CImage:GetAxisLabel


The GetAxisLabel method returns the label for measurements along a specified image axis.

Syntax

sLabel = CImage:GetAxisLabel( Axis )

Remarks

If the image is in FITS format, this returns the value of the CUNITn keyword for image axis n. You can place an axis label into the header of a FITS format image by adding a string with the CUNITn keyword. The present method reads that string.

Example

Assume a displayed image has no WCS calibration. The following script returns the name of the axis label for axis 1 (the x, or column-number axis):

I = V:GetImage()

-- load the image from a display window

axis = 1

-- column axis

s = I:AxisLabel(axis)

-- return the label string

Printf("MeasureAngle[%d]= '%s'",axis,s)

-- result: Coord units[1]= 'pixels'

Related Topics

CImage, AreaUnits


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