Object Mask

In Object Mask mode, Bryce renders any selected objects as anti-aliased white shapes against a black background. You can use the resulting image as a mask or alpha channel in other 2D image editing programs.

To render an object mask:

1. Render the scene by rendering to screen or disk or as an animation.
   
   
2. Select the object(s) or group(s) you want to mask out of the scene.
   
   
3. Click on the Render Options triangle next to the Render Controls and choose Object Mask from the menu.
   
   
4. Alternately, you can select the Object Mask option from the Render Options dialog.

• Click on the Render Options triangle next to the Render Controls and choose Render Options from the menu. The Render Options dialog will come up.
  
  
• Enable the Object Mask option under Projection & Masking.
  
  

5. Render the scene. The selected object(s) or group(s) will render as white, with the non-selected objects and rest of the scene rendering as black.
   
   
6. Save the mask render to disk.
7. Open the original render and the mask render in your favorite paint program.
8. Follow the instructions for the paint program on creating Alpha Channels from images.
   
   
   
   
9. Once the mask has been applied as an Alpha Channel, modify the image as needed using the image and mask layers to select which sections to modify.
   
   
   
   The final example image:
   
   

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