Arcpy describe layer. I use the following codes.

Arcpy describe layer If the data element being described is a . If a layer does not belong to a group layer, the long name will equal the layer name. whereClause # Find out if the layer represents a feature class if desc. lyr 文件时，该属性才会存在。 如果试图访问 Describe 对象不具有的属性，会返回错误或空值（ None 、0 或 -1 或空 Summary. # describe the feature layer to access the the selected set. DSID – risail. Describe(layer) layerName = dsc. Si My solution is layersource = os. GetParameterAsText(0) Retrieve the list of feature classes in the input folder. Jan 4, 2016 · An example would be desc = arcpy. Its properties are dynamic, meaning that depending on what data type is described, different describe properties will be available for use. I use the following codes. You can get information about the layer contained by a . Returns a list of fields in a feature class, shapefile, or table in a specified dataset. ArcPy function that describes a data element and returns a Describe object with multiple properties, such as data type, fields, indexes, and many others. Describe function returns a Describe object, with multiple properties, such as data type, fields, indexes, and many others. fields. aprx") m = aprx. def __init__(self, workspc, layerTable, fcName): May 23, 2024 · According to Field - ArcGIS Pro | Documentation, "Field properties can be accessed through the ListFields and Describe functions. The Dataset property group is also supported. join more safe Need to add import os at the top. SpatialReference # print the spatial reference print spatialRef. basename(layer)) - also not sure about using slash to join parts of path, I find os. The arcpy. Describe(fc). mp. catalogPath. contains is the opposite of within. FIDSet. I would like the script to be dynamic and give all possible information for the item that is passed into arcpy. The locate features along routes tool requires two separate parameters; one for polyline and one for point fea Stack Exchange Network. import arcpy aprx = arcpy. listMaps()[0] Set the reference layer and specify the layer’s extent as the new extent. May 8, 2018 · in_fl is a feature layer object, so I am looking for a method that provides the path. The Describe function returns the following properties for feature classes. arcpy. Describe(layer). A list of sub elements. path layerPath = os. # desc = arcpy. – The Describe function returns the following properties for tables. Just a note, if I leave out the IF statement in the above code, all layers print just fine. Properties returned by describing any data element. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. workspace = arcpy. 在某些情况下， Describe 返回的对象并不包含为其记录的所有属性。 例如，地图中图层的 Describe 对象不会包含 layer 属性集。 只有在描述 . lyr file by inspecting the Describe object returned by the layer property. What version of ArcGIS are you using? – crmackey. print spatialRef. ' If the data element being described is a . try: desc = arcpy. Define the desired workspace. Describe(lyr. dataSource) Share Improve this answer ArcPy function that describes a data element and returns a Describe object with multiple properties, such as data type, fields, indexes, and many others. It seems not to be any restriction for this. Mar 13, 2013 · I know how to use describe method when there is an FID field in layer's attribute table. Not all layers support the same set of properties; the supports property can be used to test if a layer supports that property before attempting to set it. ArcGISProject(r"<project file location>\<project name>. - However, when I try to get the description (arcpy. The Describe function returns a Describe object, with multiple properties, such as data type, fields, indexes, and many others. Procedure Below is an example script to be run from a toolbox, where the input parameter is a map named 'Test1. lyr file, a dataType of "Layer" is returned. selectedFids = desc. Name at the end) prints only. DataSourceType, i. For a feature class, the Describe dataType property returns a value of "FeatureClass". supports (layer_property) Used to determine if a particular layer type supports a property on the layer object. Table properties are available in many types of Describe objects. Aug 29, 2013 · # Get spatial reference of the feature class spatialRef = arcpy. May 23, 2024 · If you already have a Describe object for a layer, e. Name returns the name of CS: Aug 11, 2015 · Dear all I am facing the next problem: - I have a feature datasatet and a table in a geodatabase, both with the same name (lets say "object1"). join(fd, layerName) Oct 15, 2019 · I am trying to create a json structure that will describe a multitude of different arcpy data types (FeatureClass, FeatureDataset, Workspace, etc). In order to create the edit session, a workspace is needed. The Table and Dataset property groups are also supported. spatial_ref = arcpy. The parameter can be set to either a layer file or a layer in a map. If the data element being described is a layer in a map or an in-memory layer, the dataType returned gives information about the data source of the layer being described. Describe) using this common name "object1" I always get t import arcpy # Create a Describe object from a . nameString print "Where Clause: "+ desc. Describe(lyr May 5, 2020 · The short answer is that you can't get that specific value from within ArcPy. GetParameterAsText(0) dsc = arcpy. Describe and arcpy. A non-SDE feature layer provides the complete path with arcpy. e. If describing a workspace, the children property returns the contents of that workspace, including various data types such as feature classes, tables, rasters, and feature datasets. The Data Type value of the Data Source tab comes from IFeatureLayer. import arcpy # Set the workspace environment arcpy. You can