astro
Class WcsProjection.EulerRotation

java.lang.Object
  util.PropertyContainer
      util.PropertyResources
          util.PropertyBundles
              astro.WcsProjection
                  astro.WcsProjection.EulerRotation

All Implemented Interfaces:

Cloneable, Initializable, LocalizedSupplying, PropertySupplying, ResourceSupplying, VectorFunction

Enclosing class:

WcsProjection

public static class WcsProjection.EulerRotation
extends WcsProjection

A Euler rotation, defined by the coordinates of the native pole. An Euler rotation is defined via three angles, in FITS normally longitude and latitude in ra/de of the native pole are given, and the third angle, lonpole is 180 deg.

Nested Class Summary

Nested classes/interfaces inherited from class astro.WcsProjection

WcsProjection.EulerRotation, WcsProjection.Gnomonic, WcsProjection.LinearGnomonicRaDe, WcsProjection.LinearPixelProjection, WcsProjection.PolynomialGnomonicRaDe, WcsProjection.PolynomialPixelProjection, WcsProjection.ReadWcs, WcsProjection.ThreeStepWcs, WcsProjection.VariableGnomonicRaDe, WcsProjection.VariablePixelProjection

Nested classes/interfaces inherited from class util.PropertyResources

PropertyResources.URLResource

Field Summary

private double	cospole The cosine of the native longitude of the celestial pole.
static String	KEY_DEUNIT
static String	KEY_RAUNIT
private double	sinpole The sine of the native longitude of the celestial pole.
static String	WDEC
static String	WRA

Fields inherited from class astro.WcsProjection

KEY_PARAMETERSCALE

Fields inherited from class util.PropertyBundles

KEY_LOCALECOUNTRY, KEY_LOCALELANGUAGE, KEY_RESOURCEBUNDLES

Fields inherited from class util.PropertyResources

KEY_NOINITONCREATE, localurl, locate, POSTFIX_DIR, POSTFIX_EXT, POSTFIX_FILE, POSTFIX_LIST, POSTFIX_URL, urlset

Fields inherited from class util.PropertyContainer

KEY_LISTSEPARATOR, KEY_MAPKEYVALUECHAR, KEY_MAPSEPARATOR

Fields inherited from interface util.ResourceSupplying

KEY_URLRESOURCES, KEY_URLUSECONFIG, KEY_URLUSECURRENT, KEY_URLUSEHOME

Fields inherited from interface util.PropertySupplying

CONFIG, KEY_CLASS

Constructor Summary

	WcsProjection.EulerRotation() Classis Euler Rotation for zenithal projections, defaulting pole to 180.
	WcsProjection.EulerRotation(double ll) Classis Euler Rotation, the longitude of the north pole is explicatly stated.
private	WcsProjection.EulerRotation(double sphi, double cphi, Map<String,String> u2f) Hidden constructor, directly for sine and cosine of the longitude of the north pole.
	WcsProjection.EulerRotation(double ll, Map<String,String> u2f) Classis Euler Rotation, the longitude of the north pole is explicatly stated.
	WcsProjection.EulerRotation(Map<String,String> u2f)

Method Summary

VectorG	estimateParameters(nom.tam.fits.Header h) We start with the anticipated pointing of the telescope.
VectorG	estimateParameterScales(VectorG s) We return a typical pixel scale here.
VectorG	evaluate(VectorG pxpy) The argument must be in native spherical coordinates, result is in spherical coordinates, defined by the native pole.
Collection<nom.tam.fits.HeaderCard>	getCards() The two cards are the ra and dec of the native pole, or, if the projection is not for ra dec the coordinates of the native pole.
double	getPixelArea(VectorG pxpy) Area of pixel is unity.
boolean	parseHeader(nom.tam.fits.Header h) Parses the header searching for the two CRVAL cards.

