Improve the test that checks if central lon is < |180|

GenericMappingTools · Mar 16, 2024 · 7d6247d · 7d6247d
1 parent 9ca3c58
commit 7d6247d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/gmt_map.c b/src/gmt_map.c
@@ -389,9 +389,9 @@ GMT_LOCAL int gmtmap_cyl_validate_clon (struct GMT_CTRL *GMT, unsigned int mode)
  bool is_reg0360 = GMT->common.R.wesn[XLO] > 180 || GMT->common.R.wesn[XHI] > 180; /* Is the region in the [0 360] range */
 
  clon = GMT->current.proj.pars[0];
- if (is_clon0360 && !is_reg0360)  /* Must take care of not checking for clon < 180 from either boundary and mix -Rg & -Rd */
+ if (is_clon0360 && !is_reg0360 && clon > 180) /* Must take care of not checking for clon < 180 from either boundary and mix -Rg & -Rd */
  clon -= 360.0;
- else if (!is_clon0360 && is_reg0360)
+ else if (!is_clon0360 && is_reg0360 && clon < 0)
  clon += 360.0;
  dw = fabs (clon - GMT->common.R.wesn[XLO]); if (dw >= 360) dw -= 360.0;
  de = fabs (clon - GMT->common.R.wesn[XHI]); if (de >= 360) de -= 360.0;