get attribute of selected points in python

[zshawchaw]

Hi, 

When I select points from the viewport, how do I get a value of point attribute in python? 

I wrote a beginning like this: 

1 import toolutils 
2 viewer = toolutils.sceneViewer() 
3 selection = viewer.selectGeometry('Get Ids From Select Points',geometry_types = [hou.geometryType.Points]) 

but I don't know how to continue this. 

thanks 
Shawn

[edward]

Assuming that you only selected from one node inside SOPs, then perhaps something like: (untested)

node = selection.nodes()[-1]
points_patt = selection.selectionStrings(False)[-1]
geo = node.geometry()
for pt in geo.globPoints(points_patt):
    print geo.pointFloatAttribValues("attribute_name")

http://www.sidefx.com/docs/houdini13.0/hom/hou/GeometrySelection#nodes

http://www.sidefx.com/docs/houdini13.0/hom/hou/Geometry#globPoints

http://www.sidefx.com/docs/houdini13.0/hom/hou/Geometry#pointFloatAttribValues

[bandit]

i have an array attribute like, i[]@my_attrib. and this has values inside.

but each time i  have a fatal error and crash, after geo.pointFloatAttribValues("my_attrib").

any suggestions?.

 

 

 

 

generic.hip

Edited January 11, 2017 by bandit