## File Formats

mrViewer supports a number of image formats for reading and writing. Here's a brief summary of them:

### Extension | ### Name | ### Read | ### Write | ### Comments
--- | --- | --- | --- | ---
.avi | AVI | Yes | No | All Channels, all codecs
.bmp | Microsoft's Bitmap | Yes | Yes |
.cin | Cineon | Yes | No |
.ct | mental ray floating point color images | Yes | No |
.dds | Microsoft Direct Draw Surface | Yes | No |
.dpx | DPX | Yes | No |
.exr | ILM OpenEXR | Yes | Yes | All Channels and Layers displayed
.gif | GIF | Yes | Yes |
.iff | Maya IFF | Yes | No |
.jpeg | JPEG | Yes | Yes |
.map | mental ray textures | Yes | No | Only non-tiled maps supported
.mi | mental ray network render file stubs | Yes | No | Floating point connections
.mov | Quicktime Movies | Yes | No |
.mpeg | Motion Pictures Group | Yes | No |
.nt | mental ray floating point normal images | Yes | No |
.ogg | OGG | Yes | No |
.pdf | Adobe Postscript | Yes | No | Single page, converted to a bitmap
.pic | Softimage pic | Yes | No |
.png | PNG | Yes | Yes |
.psd | Photoshop | Yes | Yes | All Layers displayed, paths and vector graphics lost
.reel | mrViewer's reel (EDL) files | Yes | Yes |
.rpf | Autodesk 3DS Rich Picture Format | Yes | No | Some layers supported
.shmap | mental ray floating point shadow maps | Yes | No |
.st | mental ray floating point scalar images | Yes | No |
.tga | Targa | Yes | Yes |
.tif | TIFF | Yes | Yes | All Layers displayed
.vob | DVD Video | Yes | No |
.wmv | Microsoft WMV | Yes | No | WMV9 supported, but slow
.z | Renderman Shadow Maps | Yes | No |
.zt | mental ray floating point z-depth images | Yes | No |