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Speed up multi source compositing in tiled cases #1513

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merged 1 commit into from
Apr 24, 2024
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Speed up multi source compositing in tiled cases #1513

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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
### Improvements
- Improve uint16 image scaling ([#1511](../../pull/1511))
- Read some untiled tiffs using the tiff source ([#1512](../../pull/1512))
- Speed up multi source compositing in tiled cases ([#1513](../../pull/1513))

## 1.28.1

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2 changes: 1 addition & 1 deletion sources/multi/large_image_source_multi/__init__.py
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Expand Up @@ -1098,12 +1098,12 @@ def _addSourceToTile(self, tile, sourceEntry, corners, scale):
:returns: a numpy array of the tile.
"""
source = self._sources[sourceEntry['sourcenum']]
ts = self._openSource(source, sourceEntry['kwargs'])
# If tile is outside of bounding box, skip it
bbox = source['bbox']
if (corners[2][0] <= bbox['left'] or corners[0][0] >= bbox['right'] or
corners[2][1] <= bbox['top'] or corners[0][1] >= bbox['bottom']):
return tile
ts = self._openSource(source, sourceEntry['kwargs'])
transform = bbox.get('transform')
x = y = 0
# If there is no transform or the diagonals are positive and there is
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