CImage:GetImageScale CImage:GetWcsProj

CImage:GetImageScaleXy


The GetImageScaleXy method returns the scale in distance units per pixel independently for both image axes.

Syntax

nScaleX, nScaleY = CImage:GetImageScaleXy()

Remarks

If the image has a WCS calibration, this returns WCS distance units per pixel. If there is no WCS calibration, measurements it returns 1,1. If the image has a different scale in each axis, use the GetImageScale method.

Example

Assume a displayed image has a WCS calibration giving 45.2 microns per pixel in the column axis and 42.4 microns per pixel in the row axis. The following script returns the image scales:

I = V:GetImage()

-- load the image from a display window

x, y = I:GetImageScaleXy()

-- return the scale as a number

Printf("Scale= %lg, %lg",x,y)

-- result: Scale= 45.2, 42.4.

Related Topics

CImage class, GetImageScale


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