Correct for aspect and coordinate ratio

Calculate a multiplication factor for the Y dimension to correct for unequal plot aspect and coordinate ratios on the current graphics device.

Usage

getYmult()

Details

getYmult retrieves the plot aspect ratio and the coordinate ratio for the current graphics device, calculates a multiplicative factor to equalize the X and Y dimensions of a plotted graphic object.

Value

The correction factor for the Y dimension.

Author

Jim Lemon

See also

draw.circle