Map your data with the Maps API and Fusion Tables

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Punkter på et kort er BARE ikke nok ... Nej, gem i stedet data i FusionTables og vis dem på Google Map ... En dag (snart?) vil data fra ESRI/MapInfo bo i skyen og blive vist på Google ... Ét kort - mange kilder ...

/Sik

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A few points on a map is so NOT enough ... Store data in FusionTables and visualized in GM ... One day (soon?) ESRI /MapInfo GIS data in the Cloud will too ... One map - many sources ...

/Sik

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If you have ever tried to plot a very large number of overlays on an API map you have probably reached a point at which the performance of your application begins to suffer. With one hundred or so markers, most browsers cope just fine, and clustering solutions like Fluster can help support more. But if you have thousands of overlays that you wish to show, rendering them individually can be problematic.

The Maps API v3 now offers two solutions to this problem. If you have a large volume of geospatial data that can be served as KML, the KmlLayer class can render up to 50,000 features as an overlay that does not impact performance on any browser. To support data sets that are structured as tables, such as a database or spreadsheet, we have also now added the FusionTablesLayer class for rendering data stored in Google Fusion Tables.

Google Fusion Tables is a fascinating new experimental Google Research project offering storage, search, and management of large structured data sets in the cloud. Up to 100MB of data can be stored per table, and each row in a table can have an associated location, line, or polygon feature. Using the FusionTablesLayer class you can render features on an API map as a clickable overlay. When a feature is clicked, the application can access a copy of the complete row of data associated with the feature.

Fusion Tables also supports an SQL like query language, which you can use to filter the features shown on a map. The below map visualises mountain biking trails uploaded to Fusion Tables by mtbguru.com. The slider allows you to filter trails by their length, and the trails shown on the map are updated accordingly. If you click on a trail a custom dialog is shown which indicates the elevation profile for the trail concerned.

The FusionTablesLayer also supports rendering data sets as a heatmap. The below map of beaches in Brazil illustrates the benefit of this. When rendered as point features it is difficult to tell the relative density of the beaches without zooming in further. However once you switch to displaying the data as a heatmap the high density of beaches west of Rio de Janeiro becomes immediately clear.

The combination of Fusion Tables with the Maps API makes it easy to host large sets of data in the cloud, and visualise them in your Maps API application. It is quick and simple to get up and running with Fusion Tables, and the addition of the FusionTableLayer class to Maps API v3 enables Maps applications to be tightly coupled with data hosted in Fusion Tables. Give it a try, and let us know what you think of this experiment in the Groups!

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Read more: http://googlegeodevelopers.blogspot.com/2010/05/map-your-data-with-maps-api-and-fusion.html

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Dit liv i tal

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Er det en evig søgen efter udødelighed ... eller blot en måde at føle sig levende på? Del alt med dine omgivelser ellers kan man (andre) ikke mærke at jeg lever ...

The Truman Show med modsat fortegn ...

/Sik

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Only Danish ...

/Sik

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Mål dig selv. Den store dille i San Francisco området lige nu er at indsamle data om sig selv ved hjælp af teknologi som mobiltelefoner og skridttællere. En gang om måneden mødes cirka 100 mennesker og diskuterer deres data, som de undervejs har delt over nettet. Er privatlivet dødt? Når vi samler og deler data om vores meget personlige forhold – ja, faktisk også om vores gener – så rejser spørgsmålet om privatlivets fred sig også. Hvor går grænsen?

Oprindelig lydkilde (harddisken_100526.mp3)

Fortæl historien om dit liv med tal i stedet for ord. Fra vandreture med GPS til vægt og DNA – det hele kan bruges!

Det er budskabet fra gruppen the quantified self – det kvantificerede selv – der med base i San Francisco har bredt sig ud over hele USA.

Hver måned mødes en gruppe mennesker, der forsker i sig selv og diskuterer deres resultater. Harddisken har mødt to af stifterne – Gary Wolf og Kevin Kelly – for at finde ud af, hvorfor det pludselig er blevet interessant at bruge teknologi til at indsamle data om ens hverdagsliv og dele disse data med andre mennesker.

Er privatlivet dødt?

