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How does removelayer remove layers from a map?
Provides the ability to remove a layer within a data frame in a map document ( .mxd ). RemoveLayer will remove a single layer or group layer from a specific data frame. If there is more than one layer that meets the criteria, then only the first layer will be removed unless the script iterates through each layer in a returned list.
How to change arcpy.mapping to ArcGIS Pro?
The first and most obvious change is that arcpy.mp in ArcGIS Pro needs to reference a project file ( .aprx) rather than a map document ( .mxd ). Therefore, you need to replace arcpy.mapping.MapDocument (mxd_path) with arcpy.mp.ArcGISProject (aprx_path).
What are the layer management functions in ArcGIS Pro?
The stand-alone layer management functions are now methods on the Map and LayerFile objects. The methods include addLayer, addLayerToGroup, insertLayer, moveLayer, and removeLayer. Layer files authored with ArcGIS Desktop have an .lyr extension, and layer files created with ArcGIS Pro have an .lyrx extension.
Why do I need to update arcpy.mp API?
All arcpy.mp API changes directly update ArcGIS Pro. The methods and parameters for changing a layer’s or table’s data source has changed. The improved design allows for better management of database connections and other data sources that may be joined or related. For more information, see Updating and fixing data sources.
How to delete a feature layer in ArcGIS?
The Delete tool should accept the name of a feature layer to remove it from the TOC. Permanently deletes data from disk. All types of geographic data supported by ArcGIS, as well as toolboxes and workspaces (folders, geodatabases), can be deleted.
What are the criteria for removing a layer?
If there is more than one layer that meets the criteria, then only the first layer will be removed unless the script iterates through each layer in a returned list. A reference to a DataFrame object that contains the layer to be removed. A reference to a Layer object representing the layer to be removed.
How to permanently delete data from disk in ArcGIS?
Permanently deletes data from disk. All types of geographic data supported by ArcGIS, as well as toolboxes and workspaces (folders, geodatabases), can be deleted. If the specified item is a workspace, all contained items are also deleted. You can invoke arcpy.mapping.RemoveLayer to remove a layer from the TOC.
When does arcpy.delete _ management throw an error?
Running from Stand-Alone script (ie. NOT within Arcmap) If the group layer “ACAD” can be deleted that also removes “CADAnnotation” that would be great. the line arcpy.Delete_management (“CADAnnotation”) does not work throws an error.
How to create a new layer in ArcGIS?
If the input is a feature class or dataset path, this tool will automatically create and return a new layer with the result of the tool applied. If the input’s data source is a feature service, it is recommended that the underlying ArcGIS Server use standardized SQL queries.
What is the LONGNAME of a layer in ArcGIS?
A layer’s longName value will include the group name in addition to the layer name. For example, a layer named Layer1 in a group layer named Group1 will have a longName value of Group1\\Layer1. If the name value is equal to longName value, then the layer is not a group layer or the layer is not inside a group layer.