Picogen
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| picogen | |
|---|---|
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| [[Programmer|DeveloperTemplate:Pluralize from text]] | Sebastian Mach |
| Written in | C++ |
| Operating system | Linux, Windows |
| Platform | Cross-platform |
| Type | Scenery generator |
| License | GPL, Version 3, or newer |
| Website | picogen |
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Picogen is a rendering system for the creation and rendering of artificial terrain, based on ray tracing. It is free software.
Overview
While the primary purpose of picogen is to display realistic 3D terrain, both in terms of terrain formation and image plausibility, it also is a heightmap-creation tool,[1] in which heightmaps are programmed in a syntax reminiscent of Lisp.[2]
The shading system is partially programmable.[3]
Example features
- Whitted-Style ray tracer for quick previews
- Rudimentary path tracer for high quality results
- Partial implementation of Preetham's Sun-/Skylight Model [4]
- Procedural heightmaps, though before rendering they are tesselated
Frontends
Currently there is a frontend to picogen, called picogen-wx (based on wxWidgets). It is encapsulated from picogen and thus communicates with it on command-line level. Picogen-wx provides several panels to design the different aspects of a landscape, e.g. the Sun/Sky- or the Terrain-Texture-Panel. Each panel has its own preview window, though each preview window can be reached from any other panel.
Landscapes can be loaded and saved through an own, simple XML-based file format, and images of arbitrary size (including antialiasing) can be saved.
References
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- ^ Introduction to mkheightmap
- ^ Height Language Reference
- ^ Shaders in picogen
- ^ Page Module:Citation/CS1/styles.css has no content.Preetham, et al. (1999). "A Practical Analytical Model for Daylight". Archived from the original on 18 April 2009.
External links
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