Archive for the ‘KML’ Category

Take10 for the 2010 Census

Wednesday, March 24th, 2010

In March 2010, more than 130 million addresses will receive a 2010 Census form by mail or hand delivery. The 2010 Census will document the changes in our nation since the last decennial census in 2000, and tell us how we’ve evolved as a country. Because census data affect how more than $400 billion in federal funding is distributed to tribal, state and local governments, the census also will frame the future of our country and our communities for the next 10 years.

During Census 2000, the mail participation rate was 72 percent as of the April 2000 cut-off. About $85 million is saved for every one percent increase in mail participation. For these and many other reasons, we encourage everyone to participate in the 2010 Census.

The 2010 Census “Take10″ campaign includes an interactive map that allows you to see your current participation rates at state, county, and local levels and to compare them to your Census 2000 rates of participation. In support of the Census Take10 effort, Innovation Landscape in partnership with Google has built a Google Earth version of the participation map for use by the media and public.

We invite you to explore our map, link to it, and embed it in your website to help encourage maximum participation in the Take10 campaign.

Google Earth Take10 Map

New Developer Features in Google Earth 5.0

Monday, February 2nd, 2009

Google Earth 5.0 is deservedly a major applicaiton release.  While the new Ocean, Mars, and Historical Imagery features are getting a lot of the immediate attention, there are significant changes to the underlying KML engine that will enable developers to create much more featured 3rd party applications.

Google has updated their KML documentation and have highlighted new and updated features.

Here are some quick highlights:

1. New gx:altitudeMode tags which provide ‘clampedToSeaFloor’ and ‘relativeToSeaFloor’ options for overlays, placemarks, etc…  See our 3D Nautical Chart exampe at

2. New <gx> tags for Animated Tours.  These tags can be used to programmatically create Tours based on the new Tour Recorder options.  You can control location, viewpoint, view time (see #5 below), balloon pop-ups, and even audio narrations – all via KML.

3. Major Upgrade to the Balloon Window HTML rendering engine

  • Now based on WebKit (as is Google Chrome)
  • Support for most CSS
  • Support for most Javascript
  • No support for cookies
  • Links to Local Content disabled by default (unless within a KMZ file) – users can override in the Google Earth options menu.  
  • Support for iframes (no cookies) – see our YouTube Interactive Query demo
4. Polygons and Lines are now ‘hot’ clickable.  This can create user-interaction issues with complex datasets so it’s best to check previous KML to make sure it still works as expected.  Polygons will now autofill if normal/highlight behavior’s been set – also a potential issue if you have multiple overlapping polygons.
I’ll add additional changes as I find them.
5. You can now specify gx:timeStamps in LookAt and Camera views.  Google Earth will set the sun angle and historical imagery accordingly.  New documentation in the KML Time reference.