Når vi samler og deler data om vores meget personlige forhold – ja, faktisk også om vores gener – så rejser spørgsmålet om privatlivets fred sig også. Hvor går grænsen? Er der overhovedet nogen grænse for hvad vi kan dele og med hvem? Det kigger vi på blandt andet i forbindelse med Facebook og den nyeste ballade om deres indstillinger for privatliv.

Måske er vi allerede langt forbi det der med privatlivet. Den tyske futurist Christian Heller mener i hvert fald, at vi allerede befinder os i en situation med post-privatliv.

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Read more: http://www.dr.dk/harddisken

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Making Mapping an Accessory to a Crime

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Anvend online kort i forbindelse med planlægning af indbrud eller terrorisme vil ive dig hhv. 1 eller 10 år ekstra i spjældet ...

/Sik

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In short: using maps for burglarization or terrorism will add either 1 or 10 years to your sentence ...

/Sik

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Read more: http://gislounge.com/mapping-during-a-crime/

Via: GIS Lounge

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Environmentalists Roll Out National Ad Targeting Mountaintop Coal Mining

When most of us flip on the lights (or type into our computers, for that matter), we aren’t thinking about how those simple acts might affect those living in coal country. Yet nearly half of the country’s electricity is generated by coal, and increasingly that coal is being extracted not by removing the coal from the earth, but by removing the earth from the coal.

In Appalachia, that means blowing the tops off mountains to get at the coal seams inside — a process that cuts company costs, but also ravages neighboring communities, poisoning wells and waterways, contaminating air, killing off wildlife and flooding nearby homes. Leading scientists say the effects are irreversible.

This week, a coalition of Appalachian environmentalists launched a campaign they hope will mitigate the disconnect between the electricity Americans use and the devastating processes that keep it so cheap, unveiling a national TV ad that could bring mountaintop removal into living rooms nationwide. The idea is simple: If consumers knew they were contributing to the destruction of the country’s oldest mountains, perhaps they would demand an end to the practice.

For effect, the ad borrows from one of the most famous commercials in the history of television: Lyndon Johnson’s 1964 “Daisy Girl” spot, in which a young girl plucking flower petals looks up to see a nuclear explosion in the distance. In the MTR version, of course, the nuclear blast is replaced by the elimination of an Appalachian peak.

“These are the stakes,” the narrator says. “We can allow the land, water and people of Appalachia to be sacrificed. Or end mountaintop removal coal mining.”

If the explosions aren’t enough to captivate interest, the coalition has brought on Ashley Judd, a longtime MTR critic, as the narrator.

Source:
Washington Independent, "Environmentalists Roll Out National Ad Targeting Mountaintop Coal Mining", accessed May 26, 2010

From the Inbox: Its time to pause Arctic Drilling

TAKE ACTION: Time to Pause Arctic Oil Drilling!
	Plans are already in place to drill in the pristine waters of America's Arctic Ocean starting in July. Tell Pres. Obama to pause offshore oil drilling in America's Arctic Ocean!
Dear Friend, BP's oil well blowout in the Gulf of Mexico is one of the worst environmental disasters in decades. The response by federal regulators and the companies responsible for this catastrophe is inadequate, and much more needs to be done. Adding insult to injury, we learn more each day about how the Minerals Management Service (MMS) went out of its way to serve the oil industry's desires rather than apply the laws and rules meant to oversee it. But while the oil begins to reach shores, killing birds and other wildlife and destroying miles of coastal wetlands, plans are already in place to drill in the pristine waters of America's Arctic Ocean starting in July. We need your help to keep this from happening. An oil spill in these waters would mean a catastrophic loss of whales, seals, birds, fish and polar bears, and would have devastating impact on the Native communities that rely on the bounty of the Arctic Ocean. The Coast Guard went on record, saying that there are limited resources and capabilities to respond to a large oil spill in the remote Arctic Ocean, where sea-ice and storms significantly limit the ability to clean up spilled oil. But, just like its treatment of Deepwater Horizon in the Gulf, MMS did not even analyze or disclose the effects of a large oil spill before approving Shell's Arctic drilling plans, because the agency claimed a large spill was "too remote and speculative an occurrence" to warrant analysis. In light of the Gulf spill, the Secretary of the Interior must reexamine his decision to approve the plans without analyzing the effects of a large oil spill. National and regional environmental groups are pushing the Obama administration to reconsider its Arctic drilling approvals with ads in the New York Times and Washington Post. This week, we're running a television ad on CNN nationwide and on other networks right in Washington, D.C. to send a strong message to decision makers that we need a time out on Arctic drilling. Our message is being heard, but we need your help to push for a strong, clear commitment that takes a cautious, science-based approach to Arctic oil drilling. Obama's Department of Interior can suspend new exploratory drilling in the Arctic, and should do so immediately until a full and independent review of the regulatory and industry failures in the Gulf of Mexico spill is completed. Time is running out as Shell could begin drilling as soon as July 4th. Please tell President Obama to pause offshore oil drilling in America's Arctic Ocean: http://action.earthjustice.org/campaign/arcticshell_0510/i37iwdu4z75ji56e? We have a responsibility to protect, not exploit, these pristine waters. — Earthjustice Because the earth needs a good lawyer

