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Fix Tiled TIFF BitCellType Segments conversion - #3102
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pomadchin merged 2 commits intoOct 3, 2019
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| assertEqual(tiffTile.toArrayTile(), tile.toArrayTile) | ||
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| // check that it is possible to convert int cellType to bit cellType | ||
| // and that bitCellType conversion is idempotent |
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This requires idempotence check, since it is the best way to prove that we're setting / unsetting and inverting bits correct to check that even / odd number of conversions would not affect the final result.
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Signed-off-by: Grigory Pomadchin <[email protected]>
Signed-off-by: Grigory Pomadchin <[email protected]>
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Overview
This PR fixes
GeoTIffTileCellTypeconversion, in particularGeoTiffSegmentCellTypeconversions. During the work on this fix, it became obvious that our TIFF API doesn't support a proper work withstripedBitTiffs(this fact made this issue debugging a bit more tricky), that is why this PR at least coversTiledtiffs support.Checklist
docs/CHANGELOG.rstupdated, if necessaryFixes #3055
Note
This issue indeed closes #3055 in any case, since COGs are Tiled TIFFs. If this PR won't cover
StripedTIFFs support, I will create a separate issue to address it. This PR blocks a 3.0 release, a complete striped bit TIFFs support does not.