@mapgis/webclient-leaflet-plugin
Version:
开发时需要引入MapGIS Client for JavaScript（Leaflet）开发包；其中包括必备的 CSS 文件和 JS 文件；
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HTML
<header id="page-title" class="page-title">
<span class="page-title-main">类名</span>
<span class="page-title-sub">MapViewLeaflet</span>
</header>
<section>
<article>
<div class="container-overview">
<div class='vertical-section'>
<div class="members">
<div class="member">
<h4 class="name" id="MapViewLeaflet">
<a class="href-link" href="#MapViewLeaflet">#</a>
<span class="code-name" id="MapViewLeaflet" style="font-size:30px">
new MapViewLeaflet<span class="signature">(options)</span>
</span>
</h4>
<div class="description">
<p>二维场景视图(leaflet引擎)，对地图引擎进行管理，如果要对地图图层进行管理请参考<code>Map</code>，<br/>
参考示例：
<a href='#MapViewLeaflet'>[初始化二维场景视图]</a>
<br>[ES5引入方式]：<br/>
Zondy.MapViewLeaflet() <br/>
[ES6引入方式]：<br/>
import { MapViewLeaflet } from '@mapgis/webclient-leaflet-plugin' <br/></p>
</div>
<h4>参数</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th style="min-width: 100px;">默认值</th>
<th class="last">描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code>options</code></td>
<td class="type">
<span class="param-type">
Object
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>构造参数</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>Map</code></td>
<td class="type">
<span class="param-type">
Map
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>图层管理容器对象</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>viewId</code></td>
<td class="type">
<span class="param-type">
String
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>二维场景视图的容器(html的div标签)ID</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>limitedMinZoom</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>视图加载最小缩放级数</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>zoom</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
1
</td>
<td class="description last"><p>初始化二维场景视图时显示级数</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>attributionControl</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
</td>
<td class="default">
false
</td>
<td class="description last"><p>是否显示右下角水印</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>zoomControl</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>是否显示缩放控件</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>doubleClickZoom</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
|
<span class="param-type">
String
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>是否允许双击鼠标左键缩放或者缩放至图层中心点</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>dragging</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>是否允许拖拽</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>zoomSnap</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
1
</td>
<td class="description last"><p>当使用flyTo缩放至中心点时，缩放级数乘以的系数，默认值为1</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>zoomDelta</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
1
</td>
<td class="description last"><p>当触发zoomIn或者zoomOut操作时，缩放级数乘以的系数，默认值为1</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>trackResize</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>是否允许图层大小随视窗变化</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>keyboard</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>是否允使用键盘的+/-号，来缩放地图</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>keyboardPanDelta</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
80
</td>
<td class="description last"><p>使用键盘来平移或缩放地图时的系数，单位px</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>scrollWheelZoom</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
|
<span class="param-type">
String
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>使用键盘来平移或缩放地图时的系数，单位px</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>wheelDebounceTime</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
40
</td>
<td class="description last"><p>滚轮事件的触发事件，单位毫秒</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>wheelPxPerZoomLevel</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
60
</td>
<td class="description last"><p>滚轮缩放时，地图缩放的像素单位，单位像素</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>tapHold</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>是否开启移动端，手指按压不放事件</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>tapTolerance</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
15
</td>
<td class="description last"><p>手指有效触发范围，单位像素</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>touchZoom</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
|
<span class="param-type">
String
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>是否启用手指两指缩放，当值为center，表示两只滑动，缩放至地图中心</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>bounceAtZoomLimits</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>当过最大或最小级数后不再缩放</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>animation</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>是否启用动画</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>center</code></td>
<td class="type">
<span class="param-type">
Point
</span>
</td>
<td class="default">
new Point({coordinates:[0,0]})
</td>
<td class="description last"><p>地图视图中心点</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>extent</code></td>
<td class="type">
<span class="param-type">
Extent
