Builds the process-space polygons: for each stage level, the corridor around the channel where the terrain stays below that stage rise. One polygon layer per entry in transectObject$stageLevels (set by addCrossSectionElevations).

addProcessSpace(transectObject)

Arguments

transectObject

Object created by the generateCrossSections function, after addCrossSectionElevations has run.

Value

transectObject with $ProcessPolygons: a named list of sf polygon layers, one per stage level (names like "1m", "2m").