Transformation catalog

[mattigrthr]

User Stories

As a user, I want to select transformations from a catalog to apply them to my data sources. The different transformations should be organized by category to find what I'm looking for quickly.

Issue Group

• Transformation block from transformation catalog

Acceptance Criteria

• The user can add transformation blocks to the canvas from a catalog of curated transformations.
• Each transformation belongs to a category.
• Each transformation has a brief explanatory text.

Resources and technical details

The transformation categories and transformations are:

• Time
  • Group by date
  • Group by time
  • Group by time frame
• Text
  • Contains keyword
  • Filter by keyword
  • Filter by regex
• Numeric
  • Compare number
  • Scale number
• Geo
  • Group by H3 index
  • Group by admin boundary
• Merging
  • Merge by ID

Designs

The user can get to the transformation catalog by clicking on the plus button in the upper left hand corner of the canvas.

After opening the catalog, the user needs to pick a transformation category first.

After selecting a category, the user will see all available transformations that belong to it.

When clicking on a specific transformation, a detailed overview opens with a description, required column types, transformation parameters and an example.