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?
End Area Volume Annotation Cell is missing from drawing model OpenRoads/Rail/Site Designer

Product(s): OpenRoads Designer Version(s): 10.07.00.56+ Area: Drawing Production Problem: When I run drawing model annotation command in a XS drawing model, the EAV cell does...
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...