Revision: 21026
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=21026
Author: kazanbas
Date: 2009-06-20 07:52:19 +0200 (Sat, 20 Jun 2009)
Log Message:
-----------
- tweak Object.create_render_mesh params
- svn merge -r 20124:20998 \
https://svn.blender.org/svnroot/bf-blender/branches/blender2.5/blender/release/scripts/export_obj.py
\
export_obj-2.5.py to make sure I don't miss new OBJ exporter features ;)
Modified Paths:
--------------
branches/soc-2009-kazanbas/release/scripts/export_obj-2.5.py
branches/soc-2009-kazanbas/source/blender/makesrna/intern/rna_object_api.c
Modified: branches/soc-2009-kazanbas/release/scripts/export_obj-2.5.py
===================================================================
--- branches/soc-2009-kazanbas/release/scripts/export_obj-2.5.py
2009-06-20 05:16:09 UTC (rev 21025)
+++ branches/soc-2009-kazanbas/release/scripts/export_obj-2.5.py
2009-06-20 05:52:19 UTC (rev 21026)
@@ -7,9 +7,9 @@
Tooltip: 'Save a Wavefront OBJ File'
"""
-__author__ = "Campbell Barton, Jiri Hnidek"
+__author__ = "Campbell Barton, Jiri Hnidek, Paolo Ciccone"
__url__ =
['http://wiki.blender.org/index.php/Scripts/Manual/Export/wavefront_obj',
'www.blender.org', 'blenderartists.org']
-__version__ = "1.2"
+__version__ = "1.21"
__bpydoc__ = """\
This script is an exporter to OBJ file format.
@@ -184,12 +184,89 @@
copyCount+=1
print '\tCopied %d images' % copyCount
-def write(filename, objects,
- EXPORT_TRI=False, EXPORT_EDGES=False,
- EXPORT_NORMALS=False, EXPORT_NORMALS_HQ=False,
- EXPORT_UV=True, EXPORT_MTL=True,
EXPORT_COPY_IMAGES=False,
- EXPORT_APPLY_MODIFIERS=True, EXPORT_ROTX90=True,
EXPORT_BLEN_OBS=True,
- EXPORT_GROUP_BY_OB=False, EXPORT_GROUP_BY_MAT=False,
EXPORT_KEEP_VERT_ORDER=False):
+
+def test_nurbs_compat(ob):
+ if ob.type != 'Curve':
+ return False
+
+ for nu in ob.data:
+ if (not nu.knotsV) and nu.type != 1: # not a surface and not
bezier
+ return True
+
+ return False
+
+def write_nurb(file, ob, ob_mat):
+ tot_verts = 0
+ cu = ob.data
+
+ # use negative indices
+ Vector = Blender.Mathutils.Vector
+ for nu in cu:
+
+ if nu.type==0: DEG_ORDER_U = 1
+ else: DEG_ORDER_U = nu.orderU-1 #
Tested to be correct
+
+ if nu.type==1:
+ print "\tWarning, bezier curve:", ob.name, "only poly
and nurbs curves supported"
+ continue
+
+ if nu.knotsV:
+ print "\tWarning, surface:", ob.name, "only poly and
nurbs curves supported"
+ continue
+
+ if len(nu) <= DEG_ORDER_U:
+ print "\tWarning, orderU is lower then vert count,
skipping:", ob.name
+ continue
+
+ pt_num = 0
+ do_closed = (nu.flagU & 1)
+ do_endpoints = (do_closed==0) and (nu.flagU & 2)
+
+ for pt in nu:
+ pt = Vector(pt[0], pt[1], pt[2]) * ob_mat
+ file.write('v %.6f %.6f %.6f\n' % (pt[0], pt[1], pt[2]))
+ pt_num += 1
+ tot_verts += pt_num
+
+ file.write('g %s\n' % (fixName(ob.name))) #
fixName(ob.getData(1)) could use the data name too
+ file.write('cstype bspline\n') # not ideal, hard coded
+ file.write('deg %d\n' % DEG_ORDER_U) # not used for curves but
most files have it still
+
+ curve_ls = [-(i+1) for i in xrange(pt_num)]
+
+ # 'curv' keyword
+ if do_closed:
+ if DEG_ORDER_U == 1:
+ pt_num += 1
+ curve_ls.append(-1)
+ else:
+ pt_num += DEG_ORDER_U
+ curve_ls = curve_ls + curve_ls[0:DEG_ORDER_U]
+
+ file.write('curv 0.0 1.0 %s\n' % (' '.join( [str(i) for i in
curve_ls] ))) # Blender has no U and V values for the curve
+
+ # 'parm' keyword
+ tot_parm = (DEG_ORDER_U + 1) + pt_num
+ tot_parm_div = float(tot_parm-1)
+ parm_ls = [(i/tot_parm_div) for i in xrange(tot_parm)]
+
+ if do_endpoints: # end points, force param
+ for i in xrange(DEG_ORDER_U+1):
+ parm_ls[i] = 0.0
+ parm_ls[-(1+i)] = 1.0
+
+ file.write('parm u %s\n' % ' '.join( [str(i) for i in parm_ls]
))
+
+ file.write('end\n')
+
+ return tot_verts
+
+def write(filename, objects,\
+EXPORT_TRI=False, EXPORT_EDGES=False, EXPORT_NORMALS=False,
EXPORT_NORMALS_HQ=False,\
+EXPORT_UV=True, EXPORT_MTL=True, EXPORT_COPY_IMAGES=False,\
+EXPORT_APPLY_MODIFIERS=True, EXPORT_ROTX90=True, EXPORT_BLEN_OBS=True,\
+EXPORT_GROUP_BY_OB=False, EXPORT_GROUP_BY_MAT=False,
EXPORT_KEEP_VERT_ORDER=False,\
+EXPORT_POLYGROUPS=False, EXPORT_CURVE_AS_NURBS=True):
'''
Basic write function. The context and options must be alredy set
This can be accessed externaly
@@ -203,6 +280,29 @@
def veckey2d(v):
return round(v.x, 6), round(v.y, 6)
+ def findVertexGroupName(face, vWeightMap):
+ """
+ Searches the vertexDict to see what groups is assigned to a
given face.
