Implementation of heart rate shading

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Guillaume Lemaître

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Jul 1, 2012, 1:31:03 PM7/1/12
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Hi,

I am trying to implement the possibility to visualize the heart rate zone and power zone. I never used qwt and I was not sure exactly by which way I have to solve my problem. The problem can be seen on the figure. I succeed to find the hr zones and plot them. However, these zones will be plot and scale regarding using QwtScaleMap.transform() and the maximum Y in this transform is the max of the power data.

So I would like to know what should be the correct way to assign the Y maximum in order to map the shading regarding the heart rate axes.

Cheers,
-- 
Guillaume
Screenshot from 2012-07-01 19:10:54.png

Mark Liversedge

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Jul 4, 2012, 5:10:34 PM7/4/12
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Hi Guillaume,

Apologies for the delay in responding -- I see that you have submitted a patch and it looks pretty good (I will look more closely and commit in the next couple of days hopefully).

I assume you fixed this?

Mark
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