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>地图视图可视范围</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>scale</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>地图视图比例尺（比例尺的分母）</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>maxScale</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>地图视图的最大比例尺（比例尺的分母，该值越小，比例尺越大）。视图的当前比列尺不会大于地图视图的最大比例尺。默认值为undefined，undefined表示用户未设置，地图视图会根据当前加载的图层，自动计算maxScale、minScale的值。如果用户设置了该值，则地图视图将直接采用用户设置的值。maxScale的值应该始终小于minScale的值。</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>minScale</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>地图视图的最小比例尺（比例尺的分母，该值越大，比例尺越小）。视图的当前比列尺不会小于地图视图的最小比例尺。默认值为undefined，undefined表示用户未设置，地图视图会根据当前加载的图层，自动计算maxScale、minScale的值。如果用户设置了该值，则地图视图将直接采用用户设置的值。minScale的值应该始终大于maxScale的值。</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>popup</code></td>
<td class="type">
<span class="param-type">
Object
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>地图弹框</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>rotation</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
0
</td>
<td class="description last"><p>地图视图旋转选项。单位为度，默认为0，表示不进行旋转</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
</dl>
<div class="method-parameter columns">
<div class="column is-2"><label>绑定事件</label></div>
<div class="column is-10">
<ul>
<li><a href="#地图视图加载完毕事件">地图视图加载完毕事件</a></li>
<li><a href="#鼠标点击事件">鼠标点击事件</a></li>
<li><a href="#鼠标双击事件">鼠标双击事件</a></li>
<li><a href="#鼠标按下事件">鼠标按下事件</a></li>
<li><a href="#鼠标抬起事件">鼠标抬起事件</a></li>
<li><a href="#鼠标右键点击事件">鼠标右键点击事件</a></li>
<li><a href="#鼠标移动事件">鼠标移动事件</a></li>
<li><a href="#鼠标移出视图事件">鼠标移出视图事件</a></li>
<li><a href="#鼠标移入视图事件">鼠标移入视图事件</a></li>
<li><a href="#zoom变化事件">zoom变化事件</a></li>
<li><a href="#地图移动事件">地图移动事件</a></li>
<li><a href="#地图大小变化事件">地图大小变化事件</a></li>
<li><a href="#键盘输入事件">键盘输入事件</a></li>
<li><a href="#键盘按下事件">键盘按下事件</a></li>
<li><a href="#键盘抬起事件">键盘抬起事件</a></li>
<li><a href="#地图视图改变事件">地图视图改变事件</a></li>
</ul>
</div>
</div>
<p class="summary"><h5>支持如下方法：</h5>
<a href='#flyTo'>[1、视点跳转]</a><br/>
<a href='#destroy'>[2、销毁视图对象]</a><br/>
<a href='#getCenter'>[3、获取当前视图的中心点]</a><br/>
<a href='#getPixelCenter'>[3、获取当前视图的像素中心点]</a><br/>
<a href='#getZoom'>[4、获取当前缩放级数]</a><br/>
<a href='#getExtent'>[5、获取当前视图的地理范围]</a><br/>
<a href='#getPixelWorldExtent'>[6、获取当前视图的像素范围]</a><br/>
<a href='#getMinZoom'>[7、获取最小缩放级数]</a><br/>
<a href='#getMaxZoom'>[8、获取最大缩放级数]</a><br/>
<a href='#getSize'>[9、获取当前视图容器的宽高]</a><br/>
<a href='#toJSON'>[10、导出场景视图的配置文件]</a><br/>
<a href='#clone'>[11、克隆并返回一个新的场景视图对象]</a><br/>
<a href='#fromJSON'>[12、通过json构造并返回一个新的场景视图对象]</a><br/>
<a href='#takeScreenshot'>[13、屏幕快照]</a><br/>
<code>14、注册事件</code><br/>
<code>15、移除事件</code><br/>
<a href='#toMap'>[15、屏幕像素坐标点转地理坐标点]</a><br/>
<a href='#toScreen'>[16、地理坐标点转屏幕像素坐标点]</a><br/>
<a href='#hitTest'>[17、穿透检测]</a><br/>
<a href='#getLayer'>[18、根据实际图层对象查询并返回基础图层]</a><br/>
<a href='#getScale'>[19、获取当前比例尺]</a><br/></p>
<h5>示例</h5>
<p class="code-caption"><h7 id='MapViewLeaflet'>初始化一个二维场景视图</h7></p>
<pre class="prettyprint"><code>// ES5引入方式
const { Map, MapViewLeaflet } = zondy
// ES6引入方式
import { Map, MapViewLeaflet } from "@mapgis/webclient-leaflet-plugin"
// 初始化图层管理容器
const map = new Map();
// 初始化地图视图对象
const mapView = new MapViewLeaflet({
// 二维场景视图的容器(html的div标签)ID
viewId: "二维场景视图的容器的id",
// 图层管理容器
map: map
});</code></pre>
</div>
</div>
</div>
</div>
<h3 class="subsection-title">继承关系</h3>
<ul>
<li>Evented</li>
</ul>
<div class='vertical-section'>
<h3 id='member'>成员变量</h3>
<h4 style="margin-top: 20px;margin-bottom: 20px;">成员变量概述</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th>描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code><a href="#animation">animation</a></code></td>
<td class="name">
<code>
<span class="param-type">
Boolean
</span>
</code>
</td>
<td class="name"><code><p>是否启用视角跳转动画</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#center">center</a></code></td>
<td class="name">
<code>
<span class="param-type">
Point
</span>
</code>
</td>
<td class="name"><code><p>地图视图中心点</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#engineType">engineType</a></code></td>
<td class="name">
<code>
<span class="param-type">
Object
</span>
</code>
</td>
<td class="name"><code><p>引擎类型，为'leaflet'</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#extent">extent</a></code></td>
<td class="name">
<code>
<span class="param-type">
Extent
</span>
</code>
</td>
<td class="name"><code><p>地图视图可视范围</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#fullExtent">fullExtent</a></code></td>
<td class="name">
<code>
<span class="param-type">
Extent
</span>
</code>
</td>
<td class="name"><code><p>地图视图最大显示范围。用户不设置时，将地图范围作为地图视图的最大显示范围，用户设置时采用用户设置的。地图视图初始化时，会根据此范围计算地图视图的最小比例尺，当瓦片数据的最大比例尺小于此比例尺时，无法显示。在相同视图大小下，fullExtent越大，地图视图的最小比例尺越小。</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#height">height</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p>地图视图高度</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#maxScale">maxScale</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p>地图视图的最大比例尺（比例尺的分母，该值越小，比例尺越大）。视图的当前比列尺不会大于地图视图的最大比例尺。默认值为undefined，undefined表示用户未设置，地图视图会根据当前加载的图层，自动计算maxScale、minScale的值。如果用户设置了该值，则地图视图将直接采用用户设置的值。maxScale的值应该始终小于minScale的值。</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#minScale">minScale</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p>地图视图的最小比例尺（比例尺的分母，该值越大，比例尺越小）。视图的当前比列尺不会小于地图视图的最小比例尺。默认值为undefined，undefined表示用户未设置，地图视图会根据当前加载的图层，自动计算maxScale、minScale的值。如果用户设置了该值，则地图视图将直接采用用户设置的值。minScale的值应该始终大于maxScale的值。</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#popup">popup</a></code></td>
