[gis_info] interactive GIS web maps question

[karsten vennemann]

Sorry for the empty emails before...
Here it goes ...
 
Hi Erik,
 
there are many option in open source Web GIS and I encourage you to look at
a JavaScript client called OpenLayers (OL)  <http://www.openlayers.org>
www.openlayers.org . OL can be used to pull in data from many sources
including base street maps such as Google, and Microsoft Virtual Earth and
your own data. 
 
One of the most important/far reaching decisions for your project will be if
you will want/ or have to publish your own data... If so  you have to have
some kind of server where you can install your software (for example a map
rendering engine such as MapServer or Geoserver) host the data (and database
e.g. PostGIS. Below is a list of some options for servers:
 
>From most expensive (1) to cheapest (4) here are some options for a GIS
server:
 
1. Amazon EC2server 10c/US /hour = about $72 US /month
<http://aws.amazon.com/ec2/> http://aws.amazon.com/ec2/
2. "web assisted hosting" - everything installed:
<http://www.hostgis.com/assisted/> http://www.hostgis.com/assisted/ (50$ a
month is cheap for this ! )
3.  <http://www.slicehost.com/> http://www.slicehost.com/ virtual server
"slice" starting at 20$/month
4. "Shared hosting" Account e.g. at Dreamhost for 5.95 - 9.95 $ US/month
<http://www.dreamhost.com> http://www.dreamhost.com
With Code "ZPULLEYFULL" (compare
<http://www.reprojected.com/geoblog/category/gis-projects/>
http://www.reprojected.com/geoblog/category/gis-projects/ ) then the first
year is only  23$ US (Code discount is $97 US!). To install something there
is a little tricky, but here are instructions to do it:
<http://www.reprojected.com/geoblog/how-tos/gis-on-a-shared-hosting-environm
ent-the-magic-of-not-having-root/>
http://www.reprojected.com/geoblog/how-tos/gis-on-a-shared-hosting-environme
nt-the-magic-of-not-having-root/ 
 
Below is an extract from an email I sent yo other people asking me about
similar topics to get you started:
 
Implementing Web GIS Solutions using open source software (by Karsten 
Vennemann)
<http://terragis.net/docs/presentations/open_source_gis_overview_terragis_20
08.pdf>
http://terragis.net/docs/presentations/open_source_gis_overview_terragis_200
8.pdf - prepared for a talk at the 2008 WAURISA Conference 
 
The State of Open Source GIS (by Paul Ramsey, 42pp) 
 <http://terragis.net/docs/presentations/TheStateofOpenSourceGIS.pdf>
http://terragis.net/docs/presentations/TheStateofOpenSourceGIS.pdf. 
This is an excellent Introduction to Open Source Geospatial Software 
Projects. 
 
Web Sites listing a plethora of OS Geospatial projects (also quoted in
document 1 above - if this appears to be too much of a Jungle for you  start
with reading the overviews above first) 
      Free GIS Project  <http://www.freegis.org/> http://www.freegis.org/ 
      Open Source GIS list  <http://opensourcegis.org/>
http://opensourcegis.org/ 
      Map Tools  <http://maptools.org/> http://maptools.org/ 
 

What is Open Source (GIS)? 
Open source means that the source code is available to the general  public
for use, distribution, and modification from its original 
design free of charge (among a long list of other requirements). While most
open source geospatial software is built on the standards of the Open
Geospatial Consortium (OGC) the term “Open Source” it is not synonymous with
Open Standards because both proprietary and open source software can be
compliant with the OGC Open Standards  <http://www.opengeospatial.org>
http://www.opengeospatial.org OSGeo is the organization that supports the
development of the highest quality open source geospatial
software.http://www.osgeo.org 
 
 
If you have more questions do not hesitate to call or send an email I am
happy to help
 
Cheers
Karsten
 

Karsten Vennemann
Principal

Terra GIS LTD
Seattle, WA, USA 
 <http://www.terragis.net> www.terragis.net
Phone 206 905 1711

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