Arcpy create group layer. You can also use group layers to organize related layers.

Arcpy create group layer. The symbology property of a script tool parameter allows you to associate a single layer file (. I've worked out code below (to run in ArcGIS Pro Workbook) to list the layers in a Web Map. I have included a code snippet below. 2 is there a way to export a list of map layers and their layer groups? Or is Python the only way? Would like to export in order to review with others to make changes to a web map. They act as inputs to and outputs from feature analysis tools. I I've had luck with listing all the layers within a dataframe and checking with a loop as opposed to specifying dirctly in the ListLayers method. I've tried Summary Returns a list of fields in a feature class, shapefile, or table in a specified dataset. Each subtype layer or table corresponds to one subtype in the source dataset or service. listMaps("Group Layers")[0]; # Create list of layer names for copy layers based off floor lyr_list = m. The symbology can only be applied to features of the same geometry. Create a Geodatabase Notebooks are used to create, document, save, share, and test run Python code. The returned list can be limited with search criteria for name and field type and will contain Field objects. May 16, 2024 · I'm pretty new in ArcGIS and Arcpy, but experienced in Python. It seems like I should be able to identify this group layer by using a Wild ArcGIS geoprocessing tool that creates a query layer from a DBMS table based on an input SQL select statement. ListLayers(mxd, "", df): if lyr. ArcGISProject("Current") m = aprx. import arcpy # Create an in memory feature layer from a feature class. Oct 22, 2024 · Aim: I would like to iterate all group layers and layers in a given map within an ArcGIS Pro project and copy them to another map. Can the code be modified to list the Gro Jun 20, 2024 · Prioritizing the layers helps in data management and organization, ensuring pertinent layers are used, updated, or shared. Procedure There are three options to create a When using group layers as parameters in geoprocessing tools or ArcPy functions, the name of the group layer precedes the name of its sublayer as follows: Group layer name \ Sublayer name. Jeff Jul 26, 2023 · Hello everyone, I am trying to create a multi-level layer hierarchy of group layers with ArcPy. The Sep 18, 2024 · Add a multi-layer view to a webmap using add_layer adds layers individually in reverse, not as a group layer Nov 16, 2019 · Assume you want to just use features that are highlighted/selected on the map and/or in the table, then you specify you 'input' to the tool as a 'featurelayer'. ListLayers(mxd)[0]) and move layer (x) are the same (Wheat) at first running of MoveLayer method. If you need to, you can even create nested group layers (groups of Mar 20, 2015 · arcpy. Does anyone now how to add a group layer with Python in ArcGIS Desktop 10? I can use arcpy. For example, a layer that references a feature class will have access to the Feature Class property group, while a layer that references a raster dataset will have access to the Raster Dataset property group. The arcgis. Layer Usage In addition to map layers, this tool also accepts layers created by tools such as Make Feature Layer or Make XY Event Layer. content. For each export, I would have already snapped a particular region of the map I ArcGIS geoprocessing tool that creates a LAS dataset layer that can apply filters to LAS points and control the enforcement of surface constraint features. Each subtype in the feature service layer can be a separate layer in the subtype group layer, and be given its own display and editing properties. name == 'kd_plans': kdp_lyr = lyr break num_plans = 50 for i in range(0, num_plans): if kdp_lyr. I've seen some examples of how to do this, such as : Creating empty group layer within existing group layer using arcpy. There are no plans for future releases of ArcMap, and it is recommended that you migrate to ArcGIS Pro. Apr 24, 2016 · I would like to create new shapefile layer or memory layer with one point with certain coordinates in ArcGIS 10. Arcpy. It can add a layer with auto-arrange logic that places the new layer in a data frame similarly to how the Add Data button works in ArcMap; it places the layer based on layer weight rules Dec 20, 2022 · I ultimately want one layer group per site in my TOC. I need to save the output group layer to it's own lyrx file. Sep 2, 2024 · The API is excellent for programmatically creating, maintaining, and updating webmaps and feature layers in ArcGIS Online. lyrx). One way of determining if a layer is inside a group layer is to interrogate the longName property. Jan 26, 2021 · In a previous article you learned how to create a map series using ArcGIS Pro. Feb 7, 2024 · The frustrating thing here though is that you're not technically moving the layer, you're creating a copy of the layer. For example, a raster layer and feature layer can exist side by side in a group layer. Group layers help organize related kinds