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authorCampbell Barton <ideasman42@gmail.com>2006-07-27 18:17:15 +0400
committerCampbell Barton <ideasman42@gmail.com>2006-07-27 18:17:15 +0400
commit671a7b8e495ee54fd6c595520cd24c85b3817163 (patch)
tree54046be02c455e3cd21e93cf34803d48ff9a0f1d /release
parente360cbf62b3eee6b2c3a1e2f52603f98eb02cb02 (diff)
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.
Diffstat (limited to 'release')
-rw-r--r--release/scripts/off_import.py136
1 files changed, 93 insertions, 43 deletions
diff --git a/release/scripts/off_import.py b/release/scripts/off_import.py
index 452a91ffc5f..4a874d58952 100644
--- a/release/scripts/off_import.py
+++ b/release/scripts/off_import.py
@@ -2,12 +2,12 @@
"""
Name: 'DEC Object File Format (.off)...'
-Blender: 232
+Blender: 242
Group: 'Import'
Tooltip: 'Import DEC Object File Format (*.off)'
"""
-__author__ = "Anthony D'Agostino (Scorpius)"
+__author__ = "Anthony D'Agostino (Scorpius), Campbell Barton (Ideasman)"
__url__ = ("blender", "elysiun",
"Author's homepage, http://www.redrival.com/scorpius")
__version__ = "Part of IOSuite 0.5"
@@ -26,7 +26,9 @@ Usage:<br>
open.
Notes:<br>
- UV Coordinate support has been added.
+ UV Coordinate support has been added. - Scorpius
+ FGON support has been added. - Cam
+ New Mesh module now used. - Cam
"""
# $Id:
@@ -57,65 +59,113 @@ Notes:<br>
#
# ***** END GPL LICENCE BLOCK *****
-import Blender, meshtools
-#import time
+import Blender
+
# =============================
# ====== Read OFF Format ======
# =============================
def read(filename):
- #start = time.clock()
+ start = Blender.sys.time()
file = open(filename, "rb")
- verts = []
+ verts = [] # verts and uvs are aligned
+ uvs = []
+
faces = []
- uv = []
-
+
# === OFF Header ===
- offheader = file.readline()
- numverts, numfaces, null = file.readline().split()
- numverts = int(numverts)
- numfaces = int(numfaces)
+ # Skip the comments
+ offheader= file.readline()
+ while offheader.startswith('#'):
+ offheader = file.readline()
+
+ numverts, numfaces, numedges= map(int, offheader.split())
if offheader.find('ST') >= 0:
has_uv = True
+ Vector= Mathutils.Vector
else:
has_uv = False
# === Vertex List ===
- for i in range(numverts):
- if not i%100 and meshtools.show_progress:
- Blender.Window.DrawProgressBar(float(i)/numverts, "Reading Verts")
+ for i in xrange(numverts):
if has_uv:
x, y, z, u, v = map(float, file.readline().split())
- uv.append((u, v))
+ uvs.append(Vector(u, v))
else:
x, y, z = map(float, file.readline().split())
verts.append((x, y, z))
# === Face List ===
- for i in range(numfaces):
- if not i%100 and meshtools.show_progress:
- Blender.Window.DrawProgressBar(float(i)/numfaces, "Reading Faces")
- line = file.readline().split()
- numfaceverts = len(line)-1
- facev = []
- for j in range(numfaceverts):
- index = int(line[j+1])
- facev.append(index)
- facev.reverse()
- faces.append(facev)
-
- objname = Blender.sys.splitext(Blender.sys.basename(filename))[0]
-
- meshtools.create_mesh(verts, faces, objname, faces, uv)
- Blender.Window.DrawProgressBar(1.0, '') # clear progressbar
- file.close()
- #end = time.clock()
- #seconds = " in %.2f %s" % (end-start, "seconds")
- message = "Successfully imported " + Blender.sys.basename(filename)# + seconds
- meshtools.print_boxed(message)
-
-def fs_callback(filename):
- read(filename)
-
-Blender.Window.FileSelector(fs_callback, "Import OFF")
+ def fan_face(face):
+ # 'Elp, Only fan fill- if were keen we could use our trusty BPyMesh.ngon function
+ # So far I havnt seen any big ngons in on off file - Cam
+ return [ (face[0], face[i-1], face[i]) for i in xrange(2,len(face))]
+
+ for i in xrange(numfaces):
+ line = file.readline().split() # ignore the first value, its just the face count but we can work that out anyway
+
+
+ # appends all the indicies in reverse order except 0
+ # xrange(len(line)-1, -1, -1) # normal reverse loop
+ # xrange(len(line)-1, 0, -1) # ignoring index 0 because its only a count
+ face= [int(line[j]) for j in xrange(len(line)-1, 0, -1)]
+ if len(face)>4:
+ faces.extend( fan_face(face) )
+ else:
+ faces.append(face)
+
+ scn= Blender.Scene.GetCurrent()
+ name= filename.split('/')[-1].split('\\')[-1].split('.')[0]
+ me= Blender.Mesh.New(name)
+ me.verts.extend(verts)
+ me.faces.extend(faces)
+
+ # Now edges if we have them, render fgon
+ if numedges:
+ FGON_FLAG= Blender.Mesh.EdgeFlags.FGON
+
+ edge_dict= {}
+ # Set all edges to be fgons by default
+ for ed in me.edges:
+ ed.flag |= FGON_FLAG
+ i1= ed.v1.index
+ i2= ed.v2.index
+ if i1>i2:
+ i1,i2= i2,i1
+
+ edge_dict[i1,i2]= ed
+
+ # Now make known edges fisible
+ for i in xrange(numedges):
+ i1,i2= file.readline().split()
+ i1= int(i1)
+ i2= int(i2)
+ if i1>i2:
+ i1,i2= i2,i1
+
+ # We know this edge is seen so unset the fgon flag
+ edge_dict[i1,i2].flag &= ~FGON_FLAG
+
+
+ # Assign uvs from vert index
+ if has_uv:
+ for f in me.faces:
+ f_uv= f.uv
+ for i, v in enumerate(f): # same as f.v
+ f_uv[i]= uvs[v.index]
+
+ for ob in scn.getChildren():
+ ob.sel=0
+
+ ob= Blender.Object.New('Mesh', name)
+ ob.link(me)
+ scn.link(ob)
+ ob.Layers= scn.Layers
+ ob.sel= 1
+ Blender.Window.RedrawAll()
+ print 'Off "%s" imported in %.4f seconds.' % (name, Blender.sys.time()-start)
+
+
+if __name__=='__main__':
+ Blender.Window.FileSelector(read, 'Import OFF', '*.off')