFeatures.Elbow(a,*propList)
else:
pFeatures.Elbow(a)
a.ViewObject.Proxy=0
a.Placement.Base=pos
rot=FreeCAD.Rotation(FreeCAD.Vector(0,0,1),Z)
#rot=FreeCAD.Rotation(FreeCAD.Vector(0,-1,0),Z)
a.Placement.Rotation=rot.multiply(a.Placement.Rotation)
return a
def makeElbowBetweenThings(thing1=None, thing2=None, propList=None):
'''
makeElbowBetweenThings(thing1, thing2, propList=None):
Place one elbow at the intersection of thing1 and thing2.
Things can be any combination of intersecting beams, pipes or edges.
If nothing is passed as argument, the function attempts to take the
first two edges selected in the view.
propList is one optional list with 5 elements:
DN (string): nominal diameter
OD (float): outside diameter
thk (float): shell thickness
BA (float): bend angle - that will be recalculated! -
BR (float): bend radius
Default is "DN50 (SCH-STD)"
Remember: property PRating must be defined afterwards
'''
if not (thing1 and thing2):
thing1,thing2=fCmd.edges()[:2]
P=fCmd.intersectionCLines(thing1,thing2)
directions=list()
try:
for thing in [thing1,thing2]:
if fCmd.beams([thing]):
directions.append(rounded((fCmd.beamAx(thing).multiply(thing.Height/2)+thing.Placement.Base)-P))
elif hasattr(thing,'ShapeType') and thing.ShapeType=='Edge':
directions.append(rounded(thing.CenterOfMass-P))
except:
return None
ang=180-degrees(directions[0].getAngle(directions[1]))
if ang==0 or ang==180: return None
if not propList:
propList=["DN50",60.3,3.91,ang,45.24]
else:
propList[3]=ang
elb=makeElbow(propList,P,directions[0].negative().cross(directions[1].negative()))
# mate the elbow ends with the pipes or edges
b=fCmd.bisect(directions[0],directions[1])
elbBisect=rounded(fCmd.beamAx(elb,FreeCAD.Vector(1,1,0))) #if not rounded, fail in plane xz
rot=FreeCAD.Rotation(elbBisect,b)
elb.Placement.Rotation=rot.multiply(elb.Placement.Rotation)
# trim the adjacent tubes
#FreeCAD.activeDocument().recompute() # may delete this row?
portA=elb.Placement.multVec(elb.Ports[0])
portB=elb.Placement.multVec(elb.Ports[1])
for tube in [t for t in [thing1,thing2] if fCmd.beams([t])]:
vectA=tube.Shape.Solids[0].CenterOfMass-portA
vectB=tube.Shape.Solids[0].CenterOfMass-portB
if fCmd.isParallel(vectA,fCmd.beamAx(tube)):
fCmd.extendTheBeam(tube,portA)
else:
fCmd.extendTheBeam(tube,portB)
return elb
def doElbow(propList=['DN50',60.3,3,90,45.225], pypeline=None):
'''
propList = [
DN (string): nominal diameter
OD (float): outside diameter
thk (float): shell thickness
BA (float): bend angle
BR (float): bend radius ]
pypeline = string
'''
elist=[]
FreeCAD.activeDocument().openTransaction('Insert elbow')
selex=FreeCADGui.Selection.getSelectionEx()
if len(selex)==0: # no selection -> insert one elbow at origin
elist.append(makeElbow(propList))
elif len(selex)==1 and len(selex[0].SubObjects)==1: #one selection -> ...