of layers in a map and can be used to define advanced drawing options. Content Manager class to add each feature layer to the map. Discussion AddLayer is an easy way to add a layer or group layer into a map document. Apr 6, 2020 · Hi, I'm looking for a way of copy paste points from one layer to another, just by using python commands in Arcgis pro. The tool input for that parameter won't allow you to navigate to disk to select it by name, so you will have to select the 'layer' from the list of layers displayed in the table of contents. # print "Name The ArcGIS Pro Python reference contains detailed information about every ArcPy module, function, and class provided with ArcGIS Pro; working with Python; and working with, and creating your own, geoprocessing tools in Python. Aug 21, 2015 · 2 I'm trying to create an mxd that can dynamically create and name group layers, and populate them with various feature layers. Oct 14, 2011 · You would need to author the group structure ahead of time. In this post we will focus on extracting a Group Layer from a WebMap and saving it as a Group Layer item. You can also set the symbology property in the script's code with the Parameter object's symbology property as shown below. Aug 19, 2021 · In the ModelBuilder of ArcGIS Pro 2. Mar 10, 2022 · I am able to do the query in Pro if I manually the hosted feature layer to a map, and then just use the layer name as the input for arcpy. This article describes the workflow to list the selected layers from an ArcGIS Pro map using ArcPy. On the Data tab, in the Definition Query group, click the Build Definition Query button to open the Layer Properties dialog box with its Definition Query tab open. 1, using Iterate Layers, I want to iterate over features that are in a group layer. GetParameterAsText(0)), copied the joined features to the new database and named it Arizona_PCT, then removed the join and continued on to the next table. # desc = arcpy. workspa Apr 3, 2019 · So with this example above, it joined the Arizona table (az_pcts) to the census tracts layer (layer = arcpy. This is the piece of code I've written: import arcpy arcpy. As far as I understand all the layers in ArcMap are referenced as You can automate sharing, overwriting, and replacing web layers with Python by using a combination of ArcPy functions in the Sharing module and geoprocessing tools in the Publishing, Caching, Tile Cache, and Package toolsets. or add another group layer with x feature layers We really need operations for the Python API to compose a webmap and its layers from existing layer items. It is aimed to help users who are new to Python scripting and arcpy. The Subtypes tab allows I am trying to create a script (hard-coded for now, but eventually soft-coded to make a script tool) that allows the user to back up layers of a given map in ArcGIS Pro by creating local feature classes in a new file geodatabase named with today's date. The script first gets the layer's CIM definition. management. I Subtype group layers are composite feature layers that contain multiple sublayers called subtype layers. It was designed primarily to manipulate the contents of existing projects (. When working with ArcPy Layer class provides access to project layers and layer file properties and methods. Therefore, a reference to a layer file will be a reference to a list of layers. There are two ways to automate sharing web layers. The code below demonstrates the full working script to move the feature layers into the group layer. Mar 2, 2015 · With help from @Fezter the following code accomplishes most of what I want: import arcpy mxd = arcpy. I have been able to create this in Jupyter but the people that will be running the tool do not have access to the software. Nov 22, 2019 · I am trying to combine ListDataframes, ListLayers and ListFields in one ArcPy code. I've seen some examples of how to do this, such as : How to add a new Group Layer using arcpy The basics seem to be: reference an empty layer: groupLayer = arcpy. So that is Properties returned by describing a layer data element. Summary Provides the ability to add a layer to a data frame within a map document (. Consider the following example: At the top of the hierarchy, let's say I have a group layer named level_1_group_layer. ListLayers(mxd): if lyr. AddLayerToGroup to insert layers into your mxd. You could then use arcpy. I have two separate codes, one for finding out the names of group layers, and other to create feature datasets. May 23, 2023 · Both methods are in the snippet here. Nov 9, 2022 · 2 I would like to use ArcGIS API for Python to appending new feature layers to an existing hosted FL on AGOL. SelectLayerByAttribute. The module allows for access to the GIS services using Python and is an invaluable tool in the API. env. Jun 15, 2021 · I am trying to add group layers to a map with ArcPy. Ensure a layer is selected in the Contents pane. Run. Next, it alters a few of the symbol properties such as color (using the RGB color model), outlineColor (using the CMYK color model), and size. Both