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These parameters are used when creating or updating terrain and DTMs (see Terrain creation):

•Max. triangle edge length: maximum filtering distance of triangles (see details on overlap distance): 0 for an infinite distance, -1 for a distance automatically calculated by MithraREM.

•Triangle filtering based on edge length: activates/disables the filtering of very large triangles when simulating the DTM. This parameter is based on the overlap distance.

•Contour line interval (m): default interval used for the interpolation of contour lines in the Create Terrain interface when creating terrain from points.

•DTM update after building integration: function that automatically updates the DTM after building integration.

•DTM Grid cell size (m): Cell size of grids representing terrain in the 'DTM' overlay, generated when the DTM is created or updated.

•Gradation of colour of DTM grids: colour of grids representing the terrain in the 'DTM' overlay. The available values are:

•DTM update before simulation launch: update of DTM (triangulation and DTM grids) before launching a simulation.

oAdvantage: the terrain is always synchronised between the model and the simulation.

oInconvenience: can be time consuming if you perform several simulation and no modifications on the model.

•Draped line on DTM: create vertices on each intersection (with DTM triangles) when a line is draped and default option in integrations.