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feat(ColorMaps): Add grayscale sigmoid colormap based on DICOM standard #3365

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Merged
jadh4v merged 5 commits into from
Dec 12, 2025
+154 −0
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feat(ColorMaps): Add grayscale sigmoid colormap based on DICOM standard #3365

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4d7b8d9
feat(ColorMaps): Add grayscale sigmoid colormap based on DICOM standard
jadh4v Nov 18, 2025
b7dde9b
feat(ColorMaps): Add inverted grayscale colormap preset
jadh4v Nov 25, 2025
4dde193
feat(ColorMaps): support setting aboveRangeColor and belowRangeColor …
jadh4v Nov 25, 2025
0c2deb0
feat(ColorMaps): Add inverted-grayscale sigmoid preset
jadh4v Dec 12, 2025
ede6c29
test(ColorMaps): Update test baseline image for colormap presets
jadh4v Dec 12, 2025
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154 changes: 154 additions & 0 deletions Sources/Rendering/Core/ColorTransferFunction/ColorMaps.json
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Original file line number Diff line number Diff line change
Expand Up @@ -529,6 +529,160 @@
"NanColor" : [ 1, 0, 0 ],
"RGBPoints" : [ 0, 0, 0, 0, 1, 1, 1, 1 ]
},
{
"ColorSpace" : "RGB",
"Name" : "Grayscale-DICOM-sigmoid",
"Notes": "This is a 16 point sample of a sigmoid grayscale colormap described in the DICOM standard. See equation C.11-1 in section C.11.2",
"NanColor" : [ 1, 0, 0 ],
"BelowRangeColor" : [ 0, 0, 0 ],
"AboveRangeColor" : [ 1, 1, 1 ],
"RGBPoints" : [
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},
{
"ColorSpace" : "RGB",
"Name" : "Inverted-Grayscale",
"NanColor" : [ 1, 0, 0 ],
"RGBPoints" : [ 0, 1, 1, 1, 1, 0, 0, 0 ]
},
{
"ColorSpace" : "RGB",
"Name" : "Inverted-Grayscale-DICOM-sigmoid",
"Notes": "This is a 16 point sample of a sigmoid inverted-grayscale colormap described in the DICOM standard. See equation C.11-1 in section C.11.2",
"BelowRangeColor" : [ 1, 1, 1 ],
"AboveRangeColor" : [ 0, 0, 0 ],
"NanColor" : [ 1, 0, 0 ],
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]
},
{
"ColorSpace" : "RGB",
"Name" : "BkRd",
Expand Down
Binary file modified .../Rendering/Core/ColorTransferFunction/test/testColorTransferFunctionPresets.png
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