.LP
The "Output Type" toggles between "vector" and "raster".
.IP "Raster  "
When the Output Type 
is set to "raster", xprism3 simply sends a screen dump of  the workspace 
directly to "vpostscr"; in this case, the Postscript pane of the Output subform 
may be considered simply to be a convenient user interface to "vpostscr".  
If desired, one might replicate the operation of this pane WITH RASTER OUTPUT 
by saving the xprism workspace as a screen dump (see the help provided on the 
"Files" pane of the Output subform), and then sending the screen dump to the 
imagen printer using the Khoros routine,"vpostscr".
.IP "Vector  "
Vector Output may also be referred to as "Quality Output" - certain operations 
are done so that the plot that is printed out will have smoother lines and a
clearer rendering than is possible on the display. In general, vector output
is always the method of choice. Text and fonts look far superior with vector
output, lines are smooth, and the graphics workspace in general looks more
refined on paper than it can on the screen. 
.SH
Output to Printer vs. Output to File
.IP
If one wishes to send the xprism workspace directly to an available postscript
printer, fill in the "Printer" parameter box with the name of your local
postscript printer. When the user hits return, the workspace will be sent 
straight to the specified printer.
On the other hand, one may not have direct access to a postscript printer, but
desire to use one on another system, for example.  To do this, one might first
fill in the "Filename" parameter box with the name of a file to save the
workspace in.  When the user hits return, the workspace is saved  
in the named file. This file may then be ftp'ed,
mailed, etc. to the computer which is connected to the desired postscript
printer, and then sent to that printer with a simple "lpr " command.
