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<strong class="NavBar">POV-Ray 3.6 for UNIX documentation</strong><br> <strong>3.8.13
Global Settings</strong>
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<h3><a name="s03_08_13">3.8.13 </a>Global Settings</h3>
<a name="s03_08_13_i1"><a name="quickref, global settings"></a><a name="s03_08_13_i2">
<dl class="Syntax">
<dt class="SubDesc">
Specify various settings that apply to the entire scene
<dt>
GLOBAL_SETTINGS:
<dd class="Jump">
<a href="#l166">Jump to SDL</a>
<dd>
<code><strong>global_settings {</strong> GLOBAL_SETTING_ITEMS <strong>}</strong></code>
<dt>
GLOBAL_SETTING_ITEMS:
<dd>
<code>[<strong>adc_bailout</strong> FLOAT] & [<strong>ambient_light</strong> COLOR] & [<strong>assumed_gamma</strong> FLOAT]
& [<strong>hf_gray_16</strong> [BOOL]] & [<strong>irid_wavelength</strong> COLOR] & [<strong>charset</strong> GLOBAL_CHARSET]
& [<strong>max_intersections</strong> INT] & [<strong>max_trace_level</strong> INT] & [<strong>number_of_waves</strong> INT]
& [<strong>noise_generator</strong> NG_TYPE] & [RADIOSITY] & [PHOTONS]</code>
<dt>
GLOBAL_CHARSET:
<dd>
<code><strong>ascii</strong> | <strong>utf8</strong> | <strong>sys</strong></code>
<dt>
NG_TYPE:
<dd>
<code><strong>1</strong> | <strong>2</strong> | <strong>3</strong></code>
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<a href="s_153.html#s03_08_01">Quick Reference Contents</a>
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<h4><a name="s03_08_13_01">3.8.13.1 </a>Radiosity</h4>
<a name="s03_08_13_01_i1"><a name="quickref, radiosity"></a><a name="s03_08_13_01_i2">
<dl class="Syntax">
<dt class="SubDesc">
Enable radiosity to compute diffuse inter-reflection of light:
<dt>
RADIOSITY:
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<a href="#l166">Jump to SDL</a>
<dd>
<code><strong>radiosity {</strong> [RADIOSITY_ITEMS] <strong>}</strong></code>
<dt>
RADIOSITY_ITEMS:
<dd>
<code>[<strong>adc_bailout</strong> FLOAT] & [<strong>always_sample</strong> BOOL] & [<strong>brightness</strong> FLOAT]
& [<strong>count</strong> INT] & [<strong>error_bound</strong> FLOAT] & [<strong>gray_threshold</strong> FLOAT]
& [<strong>load_file</strong> FILE_NAME] & [<strong>low_error_factor</strong> FLOAT] & [<strong>max_sample</strong> FLOAT]
& [<strong>media</strong> BOOL] & [<strong>minimum_reuse</strong> FLOAT] & [<strong>nearest_count</strong> INT]
& [<strong>normal</strong> BOOL] & [<strong>pretrace_end</strong> FLOAT] & [<strong>pretrace_start</strong> FLOAT]
& [<strong>recursion_limit</strong> INT] & [<strong>save_file</strong> FILE_NAME]</code>
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<h4><a name="s03_08_13_02">3.8.13.2 </a>Photons</h4>
<a name="s03_08_13_02_i1"><a name="quickref, photons"></a><a name="s03_08_13_02_i2">
<dl class="Syntax">
<dt class="SubDesc">
Enable photon mapping to render reflective and refractive caustics:
<dt>
PHOTONS:
<dd class="Jump">
<a href="#l166">Jump to SDL</a>
<dd>
<code><strong>photons {</strong> PHOTON_QUANTITY [PHOTON_ITEMS] <strong>}</strong></code>
<dt>
PHOTON_QUANTITY:
<dd>
<code><strong>spacing</strong> FLOAT | <strong>count</strong> INT</code>
<dt>
PHOTON_ITEMS:
<dd>
<code>[<strong>gather</strong> I_MIN, I_MAX] & [<strong>media</strong> I_MAX_STEPS [, F_FACTOR]]
& [<strong>jitter</strong> FLOAT] & [<strong>max_trace_level</strong> INT] & [<strong>adc_bailout</strong> FLOAT]
& [<strong>save_file</strong> FILE_NAME] & [<strong>load_file</strong> FILE_NAME] & [<strong>autostop</strong> FLOAT]
& [<strong>expand_thresholds</strong> F_INCREASE, F_MIN] & [<strong>radius</strong> [FLOAT,
FLOAT, FLOAT, FLOAT]]</code>
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<a name="l166">
<small><strong>More about "Jump to SDL"</strong></small>
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<ul>
<li><small>
<a href="s_102.html#s03_03_03">3.3.3 Global Settings</a> in 3.3 Scene Settings
</small>
<li><small>
<a href="s_75.html#s02_03_10_04">2.3.10.4 Global settings</a> in 2.3.10 SDL tutorial: A raytracer
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<strong>3.8.13 Global Settings</strong>
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