GeoLabs

Some great news for those interested in the convergence between Ruby/Rails and Geospatial applications. Kashif and I will be giving a tutorial at RailsConf in Berlin. There is going to be 3 hr tutorial titled Rails GIS Hacks, where we will be going through some pretty nifty stuff such as RESTful geospatial applications development. [...]

Wetlands are regarded by nature conservationist as unique ecosystems. They often exhibit delicately balanced environmental conditions and support a wide range of exotic plant and animal species. Wetlands are also often protected by various environmental laws and conventions. Last year when I was visiting Pakistan I learned about the Pakistan Wetlands Project that is under [...]

With a dearth of street data for Pakistan on the default mapping resource of the world (Googlemaps) I decided to try putting up some of the data I had lying around the house. Using Geoserver as a WMS layer on top of Google maps results were quite impressive. Here's Karachi and the tomb [...]

OSDC 2006 starts tomorrow in Melbourne with a keynote from Randal Schwarts. Today I attended the pre-conference tutes which included a most usefull session by Jonathan Oxer. The talk titled "Large Scale Webapps: DevTeam Infrastructure" gave a run down on how software development process at his company is automated and streamlined. The automation [...]

Yes i know that looks like ArcGIS… that’s because it is. I did a screen cast of what we (Minh & myself) have manged to complete of the WCS client its far from finished. The image below is from the part where i opened the downloaded data in ArcGIS to process.
Enjoy this for now, [...]

When i read the news regarding the Map24 API now being free — i couldn’t wait to get my developers key… making my way to their website i actually decided to read the blurb above the shiny ‘Get API Key’ button, it said they may advertise on the map and the page-hits are limited to [...]

… announcing yet another take on getting PostGIS working with Ruby on Rails. Our goal (well, one of them) is to make it easy to arrange for web-based presentation of geographic data, with mouse-sensitive polygons, line-strings, and the like. The code is still quite new, but it’s to the point that other people [...]

For those new to creating mapfiles Tydac have a nice set of examples that won’t intimidate you HERE

Check out some of the upcoming standards from OCG in action
http://www.opengeospatial.org/demo/ows3/
There is some more info about the test here:
OGC Web Services, Phase 3 (OWS-3)™
the upcoming standards include:
Open Location Services - OpenLS™
Sensor Web Enablement and OpenGIS SensorWeb™
Geo Digital Rights Management (GeoDRM) WG (GeoDRM WG)™

IE ver less than 7 has issues with transparancy in 24-bit images. Its particularly important for WebGIS app design. In ka-map for example you may want to show 24 bit GIS layers of different extents overlayed.
UPDATE: May’06 Current cvs head of ka-map fixes this.