GPL Track Creating - Creating a TRK

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Authored by the GPLEA


GPLTrk

GPLTrk is the program used to create TRK files. It has been designed to work with GTK files, so you cannot load TRK files, only export a TRK for use with trk23dow/GPL.

Your GTK/TRK consists of 4 sections:

Traces

These are lines going all the way round the track, parallel to the centre-line. The Altitude curves follow these lines.

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Sections

Your track will be constructed from sections - a combination of straight and curved pieces (the curved pieces are arcs of a circle).

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Walls

Walls is the term used to describe the way each Section is broken down. These walls are all the flat regions of the track: asphalt, grass, banking, concrete; as well as all the real walls: armco, hedge, rows of people, etc.

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Altitudes

Flat tracks are okay, but hilly tracks are more fun. Altitudes are cubic functions defining the height of each Trace, per Section.

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Updated 2-Jan-2001

Transferred to the wiki: 23.04.2009