{
  "id": "dem-viz",
  "name": "Elevation Visualization",
  "version": "1.0",
  "description": "Color-mapped elevation with optional hillshade. Uses Terrarium tiles.",
  "inputs": {
    "elevation": { "type": "raster-dem", "encoding": "terrarium" }
  },
  "params": [
    {
      "key": "colormap",
      "label": "Color Ramp",
      "type": "select",
      "options": [
        { "value": "terrain", "label": "Terrain" },
        { "value": "viridis", "label": "Viridis" },
        { "value": "inferno", "label": "Inferno" },
        { "value": "grayscale", "label": "Grayscale" }
      ],
      "default": "terrain"
    },
    {
      "key": "hillshade",
      "label": "Hillshade",
      "type": "checkbox",
      "default": true
    }
  ],
  "output": {
    "type": "rgba"
  },
  "compute": "./dem-viz.js",
  "provider": "../flood-fill/terrarium-provider.js"
}