// Testing vegetation, for debugging supposing that terrain layer is already set in *-INTER-INTRA-LMA.tiff - normally it is only set during 3d model generation
// Moved to the very end, after 3D
booleantest_vegetation=true;
/*
if (test_vegetation) { // limit start of the quadCLTs by reading start/end from the reference scene
int [] first_last = quadCLTs[ref_index].getFirstLastIndex(quadCLTs);
QuadCLT [] quadCLT_tail = new QuadCLT [quadCLTs.length - earliest_scene];