Notes: Tetrahedral alternating animation parameters

Notes on animations of the Tetrahedral Alternating system

 

Render animation:

Turn off screen saver and power management (these corrupt frames when they are engaged).

File | Open raw volume in Space Software

Volume | Select crop rectangles off current volume by at least one voxel

Oversample (Volume | Resize) ( > 5123)

Adust origin (Volume | Volume information) to be as close to center of figure (not volume) as possible. Use cursor and status bar coordinates to find offset required.

Render parameters:

Smoothing scale = 1.0

Fade with depth checked, range ~[0, .6-1.0]

Resize window such that clipping won't occur at a diagonal view

Movie setup:

View | Slice Position | theta = 0, phi = 0, depth = -370

53 frames:

theta or phi = 0, 0, 0, .5, 1.5, 3, 87, 88.5, 89.5, 90, 90, 90

frames between = 0, 0, 0, 0, 0, 39, 0, 0, 0, 0, 0

Render time < 120 minutes

The large negative slice plane depth (-370) causes highest depths to be too black. Would need to program fade with depth range parameters to overcome this effectively. [2007-12-26 Done, available in next version of Space Software.]

Convert to .swf format:

In Space Software, Volume | Crop in the x/z orientation.

Some dimensions (even?) in this plane fail to get converted to .swf properly. Keep the volume loaded until correctness is checked in the last conversion step.

File | Save As with the .avi format, uncompressed.

Copy .avi file to a low level directory, such as /My Documents (Cinema Forge chokes on long file/path names).

In Cinema Forge, select the .avi file, select .swf for output, Encode.

Drag file onto a web browser window to test for correctness.

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