This information is for Vicon Shogun 1.7. For up-to-date help, see the latest Shogun documentation.

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Reduce keys by removing extra keys

Use this command to remove extra keys from a marker where the position of the marker doesn't change between frames. There must be at least four consecutive frames of non-movement before any markers are removed; then the first two and the last frames in the set of unmoving keys are preserved (e.g. if the marker doesn't move between frames 1-10, this command keeps only frames 1, 2, and 10.)

Functional area

Data editing

Command syntax


reduceKeys [-all] [-ranges]




NameFlag argumentsArgument typeExclusive toComments
all0rangesApply the reduction filter to all channels in the module
ranges0allApply the reduction filter only to the keys contained within the selected ranges.

Return value



// Select a marker
select Marker1;
// Reduce the keys on this marker
reduceKeys -all;