@mapgis/webclient-leaflet-plugin
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<h1> MapGIS Client for JavaScript API</h1>
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Cesium
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MapboxGL
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<div class="category"><div style="font-weight: bold;vertical-align: middle;padding: 0.4rem 0;" class="mapgis-menu-span"><img style="width: 20px;margin-right: 6px;vertical-align: middle;" src="./styles/m.png" alt="">视图模块</div><ul class="mapgis-sidebar-menus"><li><img style="width: 20px;margin-right: 6px;vertical-align: middle;" src="./styles/c.png" alt=""><a href="DrawControl.html">DrawControl</a><span style="display: none;"><p>绘制工具</p></span></li><li><img style="width: 20px;margin-right: 6px;vertical-align: middle;" src="./styles/c.png" alt=""><a href="MapView.html">MapView</a><span style="display: none;"><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[Map]{@link Map},<br/>
参考示例:
<a href='#MapView'>[初始化二维场景视图]</a>
<br>[ES5引入方式]:<br/>
Zondy.MapView() <br/>
[ES6引入方式]:<br/>
import { MapView } from '@mapgis/webclient-leaflet-plugin' <br/></p></span></li><li><img style="width: 20px;margin-right: 6px;vertical-align: middle;" src="./styles/c.png" alt=""><a href="Popup.html">Popup</a><span style="display: none;"><p>二维场景信息弹窗(leaflet引擎)
参考示例:
<a href='#MapView'>[初始化二维场景视图]</a>
[ES6引入方式]:<br/>
import { Popup } from '@mapgis/webclient-leaflet-plugin' <br/>
自定义样式说明:<br/>
zondy-popup__content 弹窗容器样式<br/>
zondy-popup__tip 弹窗对话框箭头样式<br/>
zondy-popup__header 弹窗头部样式<br/>
zondy-popup__content 弹窗主体样式<br/>
zondy-popup__footer 弹窗底部样式<br/></p></span></li><li><img style="width: 20px;margin-right: 6px;vertical-align: middle;" src="./styles/c.png" alt=""><a href="Screenshot.html">Screenshot</a><span style="display: none;"><p>屏幕打印工具</p></span></li></ul><div style="font-weight: bold;vertical-align: middle;padding: 0.4rem 0;" class="mapgis-menu-span"><img style="width: 20px;margin-right: 6px;vertical-align: middle;" src="./styles/m.png" alt="">草图编辑模块</div><ul class="mapgis-sidebar-menus"><li><img style="width: 20px;margin-right: 6px;vertical-align: middle;" src="./styles/c.png" alt=""><a href="SketchEditorLeaflet.html">SketchEditorLeaflet</a><span style="display: none;"><p>二维场景草图编辑类<br/>
<br>[ES5引入方式]:<br/>
const { SketchEditorLeaflet } = Zondy <br/>
[ES6引入方式]:<br/>
import { SketchEditorLeaflet } from "@mapgis/webclient-leaflet-plugin" <br/></p></span></li></ul><div style="font-weight: bold;vertical-align: middle;padding: 0.4rem 0;" class="mapgis-menu-span"><img style="width: 20px;margin-right: 6px;vertical-align: middle;" src="./styles/m.png" alt="">渲染器模块</div><ul class="mapgis-sidebar-menus"><li><img style="width: 20px;margin-right: 6px;vertical-align: middle;" src="./styles/c.png" alt=""><a href="Zondy.ThemeLayer.GraphThemeLayer.html">GraphThemeLayer</a><span style="display: none;"><p>统计专题图通过为每个要素绘制统计图表来反映其对应的专题值的大小。它可同时表示多个字段属性信息,在区域本身与各区域之间形成横向和纵向的对比。<br>统计专题图多用于具有相关数量特征的地图上,比如表示不同地区多年的粮食产量、GDP、人口等,不同时段客运量、地铁流量等。目前提供的统计图类型有:柱状图(Bar),折线图(Line),饼图(Pie),三维柱状图(Bar3D),点状图(Point),环状图(Ring)。</p></span></li></ul></div>