<td class="name">
<code>
<span class="param-type">
<a link="Popup.html" onclick="getTypeHTML(event)" href="Popup.html">Popup</a>
</span>
</code>
</td>
<td class="name"><code><p>地图视图弹框popup</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#preferCanvas">preferCanvas</a></code></td>
<td class="name">
<code>
<span class="param-type">
Boolean
</span>
</code>
</td>
<td class="name"><code><p>视图渲染方式是否为canvas</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#rotation">rotation</a></code></td>
<td class="name">
<code>
<span class="param-type">
Boolean
</span>
</code>
</td>
<td class="name"><code><p>地图视图旋转选项。单位为度，默认为0，表示不进行旋转</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#scale">scale</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p>地图视图比例尺（比例尺的分母）</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#spatialReference">spatialReference</a></code></td>
<td class="name">
<code>
<span class="param-type">
SpatialReference
</span>
</code>
</td>
<td class="name"><code><p>视图空间参考系</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#spatialReferenceLocked">spatialReferenceLocked</a></code></td>
<td class="name">
<code>
<span class="param-type">
Boolean
</span>
</code>
</td>
<td class="name"><code><p>是否锁定视图空间参考系</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#stationary">stationary</a></code></td>
<td class="name">
<code>
<span class="param-type">
Boolean
</span>
</code>
</td>
<td class="name"><code><p>试图是否静止</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#width">width</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p>地图视图宽度</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#zoom">zoom</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p>视图层级</p></code></td>
</tr>
</tbody>
</table>
</div>
<h4 style="margin-top: 20px;margin-bottom: 20px;">成员变量详情</h4>
<div class="members">
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Boolean
</span>
</span>
<h4 class="name" id="animation">
<a class="href-link" href="#animation">#</a>
<span class="code-name">
animation
</span>
</h4>
<div class="description">
<p>是否启用视角跳转动画</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Point
</span>
</span>
<h4 class="name" id="center">
<a class="href-link" href="#center">#</a>
<span class="code-name">
center
</span>
</h4>
<div class="description">
<p>地图视图中心点</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Object
</span>
</span>
<h4 class="name" id="engineType">
<a class="href-link" href="#engineType">#</a>
<span class='tag'>readonly</span>
<span class="code-name">
engineType
</span>
</h4>
<div class="description">
<p>引擎类型，为'leaflet'</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Extent
</span>
</span>
<h4 class="name" id="extent">
<a class="href-link" href="#extent">#</a>
<span class="code-name">
extent
</span>
</h4>
<div class="description">
<p>地图视图可视范围</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Extent
</span>
</span>
<h4 class="name" id="fullExtent">
<a class="href-link" href="#fullExtent">#</a>
<span class="code-name">
fullExtent
</span>
</h4>
<div class="description">
<p>地图视图最大显示范围。用户不设置时，将地图范围作为地图视图的最大显示范围，用户设置时采用用户设置的。地图视图初始化时，会根据此范围计算地图视图的最小比例尺，当瓦片数据的最大比例尺小于此比例尺时，无法显示。在相同视图大小下，fullExtent越大，地图视图的最小比例尺越小。</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Number
</span>
</span>
<h4 class="name" id="height">
<a class="href-link" href="#height">#</a>
<span class='tag'>readonly</span>
<span class="code-name">
height
</span>
</h4>
<div class="description">
<p>地图视图高度</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Number
</span>
</span>
<h4 class="name" id="maxScale">
<a class="href-link" href="#maxScale">#</a>
<span class="code-name">
maxScale
</span>
</h4>
<div class="description">
<p>地图视图的最大比例尺（比例尺的分母，该值越小，比例尺越大）。视图的当前比列尺不会大于地图视图的最大比例尺。默认值为undefined，undefined表示用户未设置，地图视图会根据当前加载的图层，自动计算maxScale、minScale的值。如果用户设置了该值，则地图视图将直接采用用户设置的值。maxScale的值应该始终小于minScale的值。</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Number
</span>
</span>
<h4 class="name" id="minScale">
<a class="href-link" href="#minScale">#</a>
<span class="code-name">
minScale
</span>
</h4>
<div class="description">
<p>地图视图的最小比例尺（比例尺的分母，该值越大，比例尺越小）。视图的当前比列尺不会小于地图视图的最小比例尺。默认值为undefined，undefined表示用户未设置，地图视图会根据当前加载的图层，自动计算maxScale、minScale的值。如果用户设置了该值，则地图视图将直接采用用户设置的值。minScale的值应该始终大于maxScale的值。</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
<a link="Popup.html" onclick="getTypeHTML(event)" href="Popup.html">Popup</a>
</span>
</span>
<h4 class="name" id="popup">
<a class="href-link" href="#popup">#</a>
<span class="code-name">
popup
</span>
</h4>
<div class="description">
<p>地图视图弹框popup</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Boolean
</span>
</span>
<h4 class="name" id="preferCanvas">
<a class="href-link" href="#preferCanvas">#</a>
<span class="code-name">
preferCanvas
</span>
</h4>
<div class="description">
<p>视图渲染方式是否为canvas</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Boolean
</span>
</span>
<h4 class="name" id="rotation">
<a class="href-link" href="#rotation">#</a>
<span class="code-name">
rotation
</span>
</h4>
<div class="description">
<p>地图视图旋转选项。单位为度，默认为0，表示不进行旋转</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Number
</span>
</span>
<h4 class="name" id="scale">
<a class="href-link" href="#scale">#</a>
