Cross section hover cursor - #1097
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Add an opt-in viewer-wide toggle (showCrossSectionHoverPosition) that draws the mouse-hover position from one 2D cross-section panel as a reticle marker in every other cross-section panel, fading with distance from each panel's slice plane. Bound to the "c" key and exposed in the viewer settings; serialized in the viewer state, Python API, and JSON schema.
…nt shader (google#1078) * perf: improve volume rendering loop perf on depth this speeds up the depth check by interpolating the clip positions to avoid a per ray step matrix multiplication and depth texture fetch * test(python, vr): more reliable test and check ortographic and projection * fix(python, test): restore object alpha for mesh picking test * chore: format
Add an opt-in viewer-wide toggle (showCrossSectionHoverPosition) that draws the mouse-hover position from one 2D cross-section panel as a reticle marker in every other cross-section panel, fading with distance from each panel's slice plane. Bound to the "c" key and exposed in the viewer settings; serialized in the viewer state, Python API, and JSON schema.
…p/neuroglancer into cross-section-hover-cursor
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Summary
This implements an option to display the cursor in the cross section synchronously when layers are viewed side-by-side
Details
A toggle (showCrossSectionHoverPosition) echoes the mouse-hover position from the cross-section panel. Sometimes is more convenient to view layers side by side and mouse over image features in order to verify them instead of toggling layers on and off.