overlay_ombreStyleLayer.html 6.7 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_labelVectorLayerData"></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_labelVectorLayerData"></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.alert" 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. //扇形
  72. var origion = new SuperMap.Geometry.Point(0, 30);
  73. var sides = 30;
  74. var cuvre = SuperMap.Geometry.Polygon.createRegularPolygonCurve(origion, 50, sides, 80, 220);
  75. var cuvreVector = new SuperMap.Feature.Vector(cuvre);
  76. //
  77. cuvreVector.style = {
  78. strokeColor: "#1E90FF",
  79. fillColor: new SuperMap.Style.LinearGradient(0.0, 0.0, 1.0, 0.0, [{
  80. offset: 0.0,
  81. color: "#C6E2FF",
  82. opacity: 1
  83. }, {offset: 1.0, color: "#1E90FF", opacity: 0.6}]),
  84. strokeWidth: 2,
  85. fillOpacity: 1
  86. };
  87. //椭圆
  88. var points = createEllipse(100, 0, 50, 25);
  89. linearRings = new SuperMap.Geometry.LinearRing(points),
  90. region = new SuperMap.Geometry.Polygon([linearRings]);
  91. var ellipseVector = new SuperMap.Feature.Vector(region);
  92. ellipseVector.style = {
  93. fillColor: new SuperMap.Style.RadialGradient(0.5, 0.5, 0.5, 0.5, 0.5, [{
  94. offset: 0.0,
  95. color: "white",
  96. opacity: 1
  97. }, {offset: 1.0, color: "#C1FFC1", opacity: 0.6}]),
  98. strokeColor: "#C1FFC1",
  99. fillOpacity: 0.9
  100. };
  101. //圆
  102. var centerPoint = new SuperMap.Geometry.Point(-80, 0);
  103. var circleP = createCircle(centerPoint, 30, 256, 360, 360);
  104. var circleVector = new SuperMap.Feature.Vector(circleP);
  105. //
  106. circleVector.style = {
  107. strokeColor: "#CAFF70",
  108. fillColor: new SuperMap.Style.RadialGradient(0.5, 0.5, 0.5, 0.2, 0.3, [{
  109. offset: 0.0,
  110. color: "white",
  111. opacity: 1
  112. }, {offset: 1.0, color: "#CAFF70", opacity: 0.6}]),
  113. strokeWidth: 2,
  114. fillOpacity: 0.8
  115. };
  116. vector.addFeatures([cuvreVector, ellipseVector, circleVector]);
  117. dataAdded = true;
  118. } else {
  119. widgets.alert.showAlert(resources.msg_loadedData, true, 240);
  120. }
  121. }
  122. //函数的参数x,y为椭圆中心;a,b分别为椭圆横半轴
  123. function createEllipse(x, y, a, b) {
  124. var step = (a > b) ? 1 / a : 1 / b, points = [];
  125. //step是等于1除以长轴值a和b中的较大者
  126. //i每次循环增加1/step,表示度数的增加
  127. //这样可以使得每次循环所绘制的路径(弧线)接近1像素
  128. for (var i = 0; i < 2 * Math.PI; i += step) {
  129. //参数方程为x = a * cos(i), y = b * sin(i),
  130. //参数为i,表示度数(弧度)
  131. var point = new SuperMap.Geometry.Point(x + a * Math.cos(i), y + b * Math.sin(i));
  132. points.push(point);
  133. }
  134. return points;
  135. }
  136. //圆
  137. function createCircle(origin, radius, sides, r, angel) {
  138. var rR = r * Math.PI / (180 * sides);
  139. var rotatedAngle, x, y;
  140. var points = [];
  141. for (var i = 0; i < sides; ++i) {
  142. rotatedAngle = rR * i;
  143. x = origin.x + (radius * Math.cos(rotatedAngle));
  144. y = origin.y + (radius * Math.sin(rotatedAngle));
  145. points.push(new SuperMap.Geometry.Point(x, y));
  146. }
  147. rotatedAngle = r * Math.PI / 180;
  148. x = origin.x + (radius * Math.cos(rotatedAngle));
  149. y = origin.y + (radius * Math.sin(rotatedAngle));
  150. points.push(new SuperMap.Geometry.Point(x, y));
  151. var ring = new SuperMap.Geometry.LinearRing(points);
  152. ring.rotate(parseFloat(angel), origin);
  153. var geo = new SuperMap.Geometry.Collection([ring]);
  154. geo.origin = origin;
  155. geo.radius = radius;
  156. geo.r = r;
  157. geo.angel = angel;
  158. geo.sides = sides;
  159. geo.polygonType = "Curve";
  160. return geo;
  161. }
  162. function removeData() {
  163. widgets.alert.clearAlert();
  164. dataAdded = false;
  165. vector.removeAllFeatures();
  166. vector.refresh();
  167. }
  168. </script>
  169. </body>
  170. </html>