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Fix NaN region when -Ra determines a degenerate (zero-range) region from data #9164

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Esteban82 merged 2 commits into from
Aug 28, 2026
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Merged

Fix NaN region when -Ra determines a degenerate (zero-range) region from data #9164

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gmtinit_get_region_from_data: Run the w==e/s==n safety valve before r…
Esteban82 Aug 28, 2026
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Esteban82 Aug 28, 2026
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2 changes: 1 addition & 1 deletion src/gmt_init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15101,7 +15101,6 @@ GMT_LOCAL int gmtinit_get_region_from_data(struct GMTAPI_CTRL *API, int family,
if (GMT_Destroy_Data (API, &Out) != GMT_OK)
return (API->error);
geo = gmt_M_is_geographic (API->GMT, GMT_IN);
if (!exact) gmt_round_wesn (wesn, geo); /* Use data range to round to nearest reasonable multiples */
/* Safety valve if w == e or s == n */
if (doubleAlmostEqualZero (wesn[XLO], wesn[XHI])) {
if (gmt_M_is_zero (wesn[XLO])) /* No info to do anything other than this */
Expand All @@ -15115,6 +15114,7 @@ GMT_LOCAL int gmtinit_get_region_from_data(struct GMTAPI_CTRL *API, int family,
else
wesn[YLO] *= 0.9, wesn[YHI] *= 1.1; /* +/- 10% of values */
}
if (!exact) gmt_round_wesn (wesn, geo); /* Use data range to round to nearest reasonable multiples */
break;
default:
GMT_Report (API, GMT_MSG_DEBUG, "gmtinit_get_region_from_data: Family %d not supported", family);
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