Python mapping widget showing parcels queried with a SQL expression. Afeature layercan contain a large number offeatures. To access a subset of these features, you can execute an SQL or spatial query, either together or individually. The results can contain theattributes,geometry, or both for ...
Hosted Feature services, also called hosted feature layers, can contain one or more feature layers with spatial information, or one or more tables that do not have spatial information. They also contain many properties that inform client applications about their state, version, capabilities, extent,...
var lys = map.FindLayers(LayerName); 1. 【FindLayers(LayerName)】方法用于按图层名查找相应图层,注意这里的LayerName不支持模糊查找。 8、获取坐标系 var sr = map.SpatialReference; 1. Map的【SpatialReference】属性返回地图的坐标系。 9、移动图层 // 获取当前地图 var map = MapView.Active.Map; // ...
AttributeQueryForm attributeQueryForm = new AttributeQueryForm(this.axMapControl1); attributeQueryForm.Show(); } private DataTable LoadQueryResult(AxMapControl mapControl, IFeatureLayer featureLayer, IGeometry geometry) {IFeatureClass pFeatureClass = featureLayer.FeatureClass;//根据图层属性字段初始化Data...
_query(url, params, raw=as_raw) File "/home/andrew/miniconda3/envs/arcgis/lib/python3.7/site-packages/arcgis/features/layer.py", line 2996, in _query if queryException.args[0].lower().find("invalid token") > -1: AttributeError: 'dict' object has no attribute 'lower' This may be ...
运用Python 和 ArcPy 自动设置 mxd 模板定义查询语句、图框居中、图层样式更新、比例尺的校正、另存 mxd 和各种制图要素的摆放赋值等操作完成自动制图。 lyr.definitionQuery用于设置查询语句; dataframe.extent用于设置图像居中; dataframe.scale用于设置比例尺; ...
A feature layer can support zero to many definition queries, but only one definition query can be active. It is also possible that one or many definition queries are present but none are active. There are a couple of ways to manage definition queries. First, you can use the definitionQuery...
If theInput Featuresparameter value is a layer, the input's symbology, selection, and definition query will be transferred to the output layer Parameters DialogPython LabelExplanationData Type Input Features The input feature class or layer from which the new layer will be made. Complex feature cl...
Solved: Hi guys, Anyone has any idea about how to do a spatial query in ArcGIS API for python. Let's say I have a feature layer (point) and a web map with an
以下独立脚本演示了如何使用 MakeFeatureLayer 创建可供 SelectLayerByLocation 和SelectLayerByAttribute 工具使用的图层。# Name: ExtractFeaturesByLocationAndAttribute.py # Description: Extracts features to a new feature class based on a location and an attribute query.#...