overlay_vectorLayerData.html 10 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_vectorLayerData"></title>
  9. <style type="text/css">
  10. body {
  11. margin: 0;
  12. overflow: hidden;
  13. background: #fff;
  14. width: 100%;
  15. height: 100%
  16. }
  17. #map {
  18. position: absolute;
  19. width: 100%;
  20. height: 100%;
  21. }
  22. #toolbar {
  23. position: absolute;
  24. top: 50px;
  25. right: 10px;
  26. text-align: center;
  27. z-index: 100;
  28. border-radius: 4px;
  29. }
  30. </style>
  31. </head>
  32. <body>
  33. <div id="toolbar" class="panel panel-primary">
  34. <div class='panel-heading'>
  35. <h5 class='panel-title text-center' data-i18n="resources.text_basicVectorLayerData"></h5></div>
  36. <div class='panel-body content'>
  37. <input type="button" class="btn btn-default" data-i18n="[value]resources.text_input_value_addData" onclick="addData()"/>&nbsp;
  38. <input type="button" class="btn btn-default" data-i18n="[value]resources.text_input_value_removeData" onclick="removeData()"/>
  39. </div>
  40. </div>
  41. <div id="map"></div>
  42. <script type="text/javascript" include="bootstrap,widgets" src="../js/include-web.js"></script>
  43. <script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
  44. <script type="text/javascript">
  45. var map, layer, dataAdded = false,
  46. host = window.isLocal ? window.server : "https://iserver.supermap.io",
  47. url = host + "/iserver/services/map-world/rest/maps/World";
  48. init();
  49. function init() {
  50. map = new SuperMap.Map("map", {
  51. controls: [
  52. new SuperMap.Control.Zoom(),
  53. new SuperMap.Control.Navigation(),
  54. ]
  55. });
  56. map.addControl(new SuperMap.Control.LayerSwitcher(), new SuperMap.Pixel(42, 80));
  57. layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", url, null, {maxResolution: "auto"});
  58. layer.events.on({"layerInitialized": addLayer});
  59. vector = new SuperMap.Layer.Vector("vector");
  60. addData();
  61. }
  62. function addLayer() {
  63. map.addLayers([layer, vector]);
  64. //显示地图范围
  65. map.setCenter(new SuperMap.LonLat(0, 0), 0);
  66. }
  67. function addData() {
  68. widgets.alert.clearAlert();
  69. if (!dataAdded) {
  70. vector.removeAllFeatures();
  71. //点对象
  72. var point = new SuperMap.Geometry.Point(0, 0);
  73. var pointVector = new SuperMap.Feature.Vector(point);
  74. pointVector.style = {
  75. fillColor: "red",
  76. strokeColor: "yellow",
  77. pointRadius: 6
  78. };
  79. //线串几何对象
  80. var points2 = [
  81. new SuperMap.Geometry.Point(0, 29.4),
  82. new SuperMap.Geometry.Point(-50, 39.4),
  83. new SuperMap.Geometry.Point(-30, 19.4),
  84. new SuperMap.Geometry.Point(100, 49.4)
  85. ];
  86. var line1 = new SuperMap.Geometry.LineString(points2);
  87. var linecVector = new SuperMap.Feature.Vector(line1);
  88. linecVector.style = {
  89. strokeColor: "#7B68EE",
  90. strokeWidth: 2
  91. };
  92. //几何对象线环类
  93. var points1 = [
  94. new SuperMap.Geometry.Point(0, 19.4),
  95. new SuperMap.Geometry.Point(10, -20),
  96. new SuperMap.Geometry.Point(14, -22),
  97. new SuperMap.Geometry.Point(24, -5),
  98. new SuperMap.Geometry.Point(34, 15),
  99. new SuperMap.Geometry.Point(45, 25),
  100. new SuperMap.Geometry.Point(50, 29.4)
  101. ];
  102. var line = new SuperMap.Geometry.LinearRing(points1);
  103. var lineVector = new SuperMap.Feature.Vector(line);
  104. lineVector.style = {
  105. strokeColor: "#C0FF3E",
  106. fill: false,
  107. strokeWidth: 2
  108. };
  109. //创建多次贝塞尔曲线
  110. var bezierPoint = [
  111. new SuperMap.Geometry.Point(0, 39.5),
  112. new SuperMap.Geometry.Point(30, 69.5),
  113. new SuperMap.Geometry.Point(90, 49.4),
  114. new SuperMap.Geometry.Point(120, 75.5),
  115. new SuperMap.Geometry.Point(150, 63.4),
  116. new SuperMap.Geometry.Point(156, 80.3)];
  117. var bezier5 = SuperMap.Geometry.LineString.createBezierN(bezierPoint, 20);
  118. var bezier5Vector = new SuperMap.Feature.Vector(bezier5);
  119. bezier5Vector.style = {
  120. strokeWidth: 3
  121. };
  122. //创建3次贝塞尔曲线
  123. var points = [
  124. new SuperMap.Geometry.Point(80, 19.4),
  125. new SuperMap.Geometry.Point(179, 39.8),
  126. new SuperMap.Geometry.Point(164, 40),
  127. new SuperMap.Geometry.Point(126, 43.4)
  128. ];
  129. var bezier3 = SuperMap.Geometry.LineString.createBezier(points, 5);
  130. var bezier3Vector = new SuperMap.Feature.Vector(bezier3);
