Skyline软件二次开发初级——6如何在WEB页面中的三维地图上进行坐标和方向计算

喜欢NDGIS · 发表于 2012-10-25 00:54:18

Skyline软件二次开发初级——6如何在WEB页面中的三维地图上进行坐标和方向计算

“1.距离和角度：
<html>
<head>
      <title>Coordinates 1</title>
      <object id="SGWorld" classid="CLSID:3a4f91b1-65a8-11d5-85c1-0001023952c1" style="visibility:hidden;height:0 "></object>
      <script type="text/javascript">

      var popup = null;

      function Init()
      {

         // defining two coordinates
         var coord1 = SGWorld.Creator.CreatePosition(-71.07542, 42.34930, 232.0); // The Hancock building
         var coord2 = SGWorld.Creator.CreatePosition(-71.05507, 42.35561, 105.0); // Target building

         // Placing some annotation on the terrain
         SGWorld.Creator.CreateTextLabel(coord1, "Hancock Building",SGWorld.Creator.CreateLabelStyle());
         SGWorld.Creator.CreateTextLabel(coord2, "Building 2",SGWorld.Creator.CreateLabelStyle());
         SGWorld.Creator.CreatePolyline(SGWorld.Creator.GeometryCreator.CreateLineStringGeometry([coord1, coord2]), SGWorld.Creator.CreateColor(255, 255, 0), 0, 0, "line");

         // Set a good view point for the scene
         SGWorld.Navigate.SetPosition(SGWorld.Creator.CreatePosition(-71.07802, 42.33974, 550.0,0, 34, -13));

         // Calculating the distance and angles from the Hancock building to building #2
         var distance = coord1.DistanceTo(coord2);

         var angles = coord1.AimTo(coord2);

         // Display a message to the user
         popup = SGWorld.Creator.CreatePopupMessage("Coordinate sample","",0,0,450,120);
         popup.InnerText = "The aerial distance between the roofs of the\r\nHancock building and building #2 is " + Math.floor(distance) + " Meters\r\n\r\n" +
                           "The aiming angles from the Hancock building to building #2 are:\r\nyaw: " + angles.Yaw.toFixed(5) + "  pitch: " + angles.Pitch.toFixed(5);
         popup.Align = "TopLeft";
         SGWorld.Window.ShowPopup(popup);
      }

      function Uninit()
      {
         if(SGWorld.Project.Name == "")
            return;
         if(popup)
            SGWorld.Window.RemovePopup(popup);
      }

      </script>
</head>
<body onload="Init();" onunload="Uninit()">
</body>
</html>

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