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  28  <H2><A NAME="7_2">7.2 Specifying targets for image map plots</A></H2>
  29  <P> To turn a standard image script into a CSIM script the first thing
  30   needed to do is to supply the appropriate URL targets for the hotspots
  31   in the image.</P>
  32  <P> What the hotspots represent depends on the type of plot you are
  33   doing. The following plot types and graph areas support image maps.</P>
  34  <UL>
  35  <LI> Line plots. Markers are hotspots.</LI>
  36  <LI> Scatter plot. Markers are hotspots.</LI>
  37  <LI> Pie Plots and 3D Pie plots. Each slice is a hotspot</LI>
  38  <LI> All types of Bar graphs. Each bar is a hotspot</LI>
  39  <LI> Legends</LI>
  40  <LI> Text strings, for example titles and title of axis</LI>
  41  </UL>
  42  <P> To specify a link for each hotspot you have to use the <A href="../ref/Plot.html#_PLOT_SETCSIMTARGETS">
  43   SetCSIMTargets()</A> method for each plot (or specific area) in the
  44   graph which should be a hotspot.</P>
  45  <P> There are two arguments to this method</P>
  46  <OL>
  47  <LI> $aTargets, an array of valid URL targets. One URL per hot spot, for
  48   example if you have a 10 values bar plot you need 10 URLs. If the
  49   SetCSIMTarget() is applied to, for example, a text then of course only
  50   one URL target should be specified.</LI>
  51  <LI> $aAlts, an array of valid alt-texts. Many browsers (but not all)
  52   will show this text string if the mouse hovers over a hotspot.</LI>
  53  </OL>
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