mikonvergence
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Update README.md
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README.md
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@@ -96,7 +96,7 @@ stream = BytesIO(first_row_group['thumbnail'][0].as_py())
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image = Image.open(stream)
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```
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### Reprojection Details
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-
Contrary to [S1 RTC](huggingface.co/datasets/Major-TOM/Core-S1RTC) and S2 ([L1C](huggingface.co/datasets/Major-TOM/Core-S2L1C) & [L2A](huggingface.co/datasets/Major-TOM/Core-S2L2A)) products, which are taken in their native projection to create their respective Major TOM Core datasets, Copernicus DEM, natively in EPSG:4326, was reprojected to a carefully chosen projection. To guarantee uniformity across Major Tom sources, it was reprojected to the corresponding UTM zone of the cell. This leads to inconsistency between Sentinel-2 and COP-DEM cells in some cases. For the S2-L2A product this is estimated to 2.5% of all the cells where COP-DEM and S2-L2A are available (out of
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Large DEM tiles were projected and resampled to 30m using bilinear interpolation. Small major tom cells were then cropped for it using nearest neighbor interpolation if needed. Some tiles above water and around Armenia and Azerbaijan, may exhibit missing pixels which value were set to -32767.
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image = Image.open(stream)
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```
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### Reprojection Details
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+
Contrary to [S1 RTC](huggingface.co/datasets/Major-TOM/Core-S1RTC) and S2 ([L1C](huggingface.co/datasets/Major-TOM/Core-S2L1C) & [L2A](huggingface.co/datasets/Major-TOM/Core-S2L2A)) products, which are taken in their native projection to create their respective Major TOM Core datasets, Copernicus DEM, natively in EPSG:4326, was reprojected to a carefully chosen projection. To guarantee uniformity across Major Tom sources, it was reprojected to the corresponding UTM zone of the cell. This leads to inconsistency between Sentinel-2 and COP-DEM cells in some cases. For the S2-L2A product this is estimated to 2.5% of all the cells where COP-DEM and S2-L2A are available (41,998 out of 1,679,898 cells).
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Large DEM tiles were projected and resampled to 30m using bilinear interpolation. Small major tom cells were then cropped for it using nearest neighbor interpolation if needed. Some tiles above water and around Armenia and Azerbaijan, may exhibit missing pixels which value were set to -32767.
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