OpenSource
/
dc-sdk
mirror of https://github.com/dvt3d/dc-sdk

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <title>dc-example</title>
  <script src='/libs/dc-sdk/dc.base.min.js'></script>
  <script src='/libs/dc-sdk/dc.core.min.js'></script>
  <script>DC.baseUrl='../libs/dc-sdk/resources/'</script>
  <link href='/libs/dc-sdk/dc.core.min.css' type='text/css' rel='stylesheet'>
  <link href='../index.css' type='text/css' rel='stylesheet'>
  <style>
    *{
      margin: 0;
      padding: 0;
    }
    html,body,#viewer-container{
      width: 100%;
      height: 100%;
      overflow: hidden;
    }
  </style>
</head>

<body>

<div id="viewer-container"></div>

<div class="btn-box">
  <ul>
    <li><button onclick="drawStartPoint()">起点</button></li>
    <li><button onclick="drawEndPoint()">终点</button></li>
    <li><button onclick="removeAll()">清除</button></li>
    <li><button onclick="gotoTerrain()">定位山区</button></li>
    <li><button onclick="gotoModel()">定位模型</button></li>
  </ul>
</div>
<script>
  let viewer = undefined
  let layer = undefined
  let startPoint = undefined
  let endPoint = undefined
  let plot = undefined
  let tileset = undefined

  function drawStartPoint(){
    startPoint &&  layer.removeOverlay(startPoint)
    plot.draw(DC.OverlayType.BILLBOARD,overlay => {
      startPoint = overlay
      startPoint.size=[71,85]
      startPoint.setStyle({
        scale:0.5
      })
      layer.addOverlay(startPoint)
      if(startPoint && endPoint){
        viewer.analysis.deactivate(DC.AnalysisType.SIGHT_LINE)
        viewer.analysis.sightLine( startPoint.position,endPoint.position,[startPoint,endPoint])
      }
    },{
      image:"../assets/icon/start.png",
      width:71,
      height:85,
      scale:0.5
    })
  }

  function drawEndPoint(){
    endPoint &&  layer.removeOverlay(endPoint)
    plot.draw(DC.OverlayType.BILLBOARD,overlay => {
      endPoint = overlay
      endPoint.size=[71,85]
      endPoint.setStyle({
        scale:0.5
      })
      layer.addOverlay(endPoint)
      if(startPoint && endPoint){
        viewer.analysis.deactivate(DC.AnalysisType.SIGHT_LINE)
        viewer.analysis.sightLine( startPoint.position,endPoint.position,[startPoint,endPoint])
      }
    },{
      image:"../assets/icon/end.png",
      width:71,
      height:85,
      scale:0.5
    })

  }

  function removeAll(){
    layer.clear()
    startPoint = undefined
    endPoint = undefined
    viewer.analysis.deactivate(DC.AnalysisType.SIGHT_LINE)
  }

  function gotoTerrain(){
    removeAll()
    viewer.flyToPosition("102.72499624,30.46623447,13002.32,13.57,-21.91")
  }

  function gotoModel(){
    removeAll()
    viewer.flyTo(tileset)
  }

  function initViewer() {
    viewer = new DC.Viewer('viewer-container')
    viewer.setOptions({enableFxaa:true})
    let baselayer = DC.ImageryLayerFactory.createAmapImageryLayer({
      style:"img",
      crs:"WGS84"
    })
    viewer.addBaseLayer(baselayer)
    let terrain = DC.TerrainFactory.createArcgisTerrain({
      url:
        'https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer'
    })
    viewer.addTerrain(terrain)
    layer = new DC.VectorLayer('layer').addTo(viewer)
    let tilsetLayer = new DC.TilesetLayer('layer').addTo(viewer)
    tileset = new DC.Tileset(
      '//resource.dvgis.cn/data/3dtiles/dayanta/tileset.json'
    )
    tileset.setHeight(10)
    tilsetLayer.addOverlay(tileset)
    plot = new DC.Plot(viewer,{
      clampToGround: false
    })
    viewer.use(new DC.Analysis())
    viewer.flyToPosition("102.72499624,30.46623447,13002.32,13.57,-21.91")
  }

  DC.ready(initViewer)
</script>
</body>
</html>