<span class="code-name">
scale
</span>
</h4>
<div class="description">
<p>地图视图比例尺（比例尺的分母）</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
SpatialReference
</span>
</span>
<h4 class="name" id="spatialReference">
<a class="href-link" href="#spatialReference">#</a>
<span class='tag'>readonly</span>
<span class="code-name">
spatialReference
</span>
</h4>
<div class="description">
<p>视图空间参考系</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Boolean
</span>
</span>
<h4 class="name" id="spatialReferenceLocked">
<a class="href-link" href="#spatialReferenceLocked">#</a>
<span class="code-name">
spatialReferenceLocked
</span>
</h4>
<div class="description">
<p>是否锁定视图空间参考系</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Boolean
</span>
</span>
<h4 class="name" id="stationary">
<a class="href-link" href="#stationary">#</a>
<span class='tag'>readonly</span>
<span class="code-name">
stationary
</span>
</h4>
<div class="description">
<p>试图是否静止</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Number
</span>
</span>
<h4 class="name" id="width">
<a class="href-link" href="#width">#</a>
<span class='tag'>readonly</span>
<span class="code-name">
width
</span>
</h4>
<div class="description">
<p>地图视图宽度</p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<span class="method-parameter is-pulled-right">
<label>类型:</label>
<span class="param-type">
Number
</span>
</span>
<h4 class="name" id="zoom">
<a class="href-link" href="#zoom">#</a>
<span class="code-name">
zoom
</span>
</h4>
<div class="description">
<p>视图层级</p>
</div>
<dl class="details">
</dl>
</div>
</div>
</div>
<div class='vertical-section'>
<h3 id='function'>方法</h3>
<h4 style="margin-top: 20px;margin-bottom: 20px;">方法概述</h4>
<div class="members">
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>返回值类型</th>
<th>描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code><a href="#fromJSON">fromJSON</a></code></td>
<td class="name">
<code>
<span class="param-type">
<a link="MapViewLeaflet.html" onclick="getTypeHTML(event)" href="MapViewLeaflet.html">MapViewLeaflet</a>
</span>
</code>
</td>
<td class="name"><code><p>通过json构造并返回一个新的场景视图对象</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#fromJSON">fromJSON</a></code></td>
<td class="name">
<code>
<span class="param-type">
<a link="MapViewLeaflet.html" onclick="getTypeHTML(event)" href="MapViewLeaflet.html">MapViewLeaflet</a>
</span>
</code>
</td>
<td class="name"><code><p>通过一个配置生成一个场景视图对象</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#clone">clone</a></code></td>
<td class="name">
<code>
<span class="param-type">
<a link="MapViewLeaflet.html" onclick="getTypeHTML(event)" href="MapViewLeaflet.html">MapViewLeaflet</a>
</span>
</code>
</td>
<td class="name"><code><p>克隆并返回一个新的视图对象</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#destroy">destroy</a></code></td>
<td class="name">
<code>
</code>
</td>
<td class="name"><code><p>销毁视图对象</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#flyTo">flyTo</a></code></td>
<td class="name">
<code>
</code>
</td>
<td class="name"><code><p>视点跳转</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getCenter">getCenter</a></code></td>
<td class="name">
<code>
<span class="param-type">
Object
</span>
</code>
</td>
<td class="name"><code><p>获取当前视图的中心点</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getExtent">getExtent</a></code></td>
<td class="name">
<code>
<span class="param-type">
Extent
</span>
</code>
</td>
<td class="name"><code><p>获取当前视图的地理范围</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getMaxZoom">getMaxZoom</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p>获取最大缩放级数</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getMinZoom">getMinZoom</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p>获取最小缩放级数</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getPixelCenter">getPixelCenter</a></code></td>
<td class="name">
<code>
<span class="param-type">
Object
</span>
</code>
</td>
<td class="name"><code><p>获取当前视图的像素中心点</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getPixelExtent">getPixelExtent</a></code></td>
<td class="name">
<code>
<span class="param-type">
Object
</span>
</code>
</td>
<td class="name"><code><p>获取当前视图的宽高范围，单位像素</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getPixelWorldExtent">getPixelWorldExtent</a></code></td>
<td class="name">
<code>
<span class="param-type">
Object
</span>
</code>
</td>
<td class="name"><code><p>获取当前视图的像素范围</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getScale">getScale</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getSize">getSize</a></code></td>
<td class="name">
<code>
<span class="param-type">
Object
</span>
</code>
</td>
<td class="name"><code><p>获取当前视图容器的宽高，单位像素</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getZoom">getZoom</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p>获取当前缩放级数</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#getZoomByExtent">getZoomByExtent</a></code></td>
<td class="name">
<code>
<span class="param-type">
Number
</span>
</code>
</td>
<td class="name"><code><p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#goTo">goTo</a></code></td>
<td class="name">
<code>
</code>
</td>
<td class="name"><code><p>视点跳转为给定的目标</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#hitTest">hitTest</a></code></td>
<td class="name">
<code>
<span class="param-type">
Array
</span>
</code>
</td>
