netCDF: added env IGNORE_VALID_RANGE to ignore the attribute valid_range

ChangeLog

@@ -3,6 +3,10 @@
 	* Version 1.6.0 released
         * using CGRIBEX library version 1.6.0
 
+2013-02-04  Uwe Schulzweida  <Uwe.Schulzweida@zmaw.de>
+
+	* netCDF: added env IGNORE_VALID_RANGE to ignore the attribute valid_range
+
 2013-01-31  Uwe Schulzweida  <Uwe.Schulzweida@zmaw.de>
 
 	* stream_cgribex::cgribexGetGrid: add 360 to lastLon, if lastlon <firstLon [Bug #3189]

src/stream_cdf.c

@@ -4722,11 +4722,15 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
             {
               if ( ncvars[ncvarid].lvalidrange == FALSE )
                 {
-                  cdfGetAttDouble(ncid, ncvarid, attname, 2, ncvars[ncvarid].validrange);
-                  ncvars[ncvarid].lvalidrange = TRUE;
-                  if ( ((int)ncvars[ncvarid].validrange[0]) == 0 && ((int)ncvars[ncvarid].validrange[1]) == 255 )
-                    ncvars[ncvarid].lunsigned = TRUE;
-                  /* cdfSetVar(ncvars, ncvarid, TRUE); */
+                  extern int cdiIgnoreValidRange;
+                  if ( cdiIgnoreValidRange == FALSE )
+                    {
+                      cdfGetAttDouble(ncid, ncvarid, attname, 2, ncvars[ncvarid].validrange);
+                      ncvars[ncvarid].lvalidrange = TRUE;
+                      if ( ((int)ncvars[ncvarid].validrange[0]) == 0 && ((int)ncvars[ncvarid].validrange[1]) == 255 )
+                        ncvars[ncvarid].lunsigned = TRUE;
+                      /* cdfSetVar(ncvars, ncvarid, TRUE); */
+                    }
                 }
             }
           else if ( strcmp(attname, "valid_min") == 0 && attlen == 1 )

src/stream_int.c

@@ -33,6 +33,7 @@ int cdiChunkType       = CHUNK_GRID;
 int cdiSplitLtype105   = CDI_UNDEFID;
 
 int cdiIgnoreAttCoordinates = FALSE;
+int cdiIgnoreValidRange     = FALSE;
 int cdiSkipRecords          = 0;
 int cdiInventoryMode        = 1;
 
@@ -207,6 +208,9 @@ void cdiInitialize(void)
       envString = getenv("IGNORE_ATT_COORDINATES");
       if ( envString ) cdiIgnoreAttCoordinates = atoi(envString);
 
+      envString = getenv("IGNORE_VALID_RANGE");
+      if ( envString ) cdiIgnoreValidRange = atoi(envString);
+
       envString = getenv("CDI_SKIP_RECORDS");
       if ( envString )
 	{
@@ -268,7 +272,7 @@ char *strfiletype(int filetype)
   if ( filetype > 0 && filetype < size )
     name = Filetypes[filetype];
   else
-    name = Filetypes[0];  
+    name = Filetypes[0];
 
   return (name);
 }