The lineage graph in Atlan provides a granular view of the data flows and transformations for your assets. To learn how to use the lineage graph, complete the following steps.
View the lineage graph
To view the lineage graph:
- From the left menu of any screen in Atlan, click Assets.
- (Optional) In the Filters menu on the left, expand the Properties menu and then click Has lineage to filter for assets with data lineage.
- Select an asset, and from the top right of the asset card, click the View lineage icon to open the lineage graph.
- On the lineage graph, the home icon indicates the base asset:
- Click the + button to the left of the base asset to view upstream assets.
- Click the + button to the right of the base asset to view downstream assets.
- (Optional) Hover over any asset to view the metadata popover for more context on the selected asset — including, database and schema names, owners, usage and popularity metrics, and Monte Carlo and Soda data quality details for supported assets.
- (Optional) Hover over the + button to the right of any asset and then click the Expand all button to view assets further upstream or downstream.
- (Optional) Click any circular process button to view more details about the lineage process in the sidebar.
- (Optional) Click Show more to view more upstream or downstream assets.
- (Optional) For any asset on the lineage graph, click the view columns menu to expand the columns view:
- The default view shows 10 columns. Click Show more columns to view the full list of columns.
- Use the search bar to search for specific columns.
- View a total count of columns that have lineage.
- Select a column, and then from the column sidebar, click the Lineage tab. From the Lineage tab:
- Click Download impact to view and download impacted assets directly from the sidebar.
- Click the eye icon to customize your view of column-level lineage in the sidebar:
- For Depth, select the level of depth up to Max Depth for column-level lineage.
- Turn on Show process nodes to view lineage processes in the sidebar.
- For Show hierarchy, keep the default view of child assets or toggle it off.
- For any asset on the lineage graph, from the sidebar, click the Columns tab. From the Columns tab:
- You can view a list of columns for the selected asset. Click Show columns with lineage to only view columns with lineage:
- For any column with lineage in the sidebar, click the play button to locate that asset on the lineage graph.
- You can view a list of columns for the selected asset. Click Show columns with lineage to only view columns with lineage:
- (Optional) To collapse the sidebar, to the left of the sidebar, click the rightward arrow.
- (Optional) From the top right of the lineage graph:
- Click the search icon to search for any specific assets on the lineage graph.
- Click the curved downward arrow to view impacted assets.
- Click the downward arrow to download the lineage report for the asset.
- Click the image icon to download an image of the lineage graph.
- Click the eye icon to customize the lineage graph:
- For Order columns and fields, order assets on the lineage graph alphabetically, in an ascending or descending order, or by last updated in Atlan.
- For Show/hide, show or hide the following context for your assets — schema name, database name, announcements, or popularity metrics.
- For Show arrows, show or hide the arrows that indicate data flows on the lineage graph.
- (Optional) From the bottom right of the lineage graph:
- Click the double rightward arrows to hide the controls.
- Click the speech bubble icon to share any feedback or suggestions.
- Click the minimap icon to view an abridged version of the lineage graph.
- Click the information icon to view the map legend.
- Click the refocus icon to refocus your view of the lineage graph back to the base asset.
- Click the fullscreen icon to expand the lineage view to fullscreen mode.
- Click the minus or plus icons to zoom out or zoom in on the lineage graph, respectively.
