Re: Basemap help, imshow, transform_scaler

John,

Attached is a script illustrating how to make contourf plots with a log 
colorscale.  I made some improvements in svn, as noted in the script, 
but you can still do it with the regular mpl release.  All of this 
should carry through to basemap with no changes in basemap.

Eric

John wrote:
> Well, it seems like I'm making progress, but it's stll not the plot I'm 
> hoping to produce. Something seems strange. First, it does create a 
> contourf plot, but I really need to take log(zdata) and use imshow 
> (which seems to handly the INF issue, wheras contourf crashes). On 
> another issue though, once the image is created, when I draw the map 
> components it covers the image entirely.. so I just see coastlines, 
> meridians, etc on a whilte background as if I had never plotted the data.
>  
> Thanks for helping with this! I'm really trying to make a movement with 
> my colleagues away from matlab, but I need to have things operating more 
> smoothly... lately it hasn't been going so well. This is a great product 
> you've made!
> 
> 
> ------------------------------------------------------------------------
> 
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Re: IDL Font question

IDL uses the Hershey vector fonts
<http://www.ifi.uio.no/it/latex-links/STORE/opt/rsi/idl/help/online_help/Hershey_Vector_Font_Samples.html>

The problem is that these are not trutype fonts, so the easiest solution 
is probably to find some free sans-serif font that looks close to 
Hershey on a free font site.

HTH,
Gary R.

Jose Gomez-Dans wrote:
> Hi,
> Some colleagues have sent some plots which they generated using IDL
> (boo!!! hiss!! :D), and they look quite dissimilar to my matplotlib
> ones. I would like to mimic their layout as much as possible, which so
> far is a success. The only problem is that I don't know what font to
> use. In IDL, I believe it is called "Roman" (there's an smudged
> example here: <http://www.astro.ufl.edu/~warner/IDL5220/HW4w.jpg>).
> Does anyone know a suitable alternative?
> 
> Thanks!
> Jose

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Re: IDL Font question

On 01/11/2007, Jose Gomez-Dans <jgomezdans@...> wrote:
> Hi,
> Some colleagues have sent some plots which they generated using IDL
> (boo!!! hiss!! :D), and they look quite dissimilar to my matplotlib
> ones. I would like to mimic their layout as much as possible, which so
> far is a success. The only problem is that I don't know what font to
> use. In IDL, I believe it is called "Roman" (there's an smudged
> example here: <http://www.astro.ufl.edu/~warner/IDL5220/HW4w.jpg>).
> Does anyone know a suitable alternative?

Not quite the answer you were looking for, but a completely different
approach, if you can ask them to resend the data, is to get them to
save out a postscript file, which IDL can do. Then you can edit the
components with a tool like inkscape and standardise the fonts across
all graphs.

Angus.
--

-- 
AJC McMorland, PhD Student
Physiology, University of Auckland

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Re: Rose plot example?

<URL:http://www.mail-archive.com/matplotlib-users-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f <at> public.gmane.org/msg01221.html>

hth,
Alan Isaac

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Re: Basemap help, imshow, transform_scaler

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Re: Basemap help, imshow, transform_scaler

John wrote:
> Thanks Eric...
>  
> Just a question, I've noticed that if I put enough resolution in lev_exp 
> (ie. lev_exp=arange(0,log10(z.max()),0.15)  #or more is even nicer! Then 
> the file size gets quite large due to all the colors. Any suggestions? I 
> know its a separate issue...
>  
> -john

I don't have any suggestions for reducing file size.  What backend are 
you using?

Eric

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Re: IDL Font question

It depends exacly what you need, but this might help:

Ghostscript comes with the Hershey fonts. You should be able to choose 
an appropriate font name in Matplotlib, e.g. Hershey-Gothic-English, and 
produce a Postscript file using an appropriate backend. You should then 
be able to convert that to one of any number of formats (bitmaps and 
PDF) using Ghostscript. Note the use of the word should, I haven't tried 
this myself!

- Andrew

Gary Ruben wrote:
> IDL uses the Hershey vector fonts
> <http://www.ifi.uio.no/it/latex-links/STORE/opt/rsi/idl/help/online_help/Hershey_Vector_Font_Samples.html>
>
> The problem is that these are not trutype fonts, so the easiest solution 
> is probably to find some free sans-serif font that looks close to 
> Hershey on a free font site.
>
> HTH,
> Gary R.
>
> Jose Gomez-Dans wrote:
>   
>> Hi,
>> Some colleagues have sent some plots which they generated using IDL
>> (boo!!! hiss!! :D), and they look quite dissimilar to my matplotlib
>> ones. I would like to mimic their layout as much as possible, which so
>> far is a success. The only problem is that I don't know what font to
>> use. In IDL, I believe it is called "Roman" (there's an smudged
>> example here: <http://www.astro.ufl.edu/~warner/IDL5220/HW4w.jpg>).
>> Does anyone know a suitable alternative?
>>
>> Thanks!
>> Jose
>>     

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Re: Basemap help, imshow, transform_scaler

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TkAgg freezing, problems with backend

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Re: Rose plot example?

On Thu, 1 Nov 2007
Alan G Isaac <aisaac@...> wrote:
> <URL:http://www.mail-archive.com/matplotlib-users-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f <at> public.gmane.org/msg01221.html>
>
>hth,

Ah, I sould be able to modify that to do what I need but it's to bad
there isn't a more elegant way than remaping the data and faking the
labels.

Thanks for the quick help.

--

-- 
Jed Frechette
jdfrechette.alturl.com

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