Re: [Matplotlib-users] Information request

[Jeff W. <js...@fa...>]

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:jd...@gm...] 
> 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 <and...@ul...> 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
>
>   


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Jeffrey S. Whitaker         Phone : (303)497-6313
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