the layer and the group are in the current/same map in ArcGIS Pro. I'm trying to apply a definition query to multiple layers within a Layer Group by using the following script where I would simply change the values for my 'SUBCODE' field: import arcpy #Variables The code basically an iteration through your geodatabases, creating a new group layer for each, and then iterating and adding each feature class as a layer to the group layer. lyrx extension. May 12, 2024 · I am trying to move a layer to a group using python code. You could group these layers together and name the resulting layer Transportation Networks. so far I have Dec 6, 2023 · I am trying to create a Python script that creates several group layers with specific names on a pre-created aprx file (GIS Pro) and then iterates through the folders and adds each feature class to its corresponding group layer. However I'm having trouble figuring out how to create a "layer" object in Arcpy from a hosted feature layer. Newer . "Make Feature Layer" seems to work only for feature classes. You can control how the fields from the input layers are joined and copied. 4. How can I achieve this using ArcPy? With the result added to the active map. g. I have the following code (the layer to be moved to the group &quot Mar 31, 2020 · You get that error, because reference layer (arcpy. In maps with hundreds of layers representing different types of data, grouping layers makes data Oct 19, 2023 · I am running the "Convert Labels To Annotation" tool in ArcGIS Pro using the Python window. Because I need to do thi ArcPy function that lists feature classes. With respect to layer blending, subtype group layers follow the same rules as group layers. mp . Feature layers are created by publishing feature data to a GIS, and are exposed A group layer is an assortment of layers and tables organized as a group in the Contents pane in maps or scenes. mapping Python script will be deployed in the ARC Toolbox to create the Conversion Tool WORKING OF THE TOOL: This tool will iterate through each layer in the group layer and perform operation on each layer for every iterations The group layer can also be created within an existing group layer to create nested group layers. ArcGISProject('current') The Dataset property group is also supported, as well as the properties of the data type, the layer references. ListLayers(mxd, "Group Layer", df), it only returns the name of the group layer and not the layers within the group, so I am unable to iterate through them. lyrx) with an output parameter. The other placement choices are either at the top or the bottom of a data frame. However, this does not work for a Feature Layer: import arcpy import Oct 27, 2022 · In this tutorial, you’ll learn multiple ways to add data to a map using Python. May 15, 2013 · I would recomend that you set your input layer to be a Data Type of 'Feature Layer', that way users can drag layers into the tool from the ArcMap TOC. Sep 25, 2017 · Is there a way of copying one group of layers with data (001_Group) from one MXD (group1. I have the following code (the layer to The group layer can also be created within an existing group layer to create nested group layers. MXD) with arcpy. A map document with a single group layer with three layers within it will return a Python list of four layer objects, the group layer being the first. My code that I have so far is pasted below # add rasters to . In this tutorial, you will add a hosted feature layer to display trailheads in the Santa Monica mountains region of southern California. mp module. Feb 20, 2025 · HOW TO Place a layer from a geodatabase onto an ArcGIS Pro map using a Python script Summary Features are added to the map for visualization when performing any process in ArcGIS Pro. Let us create a new group for geocaching enthusiasts in our GIS. To add some variation, we will only export layers that sit at the root level of the map’s table of contents. symbology. Learn more about subtypes and their properties The Subtypes view shows all existing subtypes for a layer as well as domains and default values for each field in that layer. The data can be in a local directory, on a network drive, in ArcGIS Online, or on your organization's portal. For example, suppose you have two layers on a map representing railroads and highways. When I use the arcpy. 