[Bf-extensions-cvs] SVN commit: /data/svn/bf-extensions [499] contrib/py/scripts/addons/ index_visualiser_22.py: addons/index_visualiser_22.py
Brendon Murphy
meta.androcto1 at gmail.com
Tue Mar 23 18:37:12 CET 2010
Revision: 499
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-extensions&revision=499
Author: meta-androcto
Date: 2010-03-23 18:37:11 +0100 (Tue, 23 Mar 2010)
Log Message:
-----------
addons/index_visualiser_22.py
add to contrib/py/scripts/addons/index_visualiser_22.py
Added Paths:
-----------
contrib/py/scripts/addons/index_visualiser_22.py
Added: contrib/py/scripts/addons/index_visualiser_22.py
===================================================================
--- contrib/py/scripts/addons/index_visualiser_22.py (rev 0)
+++ contrib/py/scripts/addons/index_visualiser_22.py 2010-03-23 17:37:11 UTC (rev 499)
@@ -0,0 +1,179 @@
+# ##### 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": "Index Visualiser",
+ "author": "Bartius Crouch",
+ "version": "2.2 2010/03/16",
+ "blender": "2.5.2",
+ "category": "3d View",
+ "location": "View3D > properties panel > display tab",
+ "url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/Scripts/Index_Visualiser",
+ "doc": """\
+Display the indices of vertices, edges and faces in the 3d-view.
+
+How to use:
+- Select a mesh and go into editmode
+- Display the properties panel (N-key)
+- Go to the Display tab (4th tab), it helps to fold the tabs above it
+- Press the 'Visualise indices button'
+
+"""}
+
+
+import bgl, blf, bpy, Mathutils
+
+# calculate locations and store them as ID property in the mesh
+def calc_callback(self, context):
+ # polling
+ if context.mode != 'EDIT_MESH':
+ return
+
+ # get screen information
+ mid_x = context.region.width/2.0
+ mid_y = context.region.height/2.0
+ width = context.region.width
+ height = context.region.height
+
+ # get matrices
+ view_mat = context.space_data.region_3d.perspective_matrix
+ ob_mat = context.active_object.matrix
+ total_mat = view_mat*ob_mat
+
+ # calculate location info
+ texts = []
+ locs = []
+ me = context.active_object.data
+ # uncomment 2 lines below, to enable live updating of the selection
+ #bpy.ops.object.editmode_toggle()
+ #bpy.ops.object.editmode_toggle()
+ if bpy.context.scene.display_vert_index:
+ for v in me.verts:
+ if v.selected or not bpy.context.scene.display_sel_only:
+ locs.append([1.0, 1.0, 1.0, v.index, Mathutils.Vector(v.co[:][0], v.co[:][1], v.co[:][2], 1.0)])
+ if bpy.context.scene.display_edge_index:
+ for ed in me.edges:
+ if ed.selected or not bpy.context.scene.display_sel_only:
+ v1, v2 = ed.verts
+ v1 = Mathutils.Vector(me.verts[v1].co[:])
+ v2 = Mathutils.Vector(me.verts[v2].co[:])
+ loc = v1 + ((v2-v1)/2.0)
+ locs.append([1.0, 1.0, 0.0, ed.index, Mathutils.Vector(loc[0],loc[1],loc[2],1.0)])
+ if bpy.context.scene.display_face_index:
+ for f in me.faces:
+ if f.selected or not bpy.context.scene.display_sel_only:
+ locs.append([1.0, 0.0, 0.5, f.index, Mathutils.Vector(f.center[0], f.center[1], f.center[2], 1.0)])
+
+ for loc in locs:
+ vec = total_mat*loc[4] # order is important
+ vec = Mathutils.Vector(vec[0]/vec[3],vec[1]/vec[3],vec[2]/vec[3]) # dehomogenise
+ x = int(mid_x + vec[0]*width/2.0)
+ y = int(mid_y + vec[1]*height/2.0)
+ texts+=[loc[0], loc[1], loc[2], loc[3], x, y, 0]
+
+ # store as ID property in mesh
