Hi

I would like to copy a geometry, on each points of a template object and align them to the surface of that geometry.
The problem is , Houdini rotated geometries around normals !
I attached my Hip file here.


Thanks for helping.

Try adding an up vector. In ‘point1’ add a new attribute expression for a custom attribute.
Name: up
Constant Value: {0 1 0}
VEXpression:

Thank you jsmack , that works fine.

Where in the new point node can you add the name,
This is what this test gves me (trying to align the tube to the surface of the copied polygon)
- First mage a group of the polygon called “ testPolygon”
- In the new point node i tried applying it only to that group.
- Typed in “value” in the VEXexpression and gave it 0,1,0 in the constant value text boxes.

rpdacosta .
Where in the new point node can you add the name,
This is what this test gves me (trying to align the tube to the surface of the copied polygon)
- First mage a group of the polygon called “ testPolygon”
- In the new point node i tried applying it only to that group.
- Typed in “value” in the VEXexpression and gave it 0,1,0 in the constant value text boxes.

Change attribute to ‘Custom,’ and an attribute name field will appear.