<td class="name"><code><p>穿透检测，图元拾取。目前支持graphic类型拾取结果，支持图层类型GraphicLayer，FeatureLayer。</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#takeScreenshot">takeScreenshot</a></code></td>
<td class="name">
<code>
<span class="param-type">
Object
</span>
</code>
</td>
<td class="name"><code><p>屏幕快照</p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#toJSON">toJSON</a></code></td>
<td class="name">
<code>
<span class="param-type">
Object
</span>
</code>
</td>
<td class="name"><code><p>导出场景视图的配置文件</code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#toMap">toMap</a></code></td>
<td class="name">
<code>
<span class="param-type">
Point
</span>
</code>
</td>
<td class="name"><code><p></code></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code><a href="#toScreen">toScreen</a></code></td>
<td class="name">
<code>
<span class="param-type">
Object
</span>
</code>
</td>
<td class="name"><code><p></code></td>
</tr>
</tbody>
</table>
</div>
<h4 style="margin-top: 20px;margin-bottom: 20px;">方法详情</h4>
<div class="member">
<h4 class="name" id=".fromJSON">
<a class="href-link" href="#.fromJSON">#</a>
<span class='tag'>static</span>
<span class="code-name" id="fromJSON" style="font-size:30px">
fromJSON<span class="signature">(json)</span>
</span>
</h4>
<div class="description">
<p>通过json构造并返回一个新的场景视图对象<a id='fromJSON'></a></p>
</div>
<h4>参数</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th class="last">描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code>json</code></td>
<td class="type">
<span class="param-type">
Object
</span>
</td>
<td class="description last"><p>json对象</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>一个新的场景视图对象</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
<a link="MapViewLeaflet.html" onclick="getTypeHTML(event)" href="MapViewLeaflet.html">MapViewLeaflet</a>
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id=".fromJSON">
<a class="href-link" href="#.fromJSON">#</a>
<span class='tag'>static</span>
<span class="code-name" id="fromJSON" style="font-size:30px">
fromJSON<span class="signature">(json)</span>
</span>
</h4>
<div class="description">
<p>通过一个配置生成一个场景视图对象</p>
</div>
<h4>参数</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th class="last">描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code>json</code></td>
<td class="type">
<span class="param-type">
Object
</span>
</td>
<td class="description last"><p>场景视图配置</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
<a link="MapViewLeaflet.html" onclick="getTypeHTML(event)" href="MapViewLeaflet.html">MapViewLeaflet</a>
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="clone">
<a class="href-link" href="#clone">#</a>
<span class="code-name" id="clone" style="font-size:30px">
clone<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>克隆并返回一个新的视图对象<a id='clone'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>一个新的场景视图对象</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
<a link="MapViewLeaflet.html" onclick="getTypeHTML(event)" href="MapViewLeaflet.html">MapViewLeaflet</a>
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="destroy">
<a class="href-link" href="#destroy">#</a>
<span class="code-name" id="destroy" style="font-size:30px">
destroy<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>销毁视图对象<a id='destroy'></a></p>
</div>
<dl class="details">
</dl>
</div>
<div class="member">
<h4 class="name" id="flyTo">
<a class="href-link" href="#flyTo">#</a>
<span class="code-name" id="flyTo" style="font-size:30px">
flyTo<span class="signature">(options)</span>
</span>
</h4>
<div class="description">
<p>视点跳转<a id='flyTo'></a></p>
</div>
<h4>参数</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th style="min-width: 100px;">默认值</th>
<th class="last">描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code>options</code></td>
<td class="type">
</td>
<td class="default">
</td>
<td class="description last"><p>跳转参数</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>center</code></td>
<td class="type">
<span class="param-type">
Array
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>跳转中心点</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>zoom</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
1
</td>
<td class="description last"><p>地图层级</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>extent</code></td>
<td class="type">
<span class="param-type">
Extent
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>按范围跳转</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
</dl>
<h5>示例</h5>
<p class="code-caption"><h7>中心点跳转示例</h7></p>
<pre class="prettyprint"><code>// ES5引入方式
const { Map, MapViewLeaflet } = zondy
// ES6引入方式
import { Map, MapViewLeaflet } from "@mapgis/webclient-leaflet-plugin"
// 初始化图层管理容器
map = new .Map();
// 初始化地图视图对象
mapView = new MapViewLeaflet({
// 视图id
viewId: "view-id",
// 图层管理容器
map: map
});
// 视点跳转
mapView.flyTo({
// 跳转中心点
center: [{x}, {y}],
// 地图层级
zoom: {zoom}
});</code></pre>
<p class="code-caption"><h7>按范围跳转示例</h7></p>
<pre class="prettyprint"><code>// ES5引入方式
const { Map, MapViewLeaflet } = zondy
const { Extent } = zondy.Geometry
// ES6引入方式
import { Map, MapViewLeaflet, Extent } from "@mapgis/webclient-leaflet-plugin"
// 初始化图层管理容器
map = new Map();
// 初始化地图视图对象
mapView = new MapViewLeaflet({
// 视图id
viewId: "view-id",
// 图层管理容器
map: map
});
mapView.flyTo({
// 范围几何
extent: new Extent({
"xmin":10,
"xmax":210,
"ymin":0,
"ymax":100,
})
});</code></pre>
