OpenBridge Modeler – Help The RibbonCivil Ribbon Tab Terrain Model Terrain Model Create From File toolOpens the Import Terrain Model(s) dialog, which is used to o create a terrain model (TM) by importing from an external file type.Create Terrain Model From ASCII File toolUsed to import surface data in a variety of ASCII formats, and provides flexibility by letting you describe the format of files before you import them.Create Terrain Model By Graphic Filter toolCreates a terrain using previously defined graphical filters, which determine the candidate elements for triangulation.Create From Point Cloud toolOpens the Create Terrain From Point Cloud dialog, which is used to create a terrain model with one or more point clouds.Create From Elements toolUsed to create a terrain model from 3D graphical elements that is ruled.Create Complex Terrain Model Create Clipped Terrain Model toolUsed to create a new terrain model by clipping a previously created terrain model.Create Detla Terrain Model toolUsed to create a delta terrain model between a surface and plane or between two surfaces, which can then be used for Isopach contouring.Create Terrain By Text Interpolation toolUsed to create a terrain model from 2D “tagged” contours and interpolating 2D linear elements and textual spots.Add Features toolUsed to add 3D graphical elements (as terrain model features) into a previously created terrain model.Remove Features toolUsed to remove 3D elements from a terrain which were added by Add Features or Create from Elements.Edit Complex Terrain Model toolUsed to merge or append multiple complex terrain models into one.Change Feature Type tool Used to change the feature type of a selected element within a terrain model.Edit Terrain Model toolUsed to edit a terrain model that has no graphic elements with rules and includes manipulating vertices, swapping lines, and deleting trianglesAdd Terrain Model Boundary tool Used to extract implied or stored boundaries from terrains with the ability to edit / rule the boundary.Remove Terrain Model Boundary toolUsed to remove a boundary element from an unruled terrain model.