fr.inria.zvtm.glyphs

Class JSkyFitsImage

java.lang.Object

fr.inria.zvtm.glyphs.Glyph

fr.inria.zvtm.glyphs.ClosedShape

fr.inria.zvtm.glyphs.VImage

fr.inria.zvtm.glyphs.JSkyFitsImage

All Implemented Interfaces:

RectangularShape, Translucent, Cloneable

public class JSkyFitsImage
extends VImage

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JSkyFitsImage.ScaleAlgorithm

Field Summary

Fields inherited from class fr.inria.zvtm.glyphs.VImage

ar, at, image, interpolationMethod, pc, scaleFactor, trueCoef, vh, vw, zoomSensitive

Fields inherited from class fr.inria.zvtm.glyphs.ClosedShape

bColor, borderColor, cursorInsideFColor, HSVb

Fields inherited from class fr.inria.zvtm.glyphs.Glyph

alphaC, coef, color, cursorInsideColor, ENTERED_GLYPH, EXITED_GLYPH, fColor, HSV, NO_CURSOR_EVENT, orient, sensit, size, stickedTo, stroke, visible, vx, vy, vz

Fields inherited from interface fr.inria.zvtm.glyphs.Translucent

acO

Constructor Summary

Constructors

Constructor and Description
JSkyFitsImage(double x, double y, int z, URL fitsURL) Construct an image at (x, y) with original scale.
JSkyFitsImage(double x, double y, int z, URL fitsURL, double scale) Construct an image at (x, y) with a custom scale.
JSkyFitsImage(double x, double y, int z, URL fitsURL, double scale, float alpha) Construct an image at (x, y) with a custom scale.
JSkyFitsImage(String file) Construct an image at (0, 0) with original scale.
JSkyFitsImage(URL fitsURL) Construct an image at (0, 0) with original scale.

Method Summary

Modifier and Type	Method and Description
void	autoSetCutLevels(boolean updateDisplay) Sets the image cut levels automatically using median filtering.
void	autoSetCutLevels(Rectangle2D.Double rect, boolean updateDisplay) Sets the image cut levels automatically using median filtering on the given area of the image.
String	getColorLookupTable() Get the color lookup table currently set for this image.
double[]	getCutLevels() Returns an array containing [lowCut, highCut]
int	getDataType()
URL	getFITSImageURL() Get URL of underlying FITS Image.
javax.media.jai.Histogram	getHistogram(int numValues)
double	getMaxValue() Get max cut level.
double	getMinValue() Get min cut level.
double[]	getOriginCutLevels()
jsky.image.fits.codec.FITSImage	getRawFITSImage() Get the underlying JSky FITSImage instance.
JSkyFitsImage.ScaleAlgorithm	getScaleAlgorithm() Get the scale algorithm used to render this FITS image.
Point2D.Double	pix2wcs(double x, double y) Converts from FITS image coordinates to World Coordinates.
void	setColorLookupTable(String tableName, boolean updateDisplay) Sets the color lookup table.
void	setCutLevels(double lowCut, double highCut, boolean updateDisplay) Sets the cut levels for this image.
void	setImage(Image i) Does nothing on purpose.
void	setScaleAlgorithm(JSkyFitsImage.ScaleAlgorithm algorithm, boolean updateDisplay) Sets the scale algorithm used to render this FITS image.
void	updateDisplayedImage() Update the image to be rendered on screen.
Point2D.Double	vs2wcs(double pvx, double pvy) Converts from VirtualSpace coordinates to World Coordinates.
Point2D.Double	wcs2pix(double ra, double dec) Converts from World Coordinates to FITS image coordinates.
Point2D.Double	wcs2vs(double ra, double dec) Converts from World Coordinates to VirtualSpace coordinates.

Methods inherited from class fr.inria.zvtm.glyphs.VImage

addCamera, clone, coordInside, coordInsideP, coordInsideV, draw, drawForLens, fillsView, getBounds, getHeight, getImage, getInterpolationMethod, getJava2DShape, getOrient, getScale, getSize, getWidth, initCams, isZoomSensitive, orientTo, project, projectForLens, removeCamera, reSize, setHeight, setInterpolationMethod, setScale, setWidth, setZoomSensitive, sizeTo, visibleInDisc, visibleInRegion

Methods inherited from class fr.inria.zvtm.glyphs.ClosedShape

addHSVbColor, getBorderColor, getDefaultBorderColor, getHSVbColor, highlight, isBorderDrawn, isFilled, setBorderColor, setCursorInsideFillColor, setDrawBorder, setFilled, setHSVbColor

Methods inherited from class fr.inria.zvtm.glyphs.Glyph

addHSVColor, containedInRegion, getColor, getDefaultColor, getDefaultCursorInsideHighlightColor, getHSVColor, getLocation, getOwner, getStickedGlyphArray, getStroke, getTranslucencyValue, getType, getZindex, isSelected, isSensitive, isVisible, isVisibleThroughLens, move, moveTo, propagateMove, select, setColor, setCursorInsideHighlightColor, setDefaultCursorInsideHighlightColor, setHSVColor, setOwner, setSensitivity, setStroke, setTranslucencyValue, setType, setVisible, setZindex, stick, stickToGlyph, toString, unstick, unstickAllGlyphs, unstickAllGlyphs, unstickFromGlyph, visibleInViewport

Methods inherited from class java.lang.Object

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

Constructor Detail

JSkyFitsImage

public JSkyFitsImage(String file)
              throws MalformedURLException

Construct an image at (0, 0) with original scale.

Parameters:

file - path to FITS file

Throws:

MalformedURLException

JSkyFitsImage

public JSkyFitsImage(URL fitsURL)

Construct an image at (0, 0) with original scale.

