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This can be accessed either via the command line (
large_image_converter
) or via thePOST item/{itemId}/tiles/convert
endpoint and selecting theformat
aperio
option.It has some basic integration tests and manually has been checked to work with ImageScope.
If the source image does not have a label image, a thumbnail with a restricted aspect ratio (no more than a factor of 1.5 between the larger and smaller dimension) is used. ImageScope essentially requires there to be some image for the label; in the future we may want options to place a different image there.
For multi-frame images that have distinct z values for each frame, the z value is store so ImageScope will show the appropriate focus slider with units in microns. For other multi-frame images, the z value is just the frame value.
Not all metadata is preserved in the conversion; this can be expanded in the future.