POV-Ray^TR is a script-based freeware ray-tracing program. It can be used too create fascinating and realistic three-dimensional objects and scenes. Ray-tracing is a technique used to calculate an image by tracing the way of a virtual light beam until it hits an object. This is done for every single pixel in the image.
POV-Ray is no conventional 3d-modelling software, in the sense that you could edit meshes via a GUI-interface. Modelling with POV-Ray is mainly based on CSG (constructive solid geometry) and on mathematical functions. Basically, CSG means that you can create new objects by adding or removing one object from another, as for example, when cutting a round hole into a cube with a sphere.
There are tons of very helpful tutorials, scene files and macros on the net that can help you getting started with POV-Ray and create your own interesting images and animations.

Some examples of images raytraced with POV-Ray (some of these were a little post-processed, though):

Some useful POV-Ray Links:

• You can download the latest version of POV-Ray at Pov-Ray.org. In addition to other information on the program this site also hosts a news group on the topic as well as a very nice object collection.
• The Homepage of Andrea Lohmüller + Friedrich A. Lohmüller. Among other things there is a POV-Ray gallery and a very comprehensive tutorial site for pov-ray - very well organized with many easy to understand examples, as well as a great collection of ready made POV-Ray-Objects and macros. The tutorials are available in English, German and Italian and French.
• oyonale - 3D art and graphic experiments Gille Tran's Homepage. Stunning 3D-imagery, most of which is created with POV-Ray, as well as lots of other very useful POV-Ray resources (macros, objects, etc.)
• ignorancia.org - "The Persistence of Ignorance" Jaime Vives Piqueres' homepage: another gallery of great images created with POV-Ray and Megapov (an unofficial patch for POV-Ray). Apart from the gallery you can find tips, tricks and tools that are useful for generating images with POV-Ray, for example the "Studio Lighting Kit" which emulates lighting set-ups of a photographers studio.
• "Reach for the stars" - by Gille Tran and Jaimes Vives Piqueres was the first image raytraced in orbit. Read the story here.
• Christoph Hormann's homepage features a POV-Ray gallery and a lot more. You can find stunning landscapes created with POV-Ray, check out the landsacpe of the week. Besides there are some tutorials on POV-Ray and MegaPov as well as some tables illustrating various POV-Ray functions. The section "Views of the Earth" - contains very beautiful renderings of our home planet.
• Rune S. Johansens homepage: Nice POV-gallery as well as some useful POV "goodies" and include files (brushed metal, fur texture include, electricity etc.)
• PoseRay is the best program to convert models into POV-Scenes. Models can be subdivided before exporting. Poseray has also some other great features, like environmental illumination from HDRI lightprobes, simulation of cartoon rendering etc.
• The Internet Raytracing Competition: irtc.org.
• The German POV-Ray Forum: povray-forum.de
• The POV-Ray short code contest (Round 4) : Very cool images, each generated with less than 256 characters of code.

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