if selex[0].SubObjects[0].ShapeType=="Vertex": # ...on vertex
elist.append(makeElbow(propList,selex[0].SubObjects[0].Point))
elif selex[0].SubObjects[0].ShapeType=="Edge" and selex[0].SubObjects[0].curvatureAt(0)!=0: # ...on center of curved edge
P=selex[0].SubObjects[0].centerOfCurvatureAt(0)
N=selex[0].SubObjects[0].normalAt(0).cross(selex[0].SubObjects[0].tangentAt(0)).normalize()
elb=makeElbow(propList,P)
if isPipe(selex[0].Object): #..on the edge of a pipe
ax=selex[0].Object.Shape.Solids[0].CenterOfMass-P
rot=FreeCAD.Rotation(elb.Ports[0],ax)
elb.Placement.Rotation=rot.multiply(elb.Placement.Rotation)
Port0=getElbowPort(elb)
elb.Placement.move(P-Port0)
elif isElbow(selex[0].Object): #..on the edge of an elbow
p0,p1=[selex[0].Object.Placement.Rotation.multVec(p) for p in selex[0].Object.Ports]
if fCmd.isParallel(p0,N):
elb.Placement.Rotation=FreeCAD.Rotation(elb.Ports[0],p0*-1)
else:
elb.Placement.Rotation=FreeCAD.Rotation(elb.Ports[0],p1*-1)
delta=getElbowPort(elb)
elb.Placement.move(P-delta)
else: #..on any other curved edge
print('hello')
rot=FreeCAD.Rotation(elb.Ports[0],N)
elb.Placement.Rotation=rot.multiply(elb.Placement.Rotation)
# elb.Placement.move(elb.Placement.Rotation.multVec(elb.Ports[0])*-1)
v=portsDir(elb)[0].negative()*elb.Ports[0].Length
elb.Placement.move(v)
elist.append(elb)
FreeCAD.activeDocument().recompute()
else: # multiple selection -> insert one elbow at intersection of two edges or beams or pipes ##
things=[]
for objEx in selex:
if len(fCmd.beams([objEx.Object]))==1: # if the object is a beam or pipe, append it to the "things"..
things.append(objEx.Object)
else: # ..else append its edges
for edge in fCmd.edges([objEx]):
things.append(edge)
if len(things)>=2:
break
try: #create the feature
elb=elist.append(makeElbowBetweenThings(*things[:2],propList=propList))
except:
FreeCAD.Console.PrintError('Creation of elbow is failed\n')
if pypeline:
for e in elist:
moveToPyLi(e,pypeline)
FreeCAD.activeDocument().commitTransaction()
FreeCAD.activeDocument().recompute()
return elist
def makeFlange(propList=[], pos=None, Z=None):
'''Adds a Flange object
makeFlange(propList,pos,Z);
propList is one optional list with 8 elements:
DN (string): nominal diameter
FlangeType (string): type of Flange
D (float): flange diameter
d (float): bore diameter
df (float): bolts holes distance
f (float): bolts holes diameter
t (float): flange thickness
n (int): nr. of bolts
trf (float): raised-face thikness - OPTIONAL -
drf (float): raised-face diameter - OPTIONAL -
twn (float): welding-neck thikness - OPTIONAL -
dwn (float): welding-neck diameter - OPTIONAL -
ODp (float): outside diameter of pipe for wn flanges - OPTIONAL -
Default is "DN50 (PN16)"
pos (vector): position of insertion; default = 0,0,0
Z (vector): orientation: default = 0,0,1
Remember: property PRating must be defined afterwards
'''
if pos==None:
pos=FreeCAD.Vector(0,0,0)
if Z==None:
Z=FreeCAD.Vector(0,0,1)
a=FreeCAD.ActiveDocument.addObject("Part::FeaturePython","Flangia")
if len(propList)>=8:
pFeatures.Flange(a,*propList)
else:
pFeatures.Flange(a)
a.ViewObject.Proxy=0
a.Placement.Base=pos
rot=FreeCAD.Rotation(FreeCAD.Vector(0,0,1),Z)
a.Placement.Rotation=rot.multiply(a.Placement.Rotation)
return a
def doFlanges(propList=["DN50", "SO", 160, 60.3, 132, 14, 15, 4, 0, 0, 0, 0, 0], pypeline=None):
'''
propList = [
DN (string): nominal diameter
FlangeType (string): type of Flange
D (float): flange diameter
