Re: Plot Axis Unit Conversions
- To: mathgroup at smc.vnet.net
- Subject: [mg98850] Re: Plot Axis Unit Conversions
- From: dh <dh at metrohm.com>
- Date: Mon, 20 Apr 2009 19:07:38 -0400 (EDT)
- References: <gsh17u$or$1@smc.vnet.net>
Hi,
here is an example where we have 2 x-axes, one from 0..1 the other from
0..Pi:
Plot[Sin[Pi t], {t, 0, 1}, Frame -> True,
FrameTicks -> {{True, True}, {True,
Table[{x, Rationalize[x] Pi}, {x, 0, 1, .2}]}}]
Daniel
unknownowen at gmail.com wrote:
> Hello everyone,
>
> I am working on a notebook involving a flutter analysis of a flat
> plate in a wind tunnel. All of the equations involve metric units, but
> most of the physical measurements of size I have are in inches. In
> order to maintain a consistent system of units, I would like to plot
> the axis units in metric and English units. Specifically, I have a
> plot for the critical flutter speed in units of m/s versus the chord
> length in meters, and I want to overlay an x-axis, possibly on the
> top, that will display the equivalent length in inches (i.e,
> xinches=x*10000/254) without messing up the graph. At the very least,
> I would like to display it in centimeters instead of meters for better
> clarity. I do NOT want to recalculate the function using inches - just
> display the conversion. It would be nice if I could display it in both
> inches and centimeters at the same time.
>
> This is an absolute breeze to do in another system, but I haven't been
> able to find anything specifically dealing with scaling of axes for
> Mathematica. Anyone have any ideas?
>
> Thanks very kindly!
>