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Results tagged with gdal
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user 51990
GDAL (Geospatial Data Abstraction Library) is an open source translator library for raster and vector geospatial data formats.
7
votes
1
answer
1k
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1
vote
1
answer
581
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What is the unit of smoothing in gdal_grid?
I am using the gdal_grid command line with invdist algorithm and would like to spedify a smoothing parameter but I am wondering whether it shouold be in pixel or data units (meters in my case)?
I've …
- 255
0
votes
1
answer
1k
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Using gdal.Warp cutlineSQL option in python?
How to tell gdal which database connection to use?
Or maybe I misunderstood the meaning of this parameter?
How to provide a cutline to Warp method then? … What I have so far :
from osgeo import gdal
from osgeo.gdalconst import GA_ReadOnly
# input dataset
dataset = gdal.OpenShared(path, GA_ReadOnly)
raster = dataset.GetRasterBand(1)
# warp options
db_conn …
- 255
4
votes
Using gdal.Warp cutlineSQL option in python?
Ok, after a lot of efforts :-p, I ended up with a working script:
from osgeo import gdal
db_conn = "PG:host=xx.xx.xx.xx port=5432 user='xxxx' password='xxxx' dbname='xxxx'"
warp_opts = gdal.WarpOptions …
- 255
3
votes
0
answers
662
views
gdal_grid invdistnn with smoothing?
algorithm, I have "false" results because points far away from a pixel can influence it too much due to their greastest density
I tried to use the radius1, radius2 and max_points parameters, but it seems gdal … I am using GDAL 2.1 …
- 255