d (float): bore diameter
df (float): bolts holes distance
f (float): bolts holes diameter
t (float): flange thickness
n (int): nr. of bolts
trf (float): raised-face thikness - OPTIONAL -
drf (float): raised-face diameter - OPTIONAL -
twn (float): welding-neck thikness - OPTIONAL -
dwn (float): welding-neck diameter - OPTIONAL -
ODp (float): outside diameter of pipe for wn flanges - OPTIONAL -
pypeline = string
'''
flist=[]
tubes=[t for t in fCmd.beams() if hasattr(t,'PSize')]
FreeCAD.activeDocument().openTransaction('Insert flange')
if len(fCmd.edges())==0:
vs=[v for sx in FreeCADGui.Selection.getSelectionEx() for so in sx.SubObjects for v in so.Vertexes]
if len(vs)==0:
flist.append(makeFlange(propList))
else:
for v in vs:
flist.append(makeFlange(propList,v.Point))
elif tubes:
selex=FreeCADGui.Selection.getSelectionEx()
for sx in selex:
if isPipe(sx.Object) and fCmd.edges([sx]):
for edge in fCmd.edges([sx]):
if edge.curvatureAt(0)!=0:
flist.append(makeFlange(propList,edge.centerOfCurvatureAt(0),sx.Object.Shape.Solids[0].CenterOfMass-edge.centerOfCurvatureAt(0)))
else:
for edge in fCmd.edges():
if edge.curvatureAt(0)!=0:
flist.append(makeFlange(propList,edge.centerOfCurvatureAt(0),edge.tangentAt(0).cross(edge.normalAt(0))))
if pypeline:
for f in flist:
moveToPyLi(f,pypeline)
FreeCAD.activeDocument().commitTransaction()
FreeCAD.activeDocument().recompute()
return flist
def makeReduct(propList=[], pos=None, Z=None, conc=True):
'''Adds a Reduct object
makeReduct(propList=[], pos=None, Z=None, conc=True)
propList is one optional list with 6 elements:
PSize (string): nominal diameter
OD (float): major diameter
OD2 (float): minor diameter
thk (float): major thickness
thk2 (float): minor thickness
H (float): length of reduction
pos (vector): position of insertion; default = 0,0,0
Z (vector): orientation: default = 0,0,1
conc (bool): True for concentric or Flase for eccentric reduction
Remember: property PRating must be defined afterwards
'''
if pos==None:
pos=FreeCAD.Vector(0,0,0)
if Z==None:
Z=FreeCAD.Vector(0,0,1)
a=FreeCAD.ActiveDocument.addObject("Part::FeaturePython","Riduz")
propList.append(conc)
pFeatures.Reduct(a,*propList)
a.ViewObject.Proxy=0
a.Placement.Base=pos
rot=FreeCAD.Rotation(FreeCAD.Vector(0,0,1),Z)
a.Placement.Rotation=rot.multiply(a.Placement.Rotation)
return a
def makeUbolt(propList=[], pos=None, Z=None):
'''Adds a Ubolt object:
makeUbolt(propList,pos,Z);
propList is one optional list with 5 elements:
PSize (string): nominal diameter
ClampType (string): the clamp type or standard
C (float): the diameter of the U-bolt
H (float): the total height of the U-bolt
d (float): the rod diameter
pos (vector): position of insertion; default = 0,0,0
Z (vector): orientation: default = 0,0,1
Remember: property PRating must be defined afterwards
'''
if pos==None:
pos=FreeCAD.Vector(0,0,0)
if Z==None:
Z=FreeCAD.Vector(0,0,1)
a=FreeCAD.ActiveDocument.addObject("Part::FeaturePython","U-Bolt")
if len(propList)==5:
pFeatures.Ubolt(a,*propList)
else:
pFeatures.Ubolt(a)
a.ViewObject.Proxy=0
a.Placement.Base=pos
rot=FreeCAD.Rotation(FreeCAD.Vector(0,0,1),Z)
a.Placement.Rotation=rot.multiply(a.Placement.Rotation)
return a
def makeShell(L=1000,W=1500,H=1500,thk1=6,thk2=8):
'''
makeShell(L,W,H,thk1,thk2)
Adds the shell of a tank, given
L(ength): default=800
W(idth): default=400
H(eight): default=500
thk (thickness): default=6
'''
a=FreeCAD.ActiveDocument.addObject("Part::FeaturePython","Serbatoio")
