/* Convert a double-based GBOX into a float-based GIDX, ensuring the float box is larger than the double box */ static int gidx_from_gbox_p(GBOX box, GIDX *a) { int ndims; ndims = (FLAGS_GET_GEODETIC(box.flags) ? 3 : FLAGS_NDIMS(box.flags)); SET_VARSIZE(a, VARHDRSZ + ndims * 2 * sizeof(float)); GIDX_SET_MIN(a,0,nextDown_f(box.xmin)); GIDX_SET_MAX(a,0,nextUp_f(box.xmax)); GIDX_SET_MIN(a,1,nextDown_f(box.ymin)); GIDX_SET_MAX(a,1,nextUp_f(box.ymax)); /* Geodetic indexes are always 3d, geocentric x/y/z */ if ( FLAGS_GET_GEODETIC(box.flags) ) { GIDX_SET_MIN(a,2,nextDown_f(box.zmin)); GIDX_SET_MAX(a,2,nextUp_f(box.zmax)); } else { /* Cartesian with Z implies Z is third dimension */ if ( FLAGS_GET_Z(box.flags) ) { GIDX_SET_MIN(a,2,nextDown_f(box.zmin)); GIDX_SET_MAX(a,2,nextUp_f(box.zmax)); if ( FLAGS_GET_M(box.flags) ) { GIDX_SET_MIN(a,3,nextDown_f(box.mmin)); GIDX_SET_MAX(a,3,nextUp_f(box.mmax)); } } /* Unless there's no Z, in which case M is third dimension */ else if ( FLAGS_GET_M(box.flags) ) { GIDX_SET_MIN(a,2,nextDown_f(box.mmin)); GIDX_SET_MAX(a,2,nextUp_f(box.mmax)); } } POSTGIS_DEBUGF(5, "converted %s to %s", gbox_to_string(&box), gidx_to_string(a)); return G_SUCCESS; }
/* Convert a double-based GBOX into a float-based GIDX, ensuring the float box is larger than the double box */ static int gidx_from_gbox_p(GBOX box, GIDX *a) { int ndims; ndims = FLAGS_NDIMS_GIDX(box.flags); SET_VARSIZE(a, VARHDRSZ + ndims * 2 * sizeof(float)); GIDX_SET_MIN(a,0,next_float_down(box.xmin)); GIDX_SET_MAX(a,0,next_float_up(box.xmax)); GIDX_SET_MIN(a,1,next_float_down(box.ymin)); GIDX_SET_MAX(a,1,next_float_up(box.ymax)); /* Geodetic indexes are always 3d, geocentric x/y/z */ if ( FLAGS_GET_GEODETIC(box.flags) ) { GIDX_SET_MIN(a,2,next_float_down(box.zmin)); GIDX_SET_MAX(a,2,next_float_up(box.zmax)); } else { /* Cartesian with Z implies Z is third dimension */ if ( FLAGS_GET_Z(box.flags) ) { GIDX_SET_MIN(a,2,next_float_down(box.zmin)); GIDX_SET_MAX(a,2,next_float_up(box.zmax)); } /* M is always fourth dimension, we pad if needed */ if ( FLAGS_GET_M(box.flags) ) { if ( ! FLAGS_GET_Z(box.flags) ) { GIDX_SET_MIN(a,2,-1*FLT_MAX); GIDX_SET_MAX(a,2,FLT_MAX); } GIDX_SET_MIN(a,3,next_float_down(box.mmin)); GIDX_SET_MAX(a,3,next_float_up(box.mmax)); } } POSTGIS_DEBUGF(5, "converted %s to %s", gbox_to_string(&box), gidx_to_string(a)); return LW_SUCCESS; }