|   | 3.8.12 Atmospheric Effects | POV-Ray 3.6 for UNIX documentation 3.8.13 Global Settings | 
global_settings { GLOBAL_SETTING_ITEMS } 
 [adc_bailout FLOAT] & [ambient_light COLOR] & [assumed_gamma FLOAT] 
  & [hf_gray_16 [BOOL]] & [irid_wavelength COLOR] & [charset GLOBAL_CHARSET] 
  & [max_intersections INT] & [max_trace_level INT] & [number_of_waves INT] 
  & [noise_generator NG_TYPE] & [RADIOSITY] & [PHOTONS] 
 ascii | utf8 | sys 
 1 | 2 | 3 
radiosity { [RADIOSITY_ITEMS] } 
 [adc_bailout FLOAT] & [always_sample BOOL] & [brightness FLOAT] 
  & [count INT] & [error_bound FLOAT] & [gray_threshold FLOAT] 
  & [load_file FILE_NAME] & [low_error_factor FLOAT] & [max_sample FLOAT] 
  & [media BOOL] & [minimum_reuse FLOAT] & [nearest_count INT] 
  & [normal BOOL] & [pretrace_end FLOAT] & [pretrace_start FLOAT] 
  & [recursion_limit INT] & [save_file FILE_NAME] 
photons { PHOTON_QUANTITY [PHOTON_ITEMS] } 
 spacing FLOAT | count INT 
 [gather I_MIN, I_MAX] & [media I_MAX_STEPS [, F_FACTOR]] 
  & [jitter FLOAT] & [max_trace_level INT] & [adc_bailout FLOAT] 
  & [save_file FILE_NAME] & [load_file FILE_NAME] & [autostop FLOAT] 
  & [expand_thresholds F_INCREASE, F_MIN] & [radius [FLOAT, 
  FLOAT, FLOAT, FLOAT]] 
|   | 3.8.12 Atmospheric Effects | 3.8.13 Global Settings |