pFeatures.Shell(a,L,W,H,thk1,thk2)
a.ViewObject.Proxy=0
a.Placement.Base=FreeCAD.Vector(0,0,0)
a.ViewObject.ShapeColor=0.0,0.0,1.0
a.ViewObject.Transparency=85
FreeCAD.ActiveDocument.recompute()
return a
def makeCap(propList=[], pos=None, Z=None):
'''add a Cap object
makeCap(propList,pos,Z);
propList is one optional list with 4 elements:
DN (string): nominal diameter
OD (float): outside diameter
thk (float): shell thickness
Default is "DN50 (SCH-STD)"
pos (vector): position of insertion; default = 0,0,0
Z (vector): orientation: default = 0,0,1
Remember: property PRating must be defined afterwards
'''
if pos==None:
pos=FreeCAD.Vector(0,0,0)
if Z==None:
Z=FreeCAD.Vector(0,0,1)
a=FreeCAD.ActiveDocument.addObject("Part::FeaturePython","Fondo")
if len(propList)==3:
pFeatures.Cap(a,*propList)
else:
pFeatures.Cap(a)
a.ViewObject.Proxy=0
a.Placement.Base=pos
rot=FreeCAD.Rotation(FreeCAD.Vector(0,0,1),Z)
a.Placement.Rotation=rot.multiply(a.Placement.Rotation)
return a
def doCaps(propList=['DN50',60.3,3], pypeline=None):
'''
propList = [
DN (string): nominal diameter
OD (float): outside diameter
thk (float): shell thickness ]
pypeline = string
'''
clist=[]
FreeCAD.activeDocument().openTransaction('Insert cap')
if len(fCmd.edges())==0:
vs=[v for sx in FreeCADGui.Selection.getSelectionEx() for so in sx.SubObjects for v in so.Vertexes]
if len(vs)==0: # nothing is selected
clist.append(makeCap(propList))
else:
for v in vs: # vertexes are selected
clist.append(makeCap(propList,v.Point))
else:
for edge in fCmd.edges():
if edge.curvatureAt(0)!=0: # curved edges are selected...
objs=[o for o in FreeCADGui.Selection.getSelection() if hasattr(o,'PSize') and hasattr(o,'OD') and hasattr(o,'thk')]
Z=None
if len(objs)>0: # ...pype objects are selected
Z=edge.centerOfCurvatureAt(0)-objs[0].Shape.Solids[0].CenterOfMass
else: # ...no pype objects are selected
Z=edge.tangentAt(0).cross(edge.normalAt(0))
clist.append(makeCap(propList,edge.centerOfCurvatureAt(0),Z))
if pypeline:
for c in clist:
moveToPyLi(c,pypeline)
FreeCAD.activeDocument().commitTransaction()
FreeCAD.activeDocument().recompute()
def makeW():
edges=fCmd.edges()
if len(edges)>1:
first=edges[0]
last=edges[-1]
points=list()
while len(edges)>1: points.append(fCmd.intersectionCLines(edges.pop(0),edges[0]))
delta1=(first.valueAt(0)-points[0]).Length
delta2=(first.valueAt(first.LastParameter)-points[0]).Length
if delta1>delta2:
points.insert(0,first.valueAt(0))
else:
points.insert(0,first.valueAt(first.LastParameter))
delta1=(last.valueAt(0)-points[0]).Length
delta2=(last.valueAt(last.LastParameter)-points[0]).Length
if delta1>delta2:
points.append(last.valueAt(0))
else:
points.append(last.valueAt(last.LastParameter))
from Draft import makeWire
try:
p=makeWire(points)
except:
FreeCAD.Console.PrintError('Missing intersection\n')
return None
p.Label='Path'
drawAsCenterLine(p)
return p
elif FreeCADGui.Selection.getSelection():
obj=FreeCADGui.Selection.getSelection()[0]
if hasattr(obj,'Shape') and type(obj.Shape)==Part.Wire:
drawAsCenterLine(obj)
return obj
else:
return None
def makePypeLine2(DN="DN50",PRating="SCH-STD",OD=60.3,thk=3,BR=None, lab="Tubatura", pl=None, color=(0.8,0.8,0.8)):
'''
makePypeLine2(DN="DN50",PRating="SCH-STD",OD=60.3,thk=3,BR=None, lab="Tubatura",pl=None, color=(0.8,0.8,0.8))
Adds a PypeLine2 object creating pipes over the selected edges.
Default tube is "DN50", "SCH-STD"
Bending Radius is set to 0.75*OD.
