Bio::Graphics::Glyph::ruler_arrow man page on Fedora

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Bio::Graphics::Glyph::UserrContributed PerBio::Graphics::Glyph::ruler_arrow(3)

NAME
       Bio::Graphics::Glyph::ruler_arrow - glyph for drawing an arrow as ruler
       (5' and 3' are marked as label)

SYNOPSIS
	 See L<Bio::Graphics::Panel> and L<Bio::Graphics::Glyph>.

DESCRIPTION
       This glyph draws arrows.	 Label, if requested, will be 5' and 3' at
       both ends and tick scale is printed if no_tick_label option is set and
       tick option set.	 Depending on options, the arrows can be labeled, be
       oriented vertically or horizontally, or can contain major and minor
       ticks suitable for use as a scale.

   OPTIONS
       In addition to the common options, the following glyph-specific options
       are recognized:

	 Option	     Description	       Default
	 ------	     -----------	       -------

	 -tick	     Whether to draw major	   0
		     and minor ticks.
		     0 = no ticks
		     1 = major ticks
		     2 = minor ticks
	 -label	     5' at start, 3' at end	   0
		     above arrow
	 -both	     5', 3' above,		   0
		     and 3', 5' below arrow
	 -direction  0 = ruler is plus strand	   0
		     -1 = ruler is minus strand

	 -parallel   Whether to draw the arrow	   true
		     parallel to the sequence
		     or perpendicular to it.

	 -northeast  Force a north or east	   true
		     arrowhead(depending
		     on orientation)

	 -east	     synonym of above

	 -southwest  Force a south or west	   true
		     arrowhead(depending
		     on orientation)

	 -west	     synonym of above

	 -double     force-doubleheaded arrow

	 -base	     Draw a vertical base at the   false
		     non-arrowhead side

	 -scale	     Reset the labels on the arrow false
		     to reflect an externally
		     established scale.

       Set -parallel to false to display a point-like feature such as a
       polymorphism, or to indicate an important location.  If the feature
       start == end, then the glyph will draw a single arrow at the designated
       location:

	      ^
	      |

       Otherwise, there will be two arrows at the start and end:

	      ^		     ^
	      |		     |

       Scale: Pass in a externally established scale to reset the labels on
       the arrow.  This is particularly useful for manually constructed images
       where the founding parameters of the panel are not 1-based.  For
       example, a genetic map interval ranging from 0.1 - 0.3 can be
       constructed by first multiplying every value by 100. Passing

	 arrow(-scale=>100);

       will draw tick marks labelled appropriately to your external scale.

BUGS
       Please report them.

SEE ALSO
       Bio::Graphics::Panel, Bio::Graphics::Glyph,
       Bio::Graphics::Glyph::arrow, Bio::Graphics::Glyph::cds,
       Bio::Graphics::Glyph::crossbox, Bio::Graphics::Glyph::diamond,
       Bio::Graphics::Glyph::dna, Bio::Graphics::Glyph::dot,
       Bio::Graphics::Glyph::ellipse, Bio::Graphics::Glyph::extending_arrow,
       Bio::Graphics::Glyph::generic, Bio::Graphics::Glyph::graded_segments,
       Bio::Graphics::Glyph::heterogeneous_segments,
       Bio::Graphics::Glyph::line, Bio::Graphics::Glyph::pinsertion,
       Bio::Graphics::Glyph::primers, Bio::Graphics::Glyph::rndrect,
       Bio::Graphics::Glyph::segments, Bio::Graphics::Glyph::ruler_arrow,
       Bio::Graphics::Glyph::toomany, Bio::Graphics::Glyph::transcript,
       Bio::Graphics::Glyph::transcript2, Bio::Graphics::Glyph::translation,
       Bio::Graphics::Glyph::triangle, Bio::DB::GFF, Bio::SeqI,
       Bio::SeqFeatureI, Bio::Das, GD

AUTHOR
       Shengqiang Shu <sshu@bdgp.lbl.gov> Lincoln Stein <lstein@cshl.org>.

       Copyright (c) 2001 BDGP, Cold Spring Harbor Laboratory

       This library is free software; you can redistribute it and/or modify it
       under the same terms as Perl itself.  See DISCLAIMER.txt for
       disclaimers of warranty.

perl v5.14.1			  2011-07-Bio::Graphics::Glyph::ruler_arrow(3)
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