2 with Python Toolbox. aprx) and layer files (. Complete map books, for example, often include pages in addition to the standard reference map pages generated by Data Driven Pages. listLayers() # Groups to add too The feature layer is the primary concept for working with features in a GIS. mapping? May 2, 2025 · Create a group layer. It is installed with ArcGIS Pro and is available to all licenses. According to the tool documentation, it should be fairly simple: "when working in the Catalog pane, the Python window, or a stand-alone Python scri Aug 1, 2025 · This technical article provides a comprehensive guide on how to use the arcpy. name for field in arcpy. Subtype group layers If you add a feature class with subtypes to a map or ArcGIS geoprocessing tool that creates a feature layer from a feature class or layer file. Use the add method of the arcgis. ArcGISProject("CURRENT") ArcPy GroupElement class provides access to group element properties. A web scene is analogous to a web map but in the 3D space. To change the placement of the added layer within the group layer, refer to ArcGIS Pro: Methods for instructions and more information. name == "Tim": # Do some stuff. The gis module provides an information model for GIS hosted within ArcGIS Online or ArcGIS Enterprise, serving as an entry point to the GIS. In some cases it provides Many of the Map Series properties and methods use a page number value rather than the literal names of the pages used to create the index layer. valueField = "all_the_plans Jul 18, 2017 · This code I've created works for 1 (one) active layer and for 1 (one) field. Referencing this question, Adding new group layer with ArcPy?, I'm trying to use python to add a empty group within a group layer. MapDocument("CURRENT") df = arcpy. I am trying to use os. The script adds a dashed effect to the outline symbol layer for a polygon symbol. Solved! Go to Solution. I need to implement this code for many layers and fields in a open . There are various ways to add data to your map in ArcGIS Pro. “entities in space” as feature layers. Jun 22, 2016 · Hello. workspace = r'D:\Data\Rasters' An ArcGIS web map is an interactive display of geographic information through a composition of web layers, basemap and much more. 8. For example, point symbology cannot be applied to a polygon layer. ArcPy Layer class provides access to project layers and layer file properties and methods. The Dataset property group is also supported, as well as the properties of the data type, the layer references. When the layer properties are not set and the feature class contains certain attributes (fields), the field properties are used in creating the KML layers that were originally created using the KML To Layer tool including attributes that define how KML is created. Which function should I use? I wrote this code: import arcpy Usage The symbology layer must match the data type of the input layer. mxd) to another (group2. I can do it one by one (first list layers in one code, and then list fields in second code), but I am trying to Jan 7, 2025 · Start ArcGIS Pro without a template. When the script tool is run, the output is added to the display using the symbology from the layer file. The getPageNumberFromName method provides a mechanism to obtain a page number given a page name. Feb 3, 2017 · I would like to automate the importation of a directory as a hierarchy of group layers in the Table Of Content of ArcMap with Arcpy. Note: ArcMap is in Mature support and will be retired March 1, 2026. To do that, you could use the following snippet: from arcgis import Jan 24, 2022 · Solved: I have found some examples of how to iterate through the contents of a Feature Class. # arcpy. You can publish web layers by either using sharing drafts created with the Sharing module or using packages. I have 11 fields (years 2003 to 2015). I would like to create a Python Script, to export this layout individually for each layer to PNG. From the Insert tab, Project group, insert a new map and change its name to California Beaches. Now continue to read the help file on the addLayer () method on map, it says its input must be a Layer or LayerFile, neither of which are a Feature Class. Apr 6, 2023 · In ArcGIS Pro GUI, after selecting some rows/features I can right-click the layer name in the Contents -> Selection -> Make Layer from Selected Features. I am assuming my where clause is wrong?ptSelection = "points" parcel = 'TaxParcels' PF = "memory\\PointFeat" selected_featur ArcGIS geoprocessing tool to create a feature layer from an input feature class or layer. The steps are generic enough to work with any data and all license levels. Although it’s a short script, it shows how easy it is to use Python with ArcPy to jump into ArcMap layer properties. Change for loop in following way: ArcPy has a number of functions built specifically for creating lists of available data for the purpose of iterating through the data. This module, the most important in the ArcGIS API for Python, provides functionality to manage (create, read, update and delete) GIS users, groups and content. mapping module contains some PDF document management functions that are perfect for creating multiple-page documents. Nov 21, 2014 · TOOL USED: arcpy. MakeFeatureLayer_management( "C:/data/chesapeake. Using the Subtypes view, you can view and edit existing subtype properties, create subtypes, and delete subtypes. I have some trouble understanding ArcPy's Feb 11, 2019 · Let's say you have a Hosted Feature Layer named worldEQ which contains data on Earthquakes that have occurred throughout the world for the last 50 years: You wish to create a view named worldEQView from this Hosted Feature Layer. mxd project import arcpy arcpy. The layer created by the tool is temporary and