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  28  <H3><A NAME="5_5_1">5.5.1 Clipping</A></H3>
  29  <P> By default all plots are clipped outside the plot area. This means
  30   that if you manually specify a scale and then try to plot which has
  31   values smaller/larger than the scale those values will not show.</P>
  32  <P> The clipping algorithm is &quot;perfect&quot; in the sense that for example
  33   line plots where the plot area cuts the line between two data points
  34   the line will be drawn up to the edge of the plot area. The algorithm
  35   used is O(1) in number of data points.</P>
  36  <P> The disabling/enabling of clipping manually is controlled by <A href="../ref/Graph.html#_GRAPH_SETCLIPPING">
  37  Graph::SetClipping()</A></P>
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