int vertexprim(<geometry>geometry, int linearvertex)
Note
To convert the linear index into a primitive number and primitive vertex number, use vertexprim and vertexprimindex.
<geometry>
When running in the context of a node (such as a wrangle SOP), this argument can be an integer representing the input number (starting at 0) to read the geometry from.
Alternatively, the argument can be a string specifying a geometry file (for example, a .bgeo
) to read from. When running inside Houdini, this can be an op:/path/to/sop
reference.
linearvertex
The linear index of a vertex. If you have a point number and point vertex number, you can use vertexindex to convert them to a linear index.
Returns
The primitive number of the primitive containing the vertex,
or -1
if the vertex has no primitive.
Examples ¶
int pt; // Get the primitive of vertex 3 pt = vertexprim("defgeo.bgeo", 3);
See also | |
prim |
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vertex |
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