6.2. Contribution
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## 6.2. Contribution

It would be impossible to create MegaPOV without the outstanding amount of work of all contributors listed below:

Michael Andrews

  - idea for randomized radiosity sample directions

Christophe Bouffartigue

  christophe.bouffartigue@nanterre.marelli.fr

  http://tofbouf.free.fr

  - cloth-ray module

Chris Colefax

  - MegaPOV icon design

John Haggerty

  http://www.slimeland.com/

  - bug-fix for accuracy in normal statement
  - smooth height field bugfix

Christoph Hormann

  `<chris_hormann@gmx.de>`

  http://www.tu-bs.de/~y0013390/

  - mechanics simulation system
  - HDR (High Dynamic Range) image write support (see Section 2.1.2, “HDR (High Dynamic Range) image output”)
  - Radiosity improvements (see Section 2.7.3, “Radiosity”)
  - Normal modifier for transforms (see Section 2.2.7.1, “The normal modifier for transforms”)
  - Custom tone mapping (see Section 2.7.2, “Custom tone mapping function”)
  - Area light max_trace_level control (see Section 2.4.5.1, “Area Light max_trace_level”)

Chris Huff

  `<cjameshuff@earthlink.net>`

  http://home.earthlink.net/~cjameshuff/

  - #set keyword (see Section 2.2.1.1, “Set directive”)
  - glow (see Section 2.5.1, “Glow”)
  - displace warp (see Section 2.6.4, “Displace warp for patterns”)
  - listed pattern (see Section 2.6.2, “Listed pattern”)
  - noise pigment (see Section 2.6.5, “Noise pigment”)

Jurjen

  - transparent inverted normals

Kari Kivisalo

  - film exposure simulation (see Section 2.7.1, “Film exposure simulation”)

Nathan Kopp

  Nathan@Kopp.com

  http://www.nathan.kopp.com

  - unofficial version blocking system

Vahur Krouverk

  vkrouverk at starman.ee

  http://www.profitsoftware.ee/fv/vkhomep.nsf/

  - minor additions for Borland compiler

Mael

  - halton distribution for radiosity sampling
  - reading function for HDR (High Dynamic Range) images (see Section 2.6.6, “HDR (High Dynamic Range) image type”)
  - Angle of incidence pattern (see Section 2.6.1, “Angle of incidence”)
  - Projection pattern (see Section 2.6.3, “Projection pattern”)

Maciej Matysiak

  - hosting

Micha Riser

  mriser@gmx.net

  - boundings in inside tests (see Section 2.4.1.1, “Bounding used in inside tests”)

Włodzimierz ABX Skiba

  `<abx@abx.art.pl>`

  http://www.abx.art.pl/pov/patches/

  - warning free sources
  - shared gray calculations
  - minor changes in parametric sources
  - New spline types:
    - `sor_spline` type in splines (see Section 2.2.6.1, “spline follows sor”)
    - `akima_spline` (see Section 2.2.6.2, “akima spline”)
    - `tcb_spline` (see Section 2.2.6.3, “tcb spline”)
    - x splines: `basic_x_spline`, `general_x_spline` and `extended_x_spline` (see Section 2.2.6.4, “x splines”)
  - spline accessed like array (see Section 2.2.6.5, “Spline accessed like array”)
  - `f_triangle` internal function (see Section 2.2.4.1, “f_triangle”)
  - additional tokens in function syntax (see Section 2.2.2.1, “Additional tokens in function syntax”)
  - polynomial solver in parser (see Section 2.2.5, “Polynomial solver in parser”)
  - `Frame_Step` feature (see Section 2.1.1, “Frame_Step”)
  - changed behavior of radiosity cache in animation (see Section 2.7.3.1, “Cache file”)
  - string function with numbered output filename (see Section 2.2.3.3, “Filename with frame number”)
  - new `user_defined` camera projection type (see Section 2.3.1, “user_defined camera type”)
  - new `camera_view` pigment type (see Section 2.6.8, “New camera_view pigment”)
  - sizes of images measurement (see Section 2.2.3.4, “Sizes of images”)
  - measurement of dimensions in vectors (see Section 2.2.3.5, “Dimensions of vectors”)
  - type checking (see Section 2.2.3.6, “Type checking”)
  - post processing feature (see Section 2.7.5, “Post processing”)

Yvo & René Smellenbergh

  `<smellenbergh@skynet.be>`

  http://users.skynet.be/smellenbergh/

  - multi-platform line feed
  - max_gradient message correction
  - time measurement
  - text object alignment

Massimo Valentini

  - correct assign functions for colors in some cases
  - bugfix for Copy_Flag

Thomas Willhalm

  http://www.thomas.willhalm.de/

  - fur patch (see Section 2.5.3, “Fur”)

Lutz Peter Hooge

  - bicubic interpolation for images (see Section 2.6.7, “Bicubic interpolation for images”)

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