意思是“地图标志的解释”地图上的关键标志 symbols＝标志，符号，象征 n·map symbols是图列的意思，意思是图列的关键。重要的地图符号地图上的关键坐标。
If true , symbols from multiple sources can collide with each other during collision detection. If false , collision detection is run separately for the symbols in each source. options.customAttribution((string | Array<string>))(default null) String or strings to show in an AttributionControl ...
Territorial boundaries, such as national borders, state boundaries, and neighborhoods. Features on the Earth’s surface, such as mountain ranges, rivers, and ocean basins. You can control which features a person can interact with by configuring one of theMKMapConfigurationsubclasses that defines the...
groupKey * optional Key identifying the group to which the handles should be added. All the handles in the group can later be removed with Accessor.removeHandles(). If no key is provided the handles are added to a default group. addMany Inherited Method addMany(layers, index) Inherited...
require([ "dojo/keys", "esri/symbols/SimpleMarkerSymbol", ... ], function(keys, SimpleMarkerSymbol, ... ) { var symbol = new SimpleMarkerSymbol(); map.enableSnapping({ snapPointSymbol: symbol, tolerance:20, snapKey: keys.ALT }); ...}); Object Specifications: <layerInfo> <Layer>...
By default icon-ignore-placement and text-ignore-placement are set to false. If set to true, other symbols can be visible even if they collide with the text or icon. Use the toggles below to understand the impact of various properties on the visibility of points of interest. All properties...
WeakMap 是一种键值对的集合,其中的键必须是对象或非全局注册的符号,且值可以是任意的 JavaScript 类型,并且不会创建对它的键的强引用。换句话说,一个对象作为 WeakMap 的键存在,不会阻止该对象被垃圾回收。一旦一个对象作为键被回收,那么在 WeakMap 中相应的值便成为
-- 用于存储属性tags,key-value CREATEEXTENSION hstore; 4.2. 导入数据 从网站上下载的osm数据一般是文件格式(如xml、pbf等),为了使用我们需要将其导入到数据库中,这就需要导入工具,架构图使用了osmpsis,但是使用起来并不友好,推荐使用osm2pgsql。
The coat of arms encapsulates Spain’s complex history, with symbols representing the historical kingdoms of Castile, Leon, Aragon, and Navarre. As we move to the Iberian Peninsula, we find the Portuguese flag, a vertical bicolor of green and red, with the lesser portion green and the larger...
Collaborate with team Export & Share 4. How to Draw a Mind Map in EdrawMax? EdrawMax is a SimpleMind alternative, as it offers more elements, diagramming options, templates, symbols, and more. In this section, we will walk you through some of the basic steps you need to take to create...