matplotlib-devel Mailing List for matplotlib

Eric Firing wrote:
> Ted Drain wrote:
>> John,
>> I think keeping the existing API is probably a good idea. What about 
>> something like this:
>>
>> - Keep xlim and viewlim as they are.
>>
>> - Add xbound() (or maybe a better name) that returns (x1,x2) where x1 
>> < x2.
>>
>> - Add set_xbound(x1,x2) that takes x1<x2, checks the inversion flag, 
>> and then calls set_xlim() w/ the args in the proper order.
> 
> The fundamental object containing the relevant information is the 
> Interval instance. Instead of having a proliferation of flags and 
> functions at the python level, I am thinking about adding a few very 
> simple methods to the Interval object. Maybe
> 
> swap() to reverse the order of the bounds
> increasing() to yield True if val2 >= val1
> 
> Your xbound and set_xbound functionality could also be done this way, as 
> Interval methods.
> 
> 
> Mike, how would this fit in with your reworking of transforms?
I don't anticipate any problems with that approach.
Cheers,
Mike
-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA