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  Frame Numbers for Per-Frame Output Images

 


Update:  Massive 3.5 now includes a Frame block in the main scene RIB export.  You do not need to use the enframe utility when exporting from Massive 3.5 or later.

Download:

Windows:  enframe 1.1
Linux:  enframe 1.1

Background

As described in this note, AIR allows an arbitrary number of additional output images to be generated from a single render pass by adding additional Display calls to the RIB stream.  In an animation you will naturally want each frame to render to a unique set of output images.  AIR’s Display call supports a simple substitution mechanism for creating a unique file name based on the current frame number.  E.g., for frame 27,

Display “+diffuse#4f.tif” “file” “varying color __diffuse”

would become

Display “+diffuse0027.tif” “file” “varying color __diffuse”

The frame number in a RIB file is defined with a FrameBegin statement.  Older versions of Massive (prior to 3.5) did not include a FrameBegin statement in its RIB files.  The enframe tool is designed to plug that gap.

Adding a Frame block with enframe

Enframe adds a frame block to a rib file with a frame number derived from the file name.  For example,

enframe render0129.rib

would rewrite the file render0129.rib as

FrameBegin 129
...rest of file...
FrameEnd

Enframe also accepts a simple wildcard # for matching a sequence of files:

enframe render#.rib

Important:  when translating a sequence of scene rib files generated by Massive, be sure that the agents rib files are NOT included!
 

 

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