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<html>

  <head>
    <title>
      GRF_DISPLAY - Display a GRF Graph in the MATLAB Graphics Window
    </title>
  </head>

  <body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">

    <h1 align = "center">
      GRF_DISPLAY <br>
      Display a GRF Graph in the MATLAB Graphics Window
    </h1>

    <hr>

    <p>
      <b>GRF_DISPLAY</b>
      is a MATLAB program which
      reads a GRF file containing information about an abstract graph
      and displays a plot in the MATLAB graphics window.
    </p>

    <h3 align = "center">
      Usage:
    </h3>

    <p>
      <blockquote>
        <b>grf_display</b> prefix
      </blockquote>
      or
      <blockquote>
        <b>grf_display</b> ( 'prefix' )
      </blockquote>
      where
      <ul>
        <li>
          <i>'prefix'</i>.grf is the name of the GRF file to be read and displayed.
        </li>
      </ul>
    </p>

    <h3 align = "center">
      Licensing:
    </h3>

    <p>
      The computer code and data files made available on this web page
      are distributed under
      <a href = "../../txt/gnu_lgpl.txt">the GNU LGPL license.</a>
    </p>

    <h3 align = "center">
      Languages:
    </h3>

    <p>
      <b>GRF_DISPLAY</b> is available in
      <a href = "../../m_src/grf_display/grf_display.html">a MATLAB version</a>.
    </p>

    <h3 align = "center">
      Related Data and Programs:
    </h3>

    <p>
      <a href = "../../m_src/circle_grid_display/circle_grid_display.html">
      CIRCLE_GRID_DISPLAY</a>,
      a MATLAB program which reads a matrix of integers, and draws a corresponding
      grid of circles filled with color.
    </p>

    <p>
      <a href = "../../datasets/graffiti/graffiti.html">
      GRAFFITI</a>,
      a dataset directory which
      contains 195 abstract graphs, with adjacency and embedding information,
      stored in the GRF format.
    </p>

    <p>
      <a href = "../../data/graph_representation/graph_representation.html">
      GRAPH_REPRESENTATION</a>,
      a data directory of examples of ways of representing abstract
      mathematical graphs
    </p>

    <p>
      <a href = "../../data/grf/grf.html">
      GRF</a>,
      a data directory which
      contains a description of the GRF format and some examples.
    </p>

    <p>
      <a href = "../../cpp_src/grf_display_opengl/grf_display_opengl.html">
      GRF_DISPLAY_OPENGL</a>,
      a C++ program which
      reads a GRF file defining a mathematical graph and
      displays it in an OpenGL graphics window.
    </p>

    <p>
      <a href = "../../m_src/grf_io/grf_io.html">
      GRF_IO</a>,
      a MATLAB library which
      reads and writes files in the GRF format.
    </p>

    <p>
      <a href = "../../f_src/grf_to_eps/grf_to_eps.html">
      GRF_TO_EPS</a>,
      a FORTRAN90 program which
      can make an encapsulated PostScript image of a GRF file.
    </p>

    <p>
      <a href = "../../f_src/grf_to_xyl/grf_to_xyl.html">
      GRF_TO_XYL</a>,
      a FORTRAN90 program which
      converts information describing the adjacency and embedding of an
      abstract graph from GRF to XYL format.
    </p>

    <p>
      <a href = "../../m_src/grid_display/grid_display.html">
      GRID_DISPLAY</a>,
      a MATLAB library which
      can display a 2D or 3D grid or sparse grid.
    </p>

    <p>
      <a href = "../../m_src/gridlines/gridlines.html">
      GRIDLINES</a>,
      a MATLAB library which
      gives the user more control over drawing gridlines on a graph
      than the builtin "grid on" command.
    </p>

    <p>
      <a href = "../../m_src/ply_display/ply_display.html">
      PLY_DISPLAY</a>,
      a MATLAB program which
      displays an image of a 3D graphics file in PLY format;
    </p>

    <p>
      <a href = "../../m_src/xy_display/xy_display.html">
      XY_DISPLAY</a>,
      a MATLAB program which
      reads an <b>XY file</b> containing
      the coordinates of points in 2D,
      and displays an image in a MATLAB graphics window;
    </p>

    <p>
      <a href = "../../m_src/xyf_display/xyf_display.html">
      XYF_DISPLAY</a>,
      a MATLAB program which
      reads XYF information defining points and faces in 2D,
      and displays an image in a MATLAB graphics window.
    </p>

    <p>
      <a href = "../../data/xyl/xyl.html">
      XYL</a>,
      a data directory which
      contains examples of XYL files,
      a simple 2D graphics point and line format;
    </p>

    <p>
      <a href = "../../m_src/xyl_display/xyl_display.html">
      XYL_DISPLAY</a>,
      a MATLAB program which
      reads XYL information defining points and lines in 2D,
      and displays an image in a MATLAB graphics window.
    </p>

    <p>
      <a href = "../../m_src/xyzl_display/xyzl_display.html">
      XYZL_DISPLAY</a>,
      a MATLAB program which
      reads XYZL information defining points and lines in 3D,
      and displays an image in a MATLAB graphics window.
    </p>

    <h3 align = "center">
      Source Code:
    </h3>

    <p>
      <ul>
        <li>
          <a href = "grf_display.m">grf_display.m</a>
          is the source code.
        </li>
      </ul>
    </p>

    <h3 align = "center">
      Examples and Tests:
    </h3>

    <p>
      <b>COXETER</b> is the Coxeter graph.
      <ul>
        <li>
          <a href = "coxeter.grf">coxeter.grf</a>,
          the GRF file.
        </li>
        <li>
          <a href = "coxeter.png">coxeter.png</a>,
          a PNG image of the plot.
        </li>
      </ul>
    </p>

    <p>
      <b>DISCONNECTED</b> is a disconnected graph.
      <ul>
        <li>
          <a href = "disconnected.grf">disconnected.grf</a>,
          the GRF file.
        </li>
        <li>
          <a href = "disconnected.png">disconnected.png</a>,
          a PNG image of
          the plot.
        </li>
      </ul>
    </p>

    <p>
      <b>MST</b> is a graph associated with a minimum spanning tree problem.
      <ul>
        <li>
          <a href = "mst.grf">mst.grf</a>,
          the GRF file.
        </li>
        <li>
          <a href = "mst.png">mst.png</a>,
          a PNG image of
          the plot.
        </li>
      </ul>
    </p>

    <p>
      <b>SIMPLE</b> is a graph associated with a simple graph.
      <ul>
        <li>
          <a href = "simple.grf">simple.grf</a>,
          the GRF file.
        </li>
        <li>
          <a href = "simple.png">simple.png</a>,
          a PNG image of
          the plot.
        </li>
      </ul>
    </p>

    <p>
      <b>TSP</b> is a complete graph associated with a traveling salesman problem.
      <ul>
        <li>
          <a href = "tsp.grf">tsp.grf</a>,
          the GRF file.
        </li>
        <li>
          <a href = "tsp.png">tsp.png</a>,
          a PNG image of
          the plot.
        </li>
      </ul>
    </p>

    <p>
      You can go up one level to <a href = "../m_src.html">
      the MATLAB source codes</a>.
    </p>

    <hr>

    <i>
      Last revised on 02 January 2011.
    </i>

    <!-- John Burkardt -->

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