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SKILL_JS5_ARCGIS / arcgis-scene-environment

AGENTS.md1 starsChanged 6 months agoMITView on GitHub

Quick-reference for 3D environment (SDK 5.1). Read before adjusting lighting/weather. 1. Fixed instant (shadow study)? → lighting: { type: "sun", date, directShadowsEnabled: true, cameraTrackingEnabled: false }. 2. Even light? → lighting: { type: "virtual" }. 3. Weather? → environment.weather = { type: ... } in a global scene; check weatherAvailable. 4. UI? → arcgis-daylight, arcgis-weather.

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AGENTS.md

Agent Guide: arcgis-scene-environment

Quick-reference for 3D environment (SDK 5.1). Read before adjusting lighting/weather.

Quick Decision Tree

  1. Fixed instant (shadow study)? → lighting: { type: "sun", date, directShadowsEnabled: true, cameraTrackingEnabled: false }.
  2. Even light? → lighting: { type: "virtual" }.
  3. Weather? → environment.weather = { type: ... } in a global scene; check weatherAvailable.
  4. UI? → arcgis-daylight, arcgis-weather.

Setup Checklist

  • Use a SceneView (a MapView ignores environment).
  • directShadowsEnabled: true (false by default).
  • Pass date with an explicit offset (the default is 15 March, not now).
  • cameraTrackingEnabled: false if the instant must not move.
  • Weather only in global scenes near the ground; parameters 0–1.

Anti-patterns (one-liner reminders)

  • ❌ Expecting shadows without directShadowsEnabled.
  • ❌ A shadow study with cameraTrackingEnabled left on (the date jumps when navigating).
  • ❌ Weather in a local scene (weatherAvailable false, no error).
  • ❌ new Date("2026-06-21") meaning local midnight (it is UTC).

Files in This Skill

  • SKILL.md / SKILL.es.md — full guides
  • references/api-detail.md — environment / lighting / weather
  • references/examples.md — lighting / shadows / weather
  • references/pitfalls.md — extended troubleshooting
  • scripts/snippet-environment.ts

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