Methods inherited from class astro.WcsProjection

argumentDimension, functionDimension, getParameters, getStandardKeys, setParameters

Methods inherited from class util.PropertyBundles

clone, getLocalized, getLocalized, getLocalizedString, getLocalizedString, loadResource

Methods inherited from class util.PropertyResources

createFrom, createFrom, createFrom, getApplet, getAsResources, getLocalClassLoader, getPropertiesToKey, getPropertiesToKey, getResource, getResourceAsStream, getResourceFromKey, getResources, init, keyCreate, keyCreate, reload, setApplet

Methods inherited from class util.PropertyContainer

augment, augment, augment, defaultBoolean, defaultChar, defaultDouble, defaultFloat, defaultInt, defaultLong, defaultObject, defaultObject, defaultProperties, defaultProperty, getAsBoolean, getAsChar, getAsDouble, getAsEnums, getAsFloat, getAsInt, getAsList, getAsLong, getAsMap, getAsMap, getAsObject, getAsObject, getProperties, getProperty, has, isNew, parseObject, reload, removeProperty, rescanned, setObject, setProperties, setProperty, stringProperties, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface util.ResourceSupplying

getResource, getResourceAsStream, getResources

Methods inherited from interface util.PropertySupplying

defaultBoolean, defaultChar, defaultDouble, defaultFloat, defaultInt, defaultLong, defaultObject, defaultObject, defaultProperties, defaultProperty, getAsBoolean, getAsChar, getAsDouble, getAsFloat, getAsInt, getAsList, getAsLong, getAsMap, getAsObject, getAsObject, getProperties, getProperty, has, parseObject, removeProperty, setObject, setProperty, stringProperties

Methods inherited from interface util.Initializable

init

Field Detail

WRA

public static final String WRA

See Also:

Constant Field Values

KEY_RAUNIT

public static final String KEY_RAUNIT

See Also:

Constant Field Values

WDEC

public static final String WDEC

See Also:

Constant Field Values

KEY_DEUNIT

public static final String KEY_DEUNIT

See Also:

Constant Field Values

cospole

private double cospole

The cosine of the native longitude of the celestial pole.

sinpole

private double sinpole

The sine of the native longitude of the celestial pole.

Constructor Detail

WcsProjection.EulerRotation

public WcsProjection.EulerRotation()

Classis Euler Rotation for zenithal projections, defaulting pole to 180. degrees.

WcsProjection.EulerRotation

public WcsProjection.EulerRotation(Map<String,String> u2f)

WcsProjection.EulerRotation

public WcsProjection.EulerRotation(double ll)

Classis Euler Rotation, the longitude of the north pole is explicatly stated.

WcsProjection.EulerRotation

public WcsProjection.EulerRotation(double ll,
                                   Map<String,String> u2f)

Classis Euler Rotation, the longitude of the north pole is explicatly stated.

WcsProjection.EulerRotation

private WcsProjection.EulerRotation(double sphi,
                                    double cphi,
                                    Map<String,String> u2f)

Hidden constructor, directly for sine and cosine of the longitude of the north pole.

Method Detail

estimateParameterScales

public VectorG estimateParameterScales(VectorG s)

We return a typical pixel scale here.

Overrides:

estimateParameterScales in class WcsProjection

estimateParameters

public VectorG estimateParameters(nom.tam.fits.Header h)
                           throws nom.tam.fits.HeaderCardException

We start with the anticipated pointing of the telescope. If no unit for ra, de is given, we assume Sexagesimal, colons as separators. If a lonpole is given, we set it, but it is never a fitted parameter.

Specified by:

estimateParameters in class WcsProjection

Throws:

nom.tam.fits.HeaderCardException

evaluate

public VectorG evaluate(VectorG pxpy)

The argument must be in native spherical coordinates, result is in spherical coordinates, defined by the native pole. The native pole has to be set prior to this call with setParameters.

getCards

public Collection<nom.tam.fits.HeaderCard> getCards()
                                             throws nom.tam.fits.HeaderCardException

The two cards are the ra and dec of the native pole, or, if the projection is not for ra dec the coordinates of the native pole. Name of the cards is CRVAL.

Specified by:

getCards in class WcsProjection

Throws:

nom.tam.fits.HeaderCardException

parseHeader

public boolean parseHeader(nom.tam.fits.Header h)
                    throws nom.tam.fits.HeaderCardException

Parses the header searching for the two CRVAL cards. Their value represents the native pole, normally in ra dec.

Specified by:

parseHeader in class WcsProjection

Throws:

nom.tam.fits.HeaderCardException

getPixelArea

public double getPixelArea(VectorG pxpy)

Area of pixel is unity.

Specified by:

getPixelArea in class WcsProjection