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# gpl author: liero
bl_info = {
"name": "Select by index",
"author": "liero",
"version": (0, 2),
"blender": (2, 55, 0),
"location": "View3D > Tool Shelf",
"description": "Select mesh data by index / area / length / cursor",
"category": "Mesh",
}
import bpy
from bpy.types import Operator
from bpy.props import (
BoolProperty,
FloatProperty,
EnumProperty,
)
class SelVertEdgeFace(Operator):
bl_idname = "mesh.select_vert_edge_face_index"
bl_label = "Select mesh index"
bl_description = "Select Vertices, Edges, Faces by index"
bl_options = {"REGISTER", "UNDO"}
select_type = EnumProperty(
items=[
('VERT', "Vertices", "Select Vertices by index"),
('EDGE', "Edges", "Select Edges by index"),
('FACE', "Faces", "Select Faces by index"),
],
name="Selection Mode",
description="",
default='VERT',
)
indice = FloatProperty(
name="Selected",
default=0,
min=0, max=100,
description="Percentage of selection",
precision=2,
subtype="PERCENTAGE"
)
delta = BoolProperty(
name="Use Parameter",
default=False,
description="Select by Index / Parameter"
)
flip = BoolProperty(
name="Reverse Order",
default=False,
description="Reverse selecting order"
)
start_new = BoolProperty(
name="Fresh Start",
default=False,
description="Start from no previous selection\n"
"If unchecked the previous selection is kept"
)
delta_text = {'VERT': "Use Cursor",
'EDGE': "Use Edges' Length",
'FACE': "Use Faces' Area"}
@classmethod
def poll(cls, context):
return (context.object is not None and context.object.type == 'MESH')
def draw(self, context):
layout = self.layout
layout.label("Selection Type:")
layout.prop(self, "select_type", text="")
layout.separator()
layout.label("Selected:")
layout.prop(self, "indice", text="", slider=True)
d_text = self.delta_text[self.select_type]
layout.prop(self, "delta", text=d_text)
layout.prop(self, "flip")
layout.prop(self, "start_new")
def execute(self, context):
obj = bpy.context.object
if self.start_new:
bpy.ops.mesh.select_all(action='DESELECT')
# Selection mode - Vertex, Edge, Face
if self.select_type == 'VERT':
bpy.context.tool_settings.mesh_select_mode = [True, False, False]
ver = obj.data.vertices
loc = context.scene.cursor_location
sel = []
for v in ver:
d = v.co - loc
sel.append((d.length, v.index))
sel.sort(reverse=self.flip)
bpy.ops.object.mode_set()
valor = round(len(sel) / 100 * self.indice)
if self.delta:
for i in range(len(sel[:valor])):
ver[sel[i][1]].select = True
else:
for i in range(len(sel[:valor])):
if self.flip:
ver[len(sel) - i - 1].select = True
else:
ver[i].select = True
elif self.select_type == 'EDGE':
bpy.context.tool_settings.mesh_select_mode = [False, True, False]
ver = obj.data.vertices
edg = obj.data.edges
sel = []
for e in edg:
d = ver[e.vertices[0]].co - ver[e.vertices[1]].co
sel.append((d.length, e.index))
sel.sort(reverse=self.flip)
bpy.ops.object.mode_set()
valor = round(len(sel) / 100 * self.indice)
if self.delta:
for i in range(len(sel[:valor])):
edg[sel[i][1]].select = True
else:
for i in range(len(sel[:valor])):
if self.flip:
edg[len(sel) - i - 1].select = True
else:
edg[i].select = True
elif self.select_type == 'FACE':
bpy.context.tool_settings.mesh_select_mode = [False, False, True]
fac = obj.data.polygons
sel = []
for f in fac:
sel.append((f.area, f.index))
sel.sort(reverse=self.flip)
bpy.ops.object.mode_set()
valor = round(len(sel) / 100 * self.indice)
if self.delta:
for i in range(len(sel[:valor])):
fac[sel[i][1]].select = True
else:
for i in range(len(sel[:valor])):
if self.flip:
fac[len(sel) - i - 1].select = True
else:
fac[i].select = True
bpy.ops.object.mode_set(mode='EDIT')
return {'FINISHED'}
def register():
bpy.utils.register_class(SelVertEdgeFace)
def unregister():
bpy.utils.register_class(SelVertEdgeFace)
if __name__ == '__main__':
register()
|
