Arch: fixed bugs in vector renderer
This commit is contained in:
Yorik van Havre
parent
9a269907aa
commit
e882b8c35c
|
|
@ -154,31 +154,35 @@ def splitMesh(obj,mark=True):
|
|||
|
||||
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"
|
||||
import Part
|
||||
|
||||
if not isinstance(wires,list):
|
||||
if len(wires.Vertexes) < 3:
|
||||
raise
|
||||
return Part.Face(wires)
|
||||
elif len(wires) == 1:
|
||||
if len(wires[0].Vertexes) < 3:
|
||||
raise
|
||||
return Part.Face(wires[0])
|
||||
|
||||
wires = wires[:]
|
||||
|
||||
print "inner wires found"
|
||||
#print "makeFace: inner wires found"
|
||||
ext = None
|
||||
max_length = 0
|
||||
# cleaning up rubbish in wires
|
||||
if cleanup:
|
||||
for i in range(len(wires)):
|
||||
wires[i] = DraftGeomUtils.removeInterVertices(wires[i])
|
||||
print "garbage removed"
|
||||
#print "makeFace: garbage removed"
|
||||
for w in wires:
|
||||
# we assume that the exterior boundary is that one with
|
||||
# the biggest bounding box
|
||||
if w.BoundBox.DiagonalLength > max_length:
|
||||
max_length = w.BoundBox.DiagonalLength
|
||||
ext = w
|
||||
print "exterior wire",ext
|
||||
#print "makeFace: exterior wire",ext
|
||||
wires.remove(ext)
|
||||
|
||||
if method == 1:
|
||||
|
|
@ -186,23 +190,22 @@ def makeFace(wires,method=2,cleanup=False):
|
|||
# all interior wires mark a hole and must reverse
|
||||
# their orientation, otherwise Part.Face fails
|
||||
for w in wires:
|
||||
print "reversing",w
|
||||
#print "makeFace: reversing",w
|
||||
w.reverse()
|
||||
print "reversed"
|
||||
# make sure that the exterior wires comes as first in the list
|
||||
wires.insert(0, ext)
|
||||
print "done sorting", wires
|
||||
#print "makeFace: done sorting", wires
|
||||
if wires:
|
||||
return Part.Face(wires)
|
||||
else:
|
||||
# method 2: use the cut method
|
||||
mf = Part.Face(ext)
|
||||
print "external face:",mf
|
||||
#print "makeFace: external face:",mf
|
||||
for w in wires:
|
||||
f = Part.Face(w)
|
||||
print "internal face:",f
|
||||
#print "makeFace: internal face:",f
|
||||
mf = mf.cut(f)
|
||||
print "final face:",mf.Faces
|
||||
#print "makeFace: final face:",mf.Faces
|
||||
return mf.Faces[0]
|
||||
|
||||
def meshToShape(obj,mark=True):
|
||||
|
|
|
|||
|
|
@ -215,7 +215,7 @@ class _ArchDrawingView:
|
|||
import ArchVRM
|
||||
render = ArchVRM.Renderer()
|
||||
render.setWorkingPlane(obj.Source.Placement)
|
||||
render.addObjects(objs)
|
||||
render.addObjects(Draft.getGroupContents(objs))
|
||||
render.cut(obj.Source.Shape)
|
||||
svg += render.getViewSVG(linewidth=linewidth)
|
||||
svg += render.getSectionSVG(linewidth=linewidth*2)
|
||||
|
|
|
|||
|
|
@ -145,12 +145,14 @@ class Renderer:
|
|||
|
||||
def reorient(self):
|
||||
"reorients the faces on the WP"
|
||||
#print "VRM: start reorient"
|
||||
if not self.faces:
|
||||
return
|
||||
self.faces = [self.projectFace(f) for f in self.faces]
|
||||
if self.sections:
|
||||
self.sections = [self.projectFace(f) for f in self.sections]
|
||||
self.oriented = True
|
||||
#print "VRM: end reorient"
|
||||
|
||||
def removeHidden(self):
|
||||
"removes faces pointing outwards"
|
||||
|
|
@ -166,7 +168,11 @@ class Renderer:
|
|||
|
||||
def projectFace(self,face):
|
||||
"projects a single face on the WP"
|
||||
