# mtlViewer

- SYNOPSIS
- DESCRIPTION
- KEYBOARD CONTROLS
- SEE ALSO

### SYNOPSIS

    open mtlViewer.app --args [-yup] [-u] [-a] [-l refinement level]
       objfile(s) [-catmark] [-loop] [-bilinear]

### DESCRIPTION

`mtlViewer` is a stand-alone application that showcases the application of uniform and feature adaptive subdivision schemes to a collection of geometric shapes. Multiple controls are available to experiment with the algorithms.

mtlViewer running on macOS

mtlViewer running on iOS

### KEYBOARD CONTROLS

> System Message: WARNING/2 (`/build/opensubdiv/src/OpenSubdiv-3_6_1/documentation/mtlviewer.rst`, line 69)

> 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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