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  28  <H3><A NAME="9_2_2">9.2.2 Creating 3D pie plots</A></H3>
  29  <P> So far we have only made use of 2D pie plots, creating 3D pie plots
  30   is no more difficult. Instead of creating the plots with a call to
  31   PiePlot() you create the plots with a call to <A href="../ref/PiePlot3D.html#_C_PIEPLOT3D">
  32   PiePlot3D()</A> If we just take the first simple pie plot and replace
  33   the call to PiePlot() with a call to PiePlot3D() we get the following
  34   result.<DIV class="example">
  35  <BR> <A href="exframes/frame_example27.html" target="blank"><IMG border="0"
  36  HEIGHT="200"  src="img/example27.png" WIDTH="300"></A>
  37  <BR><B>Figure 123:</B> A first example of a 3D pie plot <A href="exframes/frame_example27.html"
  38  target="blank">[src]</A>&nbsp;
  39  <P></P>
  40  </DIV></P>
  41  <P> 3D Pie plots have the same possibilities as the normal pie plots
  42   with the added twist of a 3:rd dimension. You can adjust the
  43   perspective angle with the method <A href="../ref/PiePlot3D.html#_PIEPLOT3D_SETANGLE">
  44   SetAngle()</A> So for example to make the pie more &quot;flat&quot; you just set
  45   it to a smaller angle. Setting the perspective angle to 20 degrees in
  46   the previous example will give the following result.<DIV class="example">
  47  <BR> <A href="exframes/frame_example27.1.html" target="blank"><IMG border="0"
  48  HEIGHT="200"  src="img/example27.1.png" WIDTH="300"></A>
  49  <BR><B>Figure 124:</B> Adjusting the perspective angle <A href="exframes/frame_example27.1.html"
  50  target="blank">[src]</A>&nbsp;
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