Re: mapitd

From: Rick Grubin (grubin AT XXXXXX)
Date: Fri Jul 09 2004 - 12:43:37 MDT

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    Hello Serena,

    > I am a writing a program that modifies an existing program, which uses
    > ncar graphics. When I compile and run my program, I get stuck in one of
    > the ncar graphic subroutines, called "mapitd". When I went on-line to
    > the NCAR graphics page-->Getting Started-->NCAR Graphics
    > Fundamentals-->Appendix C: User entry points and functions, I did not
    > find "mapitd". I only found "mapit", "mapita", and "mapitm". Do you not
    > support "mapitd"? Did you not write such a function? I am trying to
    > figure out what this fucntion does.

    You can find online documentation for 'mapitd' at:
        http://ngwww.ucar.edu/ngdoc/ng/supplements/ezmap/#MDPITD

    As the documentation states, 'mapitd' is very much like the 'mapit'
    function, except it does its work with a different underlying drawing
    library:

      "... except that it uses the new dash package DASHPACK instead of the
      old DASHCHAR; it attempts to omit non-visible portions of lines and to
      handle "cross-over" - a jump from one end of the map to the other caused
      by the projection's having slit the globe along some half of a great
      circle and laid it open with the two sides of the slit at opposite ends
      of the map. Cross-over can occur on cylindrical and conical
      projections; MDPITD handles it gracefully on the former and not quite so
      well on the latter."

    The most up-to-date version of NCAR Graphics is v4.3.1, please see:
        http://ngwww.ucar.edu/ng/download.html
    if you want/need to upgrade your current version. You can determine your
    currently installed version by typing the command:

        % ncargversion

    -Rick.

    --
    Rick Grubin                     Visualization + Enabling Technologies
    Scientific Computing Division   National Center for Atmospheric Research   
    grubin@ucar.edu                 303.497.1832
    

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