See also entry in DESCRIPTION file
Usage: ps_change_background [options] file1 [file2]
ps_change_background changes the background value of
a Postscript file of a Shaded Pro/ENGINEER image.
options: -h => this help screen
-c XXXXXX => HEX colorcode
R G B values
FFFFFF = white
808080 = 50% gray
0000AA = 66% blue (default)
-p => set Pre-Release 16 version
if only one file is given the old file will be overwritten.
NOTE: There is no check on the validity of your colorcode.
BACKGROUND:
There is a colormap table in the postscript output file.
In the file there is a section like this:
DisplayImage
90.000000
28.080000 -555.840000
735.840000 555.840000
3066 2316
50
FFFF00
FF0000
FFFFFF <---------------- pre-R16 --------------------------+
FFFFFF <-------------------------------------------------+ |
etc. | |
| |
Each of the colormap entries represents a series of | |
3 numbers from 0-255 in a hexadecimal representation. | |
The first 2 digits are red, second 2 are green and the | |
last 2 are blue. The fourth entry controls the background | |
color. That entry is changed by this script. -------------+ |
Pre-Release 16 the third entry controls the background. ----+
Author: Olaf Corten, the Netherlands
E-Mail: olafc@molding.fico.nl or ocorten@knoware.nl
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# History
#
# 09-07-96 Updated to Release 16.
# 11-03-96 first version
#
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