# mtlPtexViewer

- SYNOPSIS
- DESCRIPTION
- KEYBOARD CONTROLS
- SEE ALSO

### SYNOPSIS

    open mtlPtexViewer.app --args [-yup] [-u] [-a] [-l isolation level]
        ptex color file
        ptex displacement file

### DESCRIPTION

`mtlPtexViewer` is a stand-alone application demonstrating shading with color and displacement ptex maps. Multiple controls are available to experiment with the algorithms.

### KEYBOARD CONTROLS

> System Message: WARNING/2 (`/build/opensubdiv/src/OpenSubdiv-3_6_1/documentation/mtlptexviewer.rst`, line 55)

> Cannot analyze code. Pygments package not found.

>     .. code:: c++

>        q      : quit
>        f      : fit frame
>        +/-    : increase / decrease tessellation rate

### SEE ALSO

Other examples : glViewer, glFVarViewer, glEvalLimit, glStencilViewer, glPtexViewer, glPaintTest, glShareTopology, dxViewer, dxPtexViewer,

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