on February 9, 2023

How to scrape/extract data from Esri ArcGIS from website

Geographic Information Systems

How do I scrape GIS data from my website?

Conceptually, this is how web scraping works:

  1. Import libraries.
  2. Connect to url page and parse it to either text or lxml (some environment setup may be required for this beforehand)
  3. Extract the data at a particular spot (i.e. id, class, tag/element, xpath)
  4. Save it and write it to csv file.

How do I download GIS data from ArcGIS online?

Procedure

  1. In ArcGIS Online, navigate to the Content page.
  2. Open the item details for the hosted feature service.
  3. Click Export Data, select the data format to export to. The file is saved as an item in My Content.
  4. To download the file, navigate to the item in the content page and follow the download instructions above.

 

How do I export from ArcGIS online to CSV?

Log in to ArcGIS Online, and click Content > My Content. , and select Edit Application. In ArcGIS Web AppBuilder, on the Widget tab, configure the Attribute Table widget. In the Configure Attribute Table window, check the Allow exporting to CSV check box, and click OK.
 

How do I collect data from ArcGIS?

Collect data

  1. Open the map.
  2. Collect damage location.
  3. Provide damage information.
  4. Add a photo.
  5. Save, share, and review the report.

Can I scrape data from a website?

Web scraping is an automated method used to extract large amounts of data from websites. The data on the websites are unstructured. Web scraping helps collect these unstructured data and store it in a structured form. There are different ways to scrape websites such as online Services, APIs or writing your own code.
 

Can you scrape data from any website legally?

Web scraping is completely legal if you scrape data publicly available on the internet. But some kinds of data are protected by international regulations, so be careful scraping personal data, intellectual property, or confidential data.
 

Can I export data from ArcGIS online?

Export data from the item page
To extract the entire dataset to a shapefile or CSV file, you can use the Extract Data tool or export the data following the instructions in Use layers.

Can you download data from ArcGIS online?

Download source data
Source data download is only available for elements that have an ArcGIS Online hosted feature layer with the export data setting enabled as their data source. If you do not own the layer, the layer owner or an administrator must enable the export data setting.

Can you export a map from ArcGIS online?



Quote from video:

How do you scrape graph data from a website?

How to scrape Open Graph protocol data using Python

  1. Load the packages. Open a Python script or Jupyter notebook and import the pandas , urllib and bs4 packages.
  2. Load the data. Next, load up a Pandas dataframe containing the URLs you want to scrape.
  3. Scrape the URL.
  4. Parse the Open Graph data.
  5. Fetch all the meta data on a site.

 

How do I scrape a website that doesn’t want to be scraped?

What are Anti-Scraping Tools and How to Deal With Them?



  1. Keep Rotating your IP Address.
  2. Use a Real User Agent.
  3. Keep Random Intervals Between Each Request.
  4. A Referer Always Helps.
  5. Avoid any Honeypot Traps.
  6. Prefer Using Headless Browsers.
  7. Keep Website Changes in Check.
  8. Employ a CAPTCHA Solving Service.

Can you web scrape Google Maps?

By scraping Google Maps, you can build your own database of emails, phone numbers, reviews, ratings, and businesses for a targeted place, industry, or country.