1Graph::Easy::Layout::ReUpsaeirr(C3o)ntributed Perl DocumGernatpaht:i:oEnasy::Layout::Repair(3)
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6 Graph::Easy::Layout::Repair - Repair spliced layout with group cells
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9 use Graph::Easy;
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11 my $graph = Graph::Easy->new();
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13 my $bonn = Graph::Easy::Node->new(
14 name => 'Bonn',
15 );
16 my $berlin = Graph::Easy::Node->new(
17 name => 'Berlin',
18 );
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20 $graph->add_edge ($bonn, $berlin);
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22 $graph->layout();
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24 print $graph->as_ascii( );
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26 # prints:
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28 # +------+ +--------+
29 # | Bonn | --> | Berlin |
30 # +------+ +--------+
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33 "Graph::Easy::Layout::Repair" contains code that can splice in group
34 cells into a layout, as well as repair the layout after that step.
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36 It is part of Graph::Easy and used automatically.
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39 "Graph::Easy::Layout" injects the following methods into the
40 "Graph::Easy" namespace:
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42 _edges_into_groups()
43 Put the edges into the appropriate group and class.
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45 _assign_ranks()
46 $graph->_assign_ranks();
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48 _repair_nodes()
49 Splicing the rows/columns to add filler cells will have torn holes into
50 multi-edges nodes, so we insert additional filler cells to repair this.
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52 _splice_edges()
53 Splicing the rows/columns to add filler cells might have torn holes
54 into multi-celled edges, so we splice these together again.
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56 _repair_edges()
57 Splicing the rows/columns to add filler cells might have put "holes"
58 between an edge start/end and the node cell it points to. This routine
59 fixes this problem by extending the edge by one cell if necessary.
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61 _fill_group_cells()
62 After doing a "layout()", we need to add the group to each cell based
63 on what group the nearest node is in.
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65 This routine will also find the label cell for each group, and repair
66 edge/node damage done by the splicing.
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69 Exports nothing.
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72 Graph::Easy.
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75 Copyright (C) 2004 - 2007 by Tels <http://bloodgate.com>
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77 See the LICENSE file for information.
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81perl v5.34.0 2022-01-21 Graph::Easy::Layout::Repair(3)