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fix: prevent FRACTIONAL colormap from being replaced on opacity change #431

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fix: prevent FRACTIONAL colormap from being replaced on opacity change #431

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6 changes: 5 additions & 1 deletion src/components/SegmentItem.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -99,11 +99,15 @@ class SegmentItem extends React.Component<SegmentItemProps, SegmentItemState> {
return { currentStyle: newStyle }
},
() => {
/**
* Only send opacity - do not include color. For FRACTIONAL segments,
* sending color would replace the distinct colormap with a flat LUT.
* Color changes are handled separately by handleColorChange.
*/
this.props.onStyleChange({
segmentUID: this.props.segment.uid,
styleOptions: {
opacity,
color: this.state.currentStyle.color,
},
})
},
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