Convert MOCHA to EXR

Understanding Mocha and EXR file formats

Mocha is a renowned planar tracking and visual effects software, widely used in the film and video post-production industry. Mocha project files typically use the .mocha or .mochaProj extension and store tracking data, masks, and project settings, but do not contain image or video data themselves.

EXR (OpenEXR) is a high-dynamic-range (HDR) raster image file format developed by Industrial Light & Magic. The .exr format is popular in visual effects and animation for its ability to store deep color information, multiple channels, and high bit depths, making it ideal for compositing and professional image workflows.

Can you convert Mocha files to EXR?

Direct conversion from a Mocha project file to an EXR image is not possible, as they serve fundamentally different purposes: Mocha files store tracking and mask data, while EXR files store image data. However, you can use Mocha to export tracking or mask data and apply it to footage in a compositing application, then render the result as an EXR image.

How to export Mocha tracking/mask data to EXR

1. Open your project in Mocha Pro or Mocha AE.
2. Track your footage and create masks or mattes as needed.
3. Export the mask or matte:
   • Go to File → Export Rendered Clip or File → Export Shape Data depending on your version.
   • Choose a format compatible with your compositing software (e.g., PNG sequence, rendered matte, or shape data for After Effects/Nuke).
4. Import the exported mask/matte or tracking data into a compositing application such as Adobe After Effects, Blackmagic Fusion, or Nuke.
5. Apply the mask/matte to your footage as needed.
6. Export the final result as an EXR file:
   • In After Effects: File → Export → Add to Render Queue, then set the output format to OpenEXR.
   • In Nuke: Write node with file type set to .exr.

Best software for Mocha to EXR workflow

• Mocha Pro or Mocha AE for tracking and mask creation.
• Adobe After Effects for compositing and EXR export.
• Foundry Nuke or Blackmagic Fusion for advanced compositing and EXR output.

Summary

While you cannot directly convert a Mocha project file to an EXR image, you can use Mocha to generate tracking or mask data, composite it with your footage in a VFX application, and then export the final result as an EXR file. This workflow is standard in professional post-production pipelines.