[Freegis-list] Categories for search or browse on freegis.org
sylvain_duclos at yahoo.com
Thu Jul 19 17:19:23 CEST 2001
You might want to check the IOC/UNESCO site IODE on
Marine GIS where you can find a bunch of stuff
that could be relevant/inspiring to your endeavour;
-- GIS tutorial (starting from square one)
-- free sofware (some GPL'ed)
--- Jan-Oliver Wagner <jan at intevation.de> wrote:
> Dear all,
> this monday Heiko <heiko at intevation.de> has
> joined the FreeGIS team for the rest of the
> We plan to work on the following three
> topics (in the given order):
> 1. improve the freegis.org site with
> improved browse and search
> opportunities including several
> other changes.
> 2. release an updated version 1.1.1
> of the FreeGIS CD.
> 3. write a tutorial for performing
> typical GIS operations with
> free GIS products (initial version
> in German, translations would be nice).
> Of course the tutorial will be under
> FDL :-)
> We already started with the first topic.
> The FreeGIS site should offer search
> via several kinds of categories similar to,
> but not the same as freshmeat.net.
> Each entry may belong to one or
> more categories.
> We want to start with three
> categories of which the first
> is the most important one:
> Application type
> Operating system
> Programming language
> We defined a set of categories
> (see below) for the application type.
> We would be happy if you
> could comment upon it, hint on errors
> or missing categories.
> Application type
> Base GIS
> Applications that provide basic processing
> routines for geo-data.
> Among basics there are geo-referencing,
> buffering and blending.
> Programs that generate (usually
> multi-dimensional) presentations of
> the given geo-data, enabling visual
> and other data analysis.
> Interactive Viewing
> Applications to interactively
> explore geo-data.
> Programms for realtime-analysis, processing, and
> visualisation of gps-data.
> GPS is the acronym for Global Positioning System.
> With GPS you are able to locate yourself in a
> system by means of bow-beats to at least 3
> Common used systems are navstar-pgs (USA), glonass
> and in near future gallileo (EU).
> Remote Sensing
> Programs that process, analyse and present
> data obtained via remote sensing.
> Remote Sensing is a touch-free satellite- air- or
> aktive (radar, laserscanning, sonar, ...) or
> (photo, infrared-image, digital-image) observation
> Web Mapping
> Web Mapping applications offer to present maps
> (vektor and/or raster) interactively on the web
> (ie. via http).
> Typical base functions are zooming and scrolling
> the map
> (navigating the map) as well as map-anchored
> hyperlinks (URLs) and
> object identification.
> Geographic data packages.
> Geo-Data covers data explaining objects,
> land shapes and infrastructure at
> the surface of the earth, including a spatial
> Tools for realising free or predefined flights over
> digital terrain models.
> File-format Conversion
> Tools that convert form one file format for
> to one or many others.
> Projection Conversion
> Tools and applications for transfering geo-data
> one into another projection.
> A projection is the visualisation of a point in
> n - dimensions onto a point of lesser dimension,
> e.g. 3 or 4 dimensions.
> The projections can be orthographic, stereographic,
> equal area, equal angle, equal distance and many
> Customizable with Add-ons
> Packages/Applications that support adding
> custom applications on-top (e.g. various kinds
> of geo-data based simulations such as
> floods, run-off, clouds, etc).
> Anything not fitting into the other categories
> or related to 'fun with GIS'.
> Jan-Oliver Wagner
> Intevation GmbH
> Freegis-list mailing list
> Freegis-list at intevation.de
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