will not persist after the session ends unless the layer is saved to disk or the map document is saved. I am trying to create map layouts automatically through a Python Tool, which is located in a toolbox. The child layers are still exported inside their parent LYR file. join([field. The following code almost achieves this, but if I then try and change the name of the copied layer (via ArcPy), the names of both the original layer in the TOC, and the copy of that layer (now in the new group layer) are changed. I am trying to use arcpy to list all of the layers in a group to apply symbology to all of them at once. mp workflows and introduces some important concepts along the way. Provides the ability to add a layer to a group layer within a map document (. ListFields(inputLayer)]) View solution in original post Reply 0 Creating subtypes are supported for datasets that contain one or more integer fields. ListDataFrames(mxd)[0] for lyr in arcpy. So far I'm able to add a empty group within the map document, how Mar 29, 2021 · I have a number of layers that I want to manipulate with ArcPy. Apr 12, 2024 · In Pro 3. Jul 25, 2022 · I am currently trying to edit a preset layout on ArcGIS Pro The layout currently consists of a Legend, a Title and a Map. Apr 28, 2016 · Is it possible to create feature dataset, based on the name from group layers. search (), implements the ArcGIS REST API search Aug 8, 2022 · You have used one argument in the addLayer () method which would indicate you are using the ArcGIS Pro flavour of ArcPy so I will assume this is the case. This group layer has two group layers as children, level_2_group_layer_a and level_2 Mar 5, 2025 · Note: This script uses auto arrange for layer placement. The following script demonstrates how to use Python CIM access to modify additional symbology settings not exposed in the arcpy. Same goes for the data frame. The output building layer can be used as input to the Create Building Scene Layer Package tool, which allows you to publish your buildings as a building scene layer package. mp API. Give each element a unique name so it can be referenced using ArcPy scripting. In addition to symbology, the tool will transfer time field, 3D elevation and offset, label class, and HTML A group layer contains other layers. Each layer group receives a layer per species. Replace the credentials below with that of your org which has appropriate privileges to ArcPy Layer class that provides access to map document layers and layer file properties and methods. As a review, a map series is […] Summary Copies all features from two layers into a new layer. Users create, import, export, analyze, edit, and visualize features, i. The hosted layer (FGDB) on AGOL consisting from 3 layers (two of them are with point geometry and one is layer geometry - pointsA, lines, pointsB). To get and overview, visit the product documentation for web maps and web scenes. When you add data to a map or scene, it is represented as a new layer. You can automate the contents of projects without even having to open the application. ArcGIS geoprocessing tool that adds an attribute index to an existing table, feature class, shapefile, coverage, or attributed relationship class. Use dark colors for code blocks Feb 2, 2024 · Hello. Each search resource manager, for example gis. A layer's longName will include the group layer name as part of the name. I have seen old answers saying this is not possible, and suggesting instead to create a layer file with the groups already created. lyrx files can store multiple layers and/or group layers at the root level. Layers within a group layer are called sublayers and can be of the same type or many types. On the Feature Layer tab set, click the Data tab. If you read the help file on the Clip tool its output is a Feature Class. In this example, each site will get 5 layers - one for each spp. mxd = arcpy. This works fine for Classic Web Map, but if I'm using a New Web Map, with the layers services all added to Groups, then what is listed is just the Group names. ArcPy LayerFile class provides access to the contents of a layer file. Use one of the following methods to create graphic elements: The createGraphicElement method on the ArcGISProject class allows you to create a graphic element by providing a Multipoint, Point, Polygon, or Polyline geometry. Oct 30, 2017 · I am trying to add a feature class to my ArcGIS Pro map (a specific group), but I don't seem to be able to find the way. Dec 16, 2017 · Adding newly created layer to Map in CURRENT project using ArcPy for ArcGIS Pro? and Adding feature class to map (within specific group) using ArcPy with ArcGIS Pro? However, instead of adding a feature class (or layer) to a map using the Python Window I am doing this from a Script within a Toolbox. See KML conversion for more information about creating KML from attributes. You can also use group layers to organize related layers. Update the layer item's metadata To update the metadata and set the thumbnail, use the update () method on the web layer's item obtained