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These tutorials are under construction and may be incomplete or contain errors.
If you notice any errors (e.g. spelling, grammar, factual, etc.), please contact
us and we'll fix them ASAP.
Culling Options Explained
In Blacksmith3D-Suite, culling is the process of omitting geometry from an action.
The simplest form of culling is by backface, where any portion of the surface that is facing away from
the viewport is omitted. Per vertex culling determines the visibility of each vertex. If a vertex is
obscured by another portion of the surface, then it is be culled. Per Pixel culling, which is only used
for painting, determines the visibiliy of each pixel on a texture map. Below, we will show a few examples illustrating the different culling options.
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Intermediate Tutorials
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Step 1. Select the "None" culling option and paint a brush stroke.
Then view it from the side and see how the paint goes straight through the model.
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Step 2. Select the "Backface" culling option and paint a brush stroke.
Then view it from the side and see how the backfacing surface does not get painted.
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Step 3. Select the "Per Vertex" culling option and apply a brush stroke.
Notice how the hidden vertices were culled, and the paint fades smoothly.
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Step 4. Select the "Per Pixel" culling option and apply a brush stroke.
Notice how sharp the transition is between the culled surface and the visible surface.
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