<br><font size=2 face="sans-serif">Sorry, the nodata areas are transparent
indeed, even without any parameter !</font>
<br>
<br><font size=2 face="sans-serif">dejan</font>
<br>
<br><tt><font size=2>Dejan Gambin/GradPula wrote on 05.10.2008 00:06:23:<br>
<br>
> Hi,</font></tt>
<br><tt><font size=2>> <br>
> I have converted the ESRI ascii grid file to Geotiff and did <br>
> gdaladdo on it too. Thean, using gdalinfo I get:</font></tt>
<br><tt><font size=2>> <br>
> Driver: GTiff/GeoTIFF</font></tt>
<br><tt><font size=2>> Files: LDAY.tif</font></tt>
<br><tt><font size=2>> Size is 3401, 2601</font></tt>
<br><tt><font size=2>> Coordinate System is `'</font></tt>
<br><tt><font size=2>> Origin = (6398997.500000000000000,5044002.500000000000000)</font></tt>
<br><tt><font size=2>> Pixel Size = (5.000000000000000,-5.000000000000000)</font></tt>
<br><tt><font size=2>> Corner Coordinates:</font></tt>
<br><tt><font size=2>> Upper Left ( 6398997.500, 5044002.500)</font></tt>
<br><tt><font size=2>> Lower Left ( 6398997.500, 5030997.500)</font></tt>
<br><tt><font size=2>> Upper Right ( 6416002.500, 5044002.500)</font></tt>
<br><tt><font size=2>> Lower Right ( 6416002.500, 5030997.500)</font></tt>
<br><tt><font size=2>> Center ( 6407500.000, 5037500.000)</font></tt>
<br><tt><font size=2>> Band 1 Block=3401x1 Type=Float32, ColorInterp=Gray</font></tt>
<br><tt><font size=2>> NoData Value=-999</font></tt>
<br><tt><font size=2>> Overviews: 1701x1301, 851x651, 426x326,
213x163</font></tt>
<br><tt><font size=2>> <br>
> So the nodata value is -999. I have tried making this nodata area
<br>
> transparent using:</font></tt>
<br><tt><font size=2>> <br>
> PROCESSING "NODATA=-999" but it doesn't work. Am I doing
something <br>
> wrong? Can I do it with OFFSITE parameter?</font></tt>
<br><tt><font size=2>> <br>
> thanks very much</font></tt>
<br><tt><font size=2>> <br>
> regards, dejan</font></tt>