To use vex in houdini, enter geometry network, right click or hit tab key , then search and select Attribute Wrangle.
Run Over types
Each type except Detail(only once) automatically supports threading and parallel computation.
| Type | Desc | Binding Attributes |
|---|---|---|
| Detail | The code will run only once. | Detail Attributes |
| Primitives | The code will run on each Primitive. | @primnum, @numprim |
| Points | The code will run on each Primitive. | @ptnum, @numpt |
| Vertices | The code will run on each Primitive. | @vtxnum, @numvtx |
| Numbers | The code will run specified times. | @elemnum,@numelem, Readonly Detail Attributes |
CRUD Attributes
Create
int addattrib(int geohandle, string attribclass, string name, <type>defvalue)
adddetailattrib
addprimattrib
addpointattrib
addvertexattrib