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Arch: Added some preferences options to the MeshToShape command

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This commit is contained in:
Yorik van Havre
2013-10-28 17:25:40 -02:00
parent 56c44b724a
commit b442465960
7 changed files with 620 additions and 356 deletions
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46
src/Mod/Arch/ArchCommands.py
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@@ -237,7 +237,7 @@ def makeFace(wires,method=2,cleanup=False):
'''makeFace(wires): makes a face from a list of wires, finding which ones are holes'''
#print "makeFace: start:", wires
import Part
if not isinstance(wires,list):
if len(wires.Vertexes) < 3:
raise
@@ -379,9 +379,9 @@ def getCutVolume(cutplane,shapes):
invcutvolume = cutface.extrude(cutnormal)
return cutface,cutvolume,invcutvolume
def getShapeFromMesh(mesh):
import Part, MeshPart
if mesh.isSolid() and (mesh.countComponents() == 1):
def getShapeFromMesh(mesh,fast=True,tolerance=0.001,flat=False,cut=True):
import Part, MeshPart, DraftGeomUtils
if mesh.isSolid() and (mesh.countComponents() == 1) and fast:
# use the best method
faces = []
for f in mesh.Facets:
@@ -396,20 +396,33 @@ def getShapeFromMesh(mesh):
return solid
faces = []
segments = mesh.getPlanarSegments(0.001) # use rather strict tolerance here
segments = mesh.getPlanarSegments(tolerance)
#print len(segments)
for i in segments:
if len(i) > 0:
wires = MeshPart.wireFromSegment(mesh, i)
if wires:
if flat:
nwires = []
for w in wires:
nwires.append(DraftGeomUtils.flattenWire(w))
wires = nwires
try:
faces.append(makeFace(wires))
faces.append(makeFace(wires,method=int(cut)+1))
except:
return None
try:
se = Part.makeShell(faces)
se = se.removeSplitter()
if flat:
return se
except:
return None
try:
cp = Part.makeCompound(faces)
except:
return None
else:
return cp
else:
try:
solid = Part.Solid(se)
@@ -436,16 +449,20 @@ def projectToVector(shape,vector):
minl = l
return DraftVecUtils.scaleTo(vector,maxl-minl)
def meshToShape(obj,mark=True):
'''meshToShape(object,[mark]): turns a mesh into a shape, joining coplanar facets. If
mark is True (default), non-solid objects will be marked in red'''
def meshToShape(obj,mark=True,fast=True,tol=0.001,flat=False,cut=True):
'''meshToShape(object,[mark,fast,tol,flat,cut]): turns a mesh into a shape, joining coplanar facets. If
mark is True (default), non-solid objects will be marked in red. Fast uses a faster algorithm by
building a shell from the facets then removing splitter, tol is the tolerance used when converting
mesh segments to wires, flat will force the wires to be perfectly planar, to be sure they can be
turned into faces, but this might leave gaps in the final shell. If cut is true, holes in faces are
made by subtraction (default)'''
name = obj.Name
if "Mesh" in obj.PropertiesList:
faces = []
mesh = obj.Mesh
plac = obj.Placement
solid = getShapeFromMesh(mesh)
solid = getShapeFromMesh(mesh,fast,tol,flat,cut)
if solid:
if solid.isClosed() and solid.isValid():
FreeCAD.ActiveDocument.removeObject(name)
@@ -708,9 +725,14 @@ class _CommandMeshToShape:
if f.InList:
if f.InList[0].isDerivedFrom("App::DocumentObjectGroup"):
g = f.InList[0]
p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Arch")
fast = p.GetBool("ConversionFast",True)
tol = p.GetFloat("ConversionTolerance",0.001)
flat = p.GetBool("ConversionFlat",False)
cut = p.GetBool("ConversionCut",False)
FreeCAD.ActiveDocument.openTransaction(str(translate("Arch","Mesh to Shape")))
for obj in FreeCADGui.Selection.getSelection():
newobj = meshToShape(obj)
newobj = meshToShape(obj,True,fast,tol,flat,cut)
if g and newobj:
g.addObject(newobj)
FreeCAD.ActiveDocument.commitTransaction()