'''
if not BR:
BR=0.75*OD
# create the pypeLine group
if not pl:
a=FreeCAD.ActiveDocument.addObject("Part::FeaturePython",lab)
pFeatures.PypeLine2(a,DN,PRating,OD,thk,BR, lab)
pFeatures.ViewProviderPypeLine(a.ViewObject) # a.ViewObject.Proxy=0
a.ViewObject.ShapeColor=color
if len(FreeCADGui.Selection.getSelection())==1:
obj=FreeCADGui.Selection.getSelection()[0]
isWire=hasattr(obj,'Shape') and obj.Shape.Edges #type(obj.Shape)==Part.Wire
isSketch=hasattr(obj,'TypeId') and obj.TypeId=='Sketcher::SketchObject'
if isWire or isSketch:
a.Base=obj
a.Proxy.update(a)
if isWire:
drawAsCenterLine(obj)
elif fCmd.edges():
path=makeW()
a.Base=path
a.Proxy.update(a)
else:
a=FreeCAD.ActiveDocument.getObjectsByLabel(pl)[0]
group=FreeCAD.ActiveDocument.getObjectsByLabel(a.Group)[0]
a.Proxy.update(a,fCmd.edges())
FreeCAD.Console.PrintWarning("Objects added to pypeline's group "+a.Group+"\n")
return a
def makeBranch(base=None, DN="DN50",PRating="SCH-STD",OD=60.3,thk=3,BR=None, lab="Traccia", color=(0.8,0.8,0.8)):
'''
makeBranch(base=None, DN="DN50",PRating="SCH-STD",OD=60.3,thk=3,BR=None, lab="Traccia" color=(0.8,0.8,0.8))
Draft function for PypeBranch.
'''
if not BR:
BR=0.75*OD
if not base:
if FreeCADGui.Selection.getSelection():
obj=FreeCADGui.Selection.getSelection()[0]
isWire=hasattr(obj,'Shape') and type(obj.Shape)==Part.Wire
isSketch=hasattr(obj,'TypeId') and obj.TypeId=='Sketcher::SketchObject'
if isWire or isSketch:
base=obj
if isWire:
drawAsCenterLine(obj)
elif fCmd.edges():
base=makeW()
if base:
a=FreeCAD.ActiveDocument.addObject("Part::FeaturePython",lab)
pFeatures.PypeBranch2(a,base,DN,PRating,OD,thk,BR)
pFeatures.ViewProviderPypeBranch(a.ViewObject)
return a
else:
FreeCAD.Console.PrintError('Select a valid path.\n')
def updatePLColor(sel=None, color=None):
if not sel:
sel=FreeCADGui.Selection.getSelection()
if sel:
pl=sel[0]
if hasattr(pl,'PType') and pl.PType=='PypeLine':
if not color:
color=pl.ViewObject.ShapeColor
group=FreeCAD.activeDocument().getObjectsByLabel(pl.Group)[0]
for o in group.OutList:
if hasattr(o,'PType'):
if o.PType in objToPaint:
o.ViewObject.ShapeColor=color
elif o.PType == 'PypeBranch':
for e in [FreeCAD.ActiveDocument.getObject(name) for name in o.Tubes+o.Curves]:
e.ViewObject.ShapeColor=color
else:
FreeCAD.Console.PrintError('Select first one pype line\n')
def alignTheTube():
'''
Mates the selected 2 circular edges
of 2 separate objects.
'''
try:
t1=FreeCADGui.Selection.getSelection()[0]
t2=FreeCADGui.Selection.getSelection()[-1]
except:
FreeCAD.Console.PrintError("Select at least one object.\n")
return None
d1,d2=fCmd.edges()[:2]
if d1.curvatureAt(0)!=0 and d2.curvatureAt(0)!=0:
n1=d1.tangentAt(0).cross(d1.normalAt(0))
n2=d2.tangentAt(0).cross(d2.normalAt(0))
else:
FreeCAD.Console.PrintError("Select 2 curved edges.\n")
return None
rot=FreeCAD.Rotation(n2,n1)
t2.Placement.Rotation=rot.multiply(t2.Placement.Rotation)
#traslazione centri di curvatura
d1,d2=fCmd.edges() #redo selection to get new positions
dist=d1.centerOfCurvatureAt(0)-d2.centerOfCurvatureAt(0)
t2.Placement.move(dist)
#verifica posizione relativa
try:
com1,com2=[t.Shape.Solids[0].CenterOfMass for t in [t1,t2]]
if isElbow(t2):
pass
elif (com1-d1.centerOfCurvatureAt(0)).dot(com2-d1.centerOfCurvatureAt(0))>0:
reverseTheTube(FreeCADGui.Selection.getSelectionEx()[:2][1])
except:
pass
#TARGET [solved]: verify if t1 or t2 belong to App::Part and changes the Placement consequently
if fCmd.isPartOfPart(t1):
part=fCmd.isPartOfPart(t1)
t2.Placement=part.Placement.multiply(t2.Placement)
if fCmd.isPartOfPart(t2):
part=fCmd.isPartOfPart(t2)
t2.Placement=part.Placement.inverse().multiply(t2.Placement)
def rotateTheTubeAx(obj=None,vShapeRef=None, angle=45):
'''
rotateTheTubeAx(obj=None,vShapeRef=None,angle=45)
Rotates obj around the vShapeRef axis of its Shape by an angle.
