| 4 |  | This directory contains special and general purpose filters for RADIANCE | 
| 5 |  | picture files and converters to and from other image formats. | 
| 6 |  |  | 
| 7 | + | pcond.h         header file for picture conditioning program pcond | 
| 8 |  | pic.h           header file for reading and writing pictures | 
| 9 |  | ciq.h           header file for color quantization routines | 
| 10 |  | pict.h          header file defining Macintosh PICT format | 
| 19 |  | clrtab.c        more compact but slower replacement for ciq.c+split.c+closest.c | 
| 20 |  | colorscale.c    program to produce color pallets | 
| 21 |  | cut.c           color quantization - median cut algorithm | 
| 21 | – | getinfo.c       program to read info. header from file | 
| 22 |  | glimage.c       simple program to display image on SGI | 
| 23 |  | greyscale.c     program to produce grey test levels | 
| 24 |  | macbethcal.c    program to calibrate image conversion using Macbeth chart | 
| 29 |  | paintjet.c      program to dump pixel file to HP PaintJet color printer | 
| 30 |  | pcomb.c         combine picture files according to calcomp functions | 
| 31 |  | pcompos.c       program to composite pictures | 
| 32 | + | pcond.c         condition Radiance picture for display/output | 
| 33 | + | pcond2.c        pcond input and output conditioning routines for pcond. | 
| 34 | + | pcond3.c        pcond routines for computing and applying brightness mapping. | 
| 35 | + | pcond4.c        pcond routines for veiling glare and loss of acuity. | 
| 36 |  | pextrem.c       program to find min and max values in picture | 
| 37 |  | pf2.c           routines used by pfilt | 
| 38 |  | pf3.c           routines for gaussian and box filtering |