SideFX Houdini

Houdini – Create an iterated attribute name

With the BlockBegin node in Houdini it’s possible to name primitives or what not with the iteration of the BlockBegin‘s metadata(another¬†BlockBegin node). Using the code: detail(“../foreach_metadata/”, “iteration”, 0) inside the …

SideFX Houdini

Houdini – SOP Locals

Many Geometry SOP nodes contain local variables they work with as calculations are happening. For instance, the Delete Node has a Local variable $N. $N is the “nth” element which …

SideFX Houdini

Houdini – The line curve

Using a Line SOP with added normals from an Attribute Wrangle Sop, can displace terrain. Adding a Mountain SOP to the line will create a pretty natural looking river or …

SideFX Houdini

Houdini UV Flatten Sop – Edge groups

It seems that the UV Flatten nodes likes edge loop winding in the same direction. Counter clockwise is Houdini’s winding direction that has normals facing the positive Y direction. This …

SideFX Houdini

Houdini – Poly Frame Sop

The Poly Frame Sop – Creates coordinate frame attributes for points and vertices. The current use with HDA creation is attribute @N creation on vertices. Create a Poly Frame node. …

SideFX Houdini

Houdini Unity Material

The Houdini unity Material is a special attribute that is added to vertices using a Attribute Create SOP node. Create UVs for graph geometry. Create an Attribute Create SOP node. …