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  28  <H3><A NAME="7_21_1">7.21.1  Customizing the patterns</A></H3>
  29  <P> All patterns can be customized by</P>
  30  <UL>
  31  <LI> ... altering the colors of the band
  32  <BR> &nbsp;</LI>
  33  <LI> ... altering the density of the patterns using the method <A href="../ref/PlotBand.html#_PLOTBAND_SETDENSITY">
  34   PlotBand::SetDensity()</A> The density is specified as an integer in
  35   range 1 to 100 where a higher number means a higher density (smaller
  36   distance between the lines). For example setting the density of the 3D
  37   plane above to 60 gives the result<DIV class="example">
  38  <BR> <A href="exframes/frame_smallstaticbandsex4.html" target="blank"><IMG
  39  border="0" HEIGHT="150"       src="img/img/img/img/img/img/smallstaticbandsex4.png" WIDTH="200"></A>
  40  <BR><B>Figure 111:</B> Increasing the desnity in a pattern <A href="exframes/frame_smallstaticbandsex4.html"
  41  target="blank">[src]</A>&nbsp;
  42  <P></P>
  43  </DIV>
  44  <P>
  45  <BR> &nbsp;</P>
  46  </LI>
  47  <LI> ... enabling or disabling a frame around the pattern by using the
  48   method <A href="../ref/PlotBand.html#_PLOTBAND_SHOWFRAME">
  49   PlotBand::ShowFrame()</A> The band will be given the same color as the
  50   band.
  51  <BR> &nbsp;</LI>
  52  <LI> ... finally you can change whether the band should be drawn on top
  53   of the plots or beneath, (by default the bands are under the plots),
  54   using the <A href="../ref/PlotBand.html#_PLOTBAND_SETORDER">
  55   PlotBand::SetOrder()</A> as the following example show<DIV class="example">
  56  <BR> <A href="exframes/frame_smallstaticbandsex5.html" target="blank"><IMG
  57  border="0" HEIGHT="150"       src="img/img/img/img/img/img/smallstaticbandsex5.png" WIDTH="200"></A>
  58  <BR><B>Figure 112:</B> Stroking the pattern on top of the plots <A href="exframes/frame_smallstaticbandsex5.html"
  59  target="blank">[src]</A>&nbsp;
  60  <P></P>
  61  </DIV>
  62  <P></P>
  63  </LI>
  64  </UL>
  65  <P><DIV class="note"><B>Note:</B> 3D planes actually carry another
  66   possible modification. You can specify the vanish point to change the
  67   perspective used. You can't access the method to change the horizon
  68   directly but you can access it through</DIV><DIV class="phpscript"><CODE>
  69  <FONT color="#000000"> <FONT color="#0000BB">&nbsp;$band</FONT><FONT color="#007700">
  70  -&gt;</FONT><FONT color="#0000BB">prect</FONT><FONT color="#007700">-&gt;</FONT><FONT
  71  color="#0000BB">SetHorizon</FONT><FONT color="#007700">(</FONT><FONT color="#0000BB">
  72  $aHorizon</FONT><FONT color="#007700">)</FONT><FONT color="#0000BB"></FONT>
  73  </FONT></CODE></DIV></P>
  74  <P></P>
  75  <P><SMALL> assuming that the band is a 3D plane.</SMALL></P>
  76  <P> To finish this section we give one final, more creative, example on
  77   how to use the bands.<DIV class="example">
  78  <BR> <A href="exframes/frame_staticbandbarex7.html" target="blank"><IMG border="0"
  79  HEIGHT="300"       src="img/img/img/img/img/img/staticbandbarex7.png" WIDTH="400"></A>
  80  <BR><B>Figure 113:</B> Combining 3D plane, solid band and a sttaic line <A
  81  href="exframes/frame_staticbandbarex7.html" target="blank">[src]</A>&nbsp;
  82  <P></P>
  83  </DIV></P>
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