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Add shared overlay display controls and PET/CT sample - #977

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PaulHax wants to merge 13 commits into
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PaulHax:overlay-display-controls
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PaulHax wants to merge 13 commits into
Kitware:mainfrom
PaulHax:overlay-display-controls

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@PaulHax

@PaulHax PaulHax commented Oct 17, 2026 •

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Adds shared 2D overlay controls for color map, live min/max range, opacity, and background transparency. Settings persist across layouts and saved sessions. Scalar overlays use background transparency by default, fading in over the first 10% of the display range above Min to reveal the underlying anatomy.

Adds a PET/CT chest sample that loads ten original DICOM slices per modality directly from TCIA using a flat list of URLs, about 6.1 MB total. Sample cards are more compact, with source citations grouped in Help.

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@PaulHax
PaulHax force-pushed the overlay-display-controls branch 5 times, most recently from 9fce310 to 7dbb1ea Compare October 18, 2026 22:33
Add palette, contrast, range, and visibility controls for slice images,
plus overlay opacity and background transparency. Persist settings
across views, layouts, and saved sessions.
Load ten original CT slices and ten PET slices directly from TCIA URLs,
with PET layered over CT. Compact the sample cards and collect dataset
citations in the application help dialog.
@PaulHax
PaulHax force-pushed the overlay-display-controls branch from fa7a0b7 to 638abf0 Compare October 19, 2026 15:42

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