CT volume view (lib/ctvolume.js, lib/ctsource.js): a cube of the raw X-ray scan around a picked papyrus point (256 voxels, 128 on phones) as a Data3DTexture, raymarched MIP clipped to an oriented slab that starts square to the surface; own canvas beside the scroll, render on demand; panel group (Pick a point, Show volume) and floating panel with slab, tilt, window/level, size and detail controls; Settings, unrollView.ct.volume API and actions, ?ctvol URLs, scanGeom and scanPick hooks in app.js, glossary (MIP, slab, CT volume, raymarching), docs
Chase Hendrick
42b53b4
X-ray window/level with percentile auto contrast (lib/ctwl.js): uCTWin uniform in the surface shader, X-ray contrast panel group (Window, Level, Auto contrast, Full range), Settings (auto on load, low and high percentiles), unrollView.ct API and actions, ?ctwin ?ctlevel ?ctauto URLs, glossary entries, docs
Chase Hendrick
ce6b88b
Lower resolution while dragging (lib/dragres.js): renderer and composer pixel ratio drop on OrbitControls start and return 150 ms after the camera settles; Settings and panel control (off, light, strong), unrollView.dragRes API, ?dragRes= URL, glossary entry, docs/CT_VIEW.md; fix undefined prevClear in hover pick