+ We use a frequency system in order to sort out the name because
a given vetex can
+ belong to two or more groups at the same time. To find the
right name for the face
+ we list all the possible vertex group names with their
frequency and then sort by
+ frequency in descend order. The top element is the one shared
by the highest number
+ of vertices is the face's group
+ """
+ weightDict = {}
+ for vert in face:
+ vWeights = vWeightMap[vert.index]
+ for vGroupName, weight in vWeights:
+ weightDict[vGroupName] =
weightDict.get(vGroupName, 0) + weight
+
+ if weightDict:
+ alist = [(weight,vGroupName) for vGroupName, weight in
weightDict.iteritems()] # sort least to greatest amount of weight
+ alist.sort()
+ return(alist[-1][1]) # highest value last
+ else:
+ return '(null)'
+
+
print 'OBJ Export path: "%s"' % filename
temp_mesh_name = '~tmp-mesh'
@@ -248,12 +348,23 @@
globalNormals = {}
- # Get all meshs
+ # Get all meshes
for ob_main in objects:
for ob, ob_mat in BPyObject.getDerivedObjects(ob_main):
+
+ # Nurbs curve support
+ if EXPORT_CURVE_AS_NURBS and test_nurbs_compat(ob):
+ if EXPORT_ROTX90:
+ ob_mat = ob_mat * mat_xrot90
+
+ totverts += write_nurb(file, ob, ob_mat)
+
+ continue
+ # end nurbs
+
# Will work for non meshes now! :)
# getMeshFromObject(ob, container_mesh=None,
apply_modifiers=True, vgroups=True, scn=None)
- me= BPyMesh.getMeshFromObject(ob, containerMesh,
EXPORT_APPLY_MODIFIERS, False, scn)
+ me= BPyMesh.getMeshFromObject(ob, containerMesh,
EXPORT_APPLY_MODIFIERS, EXPORT_POLYGROUPS, scn)
if not me:
continue
@@ -406,6 +517,17 @@
if not faceuv:
f_image = None
+ if EXPORT_POLYGROUPS:
+ # Retrieve the list of vertex groups
+ vertGroupNames = me.getVertGroupNames()
+
+ currentVGroup = ''
+ # Create a dictionary keyed by face id and
listing, for each vertex, the vertex groups it belongs to
+ vgroupsMap = [[] for _i in
xrange(len(me.verts))]
+ for vertexGroupName in vertGroupNames:
+ for vIdx, vWeight in
me.getVertsFromGroup(vertexGroupName, 1):
+
vgroupsMap[vIdx].append((vertexGroupName, vWeight))
+
for f_index, f in enumerate(faces):
f_v= f.v
f_smooth= f.smooth
@@ -420,9 +542,18 @@
else:
key = materialNames[f_mat], None #
No image, use None instead.
+ # Write the vertex group
+ if EXPORT_POLYGROUPS:
+ if vertGroupNames:
+ # find what vertext group the
face belongs to
+ theVGroup =
findVertexGroupName(f,vgroupsMap)
+ if theVGroup !=
currentVGroup:
+ currentVGroup =
theVGroup
+ file.write('g %s\n' %
theVGroup)
+
# CHECK FOR CONTEXT SWITCH
if key == contextMat:
- pass # Context alredy switched, dont do
anythoing
+ pass # Context alredy switched, dont do
anything
else:
if key[0] == None and key[1] == None:
# Write a null material, since
we know the context has changed.
