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FIX: grdinterpolate -E can't set correct unit #8734

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Merged
joa-quim merged 1 commit into from
May 18, 2025
Merged

FIX: grdinterpolate -E can't set correct unit #8734

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21 changes: 11 additions & 10 deletions src/grdinterpolate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -456,6 +456,16 @@ EXTERN_MSC int GMT_grdinterpolate (void *V_API, int mode, void *args) {
}
}
else { /* Create profile */
/* Need to get dx,dy from one grid */
if (Ctrl->Z.active) /* Get the first file */
sprintf (file, "%s", Ctrl->In.file[0]);
else /* Get the first layer from 3-D cube possibly via a selected variable */
sprintf (file, "%s?%s[0]", Ctrl->In.file[0], cube_layer);
if ((Grid = GMT_Read_Data (API, GMT_IS_GRID, GMT_IS_FILE, GMT_IS_SURFACE, GMT_CONTAINER_ONLY, NULL, file, NULL)) == NULL) {
GMT_Report (API, GMT_MSG_ERROR, "Unable to read header from file %s.\n", file);
Return (API->error);
}

char prof_args[GMT_LEN128] = {""};
if (!(equi_levels || Ctrl->T.active)) {
GMT_Report (API, GMT_MSG_ERROR, "Option -E requires either equidistant levels or resampling via -T\n");
Expand All @@ -467,16 +477,7 @@ EXTERN_MSC int GMT_grdinterpolate (void *V_API, int mode, void *args) {
}
if (gmt_init_distaz (GMT, Ctrl->E.unit, Ctrl->E.mode, GMT_MAP_DIST) == GMT_NOT_A_VALID_TYPE) /* Initialize the distance unit and scaling */
Return (GMT_NOT_A_VALID_TYPE);

/* Need to get dx,dy from one grid */
if (Ctrl->Z.active) /* Get the first file */
sprintf (file, "%s", Ctrl->In.file[0]);
else /* Get the first layer from 3-D cube possibly via a selected variable */
sprintf (file, "%s?%s[0]", Ctrl->In.file[0], cube_layer);
if ((Grid = GMT_Read_Data (API, GMT_IS_GRID, GMT_IS_FILE, GMT_IS_SURFACE, GMT_CONTAINER_ONLY, NULL, file, NULL)) == NULL) {
GMT_Report (API, GMT_MSG_ERROR, "Unable to read header from file %s.\n", file);
Return (API->error);
}

/* Set default spacing to half the min grid spacing: */
Ctrl->E.step = 0.5 * MIN (Grid->header->inc[GMT_X], Grid->header->inc[GMT_Y]);
if (GMT_Destroy_Data (API, &Grid)) {
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