Re: [gdal-dev] Removing Nodata pixels from raster

t.tif > > where xoff, yoff are the number of pixels from the image origin that your > valid region begins(pixels, lines). See > http://gdal.org/gdal_translate.html for more info. > > > > On Thu, Oct 25, 2012 at 8:05 AM, katrin eggert > wrote: > >> Greetin

[gdal-dev] Removing Nodata pixels from raster

Greetings I have a Geotif with only one Layer with a size of 6000x5000 but from which I only have a square of 60x100 with bvalid pixels. the remaining are NOdata. The problem is that this Geotiff is a big file 90MB and without these NoData values I would have a much smaller raster. How can I genera

[gdal-dev] Extract centroids

Greetings Just one question: I tried to find in Google if GDAL could be used to extract polygons centroids. But I was not able to find anything. Is it possible? Kat ___ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo

[gdal-dev] Question about Reprojecting a Shapefile

Hi I'm trying to reprojec a shapefile using ogr2ogr -f "esri Shapefile" -t_srs EPSG:32736 Areas_.shp reproj_parcel.shp but I get this error: FAILURE: Unable to open datasource `reproj_parcel.shp' with the following drivers. with: ogr2ogr -t_srs EPSG:32736 Areas_.shp reproj_parcel.shp I also get th

Re: [gdal-dev] Generate a KML-overlay from a Geotiff file

g the float valued pixels to > the range [0,255]. > > I suggest scaling the pixel values to byte type using the -scale option in > gdal_translate. > > > On Fri, Oct 28, 2011 at 7:34 PM, katrin eggert > wrote: > >> Hi >> Gdalinfo reproject.tif >> >

Re: [gdal-dev] Generate a KML-overlay from a Geotiff file

gdal2tile >python gdal2tiles.py -k /home/user/reprojected.tif /home/user/gdal2tile 2011/10/28 Chaitanya kumar CH > Kat, > > Please provide the whole command you used and the output of gdalinfo on > your input file. > > On Fri, Oct 28, 2011 at 4:34 PM, katrin eggert >

Re: [gdal-dev] Generate a KML-overlay from a Geotiff file

Hi I have used gdal2tile.py like this python gdal2tile.py -k [input] [output] and the tiels that are generated are nothing to do with the input image. It has changed the image by almost plotting random values pixels. Is there any limitation regarding inpu timage (e.g. it must be integer or somethin

[gdal-dev] Generate a KML-overlay from a Geotiff file

Greetings Is there any tool in GDAL to generate KML-overlay maps from a Geotiff file (with a single raster map)? Thanks Kat ___ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev

Re: [gdal-dev] gdalwarp over tiles in Plate carée

No in my case i want to reproject them first and only then to create a mosaic. (maybe I was not clear on this) 2011/7/8 Eli Adam > > Greetings > > I'm using gdalwarp to reproject a few tiles from platecarré to UTM > WGS84 > > (for a specific zone). Originally they are tiles so they don't have >

[gdal-dev] gdalwarp over tiles in Plate carée

Greetings I'm using gdalwarp to reproject a few tiles from platecarré to UTM WGS84 (for a specific zone). Originally they are tiles so they don't have any "blank" space between them but when I reproject to UTM I get a few areas in the borders of the image. What can I do to still have a perfect matc

[gdal-dev] Re: GDAL18 binary for Windows

Jorge have me this link: http://vbkto.dyndns.org/sdk/ but these are not ready-to-use GDAL like this one: http://download.osgeo.org/gdal/win32/1.6/gdalwin32exe160.zip So is there any update of these ready to use gdal versions? Thanks Kat 2011/3/28 katrin eggert > Greetings > > I saw t

[gdal-dev] GDAL18 binary for Windows

Greetings I saw that a new GDAL18 was launched and it's available for windows. I would like to know if it's already available a GDAL binary that I can run without need of OSGEO or anything like that (just like you have done for GDAL15). Thanks Kat ___ gd