forked from bartvdbraak/blender
Moved this importer to the Mesh module and dropped meshtools dep's
Now imports ngons as fgons and dosent mess up with '#' comments at the start of the file.
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@ -2,12 +2,12 @@
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"""
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Name: 'DEC Object File Format (.off)...'
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Blender: 232
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Blender: 242
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Group: 'Import'
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Tooltip: 'Import DEC Object File Format (*.off)'
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"""
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__author__ = "Anthony D'Agostino (Scorpius)"
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__author__ = "Anthony D'Agostino (Scorpius), Campbell Barton (Ideasman)"
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__url__ = ("blender", "elysiun",
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"Author's homepage, http://www.redrival.com/scorpius")
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__version__ = "Part of IOSuite 0.5"
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@ -26,7 +26,9 @@ Usage:<br>
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open.
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Notes:<br>
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UV Coordinate support has been added.
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UV Coordinate support has been added. - Scorpius
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FGON support has been added. - Cam
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New Mesh module now used. - Cam
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"""
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# $Id:
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@ -57,65 +59,113 @@ Notes:<br>
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#
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# ***** END GPL LICENCE BLOCK *****
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import Blender, meshtools
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#import time
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import Blender
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# =============================
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# ====== Read OFF Format ======
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# =============================
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def read(filename):
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#start = time.clock()
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start = Blender.sys.time()
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file = open(filename, "rb")
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verts = []
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verts = [] # verts and uvs are aligned
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uvs = []
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faces = []
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uv = []
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# === OFF Header ===
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offheader = file.readline()
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numverts, numfaces, null = file.readline().split()
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numverts = int(numverts)
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numfaces = int(numfaces)
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# Skip the comments
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offheader= file.readline()
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while offheader.startswith('#'):
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offheader = file.readline()
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numverts, numfaces, numedges= map(int, offheader.split())
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if offheader.find('ST') >= 0:
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has_uv = True
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Vector= Mathutils.Vector
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else:
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has_uv = False
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# === Vertex List ===
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for i in range(numverts):
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if not i%100 and meshtools.show_progress:
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Blender.Window.DrawProgressBar(float(i)/numverts, "Reading Verts")
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for i in xrange(numverts):
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if has_uv:
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x, y, z, u, v = map(float, file.readline().split())
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uv.append((u, v))
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uvs.append(Vector(u, v))
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else:
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x, y, z = map(float, file.readline().split())
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verts.append((x, y, z))
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# === Face List ===
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for i in range(numfaces):
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if not i%100 and meshtools.show_progress:
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Blender.Window.DrawProgressBar(float(i)/numfaces, "Reading Faces")
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line = file.readline().split()
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numfaceverts = len(line)-1
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facev = []
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for j in range(numfaceverts):
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index = int(line[j+1])
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facev.append(index)
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facev.reverse()
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faces.append(facev)
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def fan_face(face):
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# 'Elp, Only fan fill- if were keen we could use our trusty BPyMesh.ngon function
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# So far I havnt seen any big ngons in on off file - Cam
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return [ (face[0], face[i-1], face[i]) for i in xrange(2,len(face))]
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for i in xrange(numfaces):
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line = file.readline().split() # ignore the first value, its just the face count but we can work that out anyway
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# appends all the indicies in reverse order except 0
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# xrange(len(line)-1, -1, -1) # normal reverse loop
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# xrange(len(line)-1, 0, -1) # ignoring index 0 because its only a count
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face= [int(line[j]) for j in xrange(len(line)-1, 0, -1)]
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if len(face)>4:
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faces.extend( fan_face(face) )
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else:
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faces.append(face)
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scn= Blender.Scene.GetCurrent()
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name= filename.split('/')[-1].split('\\')[-1].split('.')[0]
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me= Blender.Mesh.New(name)
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me.verts.extend(verts)
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me.faces.extend(faces)
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# Now edges if we have them, render fgon
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if numedges:
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FGON_FLAG= Blender.Mesh.EdgeFlags.FGON
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edge_dict= {}
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# Set all edges to be fgons by default
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for ed in me.edges:
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ed.flag |= FGON_FLAG
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i1= ed.v1.index
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i2= ed.v2.index
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if i1>i2:
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i1,i2= i2,i1
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edge_dict[i1,i2]= ed
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# Now make known edges fisible
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for i in xrange(numedges):
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i1,i2= file.readline().split()
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i1= int(i1)
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i2= int(i2)
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if i1>i2:
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i1,i2= i2,i1
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# We know this edge is seen so unset the fgon flag
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edge_dict[i1,i2].flag &= ~FGON_FLAG
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# Assign uvs from vert index
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if has_uv:
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for f in me.faces:
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f_uv= f.uv
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for i, v in enumerate(f): # same as f.v
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f_uv[i]= uvs[v.index]
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for ob in scn.getChildren():
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ob.sel=0
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ob= Blender.Object.New('Mesh', name)
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ob.link(me)
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scn.link(ob)
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ob.Layers= scn.Layers
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ob.sel= 1
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Blender.Window.RedrawAll()
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print 'Off "%s" imported in %.4f seconds.' % (name, Blender.sys.time()-start)
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objname = Blender.sys.splitext(Blender.sys.basename(filename))[0]
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meshtools.create_mesh(verts, faces, objname, faces, uv)
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Blender.Window.DrawProgressBar(1.0, '') # clear progressbar
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file.close()
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#end = time.clock()
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#seconds = " in %.2f %s" % (end-start, "seconds")
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message = "Successfully imported " + Blender.sys.basename(filename)# + seconds
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meshtools.print_boxed(message)
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def fs_callback(filename):
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read(filename)
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Blender.Window.FileSelector(fs_callback, "Import OFF")
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if __name__=='__main__':
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Blender.Window.FileSelector(read, 'Import OFF', '*.off')
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