Re: [gdal-dev] Croping raster map but keeping up the grid without resampling

2012-10-29 Thread Luis Lisboa
? Thank you Regards On Mon, Oct 29, 2012 at 11:40 AM, Etienne Tourigny etourigny@gmail.comwrote: I guess you are using gdalwarp (although you didn't specifically mention it). You should be using gdal_translate with the -srcwin option Etienne On Mon, Oct 29, 2012 at 6:47 AM, Luis Lisboa

Re: [gdal-dev] Question about using crop_to_cutline

2012-10-25 Thread Luis Lisboa
Hi I have exacly the same problem. It is resampling to the extent of the polygon instead of croping just the pixels inside the polygon and using the pixel frame of the original image. How can this be fixed? Regards Luis Lisboa - ORIGINAL MESSAGE

[gdal-dev] Orthorectification iN GDAL

2012-10-17 Thread Luis Lisboa
Greetings I want to orthorectify a few SPOT images and at QGIS mailing list someone indicated me that this feature is available in GDAL. I have checked but I didn't find anything. Can anyone confirm me this? Regards Luis ___ gdal-dev mailing list

Re: [gdal-dev] How to cut a Raster map with a KML file

2012-09-12 Thread Luis Lisboa
= 1.8.0http://www.gisinternals.com/sdk/required cheers Jorge Santos 2012/9/11 Luis Lisboa luislisboa1...@gmail.com Hi Eli Probably I was not clear: When I use this it outputs a geotiff with two bands: 1 with the real data and another one with the mask of the pixels that fall inside each polygon

Re: [gdal-dev] How to cut a Raster map with a KML file

2012-09-05 Thread Luis Lisboa
: Luis, gdalwarp has some options for this exact purpose. The cutline can be from any of the OGR readable datasource. http://www.gdal.org/gdalwarp.html On Mon, Sep 3, 2012 at 9:34 PM, Luis Lisboa luislisboa1...@gmail.comwrote: Greetings I have a raster file (Geotiff) and I have a KML file

Re: [gdal-dev] How to cut a Raster map with a KML file

2012-09-04 Thread Luis Lisboa
/gdalwarp.html On Mon, Sep 3, 2012 at 9:34 PM, Luis Lisboa luislisboa1...@gmail.comwrote: Greetings I have a raster file (Geotiff) and I have a KML file with a polygon and I want to cut raster map to only have valid values inside the polygon. How can I do this using just GDAL? Usually I used

[gdal-dev] How to cut a Raster map with a KML file

2012-09-03 Thread Luis Lisboa
Greetings I have a raster file (Geotiff) and I have a KML file with a polygon and I want to cut raster map to only have valid values inside the polygon. How can I do this using just GDAL? Usually I used to cut geotiff file with gdalwarp and but in those cases I was cutting a square (xmin xmax

[gdal-dev] Using GDAL with KOMPSAT-2 images

2010-05-26 Thread Luis Lisboa
Greetings While I was importing to GRASS some KOMPSAT-2 images I got a few warnings. Then, I decided to do some GDALINFO over those Kompsat-2 images and I got the following warnings: Warning 1: TIFFFetchNormalTag:ASCII value for tag DocumentName does not end in null byte Warning 1: