倾斜摄影
<h1>倾斜摄影</h1>
<h2>一、倾斜摄影配置类 - BCore.Extension.GIS.B3DMConfig</h2>
<p><strong>构造：</strong> </p>
<pre><code class="language-javascript">new BCore.Extension.GIS.B3DMConfig(viewer)</code></pre>
<p><strong>参数：</strong></p>
<ul>
<li><strong>viewer</strong> (类型: <code>BCore.Viewer.Viewer3D</code>) - 视图对象</li>
</ul>
<p><strong>属性：</strong></p>
<ul>
<li>
<p><strong>geometricErrorFactory</strong> (类型: <code>number</code>) - 几何容差</p>
<ul>
<li>默认值: 0.1</li>
<li>PC推荐值: 0.1</li>
<li>移动端推荐值: 0.005 - 0.008</li>
</ul>
</li>
<li>
<p><strong>maxCacheSize</strong> (类型: <code>number</code>) - 切片文件缓存上限</p>
<ul>
<li>默认值: 1200</li>
<li>PC推荐值: 1200</li>
<li>移动端推荐值: 1200</li>
</ul>
</li>
<li><strong>minCacheSize</strong> (类型: <code>number</code>) - 切片文件缓存下限
<ul>
<li>默认值: 0</li>
<li>PC推荐值: 200</li>
<li>移动端推荐值: 0</li>
</ul></li>
</ul>
<hr />
<h2>二、倾斜摄影操作类 - BCore.Extension.GIS.B3DM</h2>
<p><strong>构造：</strong> </p>
<pre><code class="language-javascript">new BCore.Extension.GIS.B3DM(config)</code></pre>
<p><strong>参数：</strong></p>
<ul>
<li><strong>config</strong> (类型: <code>BCore.Extension.GIS.B3DMConfig</code>): 倾斜摄影配置参对象</li>
</ul>
<p><strong>方法：</strong></p>
<ul>
<li><strong>add3DTileModel()</strong>: 加载倾斜摄影模型</li>
<li><strong>delete3DTileModel()</strong>: 卸载倾斜摄影模型</li>
<li><strong>set3DTileModelOffset()</strong>: 设置倾斜摄影模型偏移</li>
<li><strong>get3DTileModelOffset()</strong>: 获取倾斜摄影模型偏移</li>
<li><strong>setGeometricErrorFactory(factory: number)</strong>: 设置几何容差</li>
<li><strong>getGeometricErrorFactory()</strong>: 获取几何容差</li>
</ul>
<hr />
<h2>方法示例</h2>
<h3>1. 加载倾斜摄影模型</h3>
<p><strong>接口:</strong> </p>
<pre><code class="language-javascript">add3DTileModel(fileId, position, rotation)</code></pre>
<p><strong>参数：</strong></p>
<table>
<thead>
<tr>
<th>参数名</th>
<th>必选</th>
<th>类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>fileId</td>
<td>是</td>
<td>string</td>
<td>模型id</td>
</tr>
<tr>
<td>position</td>
<td>否</td>
<td>{ x: number, y: number, z: number }</td>
<td>模型坐标点</td>
</tr>
<tr>
<td>rotation</td>
<td>否</td>
<td>{ x: number, y: number, z: number }</td>
<td>模型旋转</td>
</tr>
</tbody>
</table>
<p><strong>示例：</strong></p>
<pre><code class="language-javascript">let mB3DMConfig = new BCore.Extension.GIS.B3DMConfig(mViewer3D);
let mB3DM = new BCore.Extension.GIS.B3DM(mB3DMConfig);
mB3DM.add3DTileModel(&#039;fileId&#039;);</code></pre>
<hr />
<h3>2. 卸载倾斜摄影模型</h3>
<p><strong>简要描述:</strong> 卸载倾斜摄影模型</p>
<p><strong>接口:</strong> </p>
<pre><code class="language-javascript">delete3DTileModel(fileId)</code></pre>
<p><strong>参数：</strong></p>
<table>
<thead>
<tr>
<th>参数名</th>
<th>必选</th>
<th>类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>fileId</td>
<td>是</td>
<td>string</td>
<td>模型id</td>
</tr>
</tbody>
</table>
<p><strong>示例：</strong></p>
<pre><code class="language-javascript">let mB3DMConfig = new BCore.Extension.GIS.B3DMConfig(mViewer3D);
let mB3DM = new BCore.Extension.GIS.B3DM(mB3DMConfig);
mB3DM.delete3DTileModel(&#039;fileId&#039;);</code></pre>
<hr />
<h3>3. 倾斜摄影模型偏移</h3>
<p><strong>简要描述:</strong> 设置与获取倾斜摄影模型偏移</p>
<p><strong>接口:</strong></p>
<ul>
<li><strong>设置偏移:</strong>
<pre><code class="language-javascript">set3DTileModelOffset(fileId, position)</code></pre></li>
<li><strong>获取偏移:</strong>
<pre><code class="language-javascript">get3DTileModelOffset(fileId)</code></pre></li>
</ul>
<p><strong>参数：</strong></p>
<table>
<thead>
<tr>
<th>参数名</th>
<th>必选</th>
<th>类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>fileId</td>
<td>是</td>
<td>string</td>
<td>模型id</td>
</tr>
<tr>
<td>position</td>
<td>是</td>
<td>{ x: number, y: number, z: number }</td>
<td>模型坐标点</td>
</tr>
</tbody>
</table>
<p><strong>示例：</strong></p>
<pre><code class="language-javascript">let mB3DMConfig = new BCore.Extension.GIS.B3DMConfig(mViewer3D);
let mB3DM = new BCore.Extension.GIS.B3DM(mB3DMConfig);
mB3DM.add3DTileModel(&#039;fileId&#039;);
mB3DM.set3DTileModelOffset(&#039;fileId&#039;, {x: 0, y: 0, z: 10});
//mB3DM.get3DTileModelOffset(&#039;fileId&#039;);</code></pre>
<hr />
<h3>4. 几何容差</h3>
<p><strong>简要描述:</strong> 几何容差为控制倾斜摄影模型加载精细度的参数</p>
<p><strong>接口:</strong></p>
<ul>
<li><strong>设置几何容差:</strong>
<pre><code class="language-javascript">setGeometricErrorFactory(factory: number)</code></pre></li>
<li><strong>获取几何容差:</strong>
<pre><code class="language-javascript">getGeometricErrorFactory()</code></pre></li>
</ul>
<p><strong>参数：</strong></p>
<table>
<thead>
<tr>
<th>参数名</th>
<th>必选</th>
<th>类型</th>
<th>说明</th>
<th>默认值</th>
</tr>
</thead>
<tbody>
<tr>
<td>factory</td>
<td>是</td>
<td>number</td>
<td>PC 可选 0.1 左右；iPhone 可选 0.005~0.008，越小加载精度约粗糙</td>
<td>0.1</td>
</tr>
</tbody>
</table>
<p><strong>示例：</strong></p>
<pre><code class="language-javascript">let mB3DMConfig = new BCore.Extension.GIS.B3DMConfig(mViewer3D);
let mB3DM = new BCore.Extension.GIS.B3DM(mB3DMConfig);
mB3DM.setGeometricErrorFactory(0.005);</code></pre>
<hr />
<p>以上是倾斜摄影的接口文档，包含了构造函数、参数、方法及示例代码，便于开发者理解和使用。</p>