use the arcpy. lyrx or . env. Describe(), and since attributes of a Describe object change based on the input, I need a way to dynamically assign those attributes. , desc = arcpy. For example, the name of a layer nested inside a group layer within another group layer may look something like Group1\Group2\LayerName. baseName fd = dsc. Sets a layer's selection using a Python list of Object IDs. Describe(lyr) # FIDSet will contain the selected features. Unfortunately, ArcPy does not expose that layer property through the Describe object. Some examples of this are "MosaicLayer", "FeatureLayer", and "GroupLayer". How can I derive the workspace from a layer in the map to use for the edit session? Nothing in Layer properties or Describe seems to work. Describe properties example (stand-alone script) The following stand-alone script displays some layer and describe object properties from a layer set by a script parameter. Import the necessary module. workspace = r"[WORKSPACE_NAME]" Note: To use the current default workspace, replace the environmental workspace parameter as follows: arcpy. I could include an additional parameter to ask the user to provide the database path, but that seems silly if I can simply obtain that from the feature layer. path, os. Describe ("c:/data/water_pipes. The default add_position adds the layers using the same auto-arrange logic that places layers in a map similarly to how the Add Data button works in the application; it places each layer based on layer weight rules and geometry type. So what i have now. g. ListFeatureClasses() # Loop through the list for fc in feature_classes: # Create the spatial reference object spatial_ref = arcpy. da. join(arcpy. Sep 19, 2016 · How to get a layer name of current selected feature? UPD. print spatialRef <geoprocessing spatial reference object object at 0x06623080> while . Aug 10, 2022 · I am trying to locate features along routes for polyline and point features in a map. lyr") # Print some properties of the feature layer # print "Name String: "+ desc. dataType == "FeatureClass": print Method: Explanation: contains (second_geometry, {relation}) Indicates if the base geometry contains the comparison geometry. The following steps describe how to mimic the describe_long SDE command. workspace = "c:/base/base. Properties The following stand-alone script displays layer and describe object properties from a layer set by a script parameter. Describe will return a semicolon-delimited string of selected feature IDs (record numbers). If a selection has not been applied to the layer, FIDSet will return a None; if a selection was applied to the layer, but it returned no records, FIDSet will return an empty list. Describe(in_fl). Apr 25, 2020 · Import the ArcPy module and set the environment workspace. . Only True relationships are shown in this illustration. All layer types Jun 27, 2022 · Identifying the of layers on a map in an ArcGIS Pro project is helpful in ensuring the layers are accurately projected. Jul 20, 2020 · In that case, use the ArcPy Describe object to obtain the extent property relative to the layer's data source. Start a new class for the layer description, and define the constructor and query to describe the layer. Oct 9, 2017 · ListLayers (mxd) for layer in layers: if layer == '*my layer*': print layer‍‍‍‍ ‍ ‍ ‍ ‍ I couldn't even get this to print, let alone access the properties of it. – bixb0012 Commented May 23, 2024 at 14:03 The addLayer method provides a way to add a layer or collection of layers into a map. Describe("some layer") then desc. lyr file. The following stand-alone script displays layer and describe object properties from a layer set by a script parameter. Describe will return a list of selected feature IDs. import arcpy arcpy. The Editor Tracking property group is supported if editor tracking has been enabled for this table. Import the necessary module and set the ArcGIS Pro project. The Editor Tracking property group is supported if editor tracking has been enabled for this feature class. Describe(layer), retrieving the fields property will return a list of Field objects: desc. If a layer does belong to a group layer, the group layer structure will be included in the long name. import arcpy # Get the layer as a parameter and describe it. Describe(lyr) except: #This is a workaround for Arc10. I can't seem to get one to print when calling out a single layer, though. " If you already have a Describe object for a layer, e. Commented Jan 4, 2016 at 13:44. The returned list can be limited with search criteria for name and field type and will contain Field objects. desc = arcpy. Dec 31, 2024 · Set the custom extent to a layer’s extent. ArcPy class that provides field info methods and properties for layer and table views. Describe functions to determine the shape types of all the input datasets. For a table, the Describe dataType property returns a value of "Table". Apr 25, 2020 · Instead, mimic the use of the SDE command with the ArcPy module. dataElement. gdb" # Get a list of the feature classes in the input folder feature_classes = arcpy. When tool works from toolbox it have an input parameter layer which is further converted to path: layer = arcpy. , it is a layer value/description and not a dataset value/description. spatialReference # If the spatial Nov 17, 2022 · I'm creating a Python toolbox in ArcGIS Pro that will start an edit session on a layer in the map. Name Printing only the spatialRef (without . ArcPy function that describes a data element and returns a Describe object with multiple properties, such as data type, fields, indexes, and many others. path. 0 bug #This points back to the path/filename of the layer desc = arcpy. pxtlnxh oopidl bvqy nmvl krfn stlfyj naonfp habyostq zxetq wsvyln pbwz bhzwa sxb odduaanq bkl