Re: [Matplotlib-users] Basemap - UTM Support

[Benjamin R. <ben...@ou...>]

Nick,

Just to be clear, cartopy is intended to supersede basemap, but there are
still many advantages at the moment to basemap over cartopy. The codebase
is much more mature, and it is much easier to install than cartopy. I still
regularly use basemap because I don't need the more advanced features of
cartopy (yet).

This isn't to discourage you from cartopy, just simply to help put the
utility of the projects in the right context.

Cheers!
Ben Root


On Wed, May 13, 2015 at 6:20 PM, Nick Eubank <nic...@gm...> wrote:

> Thanks Don. The consensus seems to be that I need to move to Cartopy,
> which apparently supersedes Basemap.
>
> (Just realized the helpful responses I received weren't cc'd to the list,
> so responding here for the record).
>
> On Wed, May 13, 2015 at 1:47 PM Don Morton <don...@bo...>
> wrote:
>
>> Hi,
>>
>> I only partially know what I'm talking about, but what the heck.  Have
>> you considered pyproj (which Basemap is apparently built on)?  Pyproj seems
>> to support any kind of projection you could even imagine, and a quick
>> ggogle suggests UTM would be included.
>>
>> I had to learn all about this to some depth in order to teach it last
>> summer to a group in Vienna, and I have slides at
>>
>>
>> https://sites.google.com/a/borealscicomp.com/zamg-scientific-python-aug-sep-2014/home
>>
>> and if you go to course slides, 06-PlottingMetData, starting at about
>> Slide 60, I have some examples which lead up to Basemap.  My intent was to
>> try to get students to understand the how and why of plotting grids in
>> projections, then moving on to Basemap.  This way they might have a better
>> idea of how to deal with Basemap when things go wrong.  I think I just
>> confused them, though :)
>>
>> At any rate, I haven't tried it, but I think it would be fairly simple to
>> do what you want, IF you understand some of the low-level aspects.  But,
>> maybe UTM is harder than I am imagining.
>>
>> All the best,
>>
>> Don Morton
>>
>>
>>
>> ---
>> Don Morton, Owner/Manager
>> Boreal Scientific Computing LLC
>> Fairbanks, Alaska USA
>> http://www.borealscicomp.com/
>> http://www.borealscicomp.com/Miscellaneous/MortonBio/
>>
>> On Mon, May 11, 2015 at 4:45 PM, Nick Eubank <nic...@gm...>
>> wrote:
>>
>>> Hi All,
>>>
>>> Trying to move from ArcGIS into pure python GIS, but am a little
>>> surprised to find that UTM is not (directly) supported as a projection.
>>> Going through the machinations in the utmtest.py file
>>> <https://github.com/matplotlib/basemap/blob/ee6a2f7f95b7a5eff022fcbb2800d7c50b8c97b5/examples/utmtest.py>
>>> every time I want to plot a map in UTM seems a little unwieldy.
>>>
>>> Please excuse my ignorance, but is there a reason it is so hard to
>>> support / any plans to integrate in the future / any other easier paths to
>>> plotting UTMs I don't know about?
>>>
>>> Thanks,
>>>
>>> Nick
>>>
>>>
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