<p class="code-caption"><h7>按范围跳转示例-拿到图层信息后跳转</h7></p>
<pre class="prettyprint"><code>// ES5引入方式
const { IGSMapImageLayer } = zondy.Layer
// ES6引入方式
import { IGSMapImageLayer } from "@mapgis/webclient-leaflet-plugin"
const igsMapImageLayer = new IGSMapImageLayer({
url: 'http://192.168.82.89:8089/igs/rest/services/Map/Hubei4326/MapServer'
});
map.add(igsMapImageLayer);
// 图层加载完毕
igsMapImageLayer.on('layer-view-created', function (result) {
console.log("加载完毕:", result.layer)
//视点跳转
mapView.flyTo({
extent: result.layer.extent
});
})</code></pre>
</div>
<div class="member">
<h4 class="name" id="getCenter">
<a class="href-link" href="#getCenter">#</a>
<span class="code-name" id="getCenter" style="font-size:30px">
getCenter<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>获取当前视图的中心点<a id='getCenter'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>中心点对象</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Object
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="getExtent">
<a class="href-link" href="#getExtent">#</a>
<span class="code-name" id="getExtent" style="font-size:30px">
getExtent<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>获取当前视图的地理范围<a id='getExtent'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>获取当前视图的地理范围</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Extent
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="getMaxZoom">
<a class="href-link" href="#getMaxZoom">#</a>
<span class="code-name" id="getMaxZoom" style="font-size:30px">
getMaxZoom<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>获取最大缩放级数<a id='getMaxZoom'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>最大缩放级数</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Number
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="getMinZoom">
<a class="href-link" href="#getMinZoom">#</a>
<span class="code-name" id="getMinZoom" style="font-size:30px">
getMinZoom<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>获取最小缩放级数<a id='getMinZoom'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>最小缩放级数</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Number
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="getPixelCenter">
<a class="href-link" href="#getPixelCenter">#</a>
<span class="code-name" id="getPixelCenter" style="font-size:30px">
getPixelCenter<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>获取当前视图的像素中心点<a id='getPixelCenter'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>像素中心点对象</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Object
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="getPixelExtent">
<a class="href-link" href="#getPixelExtent">#</a>
<span class="code-name" id="getPixelExtent" style="font-size:30px">
getPixelExtent<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>获取当前视图的宽高范围，单位像素<a id='getPixelExtent'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>视图宽高对象</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Object
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="getPixelWorldExtent">
<a class="href-link" href="#getPixelWorldExtent">#</a>
<span class="code-name" id="getPixelWorldExtent" style="font-size:30px">
getPixelWorldExtent<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>获取当前视图的像素范围<a id='getPixelWorldExtent'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>当前视图的像素范围</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Object
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="getScale">
<a class="href-link" href="#getScale">#</a>
<span class="code-name" id="getScale" style="font-size:30px">
getScale<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p><a id='getScale'></a>
获取当前比例尺</p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>比例尺 实际10000米:地图1米</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Number
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="getSize">
<a class="href-link" href="#getSize">#</a>
<span class="code-name" id="getSize" style="font-size:30px">
getSize<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>获取当前视图容器的宽高，单位像素<a id='getSize'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>当前视图容器的宽高对象</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Object
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="getZoom">
<a class="href-link" href="#getZoom">#</a>
<span class="code-name" id="getZoom" style="font-size:30px">
getZoom<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>获取当前缩放级数<a id='getZoom'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>当前缩放级数</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Number
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="getZoomByExtent">
<a class="href-link" href="#getZoomByExtent">#</a>
<span class="code-name" id="getZoomByExtent" style="font-size:30px">
getZoomByExtent<span class="signature">(value)</span>
</span>
</h4>
<div class="description">
<p><a id='getZoomByExtent'></a>
根据视野范围获取对应的层级</p>
</div>
<h4>参数</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th class="last">描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code>value</code></td>
<td class="type">
<span class="param-type">
Extent
</span>
</td>
<td class="description last"><p>范围对象</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>视野范围获取对应的层级</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Number
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="goTo">
<a class="href-link" href="#goTo">#</a>
