Procedurally select and grow polygon selection in Houdini

Procedurally select and grow polygon selection

(for soft transform) add group expand node and set base group (starting polys) Steps: set it here add group promote node Convert From: Primitives To Points give it new name add soft transform node select group here

quick soft transfrom around a point:

add edit node in viewport press s (for points), click on a point press t (for transform) and drag the point out (press m to change handle alignment to world) then use mouse wheel to increase/decrease soft transform radius

grow or shrink polygons selection:

shift - G to grow it shift - S to shrink it