obj: if not defined, the first in the selection set
vShapeRef: if not defined, the Z axis of the Shape
angle: default=45 deg
'''
if obj==None:
obj=FreeCADGui.Selection.getSelection()[0]
if vShapeRef==None:
vShapeRef=FreeCAD.Vector(0,0,1)
rot=FreeCAD.Rotation(fCmd.beamAx(obj,vShapeRef),angle)
obj.Placement.Rotation=rot.multiply(obj.Placement.Rotation)
def reverseTheTube(objEx):
'''
reverseTheTube(objEx)
Reverse the orientation of objEx spinning it 180 degrees around the x-axis
of its shape.
If an edge is selected, it's used as pivot.
'''
disp=None
selectedEdges=[e for e in objEx.SubObjects if e.ShapeType=='Edge']
if selectedEdges:
for edge in fCmd.edges([objEx]):
if edge.curvatureAt(0):
disp=edge.centerOfCurvatureAt(0)-objEx.Object.Placement.Base
break
elif fCmd.beams([objEx.Object]):
ax=fCmd.beamAx(objEx.Object)
disp=ax*((edge.CenterOfMass-objEx.Object.Placement.Base).dot(ax))
rotateTheTubeAx(objEx.Object,FreeCAD.Vector(1,0,0),180)
if disp:
objEx.Object.Placement.move(disp*2)
def rotateTheTubeEdge(ang=45):
if len(fCmd.edges())>0 and fCmd.edges()[0].curvatureAt(0)!=0:
originalPos=fCmd.edges()[0].centerOfCurvatureAt(0)
obj=FreeCADGui.Selection.getSelection()[0]
rotateTheTubeAx(vShapeRef=shapeReferenceAxis(),angle=ang)
newPos=fCmd.edges()[0].centerOfCurvatureAt(0)
obj.Placement.move(originalPos-newPos)
def placeTheElbow(c,v1=None,v2=None,P=None):
'''
placeTheElbow(c,v1,v2,P=None)
Puts the curve C between vectors v1 and v2.
If point P is given, translates it in there.
NOTE: v1 and v2 oriented in the same direction along the path!
'''
if not (v1 and v2):
v1,v2=[e.tangentAt(0) for e in fCmd.edges()]
try:
P=fCmd.intersectionCLines(*fCmd.edges())
except: pass
if hasattr(c,'PType') and hasattr(c,'BendAngle') and v1 and v2:
v1.normalize()
v2.normalize()
ortho=rounded(fCmd.ortho(v1,v2))
bisect=rounded(v2-v1)
ang=degrees(v1.getAngle(v2))
c.BendAngle=ang
rot1=FreeCAD.Rotation(rounded(fCmd.beamAx(c,FreeCAD.Vector(0,0,1))),ortho)
c.Placement.Rotation=rot1.multiply(c.Placement.Rotation)
rot2=FreeCAD.Rotation(rounded(fCmd.beamAx(c,FreeCAD.Vector(1,1,0))),bisect)
c.Placement.Rotation=rot2.multiply(c.Placement.Rotation)
if not P:
P=c.Placement.Base
c.Placement.Base=P
def placeoTherElbow(c,v1=None,v2=None,P=None):
'''
Like placeTheElbow() but with more math.