@@ -447,6 +578,7 @@
if EXPORT_GROUP_BY_MAT:
file.write('g
%s_%s_%s\n' % (fixName(ob.name), fixName(ob.getData(1)), mat_data[0]) ) # can
be mat_image or (null)
+
file.write('usemtl %s\n' %
mat_data[0]) # can be mat_image or (null)
contextMat = key
@@ -548,7 +680,8 @@
EXPORT_NORMALS, EXPORT_NORMALS_HQ, EXPORT_UV,\
EXPORT_MTL, EXPORT_SEL_ONLY, EXPORT_ALL_SCENES,\
EXPORT_ANIMATION, EXPORT_COPY_IMAGES, EXPORT_BLEN_OBS,\
- EXPORT_GROUP_BY_OB, EXPORT_GROUP_BY_MAT, EXPORT_KEEP_VERT_ORDER
+ EXPORT_GROUP_BY_OB, EXPORT_GROUP_BY_MAT,
EXPORT_KEEP_VERT_ORDER,\
+ EXPORT_POLYGROUPS, EXPORT_CURVE_AS_NURBS
EXPORT_APPLY_MODIFIERS = Draw.Create(0)
EXPORT_ROTX90 = Draw.Create(1)
@@ -566,7 +699,10 @@
EXPORT_GROUP_BY_OB = Draw.Create(0)
EXPORT_GROUP_BY_MAT = Draw.Create(0)
EXPORT_KEEP_VERT_ORDER = Draw.Create(1)
+ EXPORT_POLYGROUPS = Draw.Create(0)
+ EXPORT_CURVE_AS_NURBS = Draw.Create(1)
+
# Old UI
'''
# removed too many options are bad!
@@ -616,7 +752,7 @@
GLOBALS['EVENT'] = e
def do_split(e,v):
- global EXPORT_BLEN_OBS, EXPORT_GROUP_BY_OB,
EXPORT_GROUP_BY_MAT, EXPORT_APPLY_MODIFIERS, KEEP_VERT_ORDER
+ global EXPORT_BLEN_OBS, EXPORT_GROUP_BY_OB,
EXPORT_GROUP_BY_MAT, EXPORT_APPLY_MODIFIERS, KEEP_VERT_ORDER, EXPORT_POLYGROUPS
if EXPORT_BLEN_OBS.val or EXPORT_GROUP_BY_OB.val or
EXPORT_GROUP_BY_MAT.val or EXPORT_APPLY_MODIFIERS.val:
EXPORT_KEEP_VERT_ORDER.val = 0
else:
@@ -630,6 +766,7 @@
if not (EXPORT_BLEN_OBS.val or
EXPORT_GROUP_BY_OB.val or EXPORT_GROUP_BY_MAT.val or
EXPORT_APPLY_MODIFIERS.val):
EXPORT_KEEP_VERT_ORDER.val = 1
+
def do_help(e,v):
url = __url__[0]
print 'Trying to open web browser with documentation at
this address...'
@@ -646,45 +783,49 @@
# Center based on overall pup size
ui_x -= 165
- ui_y -= 110
+ ui_y -= 140
global EXPORT_APPLY_MODIFIERS, EXPORT_ROTX90,
EXPORT_TRI, EXPORT_EDGES,\
EXPORT_NORMALS, EXPORT_NORMALS_HQ, EXPORT_UV,\
EXPORT_MTL, EXPORT_SEL_ONLY, EXPORT_ALL_SCENES,\
EXPORT_ANIMATION, EXPORT_COPY_IMAGES,
EXPORT_BLEN_OBS,\
- EXPORT_GROUP_BY_OB, EXPORT_GROUP_BY_MAT,
EXPORT_KEEP_VERT_ORDER
+ EXPORT_GROUP_BY_OB, EXPORT_GROUP_BY_MAT,
EXPORT_KEEP_VERT_ORDER,\
+ EXPORT_POLYGROUPS, EXPORT_CURVE_AS_NURBS
- Draw.Label('Context...', ui_x+9, ui_y+209, 220, 20)
+ Draw.Label('Context...', ui_x+9, ui_y+239, 220, 20)
Draw.BeginAlign()
- EXPORT_SEL_ONLY = Draw.Toggle('Selection Only',
EVENT_NONE, ui_x+9, ui_y+189, 110, 20, EXPORT_SEL_ONLY.val, 'Only export
objects in visible selection. Else export whole scene.')
- EXPORT_ALL_SCENES = Draw.Toggle('All Scenes',
EVENT_NONE, ui_x+119, ui_y+189, 110, 20, EXPORT_ALL_SCENES.val, 'Each scene as
a separate OBJ file.')
- EXPORT_ANIMATION = Draw.Toggle('Animation', EVENT_NONE,
ui_x+229, ui_y+189, 110, 20, EXPORT_ANIMATION.val, 'Each frame as a numbered
OBJ file.')
+ EXPORT_SEL_ONLY = Draw.Toggle('Selection Only',
EVENT_NONE, ui_x+9, ui_y+219, 110, 20, EXPORT_SEL_ONLY.val, 'Only export
objects in visible selection. Else export whole scene.')
+ EXPORT_ALL_SCENES = Draw.Toggle('All Scenes',
EVENT_NONE, ui_x+119, ui_y+219, 110, 20, EXPORT_ALL_SCENES.val, 'Each scene as
a separate OBJ file.')
+ EXPORT_ANIMATION = Draw.Toggle('Animation', EVENT_NONE,
ui_x+229, ui_y+219, 110, 20, EXPORT_ANIMATION.val, 'Each frame as a numbered
OBJ file.')
Draw.EndAlign()
- Draw.Label('Output Options...', ui_x+9, ui_y+159, 220,
20)
@@ Diff output truncated at 10240 characters. @@
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