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GDAL (Geospatial Data Abstraction Library) is an open source translator library for raster and vector geospatial data formats.
7
votes
Accepted
How to install stable GDAL on Ubuntu 11.10?
GDAL 1.9 is available for Oneiric 11.10 in ubuntugis unstable. https://launchpad.net/~ubuntugis/+archive/ubuntugis-unstable? …
1
vote
GDAL API tutorial does not link: As if CreateLayer is not a member of GDALDataset: Why?
I assume you are using GDAL/OGR 1.11 and reading the API tutorial for the latest (2.x) version. The API changed quite a bit between 1.x and 2.x. … The OGR API tutorial for GDAL 1.11 is http://gdal.org/1.11/ogr/ogr_apitut.html …
2
votes
Gdalbuildvrt dosen't output the vrt file
i.e:
subprocess.check_call([r"C:\Path\to\gdalbuildvrt", "-separate", "-input_file_list", inlist, outVRT])
OR
os.environ['PATH'] = ';'.join(r'c:\Path\to\gdal\bin\directory',os.environ['PATH'])
subprocess.check_call …
5
votes
Accepted
Using rasters with different dimensions in GDAL_calc.py
No, you'll have to clip to match. But you can speed up the process considerably by writing out a VRT instead of a GeoTIFF.
gdalwarp -of VRT -q -cutline convex_hull.shp -tr 0.5 0.5 -of GTiff -srcnoda …
1
vote
Does gdal_calc.py not calculate arithmetic with in the same file?
The output data data type defaults to the input data type which is Byte in your case. Your output needs to be floating point as all the values will be between -1 and 1. When the values get written to …
1
vote
Accepted
gdalcompare.py not found in GDAL 1.10.1
Without downloading the whole gdal package, you can get it from http://svn.osgeo.org/gdal/trunk/gdal/swig/python/scripts/gdalcompare.py …
1
vote
Accepted
why gdaldem is not producing any result?
You have a typo in your command - the 1st argument should be "color-relief" not "color-relif".
1
vote
GDAL Virtual File System (vsitar, vsizip, vsicurl) not working
I couldn't open it using /vsigzip//vsicurl/ or /vsitar//vsicurl/.
It's a tar.gz of multiple files. Your best option is to download it (manually or you can script with curl or wget, or in python vi …
4
votes
Accepted
GDAL in global silent mode
As you've noticed, some GDAL commandline tools support a -q flag, but not all. There's no -q or --quiet type flag in the arguments common to all GDAL raster and vector commandline tools. …
2
votes
GDAL: *.nc rasters, opened as "netCDF/Network Common Data Format" under Linux and as " HDF5/...
C:\Temp>gdalinfo --version
GDAL 1.11.2, released 2015/02/10
I think there are 2 issues:
1. … The Windows NetCDF driver isn't trying to open your .nc file
Your answer that says "Under Windows (at least with GDAL installed using the OSGeo4W installer) GDAL comes with an older library for netCDF …
1
vote
Accepted
Error 193 while running gdal_calc.py using subprocess.call in Python
The gdal_calc.py script isn't an executable. Try calling python gdal_calc.py etc...
subprocess.call([sys.executable, 'C:\\gdal_calc.py', '-A', 'C:\\a.tif', '--outfile=C:\\result.tif', '--calc="A+1"'] …
2
votes
AttributeError with ExecuteSQL
ExecuteSQL is a method of a DataSource object, not a Layer.
Use something like the following instead:
data_source = ogr.Open(dataset)
full_lyr = data_source .GetLayer(0)
layerName = full_lyr.GetName …
1
vote
Accepted
GDAL 2.x method for determing if an object is a raster or a vector
You can use Dataset.RasterCount to test if the dataset is raster and Dataset.GetLayerCount() for vector.
Source: http://osgeo-org.1560.x6.nabble.com/Discover-whether-a-GDALDataset-is-raster-or-vector …
2
votes
Best way to copy GDAL metadata from one JP2 image to another
(untested as I'm not running GDAL >=2.0dev):
from osgeo import gdal
def read_vsimem(filepath):
""" Read GDAL vsimem files """
vsifile = gdal.VSIFOpenL(filepath,'r')
gdal.VSIFSeekL(vsifile, … 0, 2)
vsileng = gdal.VSIFTellL(vsifile)
gdal.VSIFSeekL(vsifile, 0, 0)
return gdal.VSIFReadL(1, vsileng, vsifile)
def write_vsimem(filepath,data):
""" Write GDAL vsimem files """
vsifile …
1
vote
Using GDAL to convert a .bin to .tif
Delete that and your .hdr file will work and your .bin will be recognized by GDAL.
Even better, use the VRT's suggested by @mdsumner. …