Volume Overlays

3D scalar-field overlays for AECO scenes. Use these for fields such as CFD, thermal simulation, acoustic SPL, or sensor interpolation.

A VoxelGrid carries scalar data on a regular 3D lattice. The builders bake views of that data into SceneModels:

• buildVolumeSlicePlane — a movable cross-section through the field.

Usage

import * as xeokit from "@xeokit/sdk";

// Build a synthetic field. Real workflows usually load simulation output.
const grid: xeokit.presentations.volumeOverlay.VoxelGrid = {
  resolution: [40, 40, 20],
  min: [-10, -10,  0],
  max: [ 10,  10, 10],
  data: makeTemperatureField(40, 40, 20),
  unit: "°C",
  valueRange: [18, 32],
  name: "Atrium temperature",
};

// Bake a horizontal slice at z = 1.5 m (work-plane height).
const slice = xeokit.presentations.volumeOverlay.buildVolumeSlicePlane(
  scene, grid, {axis: "z", position: 1.5}
);
Copy

Other builders use the same data primitive: the VoxelGrid stays the same, while the builder selects the output geometry.