def createShape3d(doc, pts, indices, shape, key, prc, mat):
name = shape.getFirst(TYP_NAME).data
cnt = len(pts)
if (cnt > 0):
if (key is not None): name = "%s_%d" % (name, key)
mtx = createMatrix(prc)
# translate the points according to the transformation matrix
pt = numpy.ones((cnt, 4), numpy.float32)
pt[:, :3] = pts
tpt = numpy.transpose(numpy.dot(mtx, numpy.transpose(pt)))
data = []
for pol in indices:
if (len(pol) > 2): # skip points and lines!
try:
ngon = [tpt[idx][0:3] for idx in pol]
for triangle in triangulate.getTriangles(ngon):
data.append(triangle)
except:
pass
if (len(data) > 0):
obj = newObject(doc, name, data)
adjustMaterial(obj, mat)
return True
FreeCAD.Console.PrintWarning("no faces ... ")
return True
def createObject(doc, dmsh):
FreeCAD.Console.PrintMessage("Adding '%s' " % (dmsh.name))
xfrm = dmsh.parent
mtx = xfrm.getMatrix()
msh = dmsh.getPropertyId('MESH')
if (msh is not None):
vt = msh.data[1]
indices = getIndices(msh)
cnt = len(vt)
# translate the points according to the transformation matrix
pt = numpy.ones((cnt, 4), numpy.float32)
pt[:, :3] = vt
tpt = numpy.transpose(numpy.dot(mtx, numpy.transpose(pt)))
if (len(indices) > 0):
data = []
for pol in indices:
if (len(pol) > 2): # skip points and lines!
try:
ngon = [tpt[idx][0:3] for idx in pol]
for triangle in triangulate.getTriangles(ngon):
data.append(triangle)
except:
pass
if (len(data) > 0):
obj = newObject(doc, dmsh.name, data)
else:
FreeCAD.Console.PrintWarning("... no faces ... ")
else:
FreeCAD.Console.PrintWarning(
"... failed - Unknown mesh format at %X " % (dmsh.pos))
FreeCAD.Console.PrintMessage("Done!\n")
def createShape(self, chopper, face, mtx, name, pts):
# translate the points according to the transformation matrix
pt = numpy.ones((len(pts), 4), numpy.float32)
pt[:, :3] = pts
tpt = numpy.transpose(numpy.dot(mtx, numpy.transpose(pt)))
data = []
for idx in self.data:
data.append([tpt[idx[0]], tpt[idx[1]], tpt[idx[2]]])
obj = newObject(chopper.tg, name, data)
chopper.adjustMaterial(obj, face)
return
def buildObject(doc, parent, layer, objMaterials, objTags):
FreeCAD.Console.PrintMessage("Building mesh '%s'...\n" % (layer.name))
data = []
mfacets = []
if (layer.pols):
for pol in layer.pols:
ngon = [layer.pnts[idx] for idx in pol]
points = [V(k) for k in ngon]
points.append(points[0])
if len(ngon) > 2:
wire = Part.makePolygon(points)
plane = wire.findPlane(0.00001)
points2 = [plane.projectPoint(p) for p in points]
wire = Part.makePolygon(points2)
try:
face = Part.Face(wire)
tris = face.tessellate(0.1)
for tri in tris[1]:
data.append([tris[0][i] for i in tri])
except Exception as e:
Part.show(wire)
FreeCAD.Console.PrintWarning(
" skipping polygon (%s): %s\n" % (e, ngon))
me = newObject(doc, layer.name, data)
me.Placement.Base = FreeCAD.Vector(layer.pivot)
# Create the Material Slots and assign the MatIndex to the correct faces.
for surf_key in layer.surf_tags:
if objTags[surf_key] in objMaterials:
material = objMaterials[objTags[surf_key]]
