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SCIGRAPH question

   Allegro CL 4.1 CLIM 1.1 on SGI workstations
   Has anyone else encountered errors with text styles not being fully merged?

   Error: The text style #<CLIM::TEXT-STYLE NIL.NIL.NIL @ #x10ef0e1a> must be a fully merged text style

   I get this error when I use "identify data point" (left mouse button on
   graph point).  The errors originate from the tv.lisp file in the methods
   stream-string-width and stream-line-height.  I tried a few quick things to
   get around the problem (mostly testing for a fully-merged-text-style and
   calling stream-current-text-style).  This has not solved the problem.  Does
   anyone else out there have a solution for this one?  I have more information
   (stack trace) but I don't want to clutter up the mailing list too much.

   Everything else in scigraph is working well.  The compilation was one of the
   smoothest I have had when importing code from another source.  Great job!  I
   am impressed with the features and design of your grapher.  Thank you for
   sharing it with all of us.

   Marilyn
   ------------------------------------------------------------------
   Marilyn Bunzo				NASA Ames Research Center
   msb@eos.arc.nasa.gov			Mailstop 269-6
   Sterling Software			Bldg. 269 Room 152
   (415) 604-0426				Moffett Field, CA 94035


Allegro CL 4.1 CLIM 1.1 on Decstation and SPARCstation
Lucid 4.1 Decstation and SPARCstation
SciGraph version released on Sept. 7 1993 (whatever release number
that is)

We get the same error when attempting to edit an annotation or print a
graph to a postscript stream.  As a short term workaround, I found it
possible to change the text style to something like Fix Bold Normal
and then the problems would cease, however, this only works when there
is existing text for which the text style can be changed, such as the
graph title.  Since you don't have access to the text style
of an identified point (or region) until the identify command has
completed, I'm not sure what you can do about this.

Another problem we've had is that if you move an object (like the
legend or title) then the object looses it's mouse sensitivity until
the window is redrawn (by resizing, for instance.)

Adam Carlson
carlson@cs.umass.edu
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