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<p style="margin-top:0;margin-bottom:0">Thank you for your help,</p>
<p style="margin-top:0;margin-bottom:0">I know that is a possibility but this is to process big amounts of data and I would like to avoid the merge processing time if possible by rasterizing over the same tif...</p>
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<p style="margin-top:0;margin-bottom:0">I would like to know if it is possible...</p>
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<p style="margin-top:0;margin-bottom:0">cheers,</p>
<p style="margin-top:0;margin-bottom:0">Mario</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>De:</b> Even Rouault <even.rouault@spatialys.com><br>
<b>Enviado:</b> jueves, 7 de junio de 2018 13:05:03<br>
<b>Para:</b> gdal-dev@lists.osgeo.org<br>
<b>Cc:</b> Nunez, Mario<br>
<b>Asunto:</b> Re: [gdal-dev] gdal_rasterize failing when trying multiband</font>
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<div class="PlainText">Mario,<br>
<br>
I suggest you use gdal_rasterize to produce as many GeoTIFF files as you have <br>
'burning sessions'<br>
And then use gdal_merge.py -separate to make a single GeoTIFF from all the <br>
above ones.<br>
<br>
Even<br>
<br>
> Hello,<br>
> <br>
> I was doing some point rasterization of vector data from postgis database by<br>
> using gdal_rasterize from a bash script, the command looks like this:<br>
> <br>
> <br>
> gdal_rasterize -a value -b $COUNT -tr $RESOLUTION -te $BBOX -a_nodata<br>
> $NODATA -a_srs $EPSG PG:'host=localhost dbname=databio user=postgres<br>
> password=postgres' -sql "SELECT ST_Centroid(g.geom), AVG($COLUMN) as value<br>
> FROM $GRID g, $OBSERVACION o WHERE utc_date='$DATE' AND<br>
> vessel_cfr='$VESSEL' AND ST_Intersects(o.geom,g.geom) IS TRUE GROUP BY<br>
> g.gid" ./bands/$DATE2"_"$COLUMN".tif"<br>
> <br>
> <br>
> The problem is that I want to generate a geotif file with multiple bands, so<br>
> if I remove the -b $COUNT parameter and value it works and I get a .tif<br>
> file with the -a value printed on it for band1, but the idea is to reuse<br>
> that command in a for loop to add further bands and I am gettin this error:<br>
> <br>
> <br>
> -b option cannot be used when creating a GDAL dataset.<br>
> <br>
> I tried to run the comand once to create the tif file without the -b option<br>
> and then run it additional times with the -b option when the tif is already<br>
> created but it makes no difference.<br>
> <br>
> <br>
> I am stucked with this and I am starting to think that -b option can only be<br>
> used with -burn parmeter and as far as I know -burn is only for constant<br>
> values...<br>
> <br>
> <br>
> thank you in advance for any help.<br>
> <br>
> cheers,<br>
> <br>
> Mario<br>
> <br>
> <br>
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