+ context.active_object.data['IndexVisualiser'] = texts
+
+# draw in 3d-view
+def draw_callback(self, context):
+ # polling
+ if context.mode != 'EDIT_MESH':
+ return
+ # retrieving ID property data
+ try:
+ texts = context.active_object.data['IndexVisualiser']
+ except:
+ return
+ if not texts:
+ return
+
+ # draw
+ blf.size(13, 72)
+ for i in range(0,len(texts),7):
+ bgl.glColor3f(texts[i], texts[i+1], texts[i+2])
+ blf.position(texts[i+4], texts[i+5], texts[i+6])
+ blf.draw(str(int(texts[i+3])))
+
+# operator
+class IndexVisualiser(bpy.types.Operator):
+ bl_idname = "view3d.index_visualiser"
+ bl_label = "Index Visualiser"
+ bl_description = "Toggle the visualisation of indices"
+
+ def poll(self, context):
+ return context.mode=='EDIT_MESH'
+
+ def modal(self, context, event):
+ context.area.tag_redraw()
+
+ # removal of callbacks when operator is called again
+ if context.scene.display_indices == -1:
+ context.region.callback_remove(self.handle1)
+ context.region.callback_remove(self.handle2)
+ context.scene.display_indices = 0
+ return {'CANCELLED'}
+
+ return {'PASS_THROUGH'}
+
+ def invoke(self, context, event):
+ if context.area.type == 'VIEW_3D':
+ if context.scene.display_indices == 0:
+ # operator is called for the first time, start everything
+ context.scene.display_indices = 1
+ context.manager.add_modal_handler(self)
+ self.handle1 = context.region.callback_add(calc_callback, (self, context), 'POST_VIEW')
+ self.handle2 = context.region.callback_add(draw_callback, (self, context), 'POST_PIXEL')
+ return {'RUNNING_MODAL'}
+ else:
+ # operator is called again, stop displaying
+ context.scene.display_indices = -1
+ return {'RUNNING_MODAL'}
+ else:
+ self.report({'WARNING'}, "View3D not found, can't run operator")
+ return {'CANCELLED'}
+
+# defining the panel
+def menu_func(self, context):
+ col = self.layout.column(align=True)
+ col.operator(IndexVisualiser.bl_idname, text="Visualise indices")
+ row = col.row(align=True)
+ row.active = (context.mode=='EDIT_MESH' and context.scene.display_indices==1)
+ row.prop(context.scene, 'display_vert_index', toggle=True)
+ row.prop(context.scene, 'display_edge_index', toggle=True)
+ row.prop(context.scene, 'display_face_index', toggle=True)
+ row = col.row(align=True)
+ row.active = (context.mode=='EDIT_MESH' and context.scene.display_indices==1)
+ row.prop(context.scene, 'display_sel_only')
+ self.layout.separator()
+
+def register():
+ bpy.types.Scene.IntProperty(attr="display_indices", default=0)
+ bpy.context.scene.display_indices = 0
+ bpy.types.Scene.BoolProperty(attr="display_sel_only", name="Selected only", description="Only display indices of selected vertices/edges/faces", default=True)
+ bpy.types.Scene.BoolProperty(attr="display_vert_index", name="Vertices", description="Display vertex indices", default=True)
+ bpy.types.Scene.BoolProperty(attr="display_edge_index", name="Edges", description="Display edge indices")
+ bpy.types.Scene.BoolProperty(attr="display_face_index", name="Faces", description="Display face indices")
+ bpy.types.register(IndexVisualiser)
+ bpy.types.VIEW3D_PT_3dview_display.prepend(menu_func)
+
+def unregister():
+ bpy.types.unregister(IndexVisualiser)
+ bpy.types.VIEW3D_PT_3dview_display.remove(menu_func)
+
+if __name__ == "__main__":
+ register()
\ No newline at end of file
More information about the Bf-extensions-cvs
mailing list