diff options
Diffstat (limited to 'release/scripts/uvcalc_smart_project.py')
| -rw-r--r-- | release/scripts/uvcalc_smart_project.py | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/release/scripts/uvcalc_smart_project.py b/release/scripts/uvcalc_smart_project.py index 37306cec531..5072315576c 100644 --- a/release/scripts/uvcalc_smart_project.py +++ b/release/scripts/uvcalc_smart_project.py @@ -4,7 +4,7 @@ Name: 'Unwrap (smart projections)' Blender: 240 Group: 'UVCalculation' -Tooltip: 'ArchiMap UV Unwrap mesh faces for all select mesh objects' +Tooltip: 'UV Unwrap mesh faces for all select mesh objects' """ @@ -20,7 +20,7 @@ selected faces, or all faces. """ # -------------------------------------------------------------------------- -# Archimap UV Projection Unwrapper v1.1 by Campbell Barton (AKA Ideasman) +# Smart Projection UV Projection Unwrapper v1.1 by Campbell Barton (AKA Ideasman) # -------------------------------------------------------------------------- # ***** BEGIN GPL LICENSE BLOCK ***** # @@ -870,6 +870,7 @@ def main(): USER_FILL_HOLES = Draw.Create(0) USER_FILL_HOLES_QUALITY = Draw.Create(50) # Only for hole filling. USER_VIEW_INIT = Draw.Create(0) # Only for hole filling. + USER_AREA_WEIGHT = Draw.Create(1) # Only for hole filling. pup_block = [\ @@ -877,14 +878,14 @@ def main(): ('Angle Limit:', USER_PROJECTION_LIMIT, 1, 89, 'lower for more projection groups, higher for less distortion.'),\ ('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.'),\ ('Island Margin:', USER_ISLAND_MARGIN, 0.0, 0.25, 'Margin to reduce bleed from adjacent islands.'),\ - '',\ - '',\ - '',\ - '',\ 'Fill in empty areas',\ ('Fill Holes', USER_FILL_HOLES, 'Fill in empty areas reduced texture waistage (slow).'),\ ('Fill Quality:', USER_FILL_HOLES_QUALITY, 1, 100, 'Depends on fill holes, how tightly to fill UV holes, (higher is slower)'),\ @@ -911,10 +912,11 @@ def main(): USER_ONLY_SELECTED_FACES = USER_ONLY_SELECTED_FACES.val USER_SHARE_SPACE = USER_SHARE_SPACE.val USER_STRETCH_ASPECT = USER_STRETCH_ASPECT.val - USER_ISLAND_MARGIN = USER_ISLAND_MARGIN.val * 10 + USER_ISLAND_MARGIN = USER_ISLAND_MARGIN.val USER_FILL_HOLES = USER_FILL_HOLES.val USER_FILL_HOLES_QUALITY = USER_FILL_HOLES_QUALITY.val USER_VIEW_INIT = USER_VIEW_INIT.val + USER_AREA_WEIGHT = USER_AREA_WEIGHT.val USER_PROJECTION_LIMIT_CONVERTED = cos(USER_PROJECTION_LIMIT * DEG_TO_RAD) USER_PROJECTION_LIMIT_HALF_CONVERTED = cos((USER_PROJECTION_LIMIT/2) * DEG_TO_RAD) @@ -950,11 +952,9 @@ def main(): if not meshFaces: continue - #print '\n\n\nArchimap UV Unwrapper, mapping "%s", %i faces.' % (me.name, len(meshFaces)) - Window.DrawProgressBar(0.1, 'Archimap UV Unwrapper, mapping "%s", %i faces.' % (me.name, len(meshFaces))) + Window.DrawProgressBar(0.1, 'SmartProj UV Unwrapper, mapping "%s", %i faces.' % (me.name, len(meshFaces))) - # ======= # Generate a projection list from face normals, this is ment to be smart :) @@ -988,7 +988,7 @@ def main(): projectVecs = [] newProjectVec = meshFaces[0].no - newProjectMeshFaces = [meshFaces[0]] # Popping stuffs it up. + newProjectMeshFaces = [] # Popping stuffs it up. # Predent that the most unique angke is ages away to start the loop off @@ -1007,14 +1007,26 @@ def main(): for fIdx in xrange(len(tempMeshFaces)-1, -1, -1): # Use half the angle limit so we dont overweight faces towards this # normal and hog all the faces. - #print newProjectVec if DotVecs(newProjectVec, tempMeshFaces[fIdx].no) > USER_PROJECTION_LIMIT_HALF_CONVERTED: newProjectMeshFaces.append(tempMeshFaces.pop(fIdx)) + # Add the average of all these faces normals as a projectionVec + averageVec = Vector(0,0,0) + if USER_AREA_WEIGHT: + for fprop in newProjectMeshFaces: + averageVec += (fprop.no * fprop.area) + else: + for fprop in newProjectMeshFaces: + averageVec += fprop.no + + if averageVec.x != 0 or averageVec.y != 0 or averageVec.z != 0: # Avoid NAN + projectVecs.append(averageVec.normalize()) + + # Get the next vec! # Pick the face thats most different to all existing angles :) mostUniqueAngle = 1.0 # 1.0 is 0d. no difference. - mostUniqueIndex = 0 # fake + mostUniqueIndex = 0 # dummy for fIdx in xrange(len(tempMeshFaces)-1, -1, -1): angleDifference = -1.0 # 180d difference. @@ -1033,21 +1045,16 @@ def main(): if mostUniqueAngle < USER_PROJECTION_LIMIT_CONVERTED: #print 'adding', mostUniqueAngle, USER_PROJECTION_LIMIT, len(newProjectMeshFaces) - newProjectVec = tempMeshFaces[mostUniqueIndex].no - newProjectMeshFaces = [tempMeshFaces.pop(mostUniqueIndex)] - - # Now weight the vector to all its faces, will give a more direct projection # if the face its self was not representive of the normal from surrounding faces. - averageVec = Vector(0,0,0) - for fprop in newProjectMeshFaces: - averageVec += (fprop.no * fprop.area) - if averageVec.x != 0 or averageVec.y != 0 or averageVec.z != 0: # Avoid NAN - projectVecs.append(averageVec.normalize()) + newProjectVec = tempMeshFaces[mostUniqueIndex].no + newProjectMeshFaces = [tempMeshFaces.pop(mostUniqueIndex)] + else: if len(projectVecs) >= 1: # Must have at least 2 projections + print len(projectVecs) break @@ -1087,13 +1094,11 @@ def main(): # Now faceProjectionGroupList is full of faces that face match the project Vecs list - i= len(projectVecs) - while i: - i-=1 + for i in xrange(len(projectVecs)): # Account for projectVecs having no faces. if not faceProjectionGroupList[i]: continue - + # Make a projection matrix from a unit length vector. MatProj = VectoMat(projectVecs[i]) @@ -1113,7 +1118,6 @@ def main(): # Should we pack the islands for this 1 object? islandList = getUvIslands(faceProjectionGroupList, me) packIslands(islandList) - # update the mesh here if we need to. @@ -1123,8 +1127,8 @@ def main(): Window.DrawProgressBar(0.9, "Box Packing for all objects...") packIslands(collected_islandList) - print "ArchiMap time: %.2f" % (sys.time() - time1) - Window.DrawProgressBar(0.9, "ArchiMap Done, time: %.2f sec." % (sys.time() - time1)) + print "Smart Projection time: %.2f" % (sys.time() - time1) + # Window.DrawProgressBar(0.9, "Smart Projections done, time: %.2f sec." % (sys.time() - time1)) Window.DrawProgressBar(1.0, "") Window.WaitCursor(0) |