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This phase fires up the filtering engine, same as normally found and controlled from the Solver tab.
WARNING : filtering CAUSES sliding, increasing the mismatches between 2D and 3D position. Use with care only when there is no alternative! Fixing the tracking data or adding more trackers at well-chosen locations is always better.
Filtering is applied to a given camera or moving object, either to the entire shot or to a given range of frames (Be sure to check "Use this frame range" if that's what you want!).
Similarly, filtering is applied only to certain channels: some or all of X/Y/Z/Pan/Tilt/Roll, Distance, or FOV. Distance is for moving object to camera distance (or camera/origin). Suggestion: don't filter distance AND x/y/z.
Note that filtering is controlled by animated frequency and strength (blend weight) values that come down the pipeline, starting from the values found on the Solver Panel's Filtering Control panel.
You can override those values with (animated) filter frequency and filter strength parameters on the Filter phase, so that you can use different frequencies or strengths for different filtering phases, for example to filter the positions lightly, and then the roll severely.
©2023 Boris FX, Inc. — UNOFFICIAL — Converted from original PDF.