during publishing. Basically this can be done easily, but it gets tricky when copying Sep 21, 2023 · About search As mentioned in the gis module guide, the Python API uses Resource Manager classes to manage Web GIS users, groups, datastores, and content. When added to an opened map, these features are automatically converted into a layer file. Summary Returns a list of the feature classes in the current workspace, limited by name, feature type, and optional feature dataset. This way, each of them can be modified independently. Mar 31, 2019 · I know how to add a group layer and then add the specific layer (e. AddLayerToGroup is an easy way to add a layer into an already existing group layer. Oct 28, 2021 · Now I can get portal Feature Service items and it's FeatureLayer items and I want to: 1. In this post we will focus on updating a webmap by creating a group layer from existing layers. MapDocument("current") # Find the plan layer kdp_lyr = None for lyr in arcpy. Layers provided as a file have an . Describe("mainlines_layer") # Print some properties of the feature layer, and its featureclass. A layer references a dataset that is stored in a geodatabase or a service. For example, a feature layer cannot be applied to a raster layer and vice versa. This module also includes mapping layers like MapImageLayer, SceneLayer and VectorTileLayer. Creating new groups You can create new groups by calling the create() method of the GroupManager object. If you just want to list the fields in the input layer, it'd be something like this: print ",". AddLayer and arcpy. The easiest way is […] Oct 25, 2023 · I am trying to create a feature layer from the current selection. Click the New definition query button, or click its drop-down menu to create a query in designer mode (using clauses), editor mode Learn about the arcpy. (only a drop down to select a layer, with no Oct 30, 2017 · A tiny Python script to show how to export ArcMap Layers to LYR Files with Python. I have the following code at the mom Summary Creates a raster layer from an input raster dataset or layer file. May 12, 2024 · Solved: Hi, I am trying to move a layer to a group using python. Oct 11, 2023 · HOW TO Group data from multiple records from a field using ArcPy in ArcGIS Pro Summary In ArcGIS Pro, when there are multiple data records in a field, it may be necessary to analyze the data in groups especially if the dataset is large, as shown in the image below. add another Feature Layer to map_item ["operationalLayers"] [0] ["layers"] 2. See Migrate from ArcMap to ArcGIS Pro for more information. Use Save to Layer file to make a lyrx out of the featureclass and try loading that file instead of the featureclass reference the "Current" one works because the aprx is open Jul 18, 2019 · Hi, I am working in ArcGIS Pro 2. Jul 1, 2011 · Friday, July 1, 2011 ArcPy - Looking inside Group Layers A group layer contains other layers. Display the feature layers Create a map widget instance by calling the map method and pass in the location of Malibu, CA to set the maps initial extent. Feature layers can be added to and visualized using maps. You can also add layers to a map by adding an existing layer or layer package. For this example, I have a WebMap that contains a Group Layer called “Base Layers” as shown below. mp is a Python submodule that is part of the ArcPy site package. I have an ERROR 000358: Invalid expression on line 9. mapping. The layer that is created will not persist after the session ends unless the document is saved. Oct 21, 2024 · I have created a simple arcpy script to add four fields (name, shapeArea, shapeLen, quantile, in that order) to a layer and to compute the values of shapeArea and shapeLen. Could it be a limitation to addLayerToGroup? Any help would be much appreciated, thank you! aprx = arcpy. Both the layer and the group are in the current/same map. Next it gets the layer's first symbol layer which is the outline symbol. To address your reference to it being in a The arcpy. Jul 10, 2019 · Adding multiple feature classes (all within file geodatabase) to group layer using ArcPy with ArcGIS Pro Ask Question Asked 6 years, 2 months ago Modified 11 months ago The following script applies a symbol called Extent Transparent from a gallery in the project to a polygon layer. Use QueuedTask. I've read that creating empty group layers only works by importing a saved template. mxd) using simple placement options. I already saw and adapt these posts and scripts : Importing file Apr 24, 2019 · I have a process that adds a layer from a lyrx file to a group layer on the map. This tool can be used to make a temporary layer, so you can work with a specified subset of bands within a raster dataset. mxd file. Dec 7, 2022 · This script will loop through a list of layers in the active map, analyze their symbology and add a new field to each layer with the symbology's label value: layer_names = ["TestPolygons"] aprx = arcpy. To create a group layer in the Contents pane of a map or scene, complete the following steps: Right-click the name of the map or