Zoom
Menu
Use the Zoom Menu to specify the
current zoom factor, orientation, and angle of the image in the current
frame.
Align to Equatorial WCS
If a valid WCS is present, rotate and orient
the image so that the WCS RA is horizontal and increases to the left and
WCS DEC is vertical and increases up.
Zoom In
Zoom in the image by a factor of 2.
Zoom Out
Zoom out the image by a factor of 2.
Zoom to Fit Frame
Zoom to Fit Frame will calcuate the correct
zoom factor to allow the entire data space to be displayed in the current
frame.
Center Frame
Will pan to the center of the current frame.
Please Note:
-
For FITS Bin Tables-- The center is defined
by the TLMAX,
TLMIN,
TALEN,
or AXLEN FITS keywords if
present. If not available, by the min and max of the data type.
-
For FITS Mosaics-- The center is defined bye
the DETSIZE FITS keyword.
None
The image axes are not inverted.
Invert X
Invert the X axis of the image of the current
frame.
Invert Y
Invert the Y axis of the image of the current
frame.
Invert XY
Invert both the X and Y axis of the image
of the current frame.
Pan Zoom Rotate To
Invoke a dialog box to specify a view center,
zoom factor, and rotation angle for the current frame.