Issues

• Document the occt-import-js result schema inline in src/step.js

  round-10
  aatchison/step-viewer-demo#116 · Filter by author aatchison opened on Aug 6, 2026

• Expand README: architecture, STEP→mesh pipeline, and how to extend formats

  round-10
  aatchison/step-viewer-demo#114 · Filter by author aatchison opened on Aug 6, 2026

• In-app About / credits & versions panel

  round-10
  aatchison/step-viewer-demo#113 · Filter by author aatchison opened on Aug 6, 2026

• Add JSDoc to public functions and a dev-only // @ts-check typecheck script

  round-09
  aatchison/step-viewer-demo#111 · Filter by author aatchison opened on Aug 6, 2026

• Add a GitHub Actions CI workflow that runs the sample-parse tests (human enables)

  round-09
  aatchison/step-viewer-demo#110 · Filter by author aatchison opened on Aug 6, 2026

• Add a dev-only package.json + node --test suite that parses every sample and asserts tris > 0

  round-09
  aatchison/step-viewer-demo#109 · Filter by author aatchison opened on Aug 6, 2026

• Separate step.js into a node-importable pure core and a browser-only occt loader

  round-09
  aatchison/step-viewer-demo#108 · Filter by author aatchison opened on Aug 6, 2026

• Drive the pinch-vs-scroll modality hint from actual pointer input, not a one-time media query

  round-08
  aatchison/step-viewer-demo#106 · Filter by author aatchison opened on Aug 6, 2026

• Double-tap-to-fit and reliable two-finger pan for touch, replacing the unreliable dblclick

  round-08
  aatchison/step-viewer-demo#105 · Filter by author aatchison opened on Aug 6, 2026

• Bottom-sheet control layout on phones instead of a cramped icon-only top header

  round-08
  aatchison/step-viewer-demo#104 · Filter by author aatchison opened on Aug 6, 2026

• Safe-area insets + viewport-fit=cover so header, bottom cluster, gizmo, and HUD clear notches and home indicat

  round-08
  aatchison/step-viewer-demo#103 · Filter by author aatchison opened on Aug 6, 2026

• No offline / CDN-blip resilience beyond the in-session Retry

  round-07
  aatchison/step-viewer-demo#101 · Filter by author aatchison opened on Aug 6, 2026

• No very-large-file guard — huge STEP reads can hang the tab with no warning

  round-07
  aatchison/step-viewer-demo#100 · Filter by author aatchison opened on Aug 6, 2026

• Multi-file drop and multi-select silently discard all files but the first

  round-07
  aatchison/step-viewer-demo#99 · Filter by author aatchison opened on Aug 6, 2026

• NaN / non-finite bounding box silently corrupts the camera and blanks the viewer

  round-07
  aatchison/step-viewer-demo#98 · Filter by author aatchison opened on Aug 6, 2026

• Surface STEP header metadata (schema/AP, author, originating system, timestamp)

  round-06
  aatchison/step-viewer-demo#96 · Filter by author aatchison opened on Aug 6, 2026

• Detect and display the model's native length unit

  round-06
  aatchison/step-viewer-demo#95 · Filter by author aatchison opened on Aug 6, 2026

• Assembly / multi-solid part list with per-part visibility toggle

  round-06
  aatchison/step-viewer-demo#94 · Filter by author aatchison opened on Aug 6, 2026

• Cap the feature-edge overlay on very dense meshes

  round-05
  aatchison/step-viewer-demo#92 · Filter by author aatchison opened on Aug 6, 2026

• Merge occt meshes by material to cut per-frame draw calls

  round-05
  aatchison/step-viewer-demo#91 · Filter by author aatchison opened on Aug 6, 2026

• Guard and warn on very large STEP files before parsing

  round-05
  aatchison/step-viewer-demo#90 · Filter by author aatchison opened on Aug 6, 2026

• Color-by-part mode for multi-solid assemblies

  round-04
  aatchison/step-viewer-demo#87 · Filter by author aatchison opened on Aug 6, 2026

• Blueprint / technical edge-only view mode

  round-04
  aatchison/step-viewer-demo#86 · Filter by author aatchison opened on Aug 6, 2026

• Exploded view for multi-solid assemblies

  round-03
  aatchison/step-viewer-demo#83 · Filter by author aatchison opened on Aug 6, 2026

• Click-to-select a face with fit-to-selection

  round-03
  aatchison/step-viewer-demo#82 · Filter by author aatchison opened on Aug 6, 2026