on February 10, 2023

Update field properties of a layer definition with ArcGis Python API

Geographic Information Systems

How do I update ArcGIS API in Python?

Upgrade package



Select the Python menu option. Use the Project Environment dropdown to chooose the appropriate environment. Select the Update Packages option. Choose the appropriate arcgis release from the list of packages with recent updates.

How do you update a feature layer in ArcGIS online?

Procedure

  1. On the top ribbon of ArcGIS Pro, click the View tab > Catalog Pane. The Catalog pane opens.
  2. In the Catalog pane, click the Portal tab, and click My Content. .
  3. Search or select the hosted feature layer to update, right-click the feature layer, and click Add To Current Map.

 

How do I add a field to a layer in ArcGIS online?

Add a field

  1. From the layer’s item page, click the Data tab to show the table.
  2. If your hosted feature layer contains more than one sublayer, choose the sublayer you want to alter from the Layer drop-down menu.
  3. Click the Options button .
  4. Click Add Field and set the following:

How do I delete a feature in ArcGIS API for Python?

Deleting features



We can remove it by calling the edit_features() method and passing the object id of the feature we want to be remove to the deletes parameter.
 

How do you update data in API?

The API works the same way as the initial call for saving the object. To update a property value, simply modify it in the instance representing the saved object. The example below retrieves a saved object, modifies the “name” property, and saves it back in the data store.
 

How do you update live data in Python?

Download a file

  1. In the Python prompt, run the following line: import os, tempfile. The os and tempfile modules are imported.
  2. Run the following line: from urllib import request.
  3. Run the following line: print(filename)
  4. Run the following lines: import json json_file = open(filename) data_raw = json.load(json_file)


How do you edit the attributes for an already existing feature ArcGIS?

Tip:

  1. On the ribbon, click the Edit tab. In the Selection group, click Attributes .
  2. In the Attributes pane, click the Selection tab and select the feature. Click the Select tool.
  3. Click the Attributes tab.
  4. Uncheck Auto Apply.
  5. Click a field and choose a value on the drop-down list.
  6. Click Apply to apply your changes.


How do I refresh a layer in ArcMap?

Refresh content in the Catalog pane



  1. Right-click the item and click Refresh. on the context menu.
  2. Click Menu. at the top of the pane and click Refresh .
  3. Press the F5 key.


How do you overwrite a feature service in ArcMap?

Open the ArcMap document you want to overwrite the service with and choose File > Share As > Service from the main menu. Browse to a successful result of the model or tool you want to overwrite the service with in the Results window, right-click it, and choose Share As > Geoprocessing Service.

What is new ArcGIS API for Python?

The ArcGIS API for Python is releasing version 2.0 in February 2022. The release will focus on performance and security improvements, framework and UX upgrades, new modules, and removal of deprecated functionality.

How do I automatically update data visualizations in Python?

How to Create Auto-Updating Data Visualizations in Python with IEX Cloud, Matplotlib, and AWS

  1. Step 1: Gather Your Data.
  2. Step 2: Create the Chart You’d Like to Update.
  3. Step 3: Create an Amazon Web Services Account.
  4. Step 4: Create an AWS S3 Bucket to Store Your Visualizations.