<span class="code-name" id="goTo" style="font-size:30px">
goTo<span class="signature">(goToTarget, options)</span>
</span>
</h4>
<div class="description">
<p>视点跳转为给定的目标<a id='goTo'></a></p>
</div>
<h4>参数</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th style="min-width: 100px;">默认值</th>
<th class="last">描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code>goToTarget</code></td>
<td class="type">
</td>
<td class="default">
</td>
<td class="description last"><p>跳转参数</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>center</code></td>
<td class="type">
<span class="param-type">
Point
</span>
|
<span class="param-type">
Array
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>视图跳转中心点</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>zoom</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>视图跳转层级</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>scale</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>视图跳转比例尺</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>target</code></td>
<td class="type">
<span class="param-type">
Geometry
</span>
|
<span class="param-type">
Array.<Geometry>
</span>
|
<span class="param-type">
Collection.<Geometry>
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>按范围跳转</p></td>
</tr>
<tr class="deep-level-0">
<td class="name"><code>options</code></td>
<td class="type">
</td>
<td class="default">
</td>
<td class="description last"><p>动画参数</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>animate</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>新视图的过渡是否开启动画，默认开启动画</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>duration</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
200
</td>
<td class="description last"><p>动画的持续时间，以毫秒为单位，默认200毫秒</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
</dl>
<h5>示例</h5>
<p class="code-caption"><h7>中心点跳转示例</h7></p>
<pre class="prettyprint"><code>// ES5引入方式
const { Map, MapViewLeaflet } = zondy
// ES6引入方式
import { Map, MapViewLeaflet as MapViewLeaflet } from "@mapgis/webclient-leaflet-plugin"
// 初始化图层管理容器
map = new .Map();
// 初始化地图视图对象
mapView = new MapViewLeaflet({
// 视图id
viewId: "view-id",
// 图层管理容器
map: map
});
// 视点跳转
mapView.goTo({
// 跳转中心点
center: [115.47643872463577, 30.980700423496124],
// 地图层级
zoom: 8
});</code></pre>
<p class="code-caption"><h7>按范围跳转示例</h7></p>
<pre class="prettyprint"><code>// ES5引入方式
const { Map, MapViewLeaflet } = zondy
const { Extent, Circle } = zondy.Geometry
// ES6引入方式
import { Map, MapViewLeaflet as MapViewLeaflet } from "@mapgis/webclient-leaflet-plugin"
// 初始化图层管理容器
map = new Map();
// 初始化地图视图对象
mapView = new MapViewLeaflet({
// 视图id
viewId: "view-id",
// 图层管理容器
map: map
});
const extent1 = new Extent({
xmin: 111.88463529230717,
ymin: 28.646934514163803,
xmax: 116.89989408129225,
ymax: 33.07991791253288,
})
const geometry2 = new Circle({
center: [111, 29],
radius: 100,
radiusUnit: "kilometers",
})
mapView
.goTo({
target: [extent1, geometry2],
})
.then(() => {
console.log("gotoExtent callback")
})</code></pre>
</div>
<div class="member">
<h4 class="name" id="hitTest">
<a class="href-link" href="#hitTest">#</a>
<span class="code-name" id="hitTest" style="font-size:30px">
hitTest<span class="signature">(screenPoint)</span>
</span>
</h4>
<div class="description">
<p>穿透检测，图元拾取。目前支持graphic类型拾取结果，支持图层类型GraphicLayer，FeatureLayer。</p>
</div>
<h4>参数</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th class="last">描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code>screenPoint</code></td>
<td class="type">
<span class="param-type">
Object
</span>
</td>
<td class="description last"><p>屏幕像素坐标点，例如{ x: 900, y: 500 }</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>图元检测结果</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Array
</span>
</div>
</div>
</div>
</div>
<h5>示例</h5>
<p class="code-caption"><h7>根据基础图层对象或者图层id查询并返回实际图层</h7></p>
<pre class="prettyprint"><code>// ES6引入方式
import { MapViewLeaflet } from "@mapgis/webclient-leaflet-plugin";
import { Map, Point, Polygon, MultiPolygon ,Extent, GraphicsLayer, Feature, Circle, IGSFeatureLayer, IGSTileLayer } from "@mapgis/webclient-common";
// 初始化图层管理容器
const map = new Map();
// 初始化地图视图对象
this.mapView = new MapViewLeaflet({
// 视图id
viewId: "mapgis-2d-viewer",
// 图层管理容器
map: map,
})
// 创建一个要素
const feature = [
new Feature({
id: '11113',
geometry: new Circle({
center: [113, 35],
radius: 10000,
radiusUnit: 'kilometers',
})
}),
new Feature({
id: '11114',
geometry: new Polygon({
coordinates: [
// 外圈
[
[113.0, 29.0],
[116.0, 29.0],
[116.0, 35.0],
[113.0, 35.0],
[113.0, 29.0]
]
]
})
}),
new Feature({
id: '11115',
geometry:new MultiPolygon({
coordinates: [
[
// 外圈
[
[112.0, 28.0],
[115.0, 28.0],
[115.0, 30.0],
[112.0, 30.0],
[112.0, 28.0]
],
// 第一个内圈
[
[112.2, 28.2],
[112.2, 29.8],
[114.8, 29.8],
[114.8, 28.2],
[112.2, 28.2]
]
]
]
})
})
]
// 初始化几何图层
const graphicsLayer = new GraphicsLayer({
graphics:feature
})
map.add(this.graphicsLayer)
const result = this.mapView.hitTest({x:1100,y:600})</code></pre>
</div>
<div class="member">
<h4 class="name" id="takeScreenshot">
<a class="href-link" href="#takeScreenshot">#</a>
<span class="code-name" id="takeScreenshot" style="font-size:30px">
takeScreenshot<span class="signature">(options<span class="signature-attributes">opt</span>)</span>
</span>
</h4>
<div class="description">
<p>屏幕快照</p>
</div>
<h4>参数</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th style="min-width: 100px;">默认值</th>
