Landscape Spline in World Partition

Development World Creation
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I cannot find any information about usage of Splines in World Partition.

When I make splines and build them in WP editor they cannot be deleted and i receive both the generated WP splines and old splines.

How should I work with landscape splines in World Partiton workflow?

1 Like
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I still did not find any solution.

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How to Fix and Properly Use Splines in World Partition:

  1. Enable Editor to Show Cells:
  • In the editor viewport, turn on World Partition cell visualization to see which cells are loaded.
  • Make sure the cells containing splines you want to delete are actually loaded.
  1. Load All Relevant Cells:
  • Use the World Partition Editor (Window > World Partition) to manually load all cells with splines.
  • If a cell is not loaded, you cannot delete or edit splines inside it properly.
  1. Delete Splines While Cells Are Loaded:
  • Once the cells are loaded, select and delete splines.
  • After deletion, save the cells (right-click cell > Save) to apply changes.
  1. Rebuild Splines After Changes:
  • After deleting or modifying splines, rebuild your landscape splines to update the data.
  1. Avoid Editing Splines Across Multiple Cells at Once:
  • Try to keep spline edits within one or few loaded cells to avoid duplication or conflicts.
  1. Clear Cached Data if Needed:
  • Sometimes, restart the editor after deleting splines to clear cached references.
  1. Check for Known Issues or Updates:
  • World Partition and spline tools are evolving, so check Unreal Engine’s latest documentation and updates for fixes or improvements.