getPixelsPerData.m
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	function pixperdata = getPixelsPerData(hThis)
	% GETPIXELSPERDATA Return pixel-per-data ratio
	%
	% Thanks to <a href="http://www.mathworks.com/matlabcentral/profile/authors/3354683-yaroslav">Yaroslav Don</a> for his assistance in updating cursorbar for
	% MATLAB Graphics and for his contribution of new functionality.

	% Copyright 2003-2016 The MathWorks, Inc.

	% Change Log:
	% 13 Feb 2015: First version posted on the MathWorks file exchange.
	% 14 May 2015: Added logarithmic scale support.

	hAxes = get(hThis,'Parent');

	% get axes' limits
	xl = get(hAxes,'XLim');
	yl = get(hAxes,'YLim');

	% get Axes' pixel position
	pixpos = getpixelposition(hAxes);

	% assert proper scale
	switch [hAxes.XScale '-' hAxes.YScale]
	case 'linear-linear'
	pixperdata = [ pixpos(3) / (xl(2)-xl(1)), pixpos(4) / (yl(2)-yl(1))];
	case 'log-linear'
	pixperdata = [ pixpos(3) / log10(xl(2)/xl(1)), pixpos(4) / (yl(2)-yl(1))];
	case 'linear-log'
	pixperdata = [ pixpos(3) / (xl(2)-xl(1)), pixpos(4) / log10(yl(2)/yl(1))];
	case 'log-log'
	pixperdata = [ pixpos(3) / log10(xl(2)/xl(1)), pixpos(4) / log10(yl(2)/yl(1))];
	end