de.lmu.ifi.dbs.elki.visualization.projections
Class Simple2D

java.lang.Object
  de.lmu.ifi.dbs.elki.result.AbstractHierarchicalResult
      de.lmu.ifi.dbs.elki.visualization.projections.AbstractProjection
          de.lmu.ifi.dbs.elki.visualization.projections.AbstractSimpleProjection
              de.lmu.ifi.dbs.elki.visualization.projections.Simple2D

All Implemented Interfaces:

HierarchicalResult, Result, Projection, Projection2D

public class Simple2D
extends AbstractSimpleProjection
implements Projection2D

Dimension-selecting 2D projection.

Field Summary

private int	dim1 Dimensions for fast projection mode.
private int	dim2 Dimensions for fast projection mode.

Fields inherited from class de.lmu.ifi.dbs.elki.visualization.projections.AbstractProjection

scales

Fields inherited from interface de.lmu.ifi.dbs.elki.visualization.projections.Projection

SCALE

Constructor Summary

Simple2D(LinearScale[] scales, int ax1, int ax2)
Constructor with a given database and axes.

Method Summary

protected Vector	dearrange(Vector v) Undo the rearrangement of components
String	estimateTransformString(double margin, double width, double height) Get a SVG transformation string to bring the contents into the unit cube.
Pair<DoubleMinMax,DoubleMinMax>	estimateViewport() Estimate the viewport requirements
double[]	fastProjectDataToRenderSpace(NumberVector<?,?> data) Project a data vector from data space to rendering space.
double[]	fastProjectDataToRenderSpace(Vector data) Project a data vector from data space to rendering space.
double[]	fastProjectRelativeDataToRenderSpace(NumberVector<?,?> data) Project a data vector from data space to rendering space.
double[]	fastProjectRelativeDataToRenderSpace(Vector data) Project a data vector from data space to rendering space.
double[]	fastProjectRelativeScaledToRender(Vector v) Project a vector from scaled space to rendering space.
double[]	fastProjectScaledToRender(Vector v) Project a vector from scaled space to rendering space.
BitSet	getVisibleDimensions2D() Get a bit set of dimensions that are visible.
protected Vector	rearrange(Vector v) Method to rearrange components

Methods inherited from class de.lmu.ifi.dbs.elki.visualization.projections.AbstractSimpleProjection

flipSecondEquals, projectRelativeRenderToScaled, projectRelativeScaledToRender, projectRenderToScaled, projectScaledToRender

Methods inherited from class de.lmu.ifi.dbs.elki.visualization.projections.AbstractProjection

getInputDimensionality, getLongName, getScale, getShortName, projectDataToRenderSpace, projectDataToRenderSpace, projectDataToScaledSpace, projectDataToScaledSpace, projectRelativeDataToRenderSpace, projectRelativeDataToRenderSpace, projectRelativeDataToScaledSpace, projectRelativeDataToScaledSpace, projectRelativeRenderToDataSpace, projectRelativeScaledToDataSpace, projectRenderToDataSpace, projectScaledToDataSpace

Methods inherited from class de.lmu.ifi.dbs.elki.result.AbstractHierarchicalResult

addChildResult, getHierarchy, setHierarchy

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.lmu.ifi.dbs.elki.visualization.projections.Projection

getInputDimensionality, getScale, projectDataToRenderSpace, projectDataToRenderSpace, projectDataToScaledSpace, projectDataToScaledSpace, projectRelativeDataToRenderSpace, projectRelativeDataToRenderSpace, projectRelativeDataToScaledSpace, projectRelativeDataToScaledSpace, projectRelativeRenderToDataSpace, projectRelativeRenderToScaled, projectRelativeScaledToDataSpace, projectRelativeScaledToRender, projectRenderToDataSpace, projectRenderToScaled, projectScaledToDataSpace, projectScaledToRender

Methods inherited from interface de.lmu.ifi.dbs.elki.result.HierarchicalResult

getHierarchy, setHierarchy

Methods inherited from interface de.lmu.ifi.dbs.elki.result.Result

getLongName, getShortName

Field Detail

dim1

private int dim1

Dimensions for fast projection mode.

dim2

private int dim2

Dimensions for fast projection mode.

