Try this:
import maya.cmds as cmds
def get_poly_bounding_box_center(object):
# object can be object or components
bbox = cmds.xform(object, query=True, boundingBox=True, worldSpace=True)
# bbox = cmds.exactWorldBoundingBox(object)
center_x = (bbox[0] + bbox[3]) / 2.0
center_y = (bbox[1] + bbox[4]) / 2.0
center_z = (bbox[2] + bbox[5]) / 2.0
return [center_x, center_y, center_z]
def show_bounding_box_center():
"""
Adds a locator at bounding box center.
"""
selection = cmds.ls(selection=True, flatten=True)
if not selection:
cmds.warning("No objects or components selected.")
return
poly_objects = []
poly_components = []
for item in selection:
if ".vtx[" in item or ".e[" in item or ".f[" in item:
poly_components.append(item)
elif cmds.ls(item, type="transform"):
poly_objects.append(item)
if poly_objects:
for obj in poly_objects:
center = get_poly_bounding_box_center(obj)
locator = cmds.spaceLocator(name=f"{obj}BoundingBoxCenter")[0]
cmds.xform(locator, translation=center, worldSpace=True)
if poly_components:
center = get_poly_bounding_box_center(poly_components)
locator = cmds.spaceLocator(name="ComponentsBoundingBoxCenter")[0]
cmds.xform(locator, translation=center, worldSpace=True)
On Wednesday, September 17, 2014 at 2:59:30 AM UTC+8 Matteo Di Lena wrote:
> Thanks a lot Mahmoodreza,
> clever way to solve it :) I found a way, after quite a few time spent
> searching, to query a manipulator position and get its world space values.
> Anyway your solution is way more intuitive than that!
>
> Thank you again.
> -Matteo
>
>
> On Tuesday, September 16, 2014 6:25:38 PM UTC+2, Mahmoodreza Aarabi wrote:
>
>> Hey
>> if your mean is find world position of some selected component (vertex
>> here)
>> you should use an script like this:
>>
>> import maya.cmds as cmds
>>
>> selVerts = cmds.ls(sl=True)
>> clst = cmds.cluster()
>> pos = cmds.xform(clst[1], q=True, ws=True, rp=True)
>> loc = cmds.spaceLocator()
>> cmds.move(pos[0], pos[1], pos[2])
>> cmds.delete(clst[1])
>>
>> Now you have a locator that show you center of your selection.you can use
>> pos variable for finding the location of center.
>>
>> Good luck
>>
>>
> On Tue, Sep 16, 2014 at 7:35 PM, Matteo Di Lena <[email protected]>
>> wrote:
>>
> Hi guys,
>>>
>>> I'm having troubles trying to find the center of a component selection
>>> (vertex, in this case) with
>>> python. I tried looking into commands reference, but I could't find
>>> anything useful.
>>>
>>> Is this possible with maya cmds or do I need some API?
>>>
>>> Thanks a lot for any help.
>>> -Matteo
>>>
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>>
>>
>>
>> --
>>
>>
>> Bests,
>> madoodia
>>
>
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