Comments (2)
nvkelso
commented on August 11, 2024
There was a GDAL config error related to NODATA that manifests where two or more sources touch in this old build. To work around it you'd need to do light pre-processing on the tile data to scrub non-sensical data like this.
Ideally there would be another global build to fix this, but it needs resourcing of engineering time and compute.
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vpicaver
commented on August 11, 2024
Bad data also exists in
13 1258 2742, related to the row of data.
In 13, 2358, 2742 the elevation data is -6872m.
In 14, 2519, 5484 there's two rows of data that are invalid with data -8566.33m and 82.75m.
What would you suggest on doing reliable "light pre-processing"? Currently, I'm using z-score to through out outliers. Do you any a better method?
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Related Issues (20)
- GMTED being used erroneously at high zoom levels
- Wrong tiles in Istanbul
- Data resolution HOT 2
- DEM FRANCE 1 meter open licence HOT 3
- SwissBATHY3D
- Add swissALTI3D dataset
- What vertical reference is used in the tile data? HOT 5
- How to generate normal tiles from a local dem file?
- Not able to generate normal tiles
- Uncomplete data in Germany on zoom level 14 and 15
- Contours ?
- DEM MAPS
- 1m LiDAR DEM for British Columbia
- opening .hgt.gz files in QGIS HOT 1
- CORS expose x-amz-meta-x-imagery-sources header HOT 3
- contours.axismaps.com HOT 1
- EU AWS S3 bucket HOT 2
- S3 bucket download to linux issue HOT 7
- Bad data around 15/19444/12981 and westwards
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