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The Science behind Google Earth

The Science behind Google Earth | Educated | Scoop.it

"Google is using a new technology to automatically generate  3D buildings from 45-degree angle aerial photography made by overlapping passes of aircraft.  The aerial photos are combined to create 3D models."


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Annenkov's curator insight, April 16, 2014 12:46 AM

This technology of visualization I would name "3D landscape"

Mirta Liliana Filgueira's curator insight, April 16, 2014 8:40 PM

Tecnología para generar imágenes en 3D con Google Earth

Sid McIntyre-DeLaMelena's curator insight, May 29, 2014 2:06 PM

Google Earth has made the Earth easier to decipher and examine in a geographical sense of location and place by being able to see multiple layers. This article goes into the 3D designs and usage of aerial photography to create 3D images.

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Interactive Earth at Night

Interactive Earth at Night | Educated | Scoop.it

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Giovanni Della Peruta's curator insight, January 14, 2013 11:54 AM

Thanks to Nic Hardisty

Giovanni Della Peruta's comment, January 14, 2013 12:02 PM
Very good comment, Seth
سعيد محمد's comment, January 15, 2013 11:03 AM
ok
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2012 Election Cartograms

2012 Election Cartograms | Educated | Scoop.it

I'm sure most of you have seen the 2008 version of these fantastic maps and cartograms and they've been a go-to reference for me since the last election.  The typical red state/blue state map conceals much concerning the spatial voting patterns in the United States and fails to account for the population densities of these distributions.  That's what makes this county level voting maps and cartograms so valuable.  

 

Questions to Ponder: What new patterns can you see in the county map that you couldn't see in the state map?  What do the cartograms tell you about the United States population?  

 

Tags: cartography, mapping, rural, zbestofzbest.


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Wilmine Merlain's curator insight, November 1, 2014 11:16 PM

I'm really glad at how the cartographer of this map was able to properly demonstrate the way the American population voted during the 2012 presidential  election. Unlike the map that we are accustomed to seeing on television during political elections. What I appreciate about this map is how it tries to represent the way in which Americans caste their votes. While you'd be led to believe that certain states voted a particular way, this map proves otherwise. Another thing that this map does is represent the states that are widely considered to be Republican, and Democratic. States that tend to be in favor of GDP are conservative states, such as that of the south with the exception of FL, and the rest of the country being fairly liberal. Nonetheless, this is definitely and interesting and telling map of our patterns as voters.

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Where Does Your Water Come From?

Where Does Your Water Come From? | Educated | Scoop.it

This interactive map documents where 443 million people around the world get there water (although the United States data is by far the most extensive).  Most people can't answer this question.  A recent poll by The Nature Conservancy discoverd that 77% of Americans (not on private well water) don't know where their water comes from, they just drink it.  This link has videos, infographics and suggestions to promote cleaner water.  This is also a fabulous example of an embedded map using ArcGIS Online to share geospatial data with a wider audience.  

 

Tags: GIS, water, fluvial, environment, ESRI, pollution, development, consumption, resources, mapping, environment depend, cartography, geospatial. 


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Nic Hardisty's comment, October 15, 2012 9:01 AM
I was definitely unaware of where my drinking water came from. This is nice, user-friendly map... Hopefully it gets updated regularly, as it will be interesting to see how these sources change over time.
Bonnie Bracey Sutton's curator insight, July 1, 2013 3:55 PM

water is a resource we all depend on. Some of my best studies were on local Chesapeake Bay issues.

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When Google Earth Goes Awry

When Google Earth Goes Awry | Educated | Scoop.it

"These jarring moments expose how Google Earth works, focusing our attention on the software. They reveal a new model of representation: not through indexical photographs but through automated data collection from a myriad of different sources constantly updated and endlessly combined to create a seamless illusion; Google Earth is a database disguised as a photographic representation. These uncanny images focus our attention on that process itself, and the network of algorithms, computers, storage systems, automated cameras, maps, pilots, engineers, photographers, surveyors and map-makers that generate them.”


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Seth Dixon's curator insight, August 23, 2013 11:06 AM

The quote above from Clement Valla shows some of the problems with trusting too completely in a form of technology if you are not sure how it works or what its limitations are.  What does he mean when he says "Google Earth is a database disguised as a photographic representation?"  What does this have to do with the term metadata?   


Tags: cartography, visualization, mapping, art, google.

Mary Rack's curator insight, August 26, 2013 10:10 AM

This post represents a "sub-issue" which underlies many of today's  decisions: How much "information" is really a composite of items that may or may not be related? And how many of our decisions are based on those constructs? As a result, are we liviing in a "house of cards", a fantasy world that is sure to collapse around us one day? It's a scary thought. 

Gregory S Sankey Jr.'s curator insight, September 12, 2013 9:55 AM

I understand that this article mostly depicts the inherent limitations with our current technology within GIS systems but I mostly just found these images to be eerily and awkwardly beautiful. Art made accidentely. Thank-you flawed technology.

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Generate Simple World Maps

Generate Simple World Maps | Educated | Scoop.it
Free travel tip and photos from all over the world...

 

This map is not a professionally produced map and that is the beauty of this website. Virtually anyone can make a 1-feature world map by simply clicking on a checklist all of the countries you want highlighted on your map. Second, open the file and add some text and a few lines to label it. This took less than 20 minutes to make with no need for any cartographic or GIS experience (this PNG didn't compress well, the full image of this map can be seen here).


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Seth Dixon's curator insight, November 30, 2012 10:04 PM

This map is not a professionally produced map and that is the beauty of this website.  Virtually anyone can make a 1-feature world map by simply clicking on a checklist all the countries you want highlighted on your map.  Second, opened the file and added some text and a few lines to label it.  This took 20 minutes to make with no need for any cartographic or GIS experience  (this PNG didn't compress well, the full image of this map can be seen here).

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Trekking the Grand Canyon for Google Maps

Trekking the Grand Canyon for Google Maps | Educated | Scoop.it

The term "street view" in Google Maps is continually getting stretched as the world's oceans, canyons, mountains and even cemeteries are being added to this ever-expanding database. 

 

Tags: Google, mapping, cartography, geospatial, cemetery. 


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