| Submitted by , posted on 03 April 2001 |

Image Description, by This is a screenshot of Track Gen from RacecarSims.com. We developed this program to build tracks for our racing simulation products. The building process begins with an overhead bitmap of the track for reference. Then, by adding turn apexes with a radii, Track Gen figures the connectivity of the circles(crossing or straight, and which side) and calculates the entry and exit point of tangency to the previous and next circle. Once this track centerline is defined, the tracks polygons are constructed using parameters such as width, altitude, bank, and material. Track side features are built with extrusion objects for things like curbs, fences, stands, signs, trees, etc. The program also has a component to calculate and export the driver line for computer driven cars. The screenshots on the bottom are from road-courses that contain only Track Gen created objects, with the exception of the car and sky dome.
Paul

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