# me.ViewObject.ShapeMaterial.AmbientColor =
me.ViewObject.ShapeMaterial.DiffuseColor = material.colr
# me.ViewObject.ShapeMaterial.EmissiveColor =
# me.ViewObject.ShapeMaterial.SpecularColor =
me.ViewObject.ShapeMaterial.Shininess = material.lumi
me.ViewObject.ShapeMaterial.Transparency = material.trnl
# Clear out the dictionaries for this layer.
layer.surf_tags.clear()
if (len(layer.subds) == 0):
if (parent is not None):
parent.Shapes.append(me)
else:
group = newGroup(doc, layer.name)
group.Shapes.append(me)
if (parent is not None):
parent.Shapes.append(group)
for child in layer.subds:
buildObject(doc, group, child, objMaterials, objTags)
def readBody(self, st, doc): self.resetMaterial() number = getInteger(st) if (len(self.vertexList) > 0): data = [] faces = self.getFaces() for f in faces: p0 = self.vertexList[f[0]] p1 = self.vertexList[f[1]] p2 = self.vertexList[f[2]] data.append([p0, p1, p2]) mesh = newObject(doc, self.currentName, data) self.adjustMaterial(mesh)
def initialize(self, chopper):
hi = self.getSubChunk(HIERARCHY_INFO) # build up tree!
hrx = self.getSubChunk(HIERARCHY)
FreeCAD.Console.PrintMessage("Adding '%s'\n" % (hrx.name))
#mtx = self.createKeyMatrix(chopper.currentFrame)
mtx = self.createKeyMatrix(0)
parent = chopper.keyMatrix.get(hrx.getParentId())
if (parent is not None):
prnMtx = parent.matrix
if (prnMtx is not None):
mtx = mtx.dot(prnMtx)
self.matrix = mtx
chopper.keyMatrix[hi.data] = self
nObj = chopper.namedObjectes.get(hrx.name)
if (nObj):
mObj = nObj.getSubChunk(TRI_MESH_OBJ)
if (mObj):
pts = getData(
mObj, TRI_VERTEXL
) # the 3D-point coordinates => Vertex3ListChunk
dsc = mObj.getSubChunk(
FACES_DESCRIPTION
) # the 3D object faces => FacesDescriptionChunk
if (dsc):
mat = dsc.getSubChunk(TRI_MATERIAL)
plc = mObj.getSubChunk(
TRI_PLACEMENT
) # the 3D object faces => PlacementChunk
mtx = numpy.dot(plc.getMatrix(), mtx)
# translate the points according to the transformation matrix
pt = numpy.ones((len(pts), 4), numpy.float32)
pt[:, :3] = pts
tpt = numpy.transpose(numpy.dot(mtx, numpy.transpose(pt)))
data = []
for idx in dsc.data:
data.append([tpt[idx[0]], tpt[idx[1]], tpt[idx[2]]])
obj = newObject(chopper.tg, hrx.name, data)
chopper.adjustMaterial(obj, mat)
def buildObject(doc, parent, layer, objMaterials, objTags):
FreeCAD.Console.PrintMessage("Building mesh '%s'...\n" %(layer.name))
data = []
for pol in layer.pols:
if len(pol) > 2:# skip points and lines!
ngon = [layer.pnts[idx] for idx in pol]
try:
for triangle in triangulate.getTriangles(ngon):
data.append(triangle)
except:
FreeCAD.Console.PrintWarning(" skipping polygon that is too small:%s\n"%(ngon))
me = newObject(doc, layer.name, data)
me.Placement.Base = FreeCAD.Vector(layer.pivot)
# Create the Material Slots and assign the MatIndex to the correct faces.
for surf_key in layer.surf_tags:
if objTags[surf_key] in objMaterials:
material = objMaterials[objTags[surf_key]]
# me.ViewObject.ShapeMaterial.AmbientColor =
me.ViewObject.ShapeMaterial.DiffuseColor = material.colr[:]
# me.ViewObject.ShapeMaterial.EmissiveColor =
# me.ViewObject.ShapeMaterial.SpecularColor =
me.ViewObject.ShapeMaterial.Shininess = material.lumi
me.ViewObject.ShapeMaterial.Transparency = material.trnl
# Clear out the dictionaries for this layer.
layer.surf_tags.clear()
if (len(layer.subds) == 0):
if (parent is not None):
parent.Shapes.append(me)
else:
group = newGroup(doc, layer.name)
group.Shapes.append(me)
if (parent is not None):
parent.Shapes.append(group)
for child in layer.subds:
buildObject(doc, group, child, objMaterials, objTags)
