GDAL is an open source translator library & utilities for raster geospatial data formats. As a library, it presents a single abstract data model to the calling application for all supported formats. It also comes with a variety of useful commandline utilities for data translation and processing.
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330 views
Tiling high resolution image using GDAL tools
I have a .tif image that I georeferenced using QGIS utility. It was originally in UTM with NAD83 as datum.
I need to make tiles out of it and get a kml file to overlay onto google earth.
Here's how I ...
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votes
1answer
26 views
Local variance image in python using gdal and a running window approach
I want a local variance image with a 3x3 of a geospatial raster image using python. My approach so far was to read in the raster band as an array, then using matrix notation to run a moving window and ...
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1answer
63 views
Export KML ExtendedData with OGR2OGR
I would like to export with ogr2ogr the data I have in a kml as ExtendedData
<Placemark>
<ExtendedData>
<SchemaData schemaUrl="#15540_punti">
...
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1answer
99 views
How to clip raster by multiple polygons in multi rasters?
Using QGIS, I want to clip a raster by multiple polygons contained in a single shapefile. I read that gdalwarp can clip my raster by multiple polygons BUT the output is a single merged clipped raster. ...
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votes
1answer
185 views
Installing GDAL with Java Bindings (gdal.jar) on Ubuntu 12.10
I am trying to build a postgis importer for mutliple shapefiles. After geotools took orders of magnitude longer than shp2pgsql to import my data, I decided to attempt to use the java bindings to GDAL ...
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1answer
38 views
gdalwarp cant find libproj.dlib
Thought I had finally got Python, gdal and QGIS to play nicely together but just tried to do a batch transform using a bash script to call gdalwarp and it claimed it couldn't read the libproj.dlib ...
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votes
1answer
71 views
GeoTIFF: How to remove Internal Overview without recompression
"gdaladdo -clean" does not remove the internal overview from the file see http://trac.osgeo.org/gdal/ticket/4940
How do I remove GeoTIFF overview(s) without having to re-compress the main image.