This tool will make it easier for us to create intersections between two roads. With this in mind, before executing the command the roads must be properly connected in the intersection area between both,
MDT has a series of tools which allow the user to adapt a gradient to the profile of another road in a very dynamic manner. He can consult the command Grade lines > Modify > Fit to Profile, inter alia.
For the execution of the intersection, this command will assume two different segments or roads, on the one hand the so-called Main Road and this road will be the one which will run completely in accordance with its definition and the Secondary Road which will be the road that meets the Main Road and where we will undertake the intersection.
MDT distinguishes between two types of intersection, Intersection and Link intersection which we will describe below.
Upon executing it, it will initially ask us for the Main Road segment and the Secondary Road segment and then the following window will appear.
Intersection height: In the event that the secondary road has a road surface, we indicate whether the elevation at which the intersection will be built is going to be the road surface elevation or that of the subgradient.
Intersection: At this type of intersection the meeting with the Main Road is carried out in the form of two fans and MDT will treat each fan as it was a separate link.
Link type intersection: In this case, the meeting with the Main Road is achieved automatically by prolonging the Secondary Road, adapting to the Main Road.
TcpMDT
