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Adding & Mapping Fields

Overview

Datasets can be extended with new fields or have existing ones remapped to reflect changes in source data, such as altered column names.

📄 Note

Datasets must be republished after adding or mapping fields to see the changes.

Adding Fields

New fields can be added to a dataset. This is used when a new column has been introduced to the underlying database table and needs to be reflected and accessible within the dataset.

To add a field:

  1. Select the dataset in Mapworks UI
  2. Click Add Fields

Adding Fields

  1. Check the Available checkbox for the desired field

Adding Fields

  1. Click Save
  2. Click Save & Return
  3. Select the dataset and click Publish

Republish dataset

Mapping Fields

Existing fields can be remapped within a dataset. This allows a field's source to be changed to a constant value, to null, or to a specific database column. This capability is commonly used when a column has been renamed in the underlying database, enabling an existing field to be directed to its new source.

To map a field:

  1. Select the dataset in Mapworks UI
  2. Click Map Fields

Mapping Fields

  1. Choose one of the options for mapping:
    • Select a field from the drop-down list to take it's place
    • Enter a Constant Value to map to the field across all features
    • Click the Null checkbox to map a null value to the field across all features

Mapping Fields

  1. Click Save
  2. Click Save & Return
  3. Select the dataset and click Publish

Republish dataset