Comments on: Plotting Measured Data http://peltiertech.com/WordPress/plotting-measured-data/ Peltier Tech Excel Charts and Programming Blog Wed, 23 May 2012 03:01:10 +0000 hourly 1 http://wordpress.org/?v=3.1.2 By: Tim Mayes http://peltiertech.com/WordPress/plotting-measured-data/comment-page-1/#comment-2222 Tim Mayes Fri, 11 Jul 2008 18:57:57 +0000 http://peltiertech.com/WordPress/?p=143#comment-2222 These smoothed XY charts have always reminded me of the Bézier curves offered in graphics programs. Every time I see one, I want to click on it and drag the corners around until the chart looks right. There is a nice write-up at: http://en.wikipedia.org/wiki/Bezier_curves. It includes an animated graph that shows what I'm talking about: http://en.wikipedia.org/wiki/Image:BezierInterpolation.gif. I suspect that this is how Excel draws the smoothed lines. These smoothed XY charts have always reminded me of the Bézier curves offered in graphics programs. Every time I see one, I want to click on it and drag the corners around until the chart looks right.

There is a nice write-up at: http://en.wikipedia.org/wiki/Bezier_curves. It includes an animated graph that shows what I’m talking about: http://en.wikipedia.org/wiki/Image:BezierInterpolation.gif. I suspect that this is how Excel draws the smoothed lines.

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