cdfDefVarMissval: changed xtype from NC_BYTE to NC_INT for missvals > 127

da12db61 · Uwe Schulzweida · 12fdaa16 · da12db61 · da12db61
Commit da12db61 authored Jun 06, 2013 by Uwe Schulzweida
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ChangeLog ChangeLog +1 -0

src/stream_cdf.c src/stream_cdf.c +2 -0

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--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,7 @@

 2013-06-06  Uwe Schulzweida  <Uwe.Schulzweida@zmaw.de>

+	* cdfDefVarMissval: changed xtype from NC_BYTE to NC_INT for missvals > 127 (workaround for a netCDF bug)
 	* use 'number_of_grid_used' only for undefined grid types

 2013-06-03  Uwe Schulzweida  <Uwe.Schulzweida@zmaw.de>

--- a/src/stream_cdf.c
+++ b/src/stream_cdf.c
@@ -689,6 +689,8 @@ void cdfDefVarMissval(stream_t *streamptr, int varID, int dtype, int lcheck)
      if ( lcheck && streamptr->ncmode == 2 ) cdf_redef(fileID);

      xtype = cdfDefDatatype(dtype, streamptr->filetype);
+      /* workaround for a netCDF bug? */
+      if ( xtype == NC_BYTE && missval > 127 ) xtype = NC_INT;

      cdf_put_att_double(fileID, ncvarid, "_FillValue", (nc_type) xtype, 1, &missval);
      cdf_put_att_double(fileID, ncvarid, "missing_value", (nc_type) xtype, 1, &missval);