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ol-interaction-layerspyglass

v1.0.1

Published

openlayers layerspyglass

Downloads

4

Readme

openlayers 扩展图层滤镜功能

Build Status NPM

提供图层滤镜功能(参考openlayers官方示例

build

重要: Github 仓库的 /dist 文件夹只有在新版本发布时才会更新。如果想要使用 Github 上最新的源码,你需要自己构建。


git clone https://github.com/aurorafe/ol-interaction-LayerSpyglass.git
npm install
npm run dev
npm run build

Use

ol.interaction.LayerSpyglass(options)

tip: 需要放到滤镜中的图层必须显示的定义visible为不可见。

CDN

https://unpkg.com/[email protected]/dist/ol-interaction-LayerSpyglass.min.js
https://unpkg.com/[email protected]/dist/ol-interaction-LayerSpyglass.js

NPM

npm install ol-interaction-layerspyglass --save
import 'ol-interaction-layerspyglass'

Examples

demo

其他示例请参看example文件夹

options:

| key | type | desc | | :--- | :--- | :---------- | | spyLayer | Object | 滤镜中图层 | | radius | Number | 滤镜半径,默认 75 | | minRadius | Number | 滤镜可调整最小半径,默认 25 | | maxRadius | Number | 滤镜可调整最大半径,默认 150 | | lineWidth | Number | 滤镜边框宽度,默认 5 | | strokeStyle | String | 滤镜默认边框颜色,默认 rgba(0, 0, 0, 0.5) | | zoomInKeyCode | Number | 键盘控制滤镜放大对应的keyCode,默认为 38 方向上 | | zoomOutKeyCode | Number | 键盘控制滤镜缩小对应的keyCode,默认为 40 方向下 |

Extends

ol.interaction.Pointer

Methods

setMap(map)

设置当前地图实例

Parameters:

| key | type | desc | | :--- | :--- | :---------- | | map | ol.Map | 地图实例 |