<th class="last">描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code>options</code></td>
<td class="type">
<span class="param-type">
Object
</span>
</td>
<td class="default">
{}
</td>
<td class="description last"><p>屏幕快照配置配置</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>format</code></td>
<td class="type">
<span class="param-type">
PictureFormat
</span>
</td>
<td class="default">
PictureFormat.png
</td>
<td class="description last"><p>照片格式，支持png，jpeg格式</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>filename</code></td>
<td class="type">
<span class="param-type">
String
</span>
</td>
<td class="default">
'screenshotFile'
</td>
<td class="description last"><p>下载文件名</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>width</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>图片宽度</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>height</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>图片高度</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>图片原点x</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">
Number
</span>
</td>
<td class="default">
</td>
<td class="description last"><p>图片原点y</p></td>
</tr>
<tr class="deep-level-1">
<td class="name"><code>isDownload</code></td>
<td class="type">
<span class="param-type">
Boolean
</span>
</td>
<td class="default">
true
</td>
<td class="description last"><p>是否下载图片</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>屏幕快照 {dataUrl String }，且浏览器会下载图片</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Object
</span>
</div>
</div>
</div>
</div>
<h5>示例</h5>
<p class="code-caption"><h7>屏幕快照</h7></p>
<pre class="prettyprint"><code>// ES5引入方式
const { Map, MapViewLeaflet } = zondy
const { PictureFormat } = zondy.Enum
// ES6引入方式
import { Map, MapViewLeaflet } from "@mapgis/webclient-leaflet-plugin"
import { PictureFormat } from "@mapgis/webclient-common"
// 初始化图层管理容器
const map = new Map();
// 初始化地图视图对象
const mapView = new MapViewLeaflet({
// 二维场景视图的容器(html的div标签)ID
viewId: "二维场景视图的容器的id",
// 图层管理容器
map: map
})
// 设置屏幕快照参数
const screenshotOptions: {
format: PictureFormat.png
}
// 开始屏幕快照
mapView.takeScreenshot(screenshotOptions).then((result) => {
// 获取base64格式的url字符串
console.log("dataUrl:", result.dataUrl)
})</code></pre>
</div>
<div class="member">
<h4 class="name" id="toJSON">
<a class="href-link" href="#toJSON">#</a>
<span class="code-name" id="toJSON" style="font-size:30px">
toJSON<span class="signature">()</span>
</span>
</h4>
<div class="description">
<p>导出场景视图的配置文件<a id='toJSON'></a></p>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>导出的配置文件</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Object
</span>
</div>
</div>
</div>
</div>
</div>
<div class="member">
<h4 class="name" id="toMap">
<a class="href-link" href="#toMap">#</a>
<span class="code-name" id="toMap" style="font-size:30px">
toMap<span class="signature">(screenPoint)</span>
</span>
</h4>
<div class="description">
<p><a id='toMap'></a>
屏幕像素坐标点转地理坐标点</p>
</div>
<h4>参数</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th class="last">描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code>screenPoint</code></td>
<td class="type">
<span class="param-type">
Object
</span>
</td>
<td class="description last"><p>屏幕像素坐标点，例如{ x: 900, y: 500 }</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>地理坐标点</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Point
</span>
</div>
</div>
</div>
</div>
<h5>示例</h5>
<p class="code-caption"><h5>屏幕像素坐标点转地理坐标示例</h5></p>
<pre class="prettyprint"><code>// ES6引入方式
import { MapViewLeaflet } from "@mapgis/webclient-leaflet-plugin"
import { Map, Point, Extent } from "@mapgis/webclient-common"
// 初始化图层管理容器
const map = new Map();
// 初始化地图视图对象
const mapView = new MapViewLeaflet({
// 视图id
viewId: "mapgis-2d-viewer",
// 图层管理容器
map: map
});
const screenPoint = { x: 900, y: 500 }
mapView.toMap(screenPoint)</code></pre>
</div>
<div class="member">
<h4 class="name" id="toScreen">
<a class="href-link" href="#toScreen">#</a>
<span class="code-name" id="toScreen" style="font-size:30px">
toScreen<span class="signature">(point)</span>
</span>
</h4>
<div class="description">
<p><a id='toScreen'></a>
地理坐标点转屏幕像素坐标点</p>
</div>
<h4>参数</h4>
<div class="table-container">
<table class="params table">
<thead>
<tr>
<th>名称</th>
<th>类型</th>
<th class="last">描述</th>
</tr>
</thead>
<tbody>
<tr class="deep-level-0">
<td class="name"><code>point</code></td>
<td class="type">
<span class="param-type">
Point
</span>
</td>
<td class="description last"><p>地理坐标点</p></td>
</tr>
</tbody>
</table>
</div>
<dl class="details">
</dl>
<div class='columns method-parameter'>
<div class="column is-2"><label>返回值</label></div>
<div class="column is-10">
<div class="columns">
<div class='param-desc column is-7'><p>屏幕像素坐标点</p></div>
<div class='column is-5 has-text-left'>
<label>类型: </label>
<span class="param-type">
Object
</span>
</div>
</div>
</div>
</div>
<h5>示例</h5>
<p class="code-caption"><h5>地理坐标点转屏幕像素坐标示例</h5></p>
<pre class="prettyprint"><code>// ES6引入方式
import { MapViewLeaflet } from "@mapgis/webclient-leaflet-plugin"
import { Map, Point, Extent } from "@mapgis/webclient-common"
// 初始化图层管理容器
const map = new Map();
// 初始化地图视图对象
const mapView = new MapViewLeaflet({
// 视图id
viewId: "mapgis-2d-viewer",
// 图层管理容器
map: map
});
const geoPoint = new Point({ coordinates: [123, 23, 0] })
mapView.toScreen(geoPoint)</code></pre>
</div>
</div>
</div>
</article>
</section>