## 5.2 Options Reference

As explained in the previous section, options may be specified by switches or INI-style options. Almost all INI-style options have equivalent `+`/ `-` switches and most switches have equivalent INI-style option. The following sections give a detailed description of each POV-Ray option. It includes both the INI-style settings and the `+`/ `-` switches.

The notation and terminology used is described in the tables below.

`Keyword=`bool | Turn `Keyword` on if bool equals `true`, `yes`, `on` or `1` and Turn it off if it is any other value.
`Keyword=true` | Do this option if `true`, `yes`, `on` or `1` is specified.
`Keyword=false` | Do this option if `false`, `no`, `off` or `0` is specified.
`Keyword=`filename | Set `Keyword` to filename where filename is any valid file name. Note: some options prohibit the use of any of the above `true` or `false` values as a file name. They are noted in later sections.
n | Any integer such as in `+W320`
n.n | Any float such as in `Clock=3.45`
0.n | Any float < 1.0 even if it has no leading 0
s | Any string of text
x or y | Any single character
path | Any directory name, drive optional, no final path separator ("\" or "/", depending on the operating system)

Unless otherwise specifically noted, you may assume that either a plus or minus sign before a switch will produce the same results.

In 'Options Reference' ...
5.2.1 | Animation Options
5.2.2 | Output Options
5.2.3 | Scene Parsing Options
5.2.4 | Shell-out to Operating System
5.2.5 | Text Output
5.2.6 | Tracing Options