'''
if not (v1 and v2):
v1,v2=[e.tangentAt(0) for e in fCmd.edges()]
try:
P=fCmd.intersectionCLines(*fCmd.edges())
except: pass
if hasattr(c,'PType') and hasattr(c,'BendAngle') and v1 and v2:
v1.normalize()
v2.normalize()
ortho=rounded(fCmd.ortho(v1,v2))
bisect=rounded(v2-v1)
cBisect=rounded(c.Ports[1].normalize()+c.Ports[0].normalize()) # math
cZ=c.Ports[0].cross(c.Ports[1]) # more math
ang=degrees(v1.getAngle(v2))
c.BendAngle=ang
rot1=FreeCAD.Rotation(rounded(fCmd.beamAx(c,cZ)),ortho)
c.Placement.Rotation=rot1.multiply(c.Placement.Rotation)
rot2=FreeCAD.Rotation(rounded(fCmd.beamAx(c,cBisect)),bisect)
c.Placement.Rotation=rot2.multiply(c.Placement.Rotation)
if not P:
P=c.Placement.Base
c.Placement.Base=P
def placeThePype(pypeObject, port=0, target=None, targetPort=0):
'''
placeThePype(pypeObject, port=None, target=None, targetPort=0)
pypeObject: a FeaturePython with PType property
port: an optional port of pypeObject
Aligns pypeObject's Placement to the Port of another pype which is selected in the viewport.
The pype shall be selected to the circular edge nearest to the port concerned.
'''
pos=Z=FreeCAD.Vector()
if target and hasattr(target,'PType') and hasattr(target,'Ports'): # target is given
pos=portsPos(target)[targetPort]
Z=portsDir(target)[targetPort]
else: # find target
try:
selex=FreeCADGui.Selection.getSelectionEx()
target=selex[0].Object
so=selex[0].SubObjects[0]
except:
FreeCAD.Console.PrintError('No geometry selected\n')
return
if type(so)==Part.Vertex: pick=so.Point
else: pick=so.CenterOfMass
if hasattr(target,'PType') and hasattr(target,'Ports'): # ...selection is another pype-object
pos, Z = nearestPort(target, pick)[1:]
elif fCmd.edges([selex[0]]): # one or more edges selected...
edge=fCmd.edges([selex[0]])[0]
if edge.curvatureAt(0)!=0: # ...and the first is curve
pos=edge.centerOfCurvatureAt(0)
Z=edge.tangentAt(0).cross(edge.normalAt(0))
# now place pypeObject on target
pOport=pypeObject.Ports[port]
if pOport==FreeCAD.Vector():
pOport=pypeObject.Ports[port]
if pOport==FreeCAD.Vector(): pOport=FreeCAD.Vector(0,0,-1)
pypeObject.Placement=FreeCAD.Placement(pos+Z*pOport.Length,FreeCAD.Rotation(pOport*-1,Z))
def nearestPort (pypeObject,point):
try:
pos=portsPos(pypeObject)[0]; Z=portsDir(pypeObject)[0]
i=nearest=0
for p in portsPos(pypeObject)[1:] :
i+=1
if (p-point).Length<(pos-point).Length:
pos=p
Z=portsDir(pypeObject)[i]
nearest=i
return nearest, pos, Z
except:
return None
def extendTheTubes2intersection(pipe1=None,pipe2=None,both=True):
'''
Does what it says; also with beams.
If arguments are None, it picks the first 2 selected beams().
