[Bf-extensions-cvs] SVN commit: /data/svn/bf-extensions [2752] trunk/py/scripts/addons/ space_view3d_panel_measure.py: * Measure Panel - Version 0.8.2
Martin Buerbaum
martin.buerbaum at gmx.at
Thu Dec 8 12:05:33 CET 2011
Revision: 2752
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-extensions&revision=2752
Author: pontiac
Date: 2011-12-08 11:05:32 +0000 (Thu, 08 Dec 2011)
Log Message:
-----------
* Measure Panel - Version 0.8.2
* Added support for edge length measurement
* Updated API revision and Blender version
* Rearranged some things to make code clearer - it's still pretty cumbersome :-(.
* Also moved "Update selection" button to the very top.
Modified Paths:
--------------
trunk/py/scripts/addons/space_view3d_panel_measure.py
Modified: trunk/py/scripts/addons/space_view3d_panel_measure.py
===================================================================
--- trunk/py/scripts/addons/space_view3d_panel_measure.py 2011-12-07 17:25:18 UTC (rev 2751)
+++ trunk/py/scripts/addons/space_view3d_panel_measure.py 2011-12-08 11:05:32 UTC (rev 2752)
@@ -26,9 +26,9 @@
"name": "Measure Panel",
"author": "Buerbaum Martin (Pontiac), TNae (Normal patch)," \
" Benjamin Lauritzen (Loonsbury; Volume code)",
- "version": (0, 8, 1),
- "blender": (2, 5, 7),
- "api": 40847,
+ "version": (0, 8, 2),
+ "blender": (2, 6, 0),
+ "api": 42508,
"location": "View3D > Properties > Measure Panel",
"description": "Measure distances between objects",
"warning": "Script needs repairs",
@@ -206,6 +206,51 @@
return None
+# Return the length of an edge (in global space if "obj" is set).
+# Respects the scaling (via the "obj.matrix_world" parameter).
+def edgeLengthGlobal(edge, obj, globalSpace):
+ v1, v2 = edge.vertices
+
+ # Get vertex data
+ v1 = obj.data.vertices[v1]
+ v2 = obj.data.vertices[v2]
+
+ if globalSpace:
+ mat = obj.matrix_world
+ # Apply transform matrix to vertex coordinates.
+ v1 = mat * v1.co
+ v2 = mat * v2.co
+ else:
+ v1 = v1.co
+ v2 = v2.co
+
+ return (v1 - v2).length
+
+
+# Calculate the edge length of a mesh object.
+# *) Set selectedOnly=1 if you only want to count selected edges.
+# *) Set globalSpace=1 if you want to calculate
+# the global edge length (object mode).
+# Note: Be sure you have updated the mesh data before
+# running this with selectedOnly=1!
+# @todo Support other object types (surfaces, etc...)?
+def objectEdgeLength(obj, selectedOnly, globalSpace):
+ if (obj and obj.type == 'MESH' and obj.data):
+ edgeTotal = 0
+
+ mesh = obj.data
+
+ # Count the length of all edges.
+ for ed in mesh.edges:
+ if not selectedOnly or ed.select:
+ edgeTotal += edgeLengthGlobal(ed, obj, globalSpace)
+
+ return edgeTotal
+
+ # We can not calculate a length for this object.
+ return -1
+
+
# Return the area of a face (in global space).
# @note Copies the functionality of the following functions,
# but also respects the scaling (via the "obj.matrix_world" parameter):
@@ -587,6 +632,29 @@
loc_y -= OFFSET_Y
+ if (sce.measure_panel_calc_edge_length):
+ if (context.mode == 'EDIT_MESH'):
+ obj = context.active_object
+
+ length_total = objectEdgeLength(obj, True, measureGlobal(sce))
+
+ sce.measure_panel_edge_length = length_total
+
+ elif (context.mode == 'OBJECT'):
+ length_total = -1
+
+ for o in context.selected_objects:
+ if (o.type == 'MESH'):
+ length = objectEdgeLength(o, False, measureGlobal(sce))
+
+ if length >= 0:
+ if length_total < 0:
+ length_total = 0
+
+ length_total += length
+
+ sce.measure_panel_edge_length = length_total
+
# Handle mesh surface area calulations
if (sce.measure_panel_calc_area):
