How to reduce number of triangles in terrain model on openroads?

Hey, How to reduce number of triangles in existing terrain model? I can not import point cloud again. Is there an option to filter triangles after the slope to merge triangles with similar slope?
Terrain Model

Does anyone know if after creating a terrain model from a point cloud, can it be simplified to a specific elevation range and then can we create a point grid at a specified spacing interval to extract...
Complex terrain ignores edits in original terrains?

Either I'm making a silly mistake, my models have an issue or it seems like to me that edits made to the source terrains using the new ability to edit the model without turning off rules doesn't seem to...
Object Model - API reference for Microstation, openroads, openrail

Is there something for OpenRoads / OpenRail / Microstation similar to this for Inventor? The link below is directly pulled up from google search for "Inventor object model api" from Autodesk and shows...
Terrain missing breaklines

I am trying to create a terrain with my linework (all referenced in) and the edge of pavement on my roads will not triangulate although they show as part of the terrain if I try to add. I have tried removing...