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<span class="page-title-main">类名</span>
<span class="page-title-sub">document/theme/SimpleThemeLayer.js</span>
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<section>
<article>
<pre class="prettyprint source linenums"><code>import { Zondy } from '@mapgis/webclient-common'
import * as L from '@mapgis/leaflet'
// eslint-disable-next-line import/no-extraneous-dependencies
import { copyAttributesWithClip } from '@mapgis/webclient-graphic-render'
import GeoFeatureThemeLayer from './GeoFeatureThemeLayer'
import ThemeLayer from './ThemeLayer'
/**
* @class Zondy.ThemeLayer.simpleThemeLayer
* @classdesc 统一分配专题图。
* @description 统一分配专题图对数据(<{@link Zondy.Feature.Vector}>)属性字段(attributes)的属性值进行分段,使用统一的颜色或符号(线型、填充)渲染不同范围段的属性值。统一分配专题图一般用来反映连续分布现象的数量或程度特征,如降水量的分布,土壤侵蚀强度的分布等。
* @extends Zondy.ThemeLayer.GeoFeatureThemeLayer
* @param {string} name - 图层名
* @param {Object} options - 图层参数。
* @param {string} [options.id] - 专题图层 ID。默认使用 CommonUtil.createUniqueID("themeLayer_") 创建专题图层 ID。
* @param {number} [options.opacity=1] - 图层透明度。
* @param {number} [options.nodesClipPixel=2] - 节点抽稀像素距离。
* @param {boolean} [options.isHoverAble=false] - 图形是否在 hover 时高亮。
* @param {boolean} [options.isMultiHover=false] - 是否多图形同时高亮,用于高亮同一个数据对应的所有图形(如:多面)。
* @param {boolean} [options.isClickAble=true] - 图形是否可点击。
* @param {boolean} [options.isAllowFeatureStyle=false] - 是否允许 feature 样式(style) 中的有效属性应用到专题图层。禁止对专题要素使用数据(feature)的 style。此属性可强制将数据 feature 的 style 中有效属性应用到专题要素上,且拥有比图层 style 和 styleGroups 更高的优先级,使专题要素的样式脱离专题图层的控制。可以通过此方式实现对特殊数据(feature) 对应专题要素赋予独立 style。
*/
const SimpleThemeLayer = GeoFeatureThemeLayer.extend({
/**
* @function Zondy.ThemeLayer.simpleThemeLayer.prototype.initialize
* @description 初始化。
* @param {string} name - 专题图名。
* @param {Object} options - 需要设置的参数对象。
*/
initialize(name, options) {
GeoFeatureThemeLayer.prototype.initialize.call(this, name, options)
// {Array<Zondy.ThemeLayer.ThemeStyle>} 图层中专题要素的样式
this.style = []
},
/**
* @function Zondy.ThemeLayer.simpleThemeLayer.prototype.getColor
* @description 获取随机颜色
* @return {Array} color
*/
getColor() {
const colorValue = '0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f'
const colorArray = colorValue.split(',')
let color = '#' // 定义一个存放十六进制颜色值的字符串变量,先将#存放进去
for (let i = 0; i < 6; i++) {
color += colorArray[Math.floor(Math.random() * 16)]
}
return color
},
/**
* @function Zondy.ThemeLayer.simpleThemeLayer.prototype.getStyleByData
* @description 根据用户数据(feature)设置专题要素的 Style
* @return {Array<Zondy.ThemeLayer.ThemeStyle>} 专题要素的 Style
*/
getStyleByData() {
const me = this
const style = copyAttributesWithClip({}, me.style)
if (style.fillColor === null) {
style.fillColor = me.getColor()
}
me.style = style
return style
},
/**
* @function Zondy.ThemeLayer.simpleThemeLayer.prototype.redraw
* @description 重绘专题图
*/
redraw() {
return ThemeLayer.prototype.redraw.apply(this, arguments)
}
})
Zondy.ThemeLayer.SimpleThemeLayer = SimpleThemeLayer
export default SimpleThemeLayer
</code></pre>
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