基于Skyline的TerraExplorer6.1实现选中对象的高亮显示

如何在三维场景中实现对选中对象的高亮显示，在很久以前大家可能觉得实现起来比较麻烦，但现在在Skyline在TEPro6.1中，ITerrainObject61类增加了Tint属性，所有继承自ITerrainObject61的对象都可以通过这个属性，来实现选中状态的高亮。

具体实现过程，请参考下面代码：

1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2
  3 <html xmlns="http://www.w3.org/1999/xhtml">
  4 <head>
  5     <title></title>
  6      <script type = "text/javascript" language = "javascript">
  7          function Test1() {
  8              var SGWorld = CreateSGObj();
  9              var location = SGWorld.Creator.CreateLocationHere();
10              var purl = toAbspath("data/747.xpc");
11              var pos = location.Position;
12              pos.Yaw = 0;
13              pos.Pitch = 0;
14              pos.Roll = 0;
15              var gid = 0;
16              var pModel = SGWorld.Creator.CreateModel(pos, purl,0,1);
17              pModel.ScaleX = 100;
18              pModel.ScaleY = 100;
19              pModel.ScaleZ = 100;
20              pModel.TreeItem.Name = "模型";
21              SGWorld.Creator.DeleteObject(location.ID);
22          }
23
24          function Test2() {
25              var SGWorld = CreateSGObj();
26              var ItemID = SGWorld.ProjectTree.FindItem("模型");
27              if (ItemID > 0) {
28                  var obj = SGWorld.ProjectTree.GetObject(ItemID);
29                  obj.Terrain.Tint.abgrColor = 0x0000ff;
30                  obj.Terrain.Tint.SetAlpha(0.8);
31              }
32          }
33          function Test3() {
34              var SGWorld = CreateSGObj();
35              var ItemID = SGWorld.ProjectTree.FindItem("模型");
36              if (ItemID > 0) {
37                  var obj = SGWorld.ProjectTree.GetObject(ItemID);
38                  obj.Terrain.Tint.abgrColor = 0x0000ff;
39                  obj.Terrain.Tint.SetAlpha(0);
40              }
41          }
42
43          /*
44          功能:   创建sgworld对象
45          备注:   赵贺 2011.04.01.
46          */
47
48          function CreateSGObj() {
49              var obj = $("sgworld");
50              if (obj == null) {
51                  obj = document.createElement('object');
52                  document.body.appendChild(obj);
53                  obj.name = "sgworld";
54                  obj.id = "sgworld";
55                  obj.classid = "CLSID:3a4f91b1-65a8-11d5-85c1-0001023952c1";
56              }
57              return obj;
58          }
59          function $(id) {
60              return window.document.getElementById(id);
61          }
62
63          function toAbspath(src) {
64              var abspath = function () {
65                  var abspath = "";
66                  try {
67                      abspath = unescape(window.location.href);
68                  }
69                  catch (e) {
70                      abspath = unescape(this.__location);
71                  }
72                  // Remove query String
73                  var index = abspath.indexOf("?");
74                  if (index > 0) abspath = abspath.substr(0, index - 1);
75
76                  index = abspath.lastIndexOf("/");
77                  var index2 = abspath.lastIndexOf("\\");
78
79                  index = (index > index2) ? index : index2;
80                  if (index <= 0) return abspath;
81
82                  abspath = abspath.substring(0, index);
83
84                  if (abspath.substring(0, 1) == "/") abspath = abspath.slice(1);
85
86                  var re = /file:\/\/\//gi;
87                  if (abspath.match(re) != null) abspath = abspath.replace(re, ""); // if this is indeed a local file, we strip the "file://" prefix from it.
88
89                  return (abspath);
90
91              }
92
93              var re = /^http:\/\/|^ftp:\/\/|^file:\/\/|^https:\/\//gi;
94              if (src.match(re) == null) {
95                  if (src.indexOf("[TE Application Data]") != 0)
96                      return abspath() + '/' + src;
97              }
98              else {
99                  // if this is indeed a local file, we strip the "file://" prefix from it.
100                  re = /file:\/\/\//gi;
101                  if (src.match(re) != null)
102                      src = src.replace(re, "");
103                  else {
104                      re = /file:\/\//gi;
105                      if (src.match(re) != null) src = src.replace(re, "");
106                  }
107              }
108
109              return src;
110
111          }
112         </script>
113 </head>
114 <body>
115 <table style="margin: 0px; border: 0px;">
116         <tr>
117             <td colspan = "4">
118                 <input id="Button1" type="button" value="创建模型" onclick="Test1()" />
119                 <input id="Button2" type="button" value="选择模型" onclick="Test2()" />
120                 <input id="Button3" type="button" value="选择模型" onclick="Test3()" />
121             </td>
122         </tr>
123         <tr>
124             <td colspan = "4">
125              
127             </td>
128         </tr>
129     </table>
130 </body>
131 </html>

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原文地址：https://www.cnblogs.com/yitianhe/p/2675405.html