hu de yi

About config head Dynamically add script problems

5

### Describe the bug ```js //cofing.js export default { head: [ ['script', { src: 'https://unpkg.com/[email protected]/lodash.js' }], ], } ``` Lodash namespace will not be found in the page ### Reproduction...

为吸附效果插件进行必要的代码适配 https://github.com/deyihu/maptalks-adsorption 因为编辑和绘制，逻辑全部在内部，插件代码不好注入进来，解决方法有: - 核心库直接集成这个功能 - 核心库做下必要的适配，为插件服务 目前采用的是第二种方式,核心的思路：有吸附插件动态计算鼠标位置的经纬度（满足吸附条件，即使鼠标位置变了，但是其实际的坐标任然不变），而不再是有鼠标的实时位置决定

fix #1780 - 原来 GeometryCollection里面如果包含Circle, toJSON会把Circle格式化成Polygon， 反序列化后，那么图形就不是Circle,是Polygon - 该PR可以让GeometryCollection 里的Circle等支持反序列化回来 - 因为GeoJSON有这个严格定义，所有toGeoJSON仍然保持着原来的逻辑（Circle会被序列化成Polyong）

fix #1778

**maptalks's version and what browser you use?** ---- **Issue description** ---- https://github.com/maptalks/maptalks.js/blob/613beef7478bea5022a1aeeeb67000b7b9bd802d/src/geometry/ext/Geometry.Events.js?_pjax=%23js-repo-pjax-container#L40 **Please provide a reproduction URL (on any jsfiddle like site)** ----

VectorLayer share canvas

4

**maptalks's version and what browser you use?** ---- **Issue description** ---- Multiple vectorlayers share a canvas, which can greatly reduce memory consumption and improve rendering performance ```js function randomLngLats() {...

fix #1538

**maptalks's version and what browser you use?** ---- **Issue description** ---- https://codepen.io/deyihu/pen/VwMMQey?editors=0010 **Please provide a reproduction URL (on any jsfiddle like site)** ----

**maptalks's version and what browser you use?** ---- **Issue description** ---- **Please provide a reproduction URL (on any jsfiddle like site)** ----

**maptalks's version and what browser you use?** ---- **Issue description** ---- **Please provide a reproduction URL (on any jsfiddle like site)** ----