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ArcGIS与deckgl结合的不同模式

ArcGIS与deckgl结合的不同模式

作者: Xuds | 来源:发表于2022-06-05 13:41 被阅读0次

一、<script>标签引入的模式

<script src="./deckgl/deck.gl@8.5.0/dist.min.js"></script>

<script src="./deckgl/geo-layers@8.5.0/dist.min.js"></script>

<script src="./deckgl/arcgis@8.5.0/dist.min.js"></script>

<script src="https://dans.esrichina.com/javascript/4.23/init.js"></script>

1.1 AMD模式

<script>

require([

  "esri/Map",

  "esri/views/SceneView",

  "esri/views/3d/externalRenderers"

], (Map, SceneView, externalRenderers) => {

    deck.loadArcGISModules().then((arcGIS) => {

         const sceneView = new SceneView({

              container: "viewDiv",

              map: new Map({

                    basemap: "dark-gray-vector"

              }),

              viewingMode: "local",

              camera: {

                    position: [-73.98789805, 42.6361464, 4219.66859],

                    heading: 351.86,

                    tilt: 50.08

              }

            });

    const renderer = new arcGIS.DeckRenderer(sceneView, {

      layers: [renderLayers()]

    });

    externalRenderers.add(sceneView, renderer);

    setInterval(() => {

      renderer.deck.layers = renderLayers();

    }, 30);

    function renderLayers() {

      return [

        new deck.TripsLayer({

          id: "trips",

          data:

            "./deckgl/trips-v7.json",

          getPath: (d) => d.path,

          getTimestamps: (d) => d.timestamps,

          getColor: (d) => (d.vendor === 0 ? [253, 128, 93] : [23, 184, 190]),

          opacity: 1.0,

          widthMinPixels: 4,

          rounded: true,

          //fadeTrail:false,

          trailLength: 180,

          currentTime: (performance.now() % 20000) / 10,

          shadowEnabled: false

        }),

new deck.PolygonLayer({

id: 'buildings',

data: './deckgl/building.json',

extruded: true,

wireframe: false,

opacity: 0.5,

getPolygon: f => f.polygon,

getElevation: f => f.height,

getFillColor: [74, 80, 87],

material: {

ambient: 0.1,

diffuse: 0.6,

shininess: 32,

specularColor: [60, 64, 70]

}

})

      ];

    }

    });

});

</script>

1.2 ES Modules模式

注意:其中的arcgis api走ES Modules,deck依然走的deck.loadArcGISModules()

<script type="module">

import Map from "https://dans.esrichina.com/javascript/4.23/@arcgis/core/Map.js";

import SceneView from "https://dans.esrichina.com/javascript/4.23/@arcgis/core/views/SceneView.js";

import * as externalRenderers from "https://dans.esrichina.com/javascript/4.23/@arcgis/core/views/3d/externalRenderers.js";

deck.loadArcGISModules().then((arcGIS) => {

    //代码与1.1一致。

});

二、NPM的模式

2.1 ES Modules模式

(1) package.json

{

  "name": "arcgis-i3s",

  "version": "0.0.0",

  "license": "MIT",

  "scripts": {

    "start": "webpack-dev-server --progress --hot --open --host 0.0.0.0",

    "start-local": "webpack-dev-server --env.local --progress --hot --open"

  },

  "dependencies": {

    "@arcgis/core": "^4.22.2",

    "@deck.gl/arcgis": "^8.7.0",

    "@loaders.gl/i3s": "^3.1.5",

    "@luma.gl/core": "^8.5.10",

    "deck.gl": "^8.7.0"

  },

  "devDependencies": {

    "webpack": "^4.20.2",

    "webpack-cli": "^3.1.2",

    "webpack-dev-server": "^3.1.11"

  }

}

(2) webpack.config.js

const CONFIG = {

  mode: 'development',

  entry: {

    app: './app.js'

  },

  output: {

    library: 'App'

