Break Lines

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Break Lines

Break lines are three dimensional lines that constrain a triangulation, forcing element diagonals to align along them.

You define Break Lines for each Surface using the Nodes that define the Surface; the active Break Line list changes if the Active Surface changes.

Break Lines allow you to easily define breaks in the surface slope along lines where the slope changes such as:

Crest lines.

Toe lines.

Break Lines

Without Break Lines, Nodes may triangulate incorrectly.

No Break Lines

Notes:

Rift TD creates Break Lines when generating an embankment using the Embankment Wizard.

When merging Surfaces, Break Lines from the source Surface are copied to the destination Surface.