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The global_settings statement is a catch-all statement that
gathers together a number of global parameters. The statement may appear
anywhere in a scene as long as it is not inside any other statement. You may
have multiple global_settings statements in a scene. Whatever
values were specified in the last global_settings statement
override any previous settings.
Note: some items which were language directives in earlier versions of
POV-Ray have been moved inside the global_settings statement so
that it is more obvious to the user that their effect is global. The old
syntax is permitted but generates a warning.
The new syntax is:
GLOBAL_SETTINGS:
global_settings { [GLOBAL_SETTINGS_ITEMS...] }
GLOBAL_SETTINGS_ITEM:
adc_bailout Value | ambient_light COLOR | assumed_gamma Value |
hf_gray_16 [Bool] | irid_wavelength COLOR |
charset GLOBAL_CHARSET | max_intersections Number |
max_trace_level Number | number_of_waves Number |
noise_generator Number | radiosity { RADIOSITY_ITEMS... } |
photon { PHOTON_ITEMS... }
GLOBAL_CHARSET:
ascii | utf8 | sys
Global setting default values:
CHARSET : ascii adc_bailout : 1/255 ambient_light : <1,1,1> assumed_gamma : No gamma correction hf_gray_16 : off irid_wavelength : <0.25,0.18,0.14> max_trace_level : 5 max_intersections : 64 number_of_waves : 10 noise_generator : 2 Radiosity: adc_bailout : 0.01 always_sample : on brightness : 1.0 count : 35 (max = 1600) error_bound : 1.8 gray_threshold : 0.0 low_error_factor : 0.5 max_sample : non-positive value minimum_reuse : 0.015 nearest_count : 5 (max = 20) normal : off pretrace_start : 0.08 pretrace_end : 0.04 recursion_limit : 3
Each item is optional and may appear in any order. If an item is specified more than once, the last setting overrides previous values. Details on each item are given in the following sections.
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