[Live-demo] iPython Notebook, SciPy and IRIS

[Angelos Tzotsos]

On 12/21/2013 04:37 AM, Alex Mandel wrote:
> On 12/20/2013 02:31 PM, maplabs at light42.com wrote:
>> Hi All -
>>
>>
>>     I am doing a few small experiement with XUbuntu 12.04.3 and the current repos..
>>
>> As some already know, I am advocating using python "distribute" / pip  to add
>> python assets
>>
>>
>>     I have installed ipython (1.1) and numpy using pip and the results look good.
>> You may
>>
>> know that iPython Notebook has gained a significant user base in the science
>> community since the
>>
>> last Live release.
>>
>>
>>     I went to install matplotlib, and had to add a few things.. libpng12-dev and
>> libfreetype6-dev
>>
>> which we already use...Otherwise all went well..
>>
>>
>>     I notice that install_IRIS.sh has quite a few of the same dependancies as the
>> SciPy stack,
>>
>> yet uses apt to install the python assets.  unless someone else jumps in, over
>> the break I will
>>
>> likely try re-arranging those install lines and see how that works out..
>>
>>
>>     In general I think there is a lot of stability in using python pip to get the
>> required packages.
>>
>>
>> --
>>
>> Brian M Hamlin
>>
>> OSGeo California Chapter
>>
>> blog.light42.com
>>
> The biggest issue this presents is for users who install and use
> OSGeoLive as their desktop as the upgrade path becomes muddled since apt
> no longer knows what's installed. Instructions on how to pip upgrade for
> end users might help a little.
>
> What would really be awesome is something like the cran2deb project
> where R package are by script converted into debs so they are always up
> to date via apt. So a pypi2deb ppa would be pretty sweet.
>
> Also on the Postgis 2.1 topic, all that's needed is to get Ubuntugis to
> update their package and all should be good again. Good to know you have
> a potential workaround.
>
> Thanks,
> Alex
>
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>

I agree with Alex here, users will have no idea what is installed 
through apt.
This does not only apply for IPython but for others that still use "pip 
install".

As for PostGIS 2.1, in the new ppa all packages were rebuilt against new 
PostgreSQL 9.3

Cheers,
Angelos

-- 
Angelos Tzotsos
Remote Sensing Laboratory
National Technical University of Athens
http://users.ntua.gr/tzotsos