Parameters:

fitsURL - FITS file URL

JSkyFitsImage

public JSkyFitsImage(double x,
                     double y,
                     int z,
                     URL fitsURL)

Construct an image at (x, y) with original scale.

Parameters:

x - coordinate in virtual space

y - coordinate in virtual space

z - z-index (pass 0 if you do not use z-ordering)

fitsURL - FITS file URL

JSkyFitsImage

public JSkyFitsImage(double x,
                     double y,
                     int z,
                     URL fitsURL,
                     double scale)

Construct an image at (x, y) with a custom scale.

Parameters:

x - coordinate in virtual space

y - coordinate in virtual space

z - z-index (pass 0 if you do not use z-ordering)

fitsURL - FITS file URL

scale - scaleFactor w.r.t original image size

JSkyFitsImage

public JSkyFitsImage(double x,
                     double y,
                     int z,
                     URL fitsURL,
                     double scale,
                     float alpha)

Construct an image at (x, y) with a custom scale.

Parameters:

x - coordinate in virtual space

y - coordinate in virtual space

z - z-index (pass 0 if you do not use z-ordering)

fitsURL - FITS file URL

scale - scaleFactor w.r.t original image size

alpha - in [0;1.0]. 0 is fully transparent, 1 is opaque

Method Detail

getRawFITSImage

public jsky.image.fits.codec.FITSImage getRawFITSImage()

Get the underlying JSky FITSImage instance.

getFITSImageURL

public URL getFITSImageURL()

Get URL of underlying FITS Image.

getMinValue

public double getMinValue()

Get min cut level.

getMaxValue

public double getMaxValue()

Get max cut level.

getScaleAlgorithm

public JSkyFitsImage.ScaleAlgorithm getScaleAlgorithm()

Get the scale algorithm used to render this FITS image.

setImage

public void setImage(Image i)

Does nothing on purpose. The BufferedImage should only be updated from the FITS image through #updateDisplayedImage()

Overrides:

setImage in class VImage

updateDisplayedImage

public void updateDisplayedImage()

Update the image to be rendered on screen. This method is called whenever the FITS image's content changes, or when the scale algorithm or color lookup table is changed.

setColorLookupTable

public void setColorLookupTable(String tableName,
                                boolean updateDisplay)

Sets the color lookup table.

Parameters:

tableName - Name of color lookup table to be used to render this FITS image. Currently accepted values include: "Standard", "Aips0", "Background", "Color", "Red", "Green", "Blue", "Blulut", "Ramp", "Real", "Heat", "Light", "Pastel", "Smooth", "Idl2", "Idl4", "Idl5", "Idl6", "Idl11", "Idl12", "Idl14", "Idl15", "Isophot", "Manycolor", "Stairs8", "Stairs9", "Random", "Random1", "Random2", "Random3", "Random4", "Rainbow", "Rainbow1", "Rainbow2", "Rainbow3", "Rainbow4".

updateDisplay - true if the ZVTM views observing this image should be repainted at once.

getColorLookupTable

public String getColorLookupTable()

Get the color lookup table currently set for this image.

Returns:

the color looktup table's name

setScaleAlgorithm

public void setScaleAlgorithm(JSkyFitsImage.ScaleAlgorithm algorithm,
                              boolean updateDisplay)

Sets the scale algorithm used to render this FITS image.

Parameters:

updateDisplay - true if the ZVTM views observing this image should be repainted at once.

setCutLevels

public void setCutLevels(double lowCut,
                         double highCut,
                         boolean updateDisplay)

Sets the cut levels for this image.

Parameters:

updateDisplay - true if the ZVTM views observing this image should be repainted at once.

getCutLevels

public double[] getCutLevels()

Returns an array containing [lowCut, highCut]

getOriginCutLevels

public double[] getOriginCutLevels()

autoSetCutLevels

public void autoSetCutLevels(Rectangle2D.Double rect,
                             boolean updateDisplay)

Sets the image cut levels automatically using median filtering on the given area of the image.

Parameters:

updateDisplay - true if the ZVTM views observing this image should be repainted at once.

autoSetCutLevels

public void autoSetCutLevels(boolean updateDisplay)

Sets the image cut levels automatically using median filtering.

Parameters:

updateDisplay - true if the ZVTM views observing this image should be repainted at once.

getDataType

public int getDataType()

getHistogram

public javax.media.jai.Histogram getHistogram(int numValues)

pix2wcs

public Point2D.Double pix2wcs(double x,
                              double y)

Converts from FITS image coordinates to World Coordinates.

Parameters:

x - x-coordinate, in the FITS system: (0,0) lower left, x-axis oriented to the right.

y - y-coordinate, in the FITS system: (0,0) lower left, y-axis oriented upward.

Returns:

null if coords are outside the image, ra/dec otherwise (in degrees).

vs2wcs

public Point2D.Double vs2wcs(double pvx,
                             double pvy)

Converts from VirtualSpace coordinates to World Coordinates.

Parameters:

pvx - x-coord in virtual space.

pvy - y-coord in virtual space.

Returns:

null if coords are outside the image, ra/dec otherwise (in degrees).

wcs2pix

public Point2D.Double wcs2pix(double ra,
                              double dec)

Converts from World Coordinates to FITS image coordinates.

Parameters:

ra - right ascension (in degrees).

dec - declination (in degrees).

Returns:

null if the WCSTransform is invalid, or if the WCS position does not fall within the image.

wcs2vs

public Point2D.Double wcs2vs(double ra,
                             double dec)

Converts from World Coordinates to VirtualSpace coordinates.

Parameters:

ra - right ascension (in degrees).

dec - declination (in degrees).

Returns:

null if coords are outside the image