scene in the Contents pane and click New Group Layer . I need to add something into my script to check to see if it already exists so it You can rename, remove, and change the order of layers in a map. You access the UserManager, GroupManager and ContentManager classes as the users, groups, and content properties of the GIS, respectively. shp files in it, create a grouplayer in the mxd, rename the grouplayer the folder name, then add the layers from that fo Aug 11, 2010 · Writing a ArcPy script to create layer from selected features at end of geo-model Subscribe 13993 4 Nov 2, 2020 · Trying to get a graphics layer that was created from JSON (using the whole webmap to JSON workflow) from one map in APRX to another map using arcpy. I am able to create the Groups # 1) CREATE GROUPS p = arcpy. The symbology of the building layer will match that of the BIM file workspace. Specifically, we’ll add single shapefile feature classes and folders containing shapefile feature classes to the map using both arcpy and the os module. On my ArcGIS Pro map I have them under a group layer. layers module provides components for visualizing GIS data and analysis. import arcpy aprx = arcpy. e. Web maps and scenes are stored as items on your portal and their content is in JavaScript Object Notation (JSON), a text Aug 27, 2020 · The web layer item has minimal information and a default thumbnail. For more precise layer May 17, 2019 · I'm trying to add layers to an empty group layer through arcpy in ArcGIS Pro. To deal with them, I have been picking them by name as follows: for theLayer in Adding items to your application rather than creating them programmatically saves you from writing a lot of code, and can provide consistency across applications that use the same data. ArcGISProject("current") for name in layer_names: # get the layer Jul 7, 2024 · The API is excellent for programmatically creating, maintaining, and updating webmaps and feature layers in ArcGIS Online. The layers to be combined must contain the same feature types (points, lines, or polygons). In this article we’ll expand upon that article and show you how to use Python with the arcpy mapping module to automate the export of maps in a series to a PDF file. Subtype group tables contain multiple subtables called subtype tables. solution in this question Adding new group layer with ArcPy?) but have not found a solution how to add it if two layers have the same name. AddLayerToGroup(df, newlyrGr, feat_layer) The difference between both methods is that the first references a layer file and the second references a layer in the TOC. Aug 20, 2015 · Hello, I'm trying to create an mxd that can dynamically create and name group layers, and populate them with various feature layers. Requirements ArcPy function that adds a layer to a group layer within a map document (mxd). May 2, 2025 · To create a GroupLayer, you must call CreateGroupLayer () method of the LayerFactory class, instead of directly using a constructor. This tutorial walks you through some common arcpy. This method is similar to other create methods of ResourceManager objects and returns you an instance of the Group object it created. Adam Arcichowski wild guess is that that method requires a "layer" Layer—ArcPy | ArcGIS Desktop and not a featureclass in a gdb. This method must be called on the MCT. It can add a layer with auto-arrange logic that places the new layer in a data frame similarly to how the Add Data button works in ArcMap; it places the layer based on layer weight rules and geometry type. mp. At the moment, I am working on an existing Python-Code in VS Studio (not my Code). May 24, 2024 · Map Viewer now supports exporting and saving Group layers as layer items in ArcGIS Online to better organize and display content. If the input layer has a selection applied to it, the output layer file will maintain this selection. AddLayer but surely this is only for an actual layer as opposed to a group layer. walk to go through a directory tree, pull out all the . gdb/bayshed", "mainlines_layer") # Create a Describe object from the feature layer. So the original layer remains and you've made a copy that now lives in the group layer. After the group layer is created, it can be moved to another position in the map's table of contents by using the moveLayer method. From the Map tab, Layer group, change the basemap to Oceans and zoom in to California. The selection can be one feature or multiple features. . Subtype group layers can be created by referencing a layer from a feature service that contains subtypes. ListFields function to access and explore layer fields in ArcGIS, specifically focusing on group layers. layer. symbologyType == "UNIQUE_VALUES": kdp_lyr. > Aug 20, 2024 · Summary This article provides the steps to create a new layer, based on selected features in ArcMap and ArcGIS Pro. Mar 5, 2025 · Let's say I need to add a new statement to an existing Def query to all layers in a group which would like like something like this: aprx = arcpy . fthawsq jng lijx jbm iktqan wklumw svmq odgxf mjype tfch