01_measure_area.html 1.7 KB

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  1. <!--********************************************************************
  2. * Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
  3. *********************************************************************-->
  4. <!DOCTYPE html>
  5. <html>
  6. <head>
  7. <meta charset="UTF-8">
  8. <title data-i18n="resources.title_measureArea"></title>
  9. <script type="text/javascript" src="../js/include-web.js"></script>
  10. </head>
  11. <body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
  12. <div id="map" style="margin:0 auto;width: 100%;height: 100%"></div>
  13. <script type="text/javascript" src="../../dist/leaflet/include-leaflet.js"></script>
  14. <script type="text/javascript">
  15. var host = window.isLocal ? window.server : "https://iserver.supermap.io";
  16. var map, resultLayer,
  17. url = host + "/iserver/services/map-world/rest/maps/World";
  18. map = L.map('map', {
  19. preferCanvas: true,
  20. crs: L.CRS.EPSG4326,
  21. center: [34, 108],
  22. maxZoom: 18,
  23. zoom: 3
  24. });
  25. L.supermap.tiledMapLayer(url).addTo(map);
  26. resultLayer = L.featureGroup().addTo(map);
  27. measureArea();
  28. function measureArea() {
  29. var polygon = L.polygon([[24, 100], [40, 100], [40, 120], [24, 120], [24, 100]], {color: "red"});
  30. resultLayer.addLayer(polygon);
  31. var areaMeasureParam = new SuperMap.MeasureParameters(polygon);
  32. L.supermap
  33. .measureService(url)
  34. .measureArea(areaMeasureParam, function (serviceResult) {
  35. var content = resources.text_area + serviceResult.result.area + resources.msg_sqm;
  36. polygon.bindPopup(content).openPopup(polygon.getCenter());
  37. });
  38. }
  39. </script>
  40. </body>
  41. </html>