1. addVectorLayer接口调用1). QgisInterface提供接口addVectorLayer用以添加矢量图层,该接口由QgisAppInterface实现QgisInterface::addVectorLayer()↓ 实现 QgisAppInterface::addVectorLayer() 2).QgisAppInterface::addVectorLayer()内调用QgisApp::addVectorLayer()Qgis...
制作一个choropleth地图,显示美国大陆的地震风险 选择Layer>Add Layer>Add Vector Layer...或单击此图标: 在对话框中,单击下面带有三个点的按钮,Source然后导航到文件seismic。选择带有.shp扩展名的文件很重要。然后单击Add,Close将出现以下地图,并用随机颜色填充: 在Layers左侧面板应该显示seismic层。您可以通过取消选...
Add the vector tile layer To display the data, you use aVectorTilelayer. This tells OpenLayers how to render the data from the source on the map. Finally, you add the layer to the map usingmap.addLayer. Create aVectorTilelayer, referencing theparcelsSourcesource. ...
Vector tile basemaps can be created in ArcGIS Pro and published as offline packages or online services. You can create a custom style tailored to your needs and easily apply them to your map. The layer's colors, patterns, icons, and labels could be modified, for example. ...
vectorLayer.getSource().addFeature(feature); //向矢量图层添加要素 ``` 在这个示例中,我们首先创建了一个点要素point,然后用这个点要素创建了一个feature对象。接着创建了一个矢量图层vectorLayer,并将要素添加到这个图层的数据源中。最终,这个点要素就会显示在地图上。 需要注意的是,addFeatures方法是addFeature方...
import { Tile as TileLayer, Vector as VectorLayer } from 'ol/layer'; let pointPos = [121, 29] //经纬度坐标 let map = new Map({ target: 'map', layers: new TileLayer({ source: new sources.BingMaps({ key: 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx', //自己获取的token ...
ClickAddto create a layer in the map or scene referencing the data. Custom request parameters When you addArcGIS Serverservices, vector tile services, or WMS services, you can add custom request parameters. These are key-value pairs that can be appended to the URL for all resources and opera...
Insert the additional source inStyle A. Make sure you rename this to match the layer source property, e.g.“nyc”. Locate the appropriate “url” forStyle Btiles, and update the source object accordingly. Insert the layers fromStyle Binto the desired positions inStyle A. ...
示例1: __createMemoryLayer ▲点赞 6▼ # 需要导入模块: from qgis.core import QgsVectorLayer [as 别名]# 或者: from qgis.core.QgsVectorLayer importaddFeature[as 别名]def__createMemoryLayer(self, layer_name, gtype, geometries, attributes, fNames, fTypes):""" ...
To learn more about layer masks, watch this video. Viewing time: 5 minutesWatch this video to see how a small moon on the far right of the image is concealed using a layer mask. You can reveal the moon anytime you want. related resources...