Re: Subplot excluded when there is overlap

[Pantxo]

Daniel Sebald wrote
> It's sometimes useful to put subplots right next to one another if they 
> share an axis and leave but one set of tick labels for sake of space. 
> There's an apparent rule that subplots which lie under a plot are not 
> shown.  (If anyone knows of a property that changes that behavior, 
> please let me know.)
> 
> Because of the inexactness of floating point math, something like the 
> following:
> 
> figure
> subplot('position', [0.15 0.2 0.8 0.2])
> plot(1:50)
> 
> subplot('position', [0.15 0.4 0.8 0.2])
> plot(1:50)
> 
> subplot('position', [0.15 0.6 0.8 0.2])
> plot(1:50)
> 
> results in one of the subplots not displayed.  Technically there is 
> overlap because of the floating point limited resolution, i.e., 0.2f + 
> 0.2f > 0.4f, or 0.4f + 0.2f > 0.6f.  But there is a certain 
> non-user-friendliness about making the user do something like
> 
> figure
> subplot('position', [0.15 0.2 0.8 0.2-1e-10])
> plot(1:50)
> 
> subplot('position', [0.15 0.4 0.8 0.2-1e-10])
> plot(1:50)
> 
> subplot('position', [0.15 0.6 0.8 0.2-1e-10])
> plot(1:50)
> 
> Also, sometimes the approach like above can result in the two borders in 
> common creating a thicker line.
> 
> Could the test for overlap be changed slightly to allow "nearly-equal" 
> in the formula somehow?
> 
> Dan
> 
> Topic: subplot plot graph position overlap disappear not shown

I don't think this way of calling subplot with a fixed position is very
useful, and the only difference with "axes ('position', pos)" is that the
latter won't delete overlapping axes (plus subplot will add a lot of unused
properties/listeners).

Pantxo



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