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Markov Chains: Markov.zip: Include file to run Markov Chains of nth order.; Last update: 2021-06-28 Initial version.
Curves and Splines: Curve.zip: Include file for the interpolation of various curves and splines; Last update: 2021-06-28 Fixed TCB bug. Some additions, some refactoring.
Audio synthesis: POVSound.zip: Include files to make sound with POV-Ray.; Last update: 2021-04-30; added Amplitude Modulation examples and ADSR include file

Pigment manipulation: Gradient.zip: Functions to modify pigments or other functions.; Last update: 2019-01-14 rewrite and scene added

Mesh Maker Macros: MMM.zip: Macros for making mesh.; Last update: 2019-01-04 changes to the u- and v resolution; These macro's are here just for history. In a slightly altered form they are available in the standard POV-Ray distribution

Sun position: SunPos.zip: These macro's are here just for history. Sunpos is available in the standard POV-Ray distribution. In the zip are also two includes by Stephen Parke with added functionality, based on sunpos.

Header images: Plates.zip: The scene files for the header images of the articles, regulary updated when new articles arrive

POV-Ray syntax high-lighter: povsdl2html: Converts a POV-Ray scene or include file to a html file; Last update: 2019-01-03 updated to support code up to POV-Ray 3.8 beta xx