  131. bezier3Vector.style = {
  132. strokeColor: "#1E90FF",
  133. strokeWidth: 2
  134. };
  135. //创建2次贝塞尔曲线
  136. var bezierpoints = [
  137. new SuperMap.Geometry.Point(-80, 20),
  138. new SuperMap.Geometry.Point(-60, 60),
  139. new SuperMap.Geometry.Point(0, 60)
  140. ];
  141. var bezier2 = SuperMap.Geometry.LineString.createBezier2(bezierpoints, 20);
  142. var bezierVector = new SuperMap.Feature.Vector(bezier2);
  143. bezierVector.style = {
  144. strokeColor: "#9AFF9A",
  145. strokeWidth: 3
  146. };
  147. //扇形
  148. var origion = new SuperMap.Geometry.Point(20, -20);
  149. var sides = 30;
  150. var cuvre = SuperMap.Geometry.Polygon.createRegularPolygonCurve(origion, 50, sides, 80, 220);
  151. var cuvreVector = new SuperMap.Feature.Vector(cuvre);
  152. cuvreVector.style = {
  153. strokeColor: "#1E90FF",
  154. fillColor: "#C6E2FF",
  155. strokeWidth: 2,
  156. fillOpacity: 0.5
  157. };
  158. //椭圆
  159. var points = createEllipse(100, -10, 50, 25);
  160. linearRings = new SuperMap.Geometry.LinearRing(points),
  161. region = new SuperMap.Geometry.Polygon([linearRings]);
  162. var ellipseVector = new SuperMap.Feature.Vector(region);
  163. ellipseVector.style = {
  164. fillColor: "#B0E2FF",
  165. strokeColor: "#C1FFC1",
  166. fillOpacity: 0.5
  167. };
  168. //六边形
  169. var points2 = [
  170. new SuperMap.Geometry.Point(-120, 54.142),
  171. new SuperMap.Geometry.Point(-110, 40),
  172. new SuperMap.Geometry.Point(-120, 25.857),
  173. new SuperMap.Geometry.Point(-140, 25.857),
  174. new SuperMap.Geometry.Point(-150, 40),
  175. new SuperMap.Geometry.Point(-140, 54.142)
  176. ],
  177. linearRings = new SuperMap.Geometry.LinearRing(points2),
  178. region = new SuperMap.Geometry.Polygon([linearRings]);
  179. var polygonVector = new SuperMap.Feature.Vector(region);
  180. // 矩形
  181. var x = -70;
  182. var y = -30;
  183. var w = 40;
  184. var h = 30;
  185. var rectangle = new SuperMap.Geometry.Rectangle(x, y, w, h);
  186. var rectangleVector = new SuperMap.Feature.Vector(rectangle);
  187. //圆
  188. var centerPoint = new SuperMap.Geometry.Point(-120, -50);
  189. var circleP = createCircle(centerPoint, 30, 256, 360, 360);
  190. var circleVector = new SuperMap.Feature.Vector(circleP);
  191. circleVector.style = {
  192. strokeColor: "#CAFF70",
  193. fillColor: "#C6E2FF",
  194. strokeWidth: 2,
  195. fillOpacity: 0.5
  196. };
  197. vector.addFeatures([pointVector, lineVector, bezier3Vector, bezierVector, bezier5Vector, cuvreVector, ellipseVector, polygonVector, rectangleVector, circleVector, linecVector]);
  198. dataAdded = true;
  199. } else {
  200. widgets.alert.showAlert(resources.msg_loadedData, true, 240);
  201. }
  202. }
  203. //函数的参数x,y为椭圆中心;a,b分别为椭圆横半轴
  204. function createEllipse(x, y, a, b) {
  205. var step = (a > b) ? 1 / a : 1 / b, points = [];
  206. //step是等于1除以长轴值a和b中的较大者
  207. //i每次循环增加1/step,表示度数的增加
  208. //这样可以使得每次循环所绘制的路径(弧线)接近1像素
  209. for (var i = 0; i < 2 * Math.PI; i += step) {
  210. //参数方程为x = a * cos(i), y = b * sin(i),
  211. //参数为i,表示度数(弧度)
  212. var point = new SuperMap.Geometry.Point(x + a * Math.cos(i), y + b * Math.sin(i));
  213. points.push(point);
  214. }
  215. return points;
  216. }
  217. //圆
  218. function createCircle(origin, radius, sides, r, angel) {
  219. var rR = r * Math.PI / (180 * sides);
  220. var rotatedAngle, x, y;
  221. var points = [];
  222. for (var i = 0; i < sides; ++i) {
  223. rotatedAngle = rR * i;
  224. x = origin.x + (radius * Math.cos(rotatedAngle));
  225. y = origin.y + (radius * Math.sin(rotatedAngle));
  226. points.push(new SuperMap.Geometry.Point(x, y));
  227. }
  228. rotatedAngle = r * Math.PI / 180;
  229. x = origin.x + (radius * Math.cos(rotatedAngle));
  230. y = origin.y + (radius * Math.sin(rotatedAngle));
  231. points.push(new SuperMap.Geometry.Point(x, y));
  232. var ring = new SuperMap.Geometry.LinearRing(points);
  233. ring.rotate(parseFloat(angel), origin);
  234. var geo = new SuperMap.Geometry.Collection([ring]);
  235. geo.origin = origin;
  236. geo.radius = radius;
  237. geo.r = r;
  238. geo.angel = angel;
  239. geo.sides = sides;
  240. geo.polygonType = "Curve";
  241. return geo;
  242. }
  243. function removeData() {
  244. widgets.alert.clearAlert();
  245. dataAdded = false;
  246. vector.removeAllFeatures();
  247. vector.refresh();
  248. }
  249. </script>
  250. </body>
  251. </html>