Find this section in the Attribute Editor for NURBS, under the shape node.
Provides you with various adjustable attributes as well as a way to fix texture warp on objects with 2D textures. This is especially useful, for example, waving fabric, like a flag.
The Texture Map attributes only apply to NURBS surfaces.
If you are rendering in mental ray for Maya, Fix Texture Warp may use significant memory and result in large .mi output file size. In addition, you may notice that rendered results in mental ray for Maya are different than those in Maya Software.
Fix Texture Warp adjusts a texture’s UV parameters so the texture does not rely on a NURBS object’s UV parameterization, which alleviates texture warp on objects with 2D textures. For example, if you want to create and animate a flag with a Checker texture, you can create a NURBS plane on which to map the Checker texture, transform the CVs, and turn Fix Texture Warp on in the object’s Attribute Editor.
When you animate the flag by moving some of the CVs to simulate the wind blowing the flag, the checker pattern on the flag expands and shrinks appropriately.
When Fix Texture Warp is on, Maya texture maps a 2D NURBS surface based on the chord length of a grid placed on the surface. You can determine the size of the grid by the value you specify in the Grid Division Per Span U and Grid Division Per Span V, and the corresponding number of spans on the surface. The default grid size is 4, and the result is a multiple of 4.
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