Coloring Points vs Primitives in Houdini

So what happens if a color is assigned to the points instead of the primitives? What is the difference between assigning color to points versus assigning color to primitives? Sometimes we experience color bleeding onto other primitives of the geometry, this article explains why.

Computer Graphics, HoudinibubblepinsOctober 18, 2019houdini, sidefx, points, primitives, coloring points vs primitives, points vs primitives, primnum, point number, color pointsComment

Houdini Expressions & Functions

Houdini expressions are functions available to help you calculate values in the parameters of the nodes. You may have seen $HIPNAME which returns the name of the current hip file. Or the centroid one that I use most often for procedural modeling, $CEX $CEY $CEZ, which returns the centroid vector component.

Computer Graphics, HoudinibubblepinsSeptember 27, 2019houdini, sidefx, math, fit range, ptnum, point number, remap values, random function, rand(), fit(), random seed, height data, height, terrain, texture map, height map, houdini expressionComment

Procedural Modeling in Houdini

Procedural Modeling has infinite possible ways of doing things, and the way Houdini does its point number assignment makes it very convenient to write VEX code to automate things. Using VEX into your procedural modeling workflow is a huge advantage.

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