| 889 | 
  | 
by the "mkpmap" command, followed by the number of photons to generate | 
| 890 | 
  | 
(required). | 
| 891 | 
  | 
A typical photon count for a global map is on the order of 100-200K. | 
| 892 | 
+ | 
(A 'K', 'M', or 'G' may follow the value to indicate thousands, millions, | 
| 893 | 
+ | 
or billions of photons.) | 
| 894 | 
  | 
By convention, photon map files are given a ".pmp" suffix. | 
| 895 | 
  | 
An optional third parameter specifies the bandwidth to use  | 
| 896 | 
  | 
for the global photons during rendering, and this value should be | 
| 908 | 
  | 
The "Pcmap" specifies the file to hold the caustic photons computed | 
| 909 | 
  | 
by the "mkpmap" command, followed by the number of photons to generate | 
| 910 | 
  | 
(required). | 
| 911 | 
< | 
A typical photon count for a global map is on the order of 1000K. | 
| 911 | 
> | 
A typical photon count for a global map is on the order of 1000K (1M). | 
| 912 | 
> | 
(A 'K', 'M', or 'G' may follow the value to indicate thousands, millions, | 
| 913 | 
> | 
or billions of photons.) | 
| 914 | 
  | 
By convention, photon map files are given a ".pmp" suffix. | 
| 915 | 
  | 
An optional third parameter specifies the bandwidth to use  | 
| 916 | 
  | 
for the global photons during rendering, and this value should be | 
| 917 | 
  | 
around 50. | 
| 918 | 
+ | 
(See the "Pgmap" topic under the current help category.) | 
| 919 | 
  | 
 | 
| 920 | 
  | 
.Options.PcmDelete | 
| 921 | 
  | 
 |