Skip unavailable coordinate variables (bug fix).

ChangeLog

@@ -2,6 +2,10 @@
 
 	* Version 1.9.3 released
 
+2018-01-16  Uwe Schulzweida
+
+	* Skip unavailable coordinate variables (bug fix)
+
 2018-01-13  Uwe Schulzweida
 
 	* streamFilesuffix(): refactoring (bug fix)

src/stream_cdf_i.c

@@ -1343,6 +1343,8 @@ void cdf_scan_var_attr(int nvars, ncvar_t *ncvars, ncdim_t *ncdims, int timedimi
                     }
                   else
                     {
+                      if ( !cdiIgnoreAttCoordinates ) ncvars[ncvarid].ncoordvars++;
+
                       int k;
                       for ( k = 0; k < nchecked_vars; ++k )
                         if ( strcmp(checked_vars[k], varname) == 0 ) break;
@@ -3874,13 +3876,16 @@ int cdfInqContents(stream_t *streamptr)
 	  int ncoordvars = ncvar->ncoordvars;
 	  for ( int i = 0; i < ncoordvars; i++ )
 	    {
-	      if      ( ncvars[ncvar->coordvarids[i]].islon ||
-                        ncvars[ncvar->coordvarids[i]].isx )   ncvar->xvarid = ncvar->coordvarids[i];
-	      else if ( ncvars[ncvar->coordvarids[i]].islat ||
-                        ncvars[ncvar->coordvarids[i]].isy )   ncvar->yvarid = ncvar->coordvarids[i];
-	      else if ( ncvars[ncvar->coordvarids[i]].islev ) ncvar->zvarid = ncvar->coordvarids[i];
-	      else if ( ncvars[ncvar->coordvarids[i]].isc )   ncvar->cvarids[i] = ncvar->coordvarids[i];
-	    }
+              if ( ncvar->coordvarids[i] != CDI_UNDEFID )
+                {
+                  if      ( ncvars[ncvar->coordvarids[i]].islon ||
+                            ncvars[ncvar->coordvarids[i]].isx )   ncvar->xvarid = ncvar->coordvarids[i];
+                  else if ( ncvars[ncvar->coordvarids[i]].islat ||
+                            ncvars[ncvar->coordvarids[i]].isy )   ncvar->yvarid = ncvar->coordvarids[i];
+                  else if ( ncvars[ncvar->coordvarids[i]].islev ) ncvar->zvarid = ncvar->coordvarids[i];
+                  else if ( ncvars[ncvar->coordvarids[i]].isc )   ncvar->cvarids[i] = ncvar->coordvarids[i];
+                }
+            }
 	}
     }