Fix brush auto-fill, overwrite-empty erasing and single-click erasing - #10071
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Included review availability: This review used your included allowance. Your plan provides up to 2 included reviews per hour; 1 remain after this review. 📝 WalkthroughWalkthroughBrush edits now filter loaded voxels against a configured overwrite value. Erase starts record the initial contour position. Brush completion handles enclosed-area fills and empty contours. ChangesVolume tracing brush
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Bug fix · Severity of issue fixed: Low Merge Risk: ⚪ Minimal · up to The brush fixes appear mergeable after normal checks; the previously reported extra undo step is no longer present. Architecture SummaryArchitecture risk: 🔵 Low · up to The change affects 3 systems. Changed systems: Architecture concerns Review detailsSystems and components
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The new brush path mapped "overwrite empty" to "only write over background". Erasing writes 0, so in that mode it compared 0 against itself and erased nothing — while the UI promises "in case of erasing, only the current segment ID is overwritten", which is what labelWithVoxelBuffer2D does via its overwritableValue. EditContext now carries overwritableValue (0n when painting, the active segment when erasing), and the cube's background probe becomes getIsOverwritableFunction(address, value). As before, the predicate is exact at the source mag only: mag propagation writes unconditionally, so erasing at a coarse mag also clears other segments in the finer mags underneath. wroteVoxelsBox is now set from the stroke's actual write count instead of unconditionally, so the "no voxels were changed" hint fires again when overwrite-empty skipped everything. The design doc's §5.3 claimed erasing was always overwrite-all; corrected, along with the EditContext sketch, emitSpan, the diagrams and §5.4. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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philippotto
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An erase click that never moves left the contour empty: handleDrawStart has added the press position to the contour since #6162 ("make interpolation work when brushing without dragging"), but handleEraseStart never did. The brush branch then called getUnzoomedCentroid(), which for an empty contour destructures contourList[0] and throws "undefined is not iterable". handleEraseStart now adds the press position too, so a single erase click registers a label point (interpolation, tracing direction) just like a single draw click or an erase stroke that moves. Erase-trace polygons therefore start at the press position, as trace polygons already do. getUnzoomedCentroid() returns null for an empty contour instead of throwing, so the case is in the type and both callers have to handle it. Also turns the changelog entry into Fixed entries, since the regressions reached production. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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| /** | ||
| * A predicate telling whether a voxel of this bucket currently holds | ||
| * `overwritableValue`, for the overwrite-empty-only filter. Null when the | ||
| * bucket has no authoritative content to test against. | ||
| */ |
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I know we discussed the value of the docstring. however, now that this abstracts over background, I find the docstring helpful. also, it explains the meaning of the return value being null.
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Actionable comments posted: 2
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Inline comments:
Review comments at
@frontend/javascripts/viewer/model/sagas/volumetracing_saga.tsx:
- Around line 358-360: Update the fill path used before the
`finishAnnotationStrokeAction` dispatch so it skips labeling and the separate
undo step when filling produces no interior voxels. Check the filled buffer for
interior voxels and return an empty `VoxelBuffer2D` when none remain, while
preserving the existing behavior for valid fills.
Review comments at
@frontend/javascripts/viewer/model/volumetracing/integration/wk_data_cube_adapter.ts:
- Around line 53-56: In `getIsOverwritableFunction`, return no overwrite
predicate when `bucket.needsBackendData()` is true, in addition to the existing
null-type and no-data checks. Keep the predicate logic unchanged for buckets
whose backend data is ready.
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design/volume_annotation_architecture.mdfrontend/javascripts/test/model/volumetracing/core/brush.spec.tsfrontend/javascripts/test/model/volumetracing/core/flood_fill.spec.tsfrontend/javascripts/test/model/volumetracing/core/volume_test_harness.tsfrontend/javascripts/test/sagas/volumetracing/volumetracing_saga_integration_1.spec.tsfrontend/javascripts/viewer/controller/combinations/volume_handlers.tsfrontend/javascripts/viewer/model/sagas/volumetracing_saga.tsxfrontend/javascripts/viewer/model/volumetracing/core/volume_annotation_types.tsfrontend/javascripts/viewer/model/volumetracing/core/volume_transaction.tsfrontend/javascripts/viewer/model/volumetracing/core/voxel_cube_interfaces.tsfrontend/javascripts/viewer/model/volumetracing/core/voxel_rasterizer.tsfrontend/javascripts/viewer/model/volumetracing/integration/brush_driver.tsfrontend/javascripts/viewer/model/volumetracing/integration/flood_fill_driver.tsfrontend/javascripts/viewer/model/volumetracing/integration/wk_data_cube_adapter.tsfrontend/javascripts/viewer/model/volumetracing/legacy/section_labeling.tsfrontend/javascripts/viewer/model/volumetracing/not_yet_integrated/working_data_cube.tsunreleased_changes/10071.md
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when the filling-step does nothing)
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sweet, looking good. Thanks for fixing this 🎉
…notation_types.ts Co-authored-by: MichaelBuessemeyer <39529669+MichaelBuessemeyer@users.noreply.github.com>
2 participants
Summary
Fixes three brush regressions from #9972.
Auto-fill. A brush stroke released near where it started gets its enclosed area filled again, in the same undo step as the stroke, as before #9972. The new brush path had simply stopped calling
finishSectionLabeler, which does the fill via the existing lasso/trace path (getFillingVoxelBuffer2D+labelWithVoxelBuffer2D, including the closedness check — release within 2 × brush radius of the start — and the area limit). The brush now calls it again, like every other tool.Erasing with "overwrite empty". The UI promises that in this mode "in case of erasing, only the current segment ID is overwritten", but the new brush path mapped the mode to "only write over background" — so erasing, which writes 0, erased nothing at all.
EditContextnow carries anoverwritableValue(0 when painting, the active segment when erasing, as in the oldlabelWithVoxelBuffer2D), and the cube's background probe becamegetIsOverwritableFunction(address, value). Also, the "No voxels were changed" hint works again: the brush used to mark every stroke as having written voxels.Erasing with a single click crashed the saga (
TypeError: undefined is not iterableinSectionLabeler.getUnzoomedCentroid). Since #6162,handleDrawStartadds the press position to the contour so that single clicks count for interpolation;handleEraseStartnever did, so an erase click that never moves left the contour empty.handleEraseStartnow does the same, so a single erase click registers a label point like a single draw click or a moving erase stroke (and erase-trace polygons start at the press position, like trace polygons).getUnzoomedCentroid()now returnsnullfor an empty contour instead of throwing, so callers have to handle that case.As before, the overwrite check is exact at the current mag only. Coarser/finer mags are written without it, since checking them would require loading their data — so erasing at a coarse mag also clears other segments in the finer mags underneath. The design doc (§1.2, §4, §5.3, §5.4, diagrams) is updated accordingly, including correcting §5.3, which claimed erasing was always "overwrite all".
Steps to test:
Issue:
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