openlayers 入门教程（十五）：与 canvas、echart，turf 等交互-白红宇

openlayers 入门教程（十五）：与 canvas、echart，turf 等交互

阅读量：791 次

发布时间：2023-02-23

本文共 1055 字，大约阅读时间需要 3 分钟。

OpenLayers????

OpenLayers ????? GIS ??????? WebGIS ?????????????????? GIS ??????????? Canvas?Turf.js ? ECharts????? Canvas?Turf.js ? ECharts ???????? OpenLayers ??????

1. OpenLayers Canvas

? OpenLayers ??Canvas API ????????????????????

Canvas ???? ol.layer.Vector ? ol.layer.Image ?????????????

???????? postcompose ?????? Canvas ????????????????

Canvas API ?????????????????????????????????

2. OpenLayers Turf.js

Turf.js ??????????????????? GIS ???OpenLayers ? Turf.js ????????????????

????????? GeoJSON ??????????????????

??????? OpenLayers Feature ????????????????????

Turf.js ? OpenLayers ?????? GIS ??????????

3. OpenLayers ECharts

??????????ECharts ? OpenLayers ???????????????????

???????? HTML ???? ECharts ?????????????

??????? zoom?pan ?????????????

ECharts ???????????? GIS ????????????

????

OpenLayers ??????????????????? Canvas?Turf.js ? ECharts ???????????? GIS ???????????????????????????OpenLayers ????????????

??

OpenLayers ? GIS ???????????? Canvas?Turf.js ? ECharts ?????????? GIS ?????????????????????????OpenLayers ??? WebGIS ????????

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