[Bf-extensions-cvs] SVN commit: /data/svn/bf-extensions [1066] contrib/py/scripts/addons/ mesh_seam_from_uv_isles.py: matching Projects pages with Contrib content

[Brendon Murphy]

Revision: 1066
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-extensions&revision=1066
Author:   meta-androcto
Date:     2010-09-19 16:15:16 +0200 (Sun, 19 Sep 2010)

Log Message:
-----------
matching Projects pages with Contrib content

Added Paths:
-----------
    contrib/py/scripts/addons/mesh_seam_from_uv_isles.py

Added: contrib/py/scripts/addons/mesh_seam_from_uv_isles.py
===================================================================
--- contrib/py/scripts/addons/mesh_seam_from_uv_isles.py	                        (rev 0)
+++ contrib/py/scripts/addons/mesh_seam_from_uv_isles.py	2010-09-19 14:15:16 UTC (rev 1066)
@@ -0,0 +1,100 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+bl_addon_info = {
+	'name': 'Mesh: Seam from uv isles',
+	'author': 'Fredrik Hansson',
+	'version': '1.01  2010/08/25',
+	'blender': (2, 5, 3),
+	'location': 'UV/Image editor> UVs > Seam from UV isles ',
+	'warning': '', # used for warning icon and text in addons panel
+	'description': 'Marks seams based on UV isles',
+	'wiki_url': 'http://wiki.blender.org/index.php/Extensions:2.5/Py/'\
+		'Scripts/Modeling/Seams_from_uv_isles' ,
+	'tracker_url': 'https://projects.blender.org/tracker/index.php?'\
+		'func=detail&aid=22929&group_id=153&atid=467',
+	'category': 'Mesh'}
+
+import bpy
+
+def main(context):
+	obj = context.active_object
+	mesh = obj.data
+
+	if not obj or obj.type != 'MESH':
+		print("no active Mesh")
+		return 
+	if not mesh.uv_textures.active:
+		print("no active UV Texture")
+		return 
+	bpy.ops.object.mode_set(mode='OBJECT')
+
+
+	uvtex=mesh.uv_textures.active.data
+	
+	wrap_q = [1,2,3,0]
+	wrap_t = [1,2,0]
+	edge_uvs = {}
+
+	for i,uvface in enumerate(uvtex):
+		f=mesh.faces[i]
+		f_uv = [(round(uv[0], 6), round(uv[1], 6)) for uv in uvface.uv]
+		f_vi = [vertices for vertices in f.vertices]
+		for i, key in enumerate(f.edge_keys):
+			if len(f.vertices)==3:
+				uv1, uv2 = f_uv[i], f_uv[wrap_t[i]]
+				vi1, vi2 = f_vi[i], f_vi[wrap_t[i]]
+			else: # quad
+				uv1, uv2 = f_uv[i], f_uv[wrap_q[i]]
+				vi1, vi2 = f_vi[i], f_vi[wrap_q[i]]
+				
+			if vi1 > vi2: vi1,uv1,uv2 = vi2,uv2,uv1
+			
+			edge_uvs.setdefault(key, []).append((uv1, uv2))
+
+	for ed in mesh.edges:
+			if(len(set(edge_uvs[ed.key])) > 1):
+				ed.use_seam=1	
+
+	bpy.ops.object.mode_set(mode='EDIT')
+
+class UvIsleSeamsOperator(bpy.types.Operator):
+	''''''
+	bl_idname = "mesh.seam_from_uv_isles"
+	bl_label = "Seams from UV isles"
+	bl_options = {'REGISTER', 'UNDO'}
+
+#  def poll(self, context):
+#	   obj = context.active_object
+#		return (obj and obj.type == 'MESH')
+
+	def execute(self, context):
+		main(context)
+		return {'FINISHED'}
+
+def uvseam_menu_function(self, context): 
+	self.layout.operator(UvIsleSeamsOperator.bl_idname,text="Seams from UV isles",icon='PLUGIN')
+
+def register():
+	bpy.types.IMAGE_MT_uvs.append(uvseam_menu_function)
+ 
+def unregister():
+	bpy.types.IMAGE_MT_uvs.remove(uvseam_menu_function)
+ 
+if __name__ == "__main__":
+	register()
\ No newline at end of file