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  1. Received: by  nxoc01.cern.ch  (NeXT-1.0 (From Sendmail 5.52)/NeXT-2.0)
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  12. Date: 21 Jun 1993 09:03:02 +0000 (GMT)
  13. From: marcus@x4u.desy.de (Marcus Speh)
  14. Subject: How do I use Xmosaic's ISMAP flag with CERN httpd
  15. Sender: VMNETNEW@slacvm.slac.stanford.edu
  16. To: WWW-TALK@nxoc01.cern.ch
  17. Message-Id: <MARCUS.93Jun21110302@x4u.desy.de>
  18. Organization: Deutsches Elektronen-Synchrotron, Hamburg, Germany.
  19. X-Envelope-To: WWW-TALK@INFO.CERN.CH
  20. Content-Transfer-Encoding: 7BIT
  21. Xref: unixhub comp.infosystems.www:367 cern.www.talk:14 slac.www.talk:4
  22. Newsgroups: comp.infosystems.www,cern.www.talk,slac.www.talk
  23. Path: slacvm!unixhub!dxcern!dscomsa!dscomsf!marcus
  24. X-Sender: usenet@dscomsa.desy.de (usenet)
  25.  
  26.     I am currently writing the hypertext doc to a class library
  27. which I want to be fully transparent for the public. Thus, I
  28. prepared an image of the Class Inheritance Tree with neat
  29. boxes. I thought I'd use the ISMAP feature [I have XMosaic v1.1
  30. for SGI-Irix4d]: I followed your demo, i.e. I have a file which
  31. contains
  32.                                                         <xmp>
  33. <A HREF="./decodeMGLIB"><IMG SRC="MGLIB-all.gif" ISMAP>
  34. </A>
  35.                                                         </xmp>
  36. and in the same dir a file
  37.                                                         <xmp>
  38. /decodeMGLIB
  39.                                                         </xmp>
  40. containing
  41.                                                         <xmp>
  42. <A HREF="/decodeMGLIB?90,400">ISU</A>
  43. <A HREF="/decodeMGLIB?180,299">MultiGrid</A>
  44.                                                         </xmp>
  45. Now, only if I accidentally hit the right coordinates,
  46. (90,400) or (180,299), I get the wanted answer, written to files
  47. named
  48.                                                         <xmp>
  49. /decodeMGLIB?90,400
  50. /decodeMGLIB?180,299
  51.                                                         </xmp>
  52.  
  53. respectively, while for other coordinates, I get the error:
  54.                                                         <XMP>
  55. **** HTAccess: socket or file number returned by obsolete
  56. load routine!  **** HTAccess: Internal software error.
  57. Please mail www-bug@info.cern.ch!
  58.                                                         </XMP>
  59. In his reply, Tony Sanders (sanders@bsdi.com)
  60. who contributed this feature said he did not even know the
  61. CERN httpd supported it. Tony also writes:
  62.                                                         <PRE>
  63.   What Mosaic
  64.   should be passing to the server for your example
  65.   would be:
  66.  
  67.   GET /decode?xxx,yyy
  68.  
  69.   It's the job of the server to decode the xxx,yyy
  70.   coords and translate that to some document.
  71.  
  72.   > these are the upper right corners of subimages
  73.  
  74.   I would imagine that you have to describe both corners,
  75.   and I'll bet it's the upper-left and lower-right, not
  76.   upper-right but that's just a guess.
  77.                                                         </PRE>
  78. Now, I dont know whether this quote helps, but maybe one or the
  79. other wizard at CERN, or an XMosaic expert knows the answer.
  80.   If that should be necessary: the files I am talking about above are
  81. at at URL http://info.desy.de:80/pub/www/refs/test, or
  82. <A HREF="http://info.desy.de:80/pub/www/refs/test">here</a>
  83. (if you're reading this with WWW)
  84.                                                                 <P>
  85.         <A HREF="http://info.desy.de:80/pub/www/people/marcus.html">
  86. marcus                                                  </a>
  87.