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Mapcraft - Fantasy map designer

WorldGen - SciFi universe generator

Mapcraft Web - Web based fantasy map designer

All code for the project is released under the GPL, and is copyright Samuel Penn.

The text on this wiki is dual licensed CC-BY-SA and GPL.

You can contact the author at


Data Import

Data can be imported from UWP data files which are in the following format. This format seems to be common for Traveller map data that I've managed to find on the web.

 1-14: Name
15-18: HexNbr
20-28: UWP - Port, Size, Atmosphere, Hydro, Pop, Gov, Law (-) Tech
   31: Bases
33-47: Codes & Comments
   49: Zone
52-54: PBG - Population digit, number of other terrestrial worlds, number of gas giants
56-57: Allegiance
59-74: Stellar Data

0         1         2         3         4         5         6         7         8
eC Mirriam            0303 B9998A6-A B                 A 514 Im M6 V

Saregon       2936 A584976-E    Hi                 114 Im M3 V M6 D
              2937 B434779-A  A                    703 Im M1 III M9 V
Shakiiga      2938 B867ACA-B    Hi                 710 Im K4 V

It is normally expected that all star systems for a single sector will be stored in a single file. Such files may have further information about sub sector names etc, which will be detailed later.

More Than One World

Traveller data only details the main world of a system (actually, the extended data format above does include a count of the number of other planets, but no detail on them). For this reason we guess the rest of the information about the system, and basically just make it all up.

A system is considered to have a Main World, which is the most important world in the system. The Main World is the one with the largest starport, followed by largest population.

After generating a random star system, the world most likely to support life is replaced with one created from the UWP data. In theory, this could be a moon, but the software doesn't yet support this.

worldgen/data_import.txt · Last modified: 2015/02/04 22:39 (external edit)