DICOM support with properties

[Benjamin Gilbert]

On Tue, May 9, 2023 at 8:37 PM Jim O'Donnell <jim.odonnell at pathai.com> wrote:
> I've been very excited to see the new support for DICOM that recently got merged! I'm working on a PR that will expose some of the openslide.* properties that we rely on, and I'm reaching out in advance.
>
> My plan is to infer openslide.mpp-x and openslide.mpp-y from SharedFunctionalGroupsSequence -> PixelMeasuresSequence -> PixelSpacing, and openslide.objective-power from ObjectiveLensPower. I'll cache these at each layer alongside the tile information and refer to the lowest layer for setting the props.
>
> In a separate PR I'd like to also expose openslide.associated.label and openslide.associated.macro. It looks like that should be fairly trivial as there's already code to identify those objects.

Thanks for your interest!  I think John Cupitt is also planning to
work on adding property and associated image support, so it'd be good
to coordinate your work with him, either here or in
https://github.com/openslide/openslide/issues/142.

Best,
--Benjamin Gilbert