opening graphics devices using ESS under Windows NT

[Rich Heiberger]

There is no satisfactory solution.  The S-Plus GUI is required for interactive
graphics.  When you use M-x S+4 or M-x S+6 you get the GUI running as an 
independent process that can accept text input from emacs.  The commands window
in S-Plus records the interaction.  You can write myfile.s and send lines and
regions over to S-Plus.  You get no text back.  You can highlight a region in
the S-Plus commands window and drop it into a myfile.st buffer in emacs.
You get full interactive graphics.

The alternative M-x Sqpe+4 or M-x Sqpe+6 gives you a normal text interface
inside an emacs buffer.  You do not have interactive graphics.  S-Plus does
not provide interactive graphics except through the GUI.

The next release of S+6 has a java graphics device that is supposed to provide
interactive graphics to the Sqpe user.  I have not yet tested this.

The only graphics you have with Sqpe is static.  You can open a postscript
device, or other static device, and write to it.  Then close the device and
view the graph in ghostview.  Reopen it with a different filename to modify
the plot.

Rich
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