EVOLUTION-MANAGER
Edit File: gputproj.c
#include "csf.h" #include "csfimpl.h" /* change projection type of map * MputProjection type changes the projection type of a map. * In version 2, projections are simplified. We only discern between * a projection with y increasing (PT_YINCT2B=0) and decreasing (PT_YDECT2B=1) * from top to bottom. * All old constants that denote a projection with y decreasing are nonzero. * And the old constant that denote a projection with y decreasing (PT_XY) is 0. * returns the new projection (PT_YINCT2B or PT_YDECT2B) or MV_UINT2 if an * error occurred. * * Merrno * NOACCESS */ CSF_PT MputProjection( MAP *map, /* map handle */ CSF_PT p) /* projection type, all nonzero values are mapped to * 1 (PT_YDECT2B) */ { CHECKHANDLE_GOTO(map, error); if(! WRITE_ENABLE(map)) { M_ERROR(NOACCESS); goto error; } map->main.projection = (p) ? PT_YDECT2B : PT_YINCT2B; return map->main.projection; error: return(MV_UINT2); }