# Get a single selected object (or nothing).
@@ -816,7 +884,6 @@
def draw(self, context):
layout = self.layout
sce = context.scene
- layout.label(text="Distance")
# Get a single selected object (or nothing).
obj = getSingleObject(context)
@@ -826,6 +893,16 @@
if (context.mode == 'EDIT_MESH'):
obj = context.active_object
+ row = layout.row()
+ row.operator("view3d.reenter_editmode",
+ text="Update selection")
+# @todo
+# description="The calculated values can" \
+# " not be updated in mesh edit mode" \
+# " automatically. Press this button" \
+# " to do this manually, after you changed" \
+# " the selection")
+
if (obj and obj.type == 'MESH' and obj.data):
# "Note: a Mesh will return the selection state of the mesh
# when EditMode was last exited. A Python script operating
@@ -854,6 +931,7 @@
# We measure the distance from...
# local ... the object center to the 3D cursor.
# global ... the origin to the 3D cursor.
+ layout.label(text="Distance")
box = layout.box()
row = box.row()
@@ -867,22 +945,13 @@
else:
row.label(text="Origin [0,0,0]")
- row = layout.row()
- row.operator("view3d.reenter_editmode",
- text="Update selection & distance")
-# @todo
-# description="The surface area value can" \
-# " not be updated in mesh edit mode" \
-# " automatically. Press this button" \
-# " to do this manually, after you changed" \
-# " the selection")
-
layout.prop(sce, "measure_panel_draw")
elif len(verts_selected) == 1:
# One vertex selected.
# We measure the distance from the
# selected vertex object to the 3D cursor.
+ layout.label(text="Distance")
box = layout.box()
row = box.row()
@@ -893,16 +962,13 @@
row.label(text="", icon='ARROW_LEFTRIGHT')
row.label(text="", icon='VERTEXSEL')
- row = layout.row()
- row.operator("view3d.reenter_editmode",
- text="Update selection & distance")
-
layout.prop(sce, "measure_panel_draw")
elif len(verts_selected) == 2:
# Two vertices selected.
# We measure the distance between the
# two selected vertices.
+ layout.label(text="Distance")
box = layout.box()
row = box.row()
@@ -913,16 +979,30 @@
row.label(text="", icon='ARROW_LEFTRIGHT')
row.label(text="", icon='VERTEXSEL')
+ layout.prop(sce, "measure_panel_draw")
+
+ edges_selected = [ed for ed in mesh.edges if ed.select == 1]
+ if len(edges_selected) >= 1:
row = layout.row()
- row.operator("view3d.reenter_editmode",
- text="Update selection & distance")
+ row.prop(sce, "measure_panel_calc_edge_length",
+ text="Edge Length (selected edges)")
- layout.prop(sce, "measure_panel_draw")
+ if (sce.measure_panel_calc_edge_length):
+ if (sce.measure_panel_edge_length >= 0):
+ box = layout.box()
+ row = box.row()
+ row.label(
+ text=str(len(edges_selected)),
+ icon='EDGESEL')
- else:
+ row = box.row()
+ row.label(text="Length")
+ row.prop(sce, "measure_panel_edge_length")
+
+ if len(verts_selected) > 2:
row = layout.row()
row.prop(sce, "measure_panel_calc_area",
- text="Surface area (selected faces):")
+ text="Surface area (selected faces)")
if (sce.measure_panel_calc_area):
# Get selected faces
@@ -947,38 +1027,45 @@
row = box.row()
row.prop(sce, "measure_panel_normal1")
- row = layout.row()
- row.operator("view3d.reenter_editmode",
- text="Update selection & area")
-
else:
row = layout.row()
row.label(text="Selection not supported",
icon='INFO')
- row = layout.row()
- row.operator("view3d.reenter_editmode",
- text="Update selection")
+ if drawTansformButtons:
+ row = layout.row()
+ row.prop(sce,
+ "measure_panel_transform",
+ expand=True)
- else:
- row = layout.row()
- row.operator("view3d.reenter_editmode",
- text="Update selection")
-
elif (context.mode == 'OBJECT'):
# We are working in object mode.
+ mesh_objects = [o for o in context.selected_objects
+ if (o.type == 'MESH')]
+
if len(context.selected_objects) > 2:
# We have more that 2 objects selected...
+ # EDGES
row = layout.row()
+ row.prop(sce, "measure_panel_calc_edge_length",
+ text="Edge Length")
+
+ if (sce.measure_panel_calc_edge_length):
+ if (len(mesh_objects) > 0):
+ box = layout.box()
+
+ row = box.row()
+ row.label(text="Total edge length")
+ row.prop(sce, "measure_panel_edge_length")
+
+ # AREA
+ row = layout.row()
row.prop(sce, "measure_panel_calc_area",
- text="Surface area (selected faces):")
+ text="Surface area")
if (sce.measure_panel_calc_area):
- mesh_objects = [o for o in context.selected_objects
- if (o.type == 'MESH')]
-
if (len(mesh_objects) > 0):
# ... and at least one of them is a mesh.
@@ -1005,6 +1092,7 @@
@@ Diff output truncated at 10240 characters. @@
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