Drawing customization
If you need to customize your drawing, then you can exploit the
capability of GDT in handling user-specified constraints.
For example, if you want that all the nodes of a certain set (say 0, 5, and 6)
are drawn in the same face (say with dummy label 1), then you can replace
the above configuration file with the following
one.
<BEGIN_OPTIONS>
<ALGORITHM> 3 </ALGORITHM>
<CONSTRAINTS>
<SAME_FACE_NODES>
<NODE> 0 1
<NODE> 5 1
<NODE> 6 1
</SAME_FACE_NODES>
</CONSTRAINTS>
<END_OPTIONS>
As another example, if you want to emphasize an edge (say edge 8) that for some reason
is expecially important, then you might want to preserve it
to have crossings and maybe to have bends.
This is done very easily by replacing
the above configuration file with the following
one.
<BEGIN_OPTIONS>
<ALGORITHM> 3 </ALGORITHM>
<CONSTRAINTS>
<UNCROSSABLE_EDGES>
</UNCROSSABLE_EDGES>
<BENDS>
</BENDS>
</CONSTRAINTS>
<END_OPTIONS>
Last update : July 31, 2002
Website design by INTEGRA Sistemi, www.IntegraSistemi.it