[postgis-users] Re: Geospatial LinuxLive distro?

Steven De Vriendt gisaalter at gmail.com
Sat May 27 08:09:13 PDT 2006


Dana,

I don't know if there's a live distro, there's a distro called
hostgis linux http://www.hostgis.com/linux/
but I don't think that's a live cd...

On 5/27/06, dnrg <dananrg at yahoo.com> wrote:
> Thanks Steven. I will have a look at OpenEV.
>
> Do you happen to know if there are any LinuxLive
> distros out there that contain GIS clients like uDig,
> QGIS, GRASS, etc, with some rudimentary spatial data
> to play with? Seems to me like it would be a fun way
> to expose people to open source GIS.
>
> The distro could strip out non-essential,
> non-geospatial apps to make everything fit on one CDR.
>
> If someone hasn't already put an open source
> geospatial LinuxLive distro together, someone should.
> I'd do it myself, but don't have a lot of experience
> with Linux itself (though I used to be a Solaris /
> Tru64 / Irix / sysadmin maaaaany moons ago).
>
> I don't want to install Linux on my laptop at the
> moment, but it would be terrific to boot a LinuxLive
> CDR and be able to sample some of the open source GIS
> clients and analysis tools that are out there for
> Linux.
>
> Dana
>
>
> --- Steven De Vriendt <gisaalter at gmail.com> wrote:
>
> > 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=features
> > 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 at 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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>
>
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