[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [37889] trunk/blender/release/scripts/ startup/bl_operators/uvcalc_smart_project.py: fix [#27787] Smart UV Unwrap Results in Overlaps
Campbell Barton
ideasman42 at gmail.com
Tue Jun 28 08:51:56 CEST 2011
Revision: 37889
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=37889
Author: campbellbarton
Date: 2011-06-28 06:51:55 +0000 (Tue, 28 Jun 2011)
Log Message:
-----------
fix [#27787] Smart UV Unwrap Results in Overlaps
added optional face area weighting (from 2.4x) since this can result in overlapping faces.
Modified Paths:
--------------
trunk/blender/release/scripts/startup/bl_operators/uvcalc_smart_project.py
Modified: trunk/blender/release/scripts/startup/bl_operators/uvcalc_smart_project.py
===================================================================
--- trunk/blender/release/scripts/startup/bl_operators/uvcalc_smart_project.py 2011-06-28 05:17:17 UTC (rev 37888)
+++ trunk/blender/release/scripts/startup/bl_operators/uvcalc_smart_project.py 2011-06-28 06:51:55 UTC (rev 37889)
@@ -746,15 +746,17 @@
uv.y= (uv.y+yoffset) * yfactor
-
def VectoQuat(vec):
- vec = vec.normalized()
- if abs(vec.x) > 0.5:
- return vec.to_track_quat('Z', 'X')
- else:
- return vec.to_track_quat('Z', 'Y')
+ a3 = vec.normalized()
+ up = Vector((0.0, 0.0, 1.0))
+ if abs(a3.dot(up)) == 1.0:
+ up = Vector((0.0, 1.0, 0.0))
+ a1 = a3.cross(up).normalized()
+ a2 = a3.cross(a1)
+ return Matrix((a1, a2, a3)).to_quaternion()
+
class thickface(object):
__slost__= 'v', 'uv', 'no', 'area', 'edge_keys'
def __init__(self, face, uvface, mesh_verts):
@@ -791,7 +793,11 @@
global ob
ob = None
-def main(context, island_margin, projection_limit):
+def main(context,
+ island_margin,
+ projection_limit,
+ user_area_weight,
+ ):
global USER_FILL_HOLES
global USER_FILL_HOLES_QUALITY
global USER_STRETCH_ASPECT
@@ -844,7 +850,6 @@
USER_FILL_HOLES = (0)
USER_FILL_HOLES_QUALITY = (50) # Only for hole filling.
USER_VIEW_INIT = (0) # Only for hole filling.
- USER_AREA_WEIGHT = (1) # Only for hole filling.
# Reuse variable
if len(obList) == 1:
@@ -970,12 +975,15 @@
# Add the average of all these faces normals as a projectionVec
averageVec = Vector((0.0, 0.0, 0.0))
- if USER_AREA_WEIGHT:
+ if user_area_weight == 0.0:
for fprop in newProjectMeshFaces:
- averageVec += (fprop.no * fprop.area)
+ averageVec += fprop.no
+ elif user_area_weight == 1.0:
+ for fprop in newProjectMeshFaces:
+ averageVec += fprop.no * fprop.area
else:
for fprop in newProjectMeshFaces:
- averageVec += fprop.no
+ averageVec += fprop.no * ((fprop.area * user_area_weight) + (1.0 - user_area_weight))
if averageVec.x != 0 or averageVec.y != 0 or averageVec.z != 0: # Avoid NAN
projectVecs.append(averageVec.normalized())
@@ -1062,7 +1070,7 @@
f_uv = f.uv
for j, v in enumerate(f.v):
# XXX - note, between mathutils in 2.4 and 2.5 the order changed.
- f_uv[j][:] = (v.co * MatQuat)[:2]
+ f_uv[j][:] = (v.co * MatQuat).xy
if USER_SHARE_SPACE:
@@ -1098,13 +1106,9 @@
"""
pup_block = [\
'Projection',\
-* ('Angle Limit:', USER_PROJECTION_LIMIT, 1, 89, ''),\
('Selected Faces Only', USER_ONLY_SELECTED_FACES, 'Use only selected faces from all selected meshes.'),\
('Init from view', USER_VIEW_INIT, 'The first projection will be from the view vector.'),\
- ('Area Weight', USER_AREA_WEIGHT, 'Weight projections vector by face area.'),\
'',\
- '',\
- '',\
'UV Layout',\
('Share Tex Space', USER_SHARE_SPACE, 'Objects Share texture space, map all objects into 1 uvmap.'),\
('Stretch to bounds', USER_STRETCH_ASPECT, 'Stretch the final output to texture bounds.'),\
@@ -1125,19 +1129,27 @@
bl_options = {'REGISTER', 'UNDO'}
angle_limit = FloatProperty(name="Angle Limit",
- description="lower for more projection groups, higher for less distortion.",
+ description="lower for more projection groups, higher for less distortion",
default=66.0, min=1.0, max=89.0)
island_margin = FloatProperty(name="Island Margin",
- description="Margin to reduce bleed from adjacent islands.",
+ description="Margin to reduce bleed from adjacent islands",
default=0.0, min=0.0, max=1.0)
+ user_area_weight = FloatProperty(name="Area Weight",
+ description="Weight projections vector by faces with larger areas",
+ default=0.0, min=0.0, max=1.0)
+
@classmethod
def poll(cls, context):
return context.active_object != None
def execute(self, context):
- main(context, self.island_margin, self.angle_limit)
+ main(context,
+ self.island_margin,
+ self.angle_limit,
+ self.user_area_weight,
+ )
return {'FINISHED'}
def invoke(self, context, event):
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