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SimActive Introduces New Aerial Triangulation Module

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Tuesday, January 15th 2013
SimActive Inc. | Montreal, Canada


SimActive Inc., a world-leading developer of photogrammetry software, is pleased to introduce aerial triangulation (AT) as part of its Correlator3D™ photogrammetry suite. SimActive’s AT is an automated process based on unique algorithms for tie point extraction and advanced minimization techniques for bundle adjustment. Leveraging the GPU and multi-core CPUs, rapid AT is possible allowing entire projects to be processed within minutes.

SimActive designed the module to achieve the highest productivity with the capability of processing even the most demanding of projects, such as those from UAV platforms using consumer grade cameras with only GPS information. Through intense research and development, algorithms were developed for high accuracy results while keeping processing speeds to no more than a few seconds per image. At the same time, significant efforts were put into keeping the workflow simple and logical enabling easy integration into existing workflows and requiring virtually no training to use efficiently.

“We used the latest software technologies to get the most out of modern PCs and developed a high speed AT module”, said Louis Simard, Chief Technology Officer of SimActive. “While performance was a key objective, no compromise was made on the robustness and accuracy of the solution.”

For a live demonstration at India Geospatial Forum 2013 (January 22-24, Hyderabad, India), please send an email to sales@simactive.com.

About SimActive
SimActive is the developer of Correlator3D™ software, a patented end-to-end photogrammetry solution for the generation of high-quality geospatial data from satellite and aerial imagery, including UAVs. Correlator3D™ performs aerial triangulation (AT) and produces dense digital surface models (DSM), digital terrain models (DTM), orthomosaics and vectorized 3D features. Powered by GPU technology and multi-core CPUs, Correlator3D™ ensures matchless processing power to support rapid production of large datasets. SimActive has been selling Correlator3D™ to leading mapping firms and government organizations around the world, offering cutting-edge photogrammetry software backed by exceptional customer support. For more information, visit www.simactive.com.

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Journal News Removes Interactive Gun Permit Map

The Lower Hudson Journal News has been under fire for publishing a map of gun permit holders in two counties in New York State  before Christma. (APB coverage 1, 2, podcast). On Friday January 18 the paper removed the interactive map. Why? Publisher Janet Hasson gave answers in a media statement and in a letter to readers.

In a statement in response to The Poynter Institute (a journalism school) she argued:

With the passage this week of the NYSAFE gun law, which allows permit holders to request their names and addresses be removed from the public record, we decided to remove the gun permit data from lohud.com at 5 pm today. While the new law does not require us to remove the data, we believe that doing so complies with its spirit. For the past four weeks, there has been vigorous debate over our publication of the permit data, which has been viewed nearly 1.2 million times by readers. One of our core missions as a newspaper is to empower our readers with as much information as possible on the critical issues they face, and guns have certainly become a top issue since the massacre in nearby Newtown, Conn. Sharing as much public information as possible provides our readers with the ability to contribute to the discussion, in any way they wish, on how to make their communities safer. We remain committed to our mission of providing the critical public service of championing free speech and open records.

In a letter to readers published on Friday she wrote:

So intense was the opposition to our publication of the names and addresses that legislation passed earlier this week in Albany included a provision allowing permit holders to request confidentiality and imposing a 120-day moratorium on the release of permit holder data.

She goes on to say that during the 27 days the map was online any one interested would have seen it and that the data would eventually be out of date. She also noted that the paper does not endorse the way the state chose to limit availability of the data.

The original map/article still includes a graphic - but it's a snapshot, a raster image, with no interactivity. Says Hasson in the letter to readers:

 And we will keep a snapshot of our map — with all its red dots — on our website to remind the community that guns are a fact of life we should never forget.

I continue to applaud the paper for requesting the data via a Freedom on Informat request, mapping it, keeping the map up despite threats and criticism and now responding to state law. I think the paper did a service to the state, to citizens and to journalism.

- via reader Jim and Poynter

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