#print "VRM: projectFace start"
|
||||
wires = []
|
||||
if not face[0].Wires:
|
||||
if DEBUG: print "Error: Unable to project face on the WP"
|
||||
return None
|
||||
norm = face[0].normalAt(0,0)
|
||||
for w in face[0].Wires:
|
||||
verts = []
|
||||
|
|
@ -177,7 +183,9 @@ class Renderer:
|
|||
verts.append(v)
|
||||
verts.append(verts[0])
|
||||
if len(verts) > 2:
|
||||
print verts
|
||||
wires.append(Part.makePolygon(verts))
|
||||
print "wires:",wires
|
||||
try:
|
||||
sh = ArchCommands.makeFace(wires)
|
||||
except:
|
||||
|
|
@ -188,6 +196,7 @@ class Renderer:
|
|||
vnorm = self.wp.getLocalCoords(norm)
|
||||
if vnorm.getAngle(sh.normalAt(0,0)) > 1:
|
||||
sh.reverse()
|
||||
#print "VRM: projectFace end"
|
||||
return [sh]+face[1:]
|
||||
|
||||
def flattenFace(self,face):
|
||||
|
|
@ -211,6 +220,7 @@ class Renderer:
|
|||
|
||||
def cut(self,cutplane):
|
||||
"Cuts through the shapes with a given cut plane and builds section faces"
|
||||
if DEBUG: print "\n\n======> Starting cut\n\n"
|
||||
if self.iscut:
|
||||
return
|
||||
if not self.shapes:
|
||||
|
|
@ -277,6 +287,7 @@ class Renderer:
|
|||
self.trimmed = False
|
||||
self.sorted = False
|
||||
self.joined = False
|
||||
if DEBUG: print "\n\n======> Finished cut\n\n"
|
||||
|
||||
def isInside(self,vert,face):
|
||||
"Returns True if the vert is inside the face in Z projection"
|
||||
|
|
@ -319,6 +330,15 @@ class Renderer:
|
|||
def compare(self,face1,face2):
|
||||
"zsorts two faces. Returns 1 if face1 is closer, 2 if face2 is closer, 0 otherwise"
|
||||
|
||||
#print face1,face2
|
||||
|
||||
if not face1:
|
||||
if DEBUG: print "Warning, undefined face!"
|
||||
return 31
|
||||
elif not face2:
|
||||
if DEBUG: print "Warning, undefined face!"
|
||||
return 32
|
||||
|
||||
# theory from
|
||||
# http://www.siggraph.org/education/materials/HyperGraph/scanline/visibility/painter.htm
|
||||
# and practical application http://vrm.ao2.it/ (blender vector renderer)
|
||||
|
|
@ -456,14 +476,17 @@ class Renderer:
|
|||
|
||||
def sort(self):
|
||||
"projects a shape on the WP"
|
||||
if DEBUG: print "\n\n======> Starting sort\n\n"
|
||||
if len(self.faces) <= 1:
|
||||
return
|
||||
if not self.trimmed:
|
||||
self.removeHidden()
|
||||
if DEBUG: print "Done hidden face removal"
|
||||
if len(self.faces) == 1:
|
||||
return
|
||||
if not self.oriented:
|
||||
self.reorient()
|
||||
if DEBUG: print "Done reorientation"
|
||||
faces = self.faces[:]
|
||||
if DEBUG: print "sorting ",len(self.faces)," faces"
|
||||
sfaces = []
|
||||
|
|
@ -492,6 +515,7 @@ class Renderer:
|
|||
for f2 in faces[1:]:
|
||||
if DEBUG: print "comparing face",str(self.faces.index(f1))," with face",str(self.faces.index(f2))
|
||||
r = self.compare(f1,f2)
|
||||
print "comparison result:",r
|
||||
if r == 1:
|
||||
faces.remove(f2)
|
||||
sfaces.append(f2)
|
||||
|
|
@ -506,6 +530,10 @@ class Renderer:
|
|||
sfaces.append(f2)
|
||||
notfoundstack = 0
|
||||
break
|
||||
elif r == 31:
|
||||
faces.remove(f1)
|
||||
elif r == 32:
|
||||
faces.remove(f2)
|
||||
else:
|
||||
# nothing found, move the face to the end of the pile
|
||||
faces.remove(f1)
|
||||
|
|
@ -518,6 +546,7 @@ class Renderer:
|
|||
if DEBUG: print "done Z sorting. ", len(sfaces), " faces retained, ", len(self.faces)-len(sfaces), " faces lost."
