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   8          </style><hr><a name="_C_SCATTERPLOT"><div style="background-color:yellow;font-family:courier new;"></a>CLASS <b>ScatterPlot</b> EXTENDS <a href="Plot .html#_C_PLOT " style="font-face:arial;font-weight:bold;">Plot </a></div>
   9  <i>(Defined in: jpgraph_scatter.php : 130)</i><table border=1><tr><td>&nbsp;<a href="ScatterPlot.html" style="font-family:arial;font-weight:bold;color:darkblue;">ScatterPlot</a>&nbsp;</td><td>&nbsp;<a href="Plot .html" style="font-family:arial;font-weight:bold;color:darkblue;">Plot </a>&nbsp;</td></tr><tr><td valign=top>&nbsp;<a href="ScatterPlot.html#_SCATTERPLOT_SCATTERPLOT">ScatterPlot()</a>&nbsp;<br>
  10  &nbsp;<a href="ScatterPlot.html#_SCATTERPLOT_SETIMPULS">SetImpuls()</a>&nbsp;<br>
  11  &nbsp;<a href="ScatterPlot.html#_SCATTERPLOT_SETLINKPOINTS">SetLinkPoints()</a>&nbsp;<br>
  12  </td><td valign=top>&nbsp;</td></tr></table>&nbsp;<p><div style="font-weight:bold;font-family:arial;font-size:100%;">Class usage and Overview</div>A scatter plto is used to display a number of points specified by (x,y) coordinates. To specify the apperance of points the 'mark' property has to be set. See PlotMark class for further details.
  13  <p>
  14  The marks can also be connected with lines by calling the method SetLinkPoints() <p> &nbsp;
  15  <div style="font-weight:bold;font-family:arial;font-size:85%;">See also related classes:</div><a href="LinePlot.html">LinePlot</a> and <a href="PlotMark.html">PlotMark</a> <p> &nbsp;<hr><span style="font-family:arial;font-size:120%;font-weight:bold;">Class Methods</span><hr><p>
  16  <p>&nbsp; <p> &nbsp; <span style='font-size:110%;'><a name="_SCATTERPLOT_SCATTERPLOT"><div style="border-top:solid black 2pt;background-color:lightblue;font-family:courier new;font-size:90%;font-weight:bold;"><b><font color="#000000">
  17  function&nbsp;ScatterPlot($datay,$datax)</font>
  18  </b></div></a></span>
  19  
  20  <span style='font-family:arial;font-size:90%;'><i>Constructor</i></span><p>
  21  
  22  <table cellspacing=0 style='border:black solid 1pt;' width=100%>
  23  <tr><th width=25%>Argument</th><th width=15%>Default</th><th width=60%>Description</th></tr>
  24  <tr><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  25  $datay</font>
  26  
  27  </td><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'>&nbsp;</td><td>Y-data array</td></tr>
  28  
  29  <tr><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  30  $datax</font>
  31  
  32  </td><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  33  false</font>
  34  </td><td>X-data array</td></tr>
  35  </table>
  36  
  37  <div style="font-weight:bold;font-family:arial;font-size:85%;">Description</div>Create a new scatter plot&nbsp;<br>
  38  
  39  <div style="font-weight:bold;font-family:arial;font-size:85%;"><p>Example</div><span style="font-family:courier;font-size:85%;"><font color="#000000">
  40  $datax&nbsp;=&nbsp;array(&nbsp;...&nbsp;);
<br />$datay&nbsp;=&nbsp;array(&nbsp;...&nbsp;);
<br />$scatter&nbsp;=&nbsp;new&nbsp;ScatterPlot($datay,$datax);
<br /></font>
  41  </span><br>
  42  <p>
  43  <p>&nbsp; <p> &nbsp; <span style='font-size:110%;'><a name="_SCATTERPLOT_SETIMPULS"><div style="border-top:solid black 2pt;background-color:lightblue;font-family:courier new;font-size:90%;font-weight:bold;"><b><font color="#000000">
  44  function&nbsp;SetImpuls($f)</font>
  45  </b></div></a></span>
  46  
  47  <span style='font-family:arial;font-size:90%;'><i>Specify impuls type of sctter plot</i></span><p>
  48  
  49  <table cellspacing=0 style='border:black solid 1pt;' width=100%>
  50  <tr><th width=25%>Argument</th><th width=15%>Default</th><th width=60%>Description</th></tr>
  51  <tr><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  52  $f</font>
  53  
  54  </td><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  55  true</font>
  56  </td><td>True=Use impuls type</td></tr>
  57  </table>
  58  
  59  <div style="font-weight:bold;font-family:arial;font-size:85%;">Description</div>By specifying the impuls type each plot is linked to the X-axis by a line.
  60  
  61  This type of plots is often used to illustrate signals in discrete time signal processing.&nbsp;<br>
  62  
  63  <div style="font-weight:bold;font-family:arial;font-size:85%;"><p>Example</div><span style="font-family:courier;font-size:85%;"><font color="#000000">
  64  $scatterplot-&gt;SetImpuls();
<br /></font>
  65  </span><br>
  66  <p>
  67  <p>&nbsp; <p> &nbsp; <span style='font-size:110%;'><a name="_SCATTERPLOT_SETLINKPOINTS"><div style="border-top:solid black 2pt;background-color:lightblue;font-family:courier new;font-size:90%;font-weight:bold;"><b><font color="#000000">
  68  function&nbsp;SetLinkPoints($aFlag,$aColor,$aWeight)</font>
  69  </b></div></a></span>
  70  
  71  <span style='font-family:arial;font-size:90%;'><i>Combine the scatter plot points with a line</i></span><p>
  72  
  73  <table cellspacing=0 style='border:black solid 1pt;' width=100%>
  74  <tr><th width=25%>Argument</th><th width=15%>Default</th><th width=60%>Description</th></tr>
  75  <tr><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  76  $aFlag</font>
  77  
  78  </td><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  79  true</font>
  80  </td><td>True=Link scatter points</td></tr>
  81  
  82  <tr><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  83  $aColor</font>
  84  
  85  </td><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  86  "black"</font>
  87  </td><td>Color of line</td></tr>
  88  
  89  <tr><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  90  $aWeight</font>
  91  
  92  </td><td style='border-right:black solid 1pt;font-family:courier;font-size:90%;font-weight:bold;'><font color="#000000">
  93  1</font>
  94  </td><td>Line width</td></tr>
  95  </table>
  96  
  97  <div style="font-weight:bold;font-family:arial;font-size:85%;">Description</div>Link scatter plots with a line of specified color and width.&nbsp;<br>
  98  
  99  <div style="font-weight:bold;font-family:arial;font-size:85%;"><p>Example</div><span style="font-family:courier;font-size:85%;"><font color="#000000">
 100  $scatterplot-&gt;SetLinkPoints();
<br /></font>
 101  </span><br>
 102  <p> <hr> <p>