[proFit-list] creating a third y-axis

Sat Nov 22 16:08:01 CST 2014

If you want contour plotting, explore capabilities to make graphs of function(x,y), Data z(x,y), or Data z(row, column) under the Plot menu.

There is an option to draw a color coded z-axis to the side of the plot.

-Don

On Nov 22, 2014, at 1:09 PM, OTTO DE LA TORRE wrote:

What happens if the third axis Z is is a function of X & Y ==> z=f(x,y) in which we can not us superposition. For example z=ln (x^y)?

Sent from my iPhone

On Nov 22, 2014, at 3:24 PM, Camaioni, Donald M <Donald.Camaioni at pnnl.gov<mailto:Donald.Camaioni at pnnl.gov>> wrote:

Jeremy,

I recommend approach of combining the two plots. Once you have set it up and saved the plot, then you can reuse the file to make new plots.

Plot all three datasets in the same graph declaring a new y-axis for the third y-axis.  Duplicate the graph. Then edit the graphs. Delete the plotted data, hide the labels, ticks and axes of all except the 3rd y-axis in this second graph.  Off set it to the right of your 1st graph and send it to the background.   Hide the 3rd axis on the first graph.  Add a title for the third axis.

Best regards,
Don

On Nov 22, 2014, at 11:45 AM, Jeremy Harbinson wrote:

Hi,
The reason I need to do have this is that I need to plot three things which each share the same range of x-values, but have different y ranges. An example of what I want to do, but using matplotlib, can be seen here:

http://matplotlib.org/examples/axes_grid/demo_parasite_axes2.html

I had thought about combing components of two graphs in various ways, but I it would be more elegant to do it directly if possible. I have a Matplotlib recipe for nice quality graphs, so I could plot via that, but Profit is much more easy to work with.

all the best,
Jeremy

On 22 Nov 2014, at 20:27, Dave <glasspusher at outofoptions.net<mailto:glasspusher at outofoptions.net>> wrote:

Hi Jeremy,
It’s a bit of a kludge, but make another graph and just hide the X1, Y1 and X2 axes…

I’m confused as to why you’d want to do this, though. A few times I’ve done graphs that have a split y scale in the middle, with the x axis essentially continuous, but I did this by joining two separate graphs so that they look like they’re one.

Dave

On Nov 19, 2014, at 9:33 AM, Jeremy Harbinson <jeremy_harbinson at me.com<mailto:jeremy_harbinson at me.com>> wrote:

Hi,

i have also just sent this to profit at quansoft.com<mailto:profit at quansoft.com> - I can never remember which I an supposed to use for customer support…….

I would like to create a third y-axis positioned to the right and outside the frame of the graph; for example if my x-axis ranges from 0 to 10, the first y-axis would be at x = 0, the second at x = 10 and the third at x = 12; the third axis would basically be floating the right of the graph. I have had a few goes at doing this, but so far I never been able to get a y-axis positioned at an x- value greater the maximum x-value or less than the minimum x-value. I could extend the x-axis to beyond its current maximum and position the new y-axis along this new region, but I think that would not look so good. I’m sure there must be a simple way of doing this, but I am not figuring it out from the dialogs or the manual.
all the best,
Jeremy Harbinson
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