|
||||
self.faces = sfaces
|
||||
self.sorted = True
|
||||
if DEBUG: print "\n\n======> Finished sort\n\n"
|
||||
|
||||
def buildDummy(self):
|
||||
"Builds a dummy object with faces spaced on the Z axis, for visual check"
|
||||
|
|
@ -566,21 +595,22 @@ class Renderer:
|
|||
self.sort()
|
||||
svg = ''
|
||||
for f in self.faces:
|
||||
fill = self.getFill(f[1])
|
||||
svg +='<path '
|
||||
svg += 'd="'
|
||||
for w in f[0].Wires:
|
||||
svg += self.getPathData(w)
|
||||
svg += '" '
|
||||
svg += 'stroke="#000000" '
|
||||
svg += 'stroke-width="' + str(linewidth) + '" '
|
||||
svg += 'style="stroke-width:' + str(linewidth) + ';'
|
||||
svg += 'stroke-miterlimit:1;'
|
||||
svg += 'stroke-linejoin:round;'
|
||||
svg += 'stroke-dasharray:none;'
|
||||
svg += 'fill:' + fill + ';'
|
||||
svg += 'fill-rule: evenodd'
|
||||
svg += '"/>\n'
|
||||
if f:
|
||||
fill = self.getFill(f[1])
|
||||
svg +='<path '
|
||||
svg += 'd="'
|
||||
for w in f[0].Wires:
|
||||
svg += self.getPathData(w)
|
||||
svg += '" '
|
||||
svg += 'stroke="#000000" '
|
||||
svg += 'stroke-width="' + str(linewidth) + '" '
|
||||
svg += 'style="stroke-width:' + str(linewidth) + ';'
|
||||
svg += 'stroke-miterlimit:1;'
|
||||
svg += 'stroke-linejoin:round;'
|
||||
svg += 'stroke-dasharray:none;'
|
||||
svg += 'fill:' + fill + ';'
|
||||
svg += 'fill-rule: evenodd'
|
||||
svg += '"/>\n'
|
||||
return svg
|
||||
|
||||
def getSectionSVG(self,linewidth=0.02):
|
||||
|
|
@ -590,20 +620,21 @@ class Renderer:
|
|||
self.reorient()
|
||||
svg = ''
|
||||
for f in self.sections:
|
||||
fill = self.getFill(f[1])
|
||||
svg +='<path '
|
||||
svg += 'd="'
|
||||
for w in f[0].Wires:
|
||||
svg += self.getPathData(w)
|
||||
svg += '" '
|
||||
svg += 'stroke="#000000" '
|
||||
svg += 'stroke-width="' + str(linewidth) + '" '
|
||||
svg += 'style="stroke-width:' + str(linewidth) + ';'
|
||||
svg += 'stroke-miterlimit:1;'
|
||||
svg += 'stroke-linejoin:round;'
|
||||
svg += 'stroke-dasharray:none;'
|
||||
svg += 'fill:' + fill + ';'
|
||||
svg += 'fill-rule: evenodd'
|
||||
svg += '"/>\n'
|
||||
if f:
|
||||
fill = self.getFill(f[1])
|
||||
svg +='<path '
|
||||
svg += 'd="'
|
||||
for w in f[0].Wires:
|
||||
svg += self.getPathData(w)
|
||||
svg += '" '
|
||||
svg += 'stroke="#000000" '
|
||||
svg += 'stroke-width="' + str(linewidth) + '" '
|
||||
svg += 'style="stroke-width:' + str(linewidth) + ';'
|
||||
svg += 'stroke-miterlimit:1;'
|
||||
svg += 'stroke-linejoin:round;'
|
||||
svg += 'stroke-dasharray:none;'
|
||||
svg += 'fill:' + fill + ';'
|
||||
svg += 'fill-rule: evenodd'
|
||||
svg += '"/>\n'
|
||||
return svg
|
||||
|
||||
|
|
|
|||
|
|
@ -258,12 +258,31 @@ def getGroupContents(objectslist):
|
|||
is a group, its content is appened to the list, which is returned'''
|
||||
newlist = []
|
||||
for obj in objectslist:
|
||||
if obj.Type == "App::DocumentObjectGroup":
|
||||
if obj.isDerivedFrom("App::DocumentObjectGroup"):
|
||||
newlist.extend(getGroupContents(obj.Group))
|
||||
else:
|
||||
newlist.append(obj)
|
||||
return newlist
|
||||
|
||||
def printShape(shape):
|
||||
"""prints detailed information of a shape"""
|
||||
print "solids: ", len(shape.Solids)
|
||||
print "faces: ", len(shape.Faces)
|
||||
print "wires: ",len(shape.Wires)
|
||||
if shape.Faces:
|
||||
for f in range(len(shape.Faces)):
|
||||
print "face ",f,":"
|
||||
for v in shape.Faces[f].Vertexes:
|
||||
print " ",v.Point
|
||||
elif shape.Wires:
|
||||
for w in range(len(shape.Wires)):
|
||||
print "wire ",w,":"
|
||||
for v in shape.Wires[w].Vertexes:
|
||||
print " ",v.Point
|
||||
else:
|
||||
for v in shape.Vertexes:
|
||||
print " ",v.Point
|
||||
|
||||
def formatObject(target,origin=None):
|
||||
'''
|
||||
formatObject(targetObject,[originObject]): This function applies
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user