Selecting in Houdini

Selecting

set selection (of polys or points)

select the points/polys -> model tab (top) -> group (this creates a node with only this selection)

select modes

oben rechts menu icons select front and back facing (= select only visible) primitives = polygons

select in between

in edge mode, hold down 'shift' + A key

brush select

scroll middle mouse button to increase/decrease