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Poly2Vista is a MEL utility created for writing out poly object info (vertex and normals) from Maya to a text file. The output file could be used with Vista (a command line volume renderer) and Mesh Viewer (an interactive volume renderer) for slicing of volumes in a desirable manner.


Windows, Linux, Mac; Maya 6.0+ (untested for earlier versions)


To download, right click on a link below and choose "Save Target As" or "Save Link As".

Poly2Vista-0.3 (9 kb) Last updated: Aug 31th 2005


  • Polygons only (No NURBS, No Subdivision)


Please email your comments to Amit Chourasia

Using Cam2Vista


  1. Download and save Poly2Vista-0.3.mel
  2. Open Script Editor - In Maya go to Window > General Editors > Script Editor
  3. In Script Editor go to File > Source Script > Poly2Vista-0.3.mel (browse to folder where you saved the downloaded file)


Use the screenshot for a close-up of the following steps; mouseover or click for a larger image.

  1. Select one or more objects (The object should be of type polygon)
  2. Choose output setup (Step 2 in screenshot)
    • Write a point and a normal per face = vtx+norm (Default)
    • Write 3 points (vertices) per face = 3 vtx
    • Write all vertices and vertex normals = all(vtx+norm)
  3. Save Clip File at desired location ".clp" would be appended to the typed filename (Step 3 in screenshot)


  • Poly objects in Maya should fit in bounding box for corresponding volume dimension.
  • If you have questions, you may roll over the buttons for tool tips.

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