freehandDrawFeatures.html 3.6 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_freehandDrawFeatures"></title>
  9. <script type="text/javascript" src="../../dist/ol/include-ol.js"></script>
  10. <style>
  11. .ol-popup {
  12. position: absolute;
  13. top: 50px;
  14. right: 20px;
  15. }
  16. </style>
  17. </head>
  18. <body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
  19. <div id="map" style="width: 100%;height:100%"></div>
  20. <div id="popup" class="ol-popup">
  21. <div class="btn-group" role="group" aria-label="...">
  22. <button id="drawLine" value='LineString' type="button" class="btn btn-default" data-i18n="resources.text_input_value_drawLine"></button>
  23. <button id="drawPolygon" value='Polygon' type="button" class="btn btn-default" data-i18n="resources.text_input_value_drawPolygon"></button>
  24. <button id="drawCircle" value='Circle' type="button" class="btn btn-default" data-i18n="resources.btn_drawCircle"></button>
  25. <button id="none" value='None' type="button" class="btn btn-default" data-i18n="resources.btn_notDraw"></button>
  26. <button id="clear" value='Clear' type="button" class="btn btn-default" data-i18n="resources.text_input_value_clear"></button>
  27. </div>
  28. </div>
  29. <script type="text/javascript" include="bootstrap,jquery" src="../js/include-web.js"></script>
  30. <script type="text/javascript">
  31. //按住左键不放随意绘制图形,放手绘制完成
  32. var map, draw,
  33. url = (window.isLocal ? window.server : "https://iserver.supermap.io") + "/iserver/services/map-china400/rest/maps/China";
  34. map = new ol.Map({
  35. target: 'map',
  36. controls: ol.control.defaults({attributionOptions: {collapsed: false}})
  37. .extend([new ol.supermap.control.Logo()]),
  38. view: new ol.View({
  39. center: [12957388, 4853991],
  40. zoom: 4,
  41. projection: 'EPSG:3857',
  42. multiWorld: true
  43. })
  44. });
  45. var layer = new ol.layer.Tile({
  46. source: new ol.source.TileSuperMapRest({
  47. url: url,
  48. wrapX: true
  49. }),
  50. projection: 'EPSG:3857'
  51. });
  52. var source = new ol.source.Vector({wrapX: false});
  53. var vector = new ol.layer.Vector({
  54. source: source
  55. });
  56. map.addLayer(layer);
  57. map.addLayer(vector);
  58. var info = new ol.control.Control({element: document.getElementById('popup')});
  59. info.setMap(map);
  60. map.addControl(info);
  61. var buttons = $('.btn-group').children();
  62. buttons.map(function (key) {
  63. var value = buttons[key].value;
  64. if (value === 'None') {
  65. $(buttons[key]).on('click', function () {
  66. clearInteraction();
  67. });
  68. return;
  69. }
  70. if (value === 'Clear') {
  71. $(buttons[key]).on('click', function () {
  72. clearInteraction();
  73. source.clear();
  74. });
  75. return;
  76. }
  77. $(buttons[key]).on('click', function () {
  78. clearInteraction();
  79. draw = new ol.interaction.Draw({
  80. source: source,
  81. type: buttons[key].value,
  82. snapTolerance: 20,
  83. freehand: true
  84. });
  85. map.addInteraction(draw);
  86. });
  87. });
  88. function clearInteraction() {
  89. if (draw) {
  90. map.removeInteraction(draw);
  91. }
  92. }
  93. </script>
  94. </body>
  95. </html>