From the Inbox: Join Robert Redford in calling on Obama to lead us to a clean energy future

Donate Join NRDC and help protect the planet's wildlife and wild places Explore Subscribe to NRDC Online, our weekly newsletter, for news you can use Plug In Connect to Switchboard, the NRDC blog Reach Out Send messages in style with our beautiful nature postcards Update Use your Action Center Profile to manage your subscriptions and personal info May 27, 2010 Join Robert Redford in calling on President Obama to lead us to a clean energy future The ongoing oil disaster in the Gulf of Mexico is a painful reminder that the nation's energy system is broken. In response, long-time NRDC trustee Robert Redford has created a powerful new public service announcement calling on the Obama administration to help get America off oil and jumpstart a clean energy future. The only way to guarantee that we can avoid future disasters like the one in the gulf is to minimize our reliance on oil. Comprehensive clean energy and climate legislation would reduce demand for oil, promote innovative new technologies and create an incentive to get the oil we do need from existing onshore wells. Instead of sending billions of taxpayer dollars overseas to hostile governments, our leaders should be investing that money here at home in American technology. We need President Obama to lead America to a clean energy future by working with the Senate to develop and pass strong comprehensive energy and climate legislation. What to do Join Robert Redford in calling on President Obama to help jumpstart a clean energy revolution. Watch the PSA, and then send a message urging President Obama to lead America to a clean energy future by working with the Senate to develop and pass strong legislation that cuts our dependence on oil, puts a limit on global warming pollution and ensures another oil spill disaster doesn't happen again. First U.S. offshore wind farm approved Last month we asked you to urge the Obama administration to give final approval to Cape Wind, which would be America's first offshore wind project, located in federal waters off Cape Cod, Massachusetts. You sent more than 12,000 comments to the administration and we're thrilled to report that on April 28th (after a review process that had gone on for almost nine years), Interior Secretary Salazar announced the facility's approval. Not only will this help America begin developing offshore wind energy while protecting our ocean resources, it also paves the way for other facilities nationwide. Thanks to everyone who helped achieve this remarkable victory for clean energy!

From the Inbox: Shut down the largest MTR mine in West Virginia

	Tell the EPA to stop Spruce Mine Photo by Matt Wasson Dear Friend, This Spring, the Obama administration said it would take "unprecedented steps" to reduce the impacts of mountaintop removal coal mining (MTR). One of the first tests of their new approach to protecting Appalachia is the battle over the Spruce Mine permit. Arch Coal wants to make the Spruce No. 1 Mine the largest mountaintop removal site in West Virginia. Since the 1990's, Arch has proposed a mine site that would blow apart the mountain, bury more than seven miles of headwater streams, damage 2,278 acres of forest and severely pollute the water supply adjacent to the mine. Simply put, this is immoral and illegal. Please take action today and submit a public comment to the EPA in support of their veto of the Spruce Mine. The EPA has stated their intention to veto the Spruce No. 1 Mine permit. But before they will issue their final decision, they are seeking comments from the public. That means all of us! The coal industry is spending big money on this and lobbying hard, so we need your help to tell the EPA to listen to science, not corporate money. Support the EPA's veto of Spruce No. 1 Mine by submitting your public comment today. Thank you for taking action to protect our mountains. For the mountains, Amanda Starbuck Global Finance Campaign