Constructor Detail

Simple2D

public Simple2D(LinearScale[] scales,
                int ax1,
                int ax2)

Constructor with a given database and axes.

Parameters:

scales - Scales to use

ax1 - First axis

ax2 - Second axis

Method Detail

fastProjectDataToRenderSpace

public double[] fastProjectDataToRenderSpace(Vector data)

Description copied from interface: Projection2D

Project a data vector from data space to rendering space.

Specified by:

fastProjectDataToRenderSpace in interface Projection2D

Parameters:

data - vector in data space

Returns:

vector in rendering space

fastProjectDataToRenderSpace

public double[] fastProjectDataToRenderSpace(NumberVector<?,?> data)

Description copied from interface: Projection2D

Project a data vector from data space to rendering space.

Specified by:

fastProjectDataToRenderSpace in interface Projection2D

Parameters:

data - vector in data space

Returns:

vector in rendering space

fastProjectScaledToRender

public double[] fastProjectScaledToRender(Vector v)

Description copied from interface: Projection2D

Project a vector from scaled space to rendering space.

Specified by:

fastProjectScaledToRender in interface Projection2D

Parameters:

v - vector in scaled space

Returns:

vector in rendering space

fastProjectRelativeDataToRenderSpace

public double[] fastProjectRelativeDataToRenderSpace(Vector data)

Description copied from interface: Projection2D

Project a data vector from data space to rendering space.

Specified by:

fastProjectRelativeDataToRenderSpace in interface Projection2D

Parameters:

data - vector in data space

Returns:

vector in rendering space

fastProjectRelativeDataToRenderSpace

public double[] fastProjectRelativeDataToRenderSpace(NumberVector<?,?> data)

Description copied from interface: Projection2D

Project a data vector from data space to rendering space.

Specified by:

fastProjectRelativeDataToRenderSpace in interface Projection2D

Parameters:

data - vector in data space

Returns:

vector in rendering space

fastProjectRelativeScaledToRender

public double[] fastProjectRelativeScaledToRender(Vector v)

Description copied from interface: Projection2D

Project a vector from scaled space to rendering space.

Specified by:

fastProjectRelativeScaledToRender in interface Projection2D

Parameters:

v - vector in scaled space

Returns:

vector in rendering space

getVisibleDimensions2D

public BitSet getVisibleDimensions2D()

Description copied from interface: Projection2D

Get a bit set of dimensions that are visible.

Specified by:

getVisibleDimensions2D in interface Projection2D

Returns:

Bit set, first dimension is bit 0.

estimateViewport

public Pair<DoubleMinMax,DoubleMinMax> estimateViewport()

Description copied from interface: Projection2D

Estimate the viewport requirements

Specified by:

estimateViewport in interface Projection2D

Returns:

MinMax for x and y obtained from projecting scale endpoints

estimateTransformString

public String estimateTransformString(double margin,
                                      double width,
                                      double height)

Description copied from interface: Projection2D

Get a SVG transformation string to bring the contents into the unit cube.

Specified by:

estimateTransformString in interface Projection2D

Parameters:

margin - extra margin to add.

width - Width

height - Height

Returns:

transformation string.

rearrange

protected Vector rearrange(Vector v)

Description copied from class: AbstractSimpleProjection

Method to rearrange components

Specified by:

rearrange in class AbstractSimpleProjection

Parameters:

v - Vector to rearrange

Returns:

rearranged copy

dearrange

protected Vector dearrange(Vector v)

Description copied from class: AbstractSimpleProjection

Undo the rearrangement of components

Specified by:

dearrange in class AbstractSimpleProjection

Parameters:

v - Vector to undo the rearrangement

Returns:

rearranged-undone copy