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<H3><A NAME="8_1_3">8.1.3 Adding grid line to the radar plot</A></H3>
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<P> Each major tick mark can also be connected together to create a
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grid. The grid is accessed through the 'grid' property of the graph. To
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enable the grid and set the line style to "dotted" you would have to
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add the lines<DIV class="phpscript"><CODE><FONT color="#000000"> <FONT color="#0000BB">
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$graph</FONT><FONT color="#007700">-></FONT><FONT color="#0000BB">grid</FONT><FONT
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color="#007700">-></FONT><FONT color="#0000BB">Show</FONT><FONT color="#007700">
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();
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<BR></FONT><FONT color="#0000BB">$graph</FONT><FONT color="#007700">-></FONT><FONT
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color="#0000BB">grid</FONT><FONT color="#007700">-></FONT><FONT color="#0000BB">
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SetLineStyle</FONT><FONT color="#007700">(</FONT><FONT color="#DD0000">
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"dotted"</FONT><FONT color="#007700">);</FONT><FONT color="#0000BB"></FONT>
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</FONT></CODE></DIV></P>
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<P>and would result in the following graph<DIV class="example">
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<BR> <A href="exframes/frame_radarex4.html" target="blank"><IMG border="0"
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HEIGHT="200" src="img/img/img/img/img/img/radarex4.png" WIDTH="250"></A>
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<BR><B>Figure 117:</B> Adding dotted gridlines to the graph <A href="exframes/frame_radarex4.html"
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target="blank">[src]</A>
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<P></P>
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</DIV></P>
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<P>By design the plot is above the grid line but beneath the axis in
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image depth, hence some part of the grid lines are hidden.</P>
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<P> To have the grid lines more "visible" just change their color, say
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to, dark red by invoking the SetColor() method on the grid lines which
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would give the following result</P>
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<P> Another simple change we could do would be to just change the
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background color of the radar graph. This is (not surprisingly) done by
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a call to the method SetColor() invoked on the graph object.<DIV class="example">
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<BR> <A href="exframes/frame_radarex6.html" target="blank"><IMG border="0"
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HEIGHT="200" src="img/img/img/img/img/img/radarex6.png" WIDTH="250"></A>
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<BR><B>Figure 118:</B> Changing the background color <A href="exframes/frame_radarex6.html"
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target="blank">[src]</A>
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<P></P>
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<P></P>
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