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• Reference:Vector Expressions
  {{#indexentry:Expressions, vector}} {{#indexentry:Vector, expressions}}
  19 KB (3,013 words) - 14:20, 9 June 2021

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• Reference:Keywords
  <code>[[Reference:Numeric Expressions#Functions|:abs|abs]]</code><br> <code>[[Reference:Numeric Expressions#Functions|:acos|acos]]</code><br>
  44 KB (6,152 words) - 11:29, 2 October 2018
• Reference:Vector Expressions
  {{#indexentry:Expressions, vector}} {{#indexentry:Vector, expressions}}
  19 KB (3,013 words) - 14:20, 9 June 2021
• Documentation:Contents
  ...:Tutorial Section 3.2#Writing the polynomial vector|Writing the polynomial vector]] :::2.3.1.5 [[Reference:Numeric Expressions|Numeric Expressions]]
  89 KB (9,046 words) - 08:15, 17 June 2021
• Documentation:Reference Table of Contents
  ::* [[Reference:Numeric Expressions|Numeric Expressions]] :::* [[Reference:Numeric Expressions#Literals|Literals]]
  33 KB (3,799 words) - 08:11, 17 June 2021
• Reference:Numeric Expressions
  {{#indexentry:Expressions, float}} {{#indexentry:Float, expressions}}
  33 KB (5,379 words) - 14:34, 9 June 2021
• Reference:Color Expressions
  have color values. The 3, 4, and 5 term vectors are usually vector literals but may be vector expressions or floats promoted to vectors. See
  19 KB (2,971 words) - 18:13, 10 February 2020
• Documentation:Tutorial Section 3.9
  <li>The normal vector, which is a vector perpendicular (ie. at 90 degrees) to to be of vector type. The vector type identifiers are, in fact, used later
  34 KB (5,423 words) - 12:00, 1 July 2012
• Documentation:Tutorial Section 3.2
  ...be planes going through the origin, the function just describes the normal vector of the plane.</p> ...xibility. Remember that user defined functions (like equations), all float expressions and operators which are legal in POV-Ray can be used, and that functions sh
  40 KB (6,285 words) - 14:20, 16 December 2016
• Reference:Function
  ...Numeric Expressions#Functions|strlen]]</code> or <code>[[Reference:Numeric Expressions#Functions|:vlength|vlength]]</code>. You find a full list of supported floa [[Reference:Numeric Expressions#Functions|:Float, functions|Float Functions]].</p>
  12 KB (1,866 words) - 09:35, 28 February 2018
• Documentation:Tutorial Section 2.2
  Reflection calculations depend on a vector called a <em>surface normal</em>. This is a vector which points away from the surface and is perpendicular to
  33 KB (5,190 words) - 17:41, 10 February 2020
• Documentation:Tutorial Section 2
  ...ystem is used, as some CAD systems and modelers do, the <code>right</code> vector in the camera specification will need to be changed, additionally be sure t coordinates using a three-part <em>vector</em>. A vector is specified by
  31 KB (5,079 words) - 14:03, 16 December 2016
• Reference:File I/O Directives
  <p>You may read string, float or vector values from a plain ASCII text file directly into POV-Ray variables using t ...ntifier or any previously declared string identifier, float identifier, or vector identifier. Undefined identifiers will be turned into global identifiers of
  8 KB (1,350 words) - 23:13, 3 May 2016
• Reference:Language Basics
  ...OV-Ray language consists of identifiers, reserved keywords, floating point expressions, strings, special symbols and comments. The text of a POV-Ray scene file is <li>[[Reference:Numeric Expressions|Numeric Expressions]]</li>
  983 bytes (135 words) - 19:30, 23 July 2012
• Documentation:Tutorial Section 1
  <li>Support for <code>tau</code> as a [[Reference:Numeric Expressions#Built-in Constants|Built-in Constant]] has been added</li> ...age version at the time the expression is parsed. See: [[Reference:Numeric Expressions#Built-in Variables|Built-in Variables]] and [[Reference:Version Directive|V
  38 KB (5,895 words) - 20:53, 2 July 2021
• Reference:Strings
  for details on string functions. Although you cannot build string expressions strlwr( STRING ) | vstr( INT, VECTOR, STRING, INT, INT )
  14 KB (2,163 words) - 18:19, 10 February 2020
• Reference:Transformations
  ...e>translate</code> followed by a vector expression. The three terms of the vector specify the number of units to move in each of the x, y and z directions. T ...<code>scale</code> followed by a vector expression. The three terms of the vector specify the amount of scaling in each of the x, y and z directions.</p>
  7 KB (1,082 words) - 15:16, 16 December 2016
• Reference:Declare and Local Directives
  ...eric Expressions#Built-in Constants|:Vector, built-in identifiers|Built-in Vector Identifiers]] for details.</p> FLOAT; | VECTOR; | COLOR; | STRING | OBJECT | TEXTURE |
  17 KB (2,659 words) - 20:47, 2 July 2021
• Reference:User Defined Macros
  designed to operate on one vector and two floats. It might be defined <code> tell if this is a vector and two floats or if its 5 parameters with the two
  17 KB (2,782 words) - 14:28, 9 June 2021
• Documentation:Tutorial Section 3.3
  <p>Pigments are described by numerical values that give the [[Reference:Color Expressions#Color Vectors|rgb]] value of the color to be used (like <code>color rgb&lt; POV-Ray's word for [[Reference:Color Expressions#Color Vectors|filtered]] transparency. A value of one means that the
  67 KB (10,475 words) - 15:22, 9 June 2021
• Reference:Function Pattern
  ...-Defined Functions">User-Defined Functions</linkto>--->[[Reference:Numeric Expressions#Functions|User-Defined Functions]] for what is legal in POV-Ray. Of special have to specify which component of the color vector should be used. To
  5 KB (744 words) - 01:15, 17 December 2016

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