<br><font size=2 face="sans-serif">Hi,</font>
<br>
<br><font size=2 face="sans-serif">I have converted the ESRI ascii grid
file to Geotiff and did gdaladdo on it too. Thean, using gdalinfo I get:</font>
<br>
<br><font size=2 face="sans-serif">Driver: GTiff/GeoTIFF</font>
<br><font size=2 face="sans-serif">Files: LDAY.tif</font>
<br><font size=2 face="sans-serif">Size is 3401, 2601</font>
<br><font size=2 face="sans-serif">Coordinate System is `'</font>
<br><font size=2 face="sans-serif">Origin = (6398997.500000000000000,5044002.500000000000000)</font>
<br><font size=2 face="sans-serif">Pixel Size = (5.000000000000000,-5.000000000000000)</font>
<br><font size=2 face="sans-serif">Corner Coordinates:</font>
<br><font size=2 face="sans-serif">Upper Left ( 6398997.500, 5044002.500)</font>
<br><font size=2 face="sans-serif">Lower Left ( 6398997.500, 5030997.500)</font>
<br><font size=2 face="sans-serif">Upper Right ( 6416002.500, 5044002.500)</font>
<br><font size=2 face="sans-serif">Lower Right ( 6416002.500, 5030997.500)</font>
<br><font size=2 face="sans-serif">Center ( 6407500.000,
5037500.000)</font>
<br><font size=2 face="sans-serif">Band 1 Block=3401x1 Type=Float32, ColorInterp=Gray</font>
<br><font size=2 face="sans-serif"> NoData Value=-999</font>
<br><font size=2 face="sans-serif"> Overviews: 1701x1301, 851x651,
426x326, 213x163</font>
<br>
<br><font size=2 face="sans-serif">So the nodata value is -999. I have
tried making this nodata area transparent using:</font>
<br>
<br><font size=2 face="sans-serif">PROCESSING "NODATA=-999" but
it doesn't work. Am I doing something wrong? Can I do it with OFFSITE parameter?</font>
<br>
<br><font size=2 face="sans-serif">thanks very much</font>
<br>
<br><font size=2 face="sans-serif">regards, dejan</font>