The purpose of this command is to compute flags (standard channel int32 flags, used in many point
clouds) by simple conditions.
Usage
This is a command (PCCommand). See using commands for an overview.
The referenceValue is used for comparison on the specified channel. channelIndex
selects the index within the attribute channel (e.g. position[1]). flagsToBeSet specifies the
flags to be set according to the test (set or deleted according to the outcome of the test).
testOnGreater specifies whether the data value must be greater or lessOrEqual to the reference
value.