Hello guys!

I hope this is the proper section to ask my noob questions. With some program i use on my phone i went with the car a drove a 'circle'... After calculating the coordinates, here is the result:


Well.. its something what i wanted to have.. but its still a 2D picture right? I want to have a 3D LOOK of the road.. so i can see where the road starts going up and down.. I am pretty new to openGL and i do NOT ask you for the code i am searching for. Althogh i would not refuse it. What i am searching for is in what direction should i search the solution. I dont know how to get the road to look like this: