De Pauw Antoine wrote:
> Jeff,
>
> I finally managed to obtain a neat image with imshow and griddata
>
> The code snippet is here:
> http://snipplr.com/view/8307/map-plotting-python-code-temporary/
>
> The only problem I have is now a grey line surrounding the plot, as you can
> see in this low-res sample:
> http://www.kirikoo.net/images/5shrad-20080917-151205.png
>   

Antoine:  Sorry, but I don't see it.
> I have added zero-value points at the corners of the map, thinking that
> interpolation simply didn't do its job between the points because of a lack
> of data, but it's still the same
>
> The masked array has been replaced with a "replace by zero if superior to
> -1.2" thing as the border was surrounding masked zone as well
>
> Is there a border to imshow?
No.

-Jeff
>  If yes, how to remove it?
>
> Also, I tried with aspect='auto' as it seemed to be there for that, but
> still no progress
>   
> Thanks for the tips and have a nice evening!
>
> Antoine De Pauw
> Collaborateur de recherches, Informatique - Research collaborator, IT
> Laboratoire de chimie quantique et photophysique - Quantum chemistry and
> photophysics laboratory
> Université Libre de Bruxelles - ULB
>
>
> -----Original Message-----
> From: Jeff Whitaker [mailto:[EMAIL PROTECTED] 
> Sent: mercredi 17 septembre 2008 13:40
> To: De Pauw Antoine
> Cc: 'John Hunter'; 'Eric Firing'; 'Matplotlib Users'
> Subject: Re: [Matplotlib-users] Information request
>
> De Pauw Antoine wrote:
>   
>> Hi John,
>>
>> I used your example with the missing .ax to modify these font sizes and it
>> works nicely
>>
>> Anyway, by investigation, I found that there is no way of interpolation
>> using scattered data
>>
>> I tried to figure out how to grid my values and use imshow or pcolor, but
>> with no success yet..
>>
>> Could you explain me how I could do to grid, for example, that data:
>>
>> Lat[] (double array containing latitudes)
>> Lon[] (double array containing longitudes)
>> Val[] (double array containing values)
>>
>> Each of the arrays having the same size, and Val[1] has latitude Lat[1]
>>     
> and
>   
>> longitude Lon[1], and so on, and the coordinates are completely unordered
>>
>> When I try to use griddata and use imshow or pcolor with the output array,
>> my figure is blank
>>
>> A simple example or guideline would do, I guess, as I've already gained a
>> good knowledge of the language
>>
>> Thanks in advance
>>
>> PS: Here's the code snippet:
>> http://snipplr.com/view/8307/map-plotting-python-code-temporary/
>>
>>
>> Antoine De Pauw
>> Collaborateur de recherches, Informatique - Research collaborator, IT
>> Laboratoire de chimie quantique et photophysique - Quantum chemistry and
>> photophysics laboratory
>> Université Libre de Bruxelles - ULB
>>   
>>     
>
> Antoine:  Griddata should work fine.  Your code snippet does not try to 
> use griddata, so I can't guess what is wrong.  Let me suggest again  - 
> please post complete, self-contained examples that demonstrate your 
> problem. 
>
> Did you look at the griddata_demo.py example?
>
> -Jeff
>
>   
>> -----Original Message-----
>> From: John Hunter [mailto:[EMAIL PROTECTED] 
>> Sent: mercredi 17 septembre 2008 13:00
>> To: De Pauw Antoine
>> Cc: Eric Firing; Jeff Whitaker; Matplotlib Users
>> Subject: Re: [Matplotlib-users] Information request
>>
>> On Wed, Sep 17, 2008 at 3:28 AM, De Pauw Antoine <[EMAIL PROTECTED]>
>>     
> wrote:
>   
>>   
>>     
>>> The image generated is here:
>>> http://www.kirikoo.net/images/5shrad-20080917-102544.png
>>>
>>> Also, I couldn't find any way to reduce the colorbar font size
>>>     
>>>       
>> The colorbar method returns a matplotlib.colorbar.Colorbar instance,
>> which has matplotlib.axes.Axes instance stored as an attribute.  Thus
>> you can do:
>>
>> cb = colorbar(something....)
>>
>> for t in cb.get_yticklabels():
>>     t.set_fontsize(10)
>>
>> Eric: when you get some time, could you add docstrings to colorbar
>> which document the publicly accessible attributes?
>>
>> JDH
>>
>>   
>>     
>
>
>   


-- 
Jeffrey S. Whitaker         Phone  : (303)497-6313
Meteorologist               FAX    : (303)497-6449
NOAA/OAR/PSD  R/PSD1        Email  : [EMAIL PROTECTED]
325 Broadway                Office : Skaggs Research Cntr 1D-113
Boulder, CO, USA 80303-3328 Web    : http://tinyurl.com/5telg


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