Home Script Language Meta Data Class TMetaData Properties FirstAvailableGroup
See also: Spectral Groups, Group, CountSpectralGroups, ObtainSpecRange, GroupIsDefined, GroupNrOfContentType, FirstIndexOfGroup (MetaData), ObtainGroupLayerLimits 

FirstAvailableGroup

Declaration: TMetaData.FirstAvailableGroup: integer;
Returns the lowest unused spectral group number. If all spectral groups are already used a zero value is returned.

Hint: In order to directly access the metadata of the currently loaded dataset you can use the pre-declared global variable MData.