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Instructions

kat edited this page Apr 11, 2017 · 1 revision

Setting up your Cadasta Account in QGIS:

  1. Click "Options"
  2. Fill out the form... Cadasta Instance URL: https://demo.cadasta.org/ (OR https://platform.cadasta.org/)

Cadasta Username: {Cadasta username}

Cadasta Password: {Cadasta password}

  1. Click "Test Connection"

  2. Await for "Success". And then click "Save" (Ignore Auth token is empty)

Note: If you want to switch databases, you have to hit "clear".

Pull in a Project

Note: This is for pulling in existing projects that you have already collected data for.

  1. Choose the "Download Project" option.
  2. Click "Get Available Projects...".
  3. Wait for the projects to get pulled down and then choose the project you want to analyze.
  4. Once selected, click "Next" and wait for the data to download (you can tell because the loading bar reaches 100%)
  5. Close out.
  6. You will now see files added to your QGIS dashboard. Depending on what was collected in your project, you should see three files: (1) a polygon, polyline or point file that has all of the location attributes, (2) party csv file, and (3) relationship csv file.

Create a Project

  1. Unless you are willing to create a project with only the default fields (Party Name, Party Type, Location Type, Tenure Type), it is recommended that you set up a project on the Cadasta platform. Upload a custom questionaire.
  2. Upload a layer that has attributes that match all of the required fields. (May be best to prep in excel and join with the Properties Join option. ---> Not sure what to recommend here <---

Selling Points

  • Creating a new project and uploading existing shapefiles (files must be merged together and have all of the required field values in the attribute table) (We should figure out tools/workflows that are good for adding in the custom fields that Cadasta requires-- as I am sure most partners will not have those already loaded up in their attribute tables)
  • Downloading existing MultiPolygon projects-- great support for large and complicated polygons 👍

Little Details We Should Mention in the Docs:

  • Project List includes Archived Projects. This is useful because if you are collecting parcel information every year, you can begin to compare year after year or be able to analyze different qualities of a parcel.

Recommended Plugins to Work With

  1. GPS Tools
  2. OpenLayers Plugin: for basemaps (OSM and Google Maps)

(https://plugins.qgis.org/plugins/most_downloaded/)[Most downloaded plugins]

Command line tools: ogr2ogr ==> bulk merging