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List:       postgis-users
Subject:    Re: [postgis-users] Downloading PostGIS for Windows installer -
From:       "Steven De Vriendt" <gisaalter () gmail ! com>
Date:       2006-05-27 14:01:33
Message-ID: 8d2ea9d70605270701h1126b277h455f48f8c3d4ff85 () mail ! gmail ! com
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Dana,

Take a look at the OpenEV toolkit; OpenEV comes with FWTools;
you'll find it here:
http://fwtools.maptools.org/ and here
http://openev.sourceforge.net/index.php?page=3Dfeatures
I don't know if it'll fullfill all of your raster analysis needs, but
it won't hurt
taking a look.

Steven



On 5/27/06, dnrg <dananrg@yahoo.com> wrote:
> Thanks Steven.
>
> I should have finished my coffee and scrolled further
> down on Mark's page. I found what I needed here:
>
> PostGIS 1.1.2 release for PostgreSQL 8.1 (inc. GEOS
> 2.2.1/PROJ 4.4.9 ~1.2Mb)
>
> http://www.webbased.co.uk/mca/pg81/postgis-pg81-setup-1.1.2-1.exe
>
> Saw an older 8.0 PostgreSQL version and didn't scroll
> any further. Mea culpa.
>
> What are people here using as an ArcMap substitute and
> why?
>
> Obviously there is uDig, which I'm going to download.
> But for advanced analysis, it seems like QGIS as a
> front-end to GRASS is an option. For now, I'm looking
> for an all-windows solution - not sure I want to mess
> with Cygwin, which GRASS seems to require.
>
> So, what's the best open source ArcMap substitute on
> the Windows platform with strong analysis
> capabilities.
>
> In particular, I am looking for something that does
> raster analysis well (roughly equivalent to ESRI's
> Spatial Analyst [SA]) - one application is that I need
> to generate what is known in SA as Zonal Statistics.
>
> I have a parcel shapefile and and raster. I need to
> summarize the raster cell values beneath each vector
> parcel zone.
>
> This is easy to do in Spatial Analyst, and it provides
> a number of statistics that you can then attach as
> attributes to the shapefile, e.g. MAX, MEAN, MODE, and
> my favorite, MAJORITY (which cell value appears most
> frequently inside any given parcel).
>
> Actually, I'm wondering if there's a difference
> between MODE and MAJORITY. From my spatial statistics
> course, I recall that MODE is the most popular /
> (literally, most fashionable in French) value. Or
> maybe ESRI uses MAJORITY as a synonym for MODE. Been
> awhile since I've used Spatial Analyst.
>
> Sorry for the digressions, but it's Saturday and thus
> it may be "slow list day." :-)
>
> Dana
>
>
>
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