'''
if not (pipe1 and pipe2):
try:
pipe1,pipe2=fCmd.beams()[:2]
except:
FreeCAD.Console.PrintError('Insufficient arguments for extendTheTubes2intersection\n')
P=fCmd.intersectionCLines(pipe1,pipe2)
if P!=None:
fCmd.extendTheBeam(pipe1,P)
if both:
fCmd.extendTheBeam(pipe2,P)
def header(): #start 20200725
'''
creates an header with multiple branches
'''
import BOPTools.JoinFeatures
branches=fCmd.beams()
for p in branches:
if not hasattr(p,'PType'):
branches.pop(branches.index(p))
elif p.PType!='Pipe':
branches.pop(branches.index(p))
if len(branches)>1:
header=branches.pop(0)
print ("Header is "+header.Label)
pl=header.Placement
for t in [header]+branches:
t.Placement=pl.inverse().multiply(t.Placement)
O=FreeCAD.Vector(0,0,0)
Z=FreeCAD.Vector(0,0,1)
for t in branches:
P=t.Proxy.nearestPort(FreeCAD.Vector())[1]
if t.Proxy.nearestPort(O)[0]:
u=fCmd.beamAx(t).negative()
else:
u=fCmd.beamAx(t)
I=P.projectToPlane(O,u)
I[2]=0.0
# migliorare aggiustamento delta in funzione di ang e t.OD
delta=(float(header.OD/2)**2-I.Length**2)**.5-float(header.thk)-float(t.OD/2)
if round(u.dot(Z),5) or delta.imag:# or round(I.Length+float(t.OD)/2,3)>round(float(header.OD)/2,3):
print('%s has exception and will not be connected' %(t.Label))
branches[branches.index(t)]=None
t.Placement=pl.multiply(t.Placement)
else:
fCmd.extendTheBeam(t,I+u*delta)
### join and move back
branches=[b for b in branches if b]
if branches:
join= BOPTools.JoinFeatures.makeConnect('Header')
join.Objects=[header]+branches
join.Placement=pl
join.Refine=True
for pipe in join.Objects:
pipe.ViewObject.Visibility=False
else:
header.Placement=pl.multiply(header.Placement)
FreeCAD.activeDocument().recompute()
else:
FreeCAD.Console.PrintError('Insufficient pipes selected\n')
def laydownTheTube(pipe=None, refFace=None, support=None):
'''
laydownTheTube(pipe=None, refFace=None, support=None)
Makes one pipe touch one face if the center-line is parallel to it.
If support is not None, support is moved towards pipe.
'''
if not(pipe and refFace): # without argument take from selection set
refFace=[f for f in fCmd.faces() if type(f.Surface)==Part.Plane][0]
pipe=[p for p in fCmd.beams() if hasattr(p,'OD')] [0]
try:
if type(refFace.Surface)==Part.Plane and fCmd.isOrtho(refFace,fCmd.beamAx(pipe)) and hasattr(pipe,'OD'):
dist=rounded(refFace.normalAt(0,0).multiply(refFace.normalAt(0,0).dot(pipe.Placement.Base-refFace.CenterOfMass)-float(pipe.OD)/2))
if support:
support.Placement.move(dist)
else:
pipe.Placement.move(dist.multiply(-1))
else:
FreeCAD.Console.PrintError('Face is not flat or not parallel to axis of pipe\n')
except:
FreeCAD.Console.PrintError('Wrong selection\n')
def breakTheTubes(point,pipes=[],gap=0):
'''
breakTheTube(point,pipes=[],gap=0)
Breaks the "pipes" at "point" leaving a "gap".
'''
pipes2nd=list()
if not pipes:
pipes=[p for p in fCmd.beams() if isPipe(p)]
if pipes:
for pipe in pipes:
if point<float(pipe.Height) and gap<(float(pipe.Height)-point):
propList=[pipe.PSize,float(pipe.OD),float(pipe.thk),float(pipe.Height)-point-gap]
pipe.Height=point
Z=fCmd.beamAx(pipe)
pos=pipe.Placement.Base+Z*(float(pipe.Height)+gap)
pipe2nd=makePipe(propList,pos,Z)
pipes2nd.append(pipe2nd)
#FreeCAD.activeDocument().recompute()
return pipes2nd
def drawAsCenterLine(obj):
try:
obj.ViewObject.LineWidth=4
obj.ViewObject.LineColor=1.0,0.3,0.0
obj.ViewObject.DrawStyle='Dashdot'
except:
FreeCAD.Console.PrintError('The object can not be center-lined\n')
def getElbowPort(elbow, portId=0):
'''
getElbowPort(elbow, portId=0)
Returns the position of the specified port of elbow.
'''
if isElbow(elbow):
return elbow.Placement.multVec(elbow.Ports[portId])
def rotateTheElbowPort(curve=None, port=0, ang=45):
'''
rotateTheElbowPort(curve=None, port=0, ang=45)
Rotates one curve aroud one of its circular edges.
'''
if curve==None:
try:
curve=FreeCADGui.Selection.getSelection()[0]
if not isElbow(curve):
FreeCAD.Console.PrintError('Please select an elbow.\n')
return
except:
FreeCAD.Console.PrintError('Please select something before.\n')
rotateTheTubeAx(curve,curve.Ports[port],ang)