[Carto] Sample Map Rendering Input File

[George Silva]

I will look into Shapely.

George

On Fri, Apr 9, 2010 at 3:30 PM, Landon Blake <lblake at ksninc.com> wrote:

> Jean-Denis,
>
> I skimmed the web site and documentation for Shapely. It looks like a handy
> lib and maybe even easier than OGR. :]
>
> Landon
> Office Phone Number: (209) 946-0268
> Cell Phone Number: (209) 992-0658
>
> -----Original Message-----
> From: Jean-Denis Giguere [mailto:jdenisgiguere at gmail.com]
> Sent: Thursday, April 08, 2010 7:42 PM
> To: Landon Blake
> Cc: Carlos Gabriel Asato; carto at lists.osgeo.org; sean.gillies at gmail.com
> Subject: Re: [Carto] Sample Map Rendering Input File
>
> Greetings!
>
> I'm just yet another new suscriber of carto... ;-) I'm not a Python
> GIS guru, but I have a lot of interest on this side. You will find my
> 2¢ below.
>
> 2010/4/8 Landon Blake <lblake at ksninc.com>:
> > It sounds like Python is the winner.
>
> Nice! I think we won't be disappointed by this choice.
>
> I poke Sean Gillies, which may be interested by this project. I'm sure
> he could give us very valuable advices.
>
> >
> > Carlos: Do you have experience with Python? If you do, can you help with
> the
> > following questions:
> >
> >
> >
> > (1)     What is the best Python library to use for parsing XML?
>
> There ara many options, do we need a full featured libraries with
> extended functions or a more simple/lightweight library?
> Do we want to limit dependencies using built-in functions as much as
> possible?
>
> >
> > (2)     Is there an existing Python library for parsing WKT?
>
> shapely (http://trac.gispython.org/lab/wiki/Shapely ) . It does much
> more than reading WKT.
>
> >
> > (3)     I believe we can use OGR for reading ESRI Shapefiles. Is this
> what
> > you would recommend?
> >
>
> OGR support would be interesting because you get support for many
> formats at once.
>
> > (4)     Is there an existing library that can take some sort of vector
> > geometries and convert them to rasters? (Something like the Java 2D
> graphics
> > library?)
>
> shapely have some related features. It can be use with matplotlib
> which may be (or not) interesting for this project.
>
> >
> >
> >
> > Now that I think about it, using a vector format like EPS or SVG might be
> > easier than raster for the first output of the sample rendering engine.
>
> matplotlib supports many output formats, this may be helpful for
> prototyping and maybe more.
>
>
> Best regards,
>
>
> Jean-Denis
>
>
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-- 
George R. C. Silva

Desenvolvimento em GIS
http://blog.geoprocessamento.net
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