Eric,
Thank you, thank you, thank you. This not only fixes the problem I
reported with with
FixedLocator(..) but also another one where I was using MultipleLocator(..)
and getting
the same problem issue with dropping first and last contours. The later
isn't as easy
to work-around but your change fixed it.
David Smith
On Sat, Mar 13, 2010 at 12:30 PM, Eric Firing <efir...@hawaii.edu> wrote:
> David Smith wrote:
>
>> This is a bug report.
>>
>> I am using matplotlib 0.99.1 on Windows. When using contour with the
>> keyword
>> argument locator=ticker.FixedLocator(levels), the plot is always dropping
>> the first
>> and last contour level. If there are less than 3 levels, contour.py
>> throws an
>> exception.
>>
>> My workaround is to duplicate the first and last levels when using the
>> fixed locator: e.g. my argument becomes
>>
>> locator=FixedLocator( [levels[0]] + levels + [levels[-1]] )
>>
>> I have traced the problem to the last line in contour.py, method
>> _autolev() which
>> strips the first and last levels if the contours are not filled:
>>
>> return lev[1:-1]
>>
>> This line occurs at line 682 in my version of contour.py which came with
>> the 0.991 installation.
>>
>> I realize that I could specify the levels in the argument V and this does
>> work. However
>> this code is embedded in GUI-ness which allows the user to choose how the
>> contours
>> are selected. Passing the locator seems to be the best option code-wise.
>>
>
> I committed a small change to svn trunk (r8190) that I think will handle
> your use case without fouling anything else up.
>
> Eric
>
>
>> Thank you,
>>
>> Dave Smith
>>
>>
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