All Questions
5 questions with no upvoted or accepted answers
3
votes
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answers
185
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Is it possible (and how) to mask NoData values using Scikit-learn PCA?
I have to carry out a Principal Component Analysis (sklearn.decomposition.PCA) on a dataset composed of several images. Some of these images have very large gaps due to the removal of clouds.
Is there ...
- 89
2
votes
0
answers
69
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How do I batch-assign NoData values?
I have a number of rasters I need to mosaic together. The areas with data are within a rectangular "nan" envelope. The "nan" envelopes of different rasters overlap each other. No ...
- 151
1
vote
0
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42
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How to get novalue data of xyz points
I have multibeam and single beam xyz points.
I am looking to do the exact same process as Patch over raster A with values from raster B where raster A values are nodata in GDAL as I want to infill the ...
- 23
0
votes
2
answers
456
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rasterio.fill.fillnodata doesn't work as expected
I have a DEM of a lake bottom, that contains a few holes (nodata) which I'd like to fill. For that purpose i'm using rasterio's fillnodata with a mask. Unfortunatly, I don't get the results I am ...
- 187
0
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486
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Adding two rasters results in negative infinity and positive infinity
I'm trying to create a hydro-flattened DEM according to USGS specifications. I have two rasters, a DEM of my study area and a raster that only contains the water bodies that I have flattened so the ...
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