  }

};

// This line enables bundling against src in this repo rather than installed module

module.exports = env => (env ? require('../../webpack.config.local')(CONFIG)(env) : CONFIG);

(3) app.js

import {DeckRenderer} from '@deck.gl/arcgis';

import Map from "@arcgis/core/Map";

import SceneView from "@arcgis/core/views/SceneView";

import SceneLayer from "@arcgis/core/layers/SceneLayer";

import * as externalRenderers from '@arcgis/core/views/3d/externalRenderers';

import {SimpleMeshLayer} from '@deck.gl/mesh-layers';

import {SphereGeometry} from '@luma.gl/core';

import {Tile3DLayer} from '@deck.gl/geo-layers';

import {I3SLoader} from '@loaders.gl/i3s';

import {Tiles3DLoader} from '@loaders.gl/3d-tiles';

// Tileset entry point: Indexed 3D layer file url

const TILESET_URL =

  'https://tiles.arcgis.com/tiles/z2tnIkrLQ2BRzr6P/arcgis/rest/services/SanFrancisco_Bldgs/SceneServer/layers/0';

export async function renderToDOM(container) {

const map=new Map({

      basemap: 'dark-gray-vector'

    });

  const sceneView = new SceneView({

    container,

    //qualityProfile: 'high',

    map: map,

    environment: {

      atmosphereEnabled: false

    },

    camera: {

      // position: {x: -122.4, y: 37.78, z: 3000},

      position: {x: 106.62508, y: 26.64663742, z: 3000},

      heading: 0,

      tilt: 25

    },

    viewingMode: 'local'

  });

let scenelayer = new SceneLayer({

  // URL to the service

  url: "https://192.168.100.123/server/rest/services/Hosted/cslpk/SceneServer/layers/0"

});

//map.add(scenelayer);

  const renderer = new DeckRenderer(sceneView, {});

  externalRenderers.add(sceneView, renderer);

// Video created by the NASA Jet Propulsion Laboratory, Public domain, via Wikimedia Commons

const VIDEO_URL =

'https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0a/NASA_VR-360_Astronaut_Training-_Space_Walk.webm/NASA_VR-360_Astronaut_Training-_Space_Walk.webm.1080p.webm';

const sphere = new SphereGeometry({

nlat: 50,

nlong: 50,

radius: 150

});

//console.log(sphere);

  let videoEl,video;

    /* global document */

    if (typeof document !== 'undefined') {

      videoEl = document.createElement('video');

      videoEl.crossOrigin = 'anonymous';

      videoEl.preload = 'auto';

      videoEl.loop = true;

      const source = document.createElement('source');

      source.src = VIDEO_URL;

      videoEl.append(source);

  videoEl.play();

      //setVideo(videoEl);

    }

    //return () => videoEl && videoEl.pause();

  sceneView.on('layerview-create', () => {

    renderer.deck.layers = [

      // new Tile3DLayer({

        // id: 'tile-3d-layer',

        // data: 'https://192.168.100.123/server/rest/services/slpk/osgb5G_folder/SceneServer/layers/0',

        // loader: I3SLoader

      // }),

  new SimpleMeshLayer({

  id:'video-sphere',

  data: [

{

position: [106.62508, 26.646],

angle: 0,

color: [255, 0, 0]

},

],

  texture:videoEl,

  mesh:sphere,

  getScale: [1, 1, -1],

  material: false

  }),

  new Tile3DLayer({

  id: 'tile-3d-layer1',

  //tileset json file url

  data: 'https://dans.esrichina.com/3dtiles/tileset.json',

  loader: Tiles3DLoader,

  loadOptions: {

'3d-tiles': {

isTileset: true,

}

  }

    })

    ];

  });

  return {

    remove: () => {

      sceneView.destroy();

      renderer.dispose();

    }

  };

}

三、其他方式:esri-loader、webpack-plugin 不再赘述。


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