Package elki.application.experiments

Class VisualizeGeodesicDistances

java.lang.Object

elki.application.AbstractApplication

elki.application.experiments.VisualizeGeodesicDistances

@Reference(authors="Erich Schubert, Arthur Zimek, Hans-Peter Kriegel",
           title="Geodetic Distance Queries on R-Trees for Indexing Geographic Data",
           booktitle="Int. Symp. Advances in Spatial and Temporal Databases (SSTD\'2013)",
           url="https://doi.org/10.1007/978-3-642-40235-7_9",
           bibkey="DBLP:conf/ssd/SchubertZK13")
public class VisualizeGeodesicDistances
extends AbstractApplication

Visualization function for Cross-track, Along-track, and minimum distance function.

TODO: make origin point / rectangle configurable.

Reference:

Erich Schubert, Arthur Zimek, Hans-Peter Kriegel
Geodetic Distance Queries on R-Trees for Indexing Geographic Data
Int. Symp. Advances in Spatial and Temporal Databases (SSTD'2013)

Since:

0.5.5

Author:

Niels Dörre, Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	VisualizeGeodesicDistances.Mode	Visualization mode.
static class	VisualizeGeodesicDistances.Par	Parameterization class.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	height	Image size.
private static Logging	LOG	Get a logger for this class.
protected VisualizeGeodesicDistances.Mode	mode	Visualization mode.
protected EarthModel	model	Earth model.
private java.nio.file.Path	out	Holds the file to print results to.
protected int	steps	Number of steps for shades.
protected int	width	Image size.

Fields inherited from class elki.application.AbstractApplication

REFERENCE, VERSION

Constructor Summary

Constructors

Constructor	Description
VisualizeGeodesicDistances(java.nio.file.Path out, int resolution, int steps, VisualizeGeodesicDistances.Mode mode, EarthModel model)	Constructor.

Method Summary

Modifier and Type	Method	Description
private int	colorMultiply(int col, double reldist, boolean ceil)
static void	main(java.lang.String[] args)	Main method for application.
void	run()	Runs the application.

Methods inherited from class elki.application.AbstractApplication

printErrorMessage, runCLIApplication, usage

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logging LOG

Get a logger for this class.

out

private java.nio.file.Path out

Holds the file to print results to.

width

protected int width

Image size.

height

protected int height

Image size.

steps

protected int steps

Number of steps for shades.

mode

protected VisualizeGeodesicDistances.Mode mode

Visualization mode.

model

protected EarthModel model

Earth model.

Constructor Detail

VisualizeGeodesicDistances

public VisualizeGeodesicDistances(java.nio.file.Path out,
                                  int resolution,
                                  int steps,
                                  VisualizeGeodesicDistances.Mode mode,
                                  EarthModel model)

Constructor.

Parameters:

out - Output filename

steps - Number of steps in the color map

mode - Visualization mode

model - Earth model

Method Detail

run

public void run()

Description copied from class: AbstractApplication

Runs the application.

Specified by:

run in class AbstractApplication

colorMultiply

private int colorMultiply(int col,
                          double reldist,
                          boolean ceil)

main

public static void main(java.lang.String[] args)

Main method for application.

Parameters:

args - Parameters