de.lmu.ifi.dbs.elki.visualization.svg
Class PrettyMarkers

java.lang.Object
  de.lmu.ifi.dbs.elki.visualization.svg.PrettyMarkers

All Implemented Interfaces:

MarkerLibrary

public class PrettyMarkers
extends Object
implements MarkerLibrary

Marker library achieving a larger number of styles by combining different shapes with different colors. Uses object ID management by SVGPlot.

Author:

Erich Schubert

Field Summary

private ColorLibrary	colors Color library
private static String	DEFAULT_PREFIX Default prefix to use.
private String	prefix Prefix for the IDs generated.

Constructor Summary

PrettyMarkers()
Constructor without arguments, will use DEFAULT_PREFIX as prefix.

PrettyMarkers(String prefix)
Constructor

Method Summary

void	plotMarker(Document document, Element parent, double x, double y, int style, double size) Draw an marker used in scatter plots.
Element	useMarker(SVGPlot plot, Element parent, double x, double y, int style, double size) Insert a marker at the given coordinates.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

colors

private ColorLibrary colors

Color library

DEFAULT_PREFIX

private static final String DEFAULT_PREFIX

Default prefix to use.

See Also:

Constant Field Values

prefix

private String prefix

Prefix for the IDs generated.

Constructor Detail

PrettyMarkers

public PrettyMarkers(String prefix)

Constructor

Parameters:

prefix - Prefix to use.

PrettyMarkers

public PrettyMarkers()

Constructor without arguments, will use DEFAULT_PREFIX as prefix.

Method Detail

plotMarker

public void plotMarker(Document document,
                       Element parent,
                       double x,
                       double y,
                       int style,
                       double size)

Draw an marker used in scatter plots. If you intend to use the markers multiple times, you should consider using the useMarker(de.lmu.ifi.dbs.elki.visualization.svg.SVGPlot, org.w3c.dom.Element, double, double, int, double) method instead, which exploits the SVG features of symbol definition and use

Parameters:

document - containing document

parent - parent node

x - position

y - position

style - marker style (enumerated)

size - size

useMarker

public Element useMarker(SVGPlot plot,
                         Element parent,
                         double x,
                         double y,
                         int style,
                         double size)

Description copied from interface: MarkerLibrary

Insert a marker at the given coordinates. Markers will be defined in the defs part of the document, and then SVG-"use"d at the given coordinates. This supposedly is more efficient and significantly reduces file size. Symbols will be named "s0", "s1" etc.; these names must not be used by other elements in the SVG document!

Specified by:

useMarker in interface MarkerLibrary

Parameters:

plot - Plot to draw on

parent - parent node

x - coordinate

y - coordinate

style - style (enumerated)

size - size

Returns:

Element node generated.