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.\" ========================================================================
.\"
.IX Title "Graph::Easy::Layout::Repair 3pm"
.TH Graph::Easy::Layout::Repair 3pm "2016-06-06" "perl v5.22.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Graph::Easy::Layout::Repair \- Repair spliced layout with group cells
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&        use Graph::Easy;
\&
\&        my $graph = Graph::Easy\->new();
\&
\&        my $bonn = Graph::Easy::Node\->new(
\&                name => \*(AqBonn\*(Aq,
\&        );
\&        my $berlin = Graph::Easy::Node\->new(
\&                name => \*(AqBerlin\*(Aq,
\&        );
\&
\&        $graph\->add_edge ($bonn, $berlin);
\&
\&        $graph\->layout();
\&
\&        print $graph\->as_ascii( );
\&
\&        # prints:
\&
\&        # +\-\-\-\-\-\-+     +\-\-\-\-\-\-\-\-+
\&        # | Bonn | \-\-> | Berlin |
\&        # +\-\-\-\-\-\-+     +\-\-\-\-\-\-\-\-+
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\f(CW\*(C`Graph::Easy::Layout::Repair\*(C'\fR contains code that can splice in
group cells into a layout, as well as repair the layout after that step.
.PP
It is part of Graph::Easy and used automatically.
.SH "METHODS"
.IX Header "METHODS"
\&\f(CW\*(C`Graph::Easy::Layout\*(C'\fR injects the following methods into the \f(CW\*(C`Graph::Easy\*(C'\fR
namespace:
.SS "\fI_edges_into_groups()\fP"
.IX Subsection "_edges_into_groups()"
Put the edges into the appropriate group and class.
.SS "\fI_assign_ranks()\fP"
.IX Subsection "_assign_ranks()"
.Vb 1
\&        $graph\->_assign_ranks();
.Ve
.SS "\fI_repair_nodes()\fP"
.IX Subsection "_repair_nodes()"
Splicing the rows/columns to add filler cells will have torn holes into
multi-edges nodes, so we insert additional filler cells to repair this.
.SS "\fI_splice_edges()\fP"
.IX Subsection "_splice_edges()"
Splicing the rows/columns to add filler cells might have torn holes into
multi-celled edges, so we splice these together again.
.SS "\fI_repair_edges()\fP"
.IX Subsection "_repair_edges()"
Splicing the rows/columns to add filler cells might have put \*(L"holes\*(R"
between an edge start/end and the node cell it points to. This
routine fixes this problem by extending the edge by one cell if
necessary.
.SS "\fI_fill_group_cells()\fP"
.IX Subsection "_fill_group_cells()"
After doing a \f(CW\*(C`layout()\*(C'\fR, we need to add the group to each cell based on
what group the nearest node is in.
.PP
This routine will also find the label cell for each group, and repair
edge/node damage done by the splicing.
.SH "EXPORT"
.IX Header "EXPORT"
Exports nothing.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Graph::Easy.
.SH "AUTHOR"
.IX Header "AUTHOR"
Copyright (C) 2004 \- 2007 by Tels <http://bloodgate.com>
.PP
See the \s-1LICENSE\s0 file for information.