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  Brought to you by Professional Surveyor Magazine                                                                  January 18, 2011—No. 34

I fly UltraCam

LiDAR for Dummies: Free eBook Gives LiDAR for DummiesLowdown on Lidar

You don't have to be a dummy to want to read LiDAR for Dummies. Are you interested in learning about leading-edge geospatial technology that is faster, cheaper (up to 40% cheaper than conventional photogrammetry, see page 21), and more accurate than conventional photogrammetric methods? Do you have a spare hour or so to read a short (22 pages) but information-dense book? Can you afford "free"?     
    Seriously, there are two minor caveats: 1) This book is part of a promotional effort by DLT Solutions, a Master Government Reseller for Autodesk. Although they do use the book to promote their services, their promotions are compartmentalized and restrained. They do not interfere with, nor introduce bias into, the editorial content. 2) The material is slanted towards government work, particularly transportation-infrastructure applications. However its information is applicable to virtually any scanning project, by any entity governmental or not.
    The book begins with a basic definition of lidar and then moves onto "LiDAR 101" describing the technology and terminology in greater detail as well as application considerations such as weather, vegetation and subject-area relief. Continuing in are chapters on aerial, mobile and terrestrial platform considerations; processing the resultant point-cloud data; and the last chapter "Top Ten Questions You May Have about LiDAR" which rounds out the book with answers to frequently asked questions.
    If you are considering purchasing, leasing or outsourcing lidar to improve your firm's productivity and profitability, LiDAR for Dummies is well worth your time. Download the PDF eBook through this link. You do have to donate your email address, but for a free information-packed technical book, it seems a fair trade.

Until next time,
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USGS Topographic Maps Available for PDF Maps iOS AppPDF Maps
Avenza Systems Inc., producers of MAPublisher cartographic software for Adobe Illustrator and Geographic Imager spatial tools for Adobe Photoshop, announced the release of USGS (United States Geological Survey) topographic maps for use on the PDF Maps app, a geospatial PDF reader for Apple iOS devices including the iPhone, iPad, and iPod Touch. Visit for more information.

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C3 Releases Software Development Kit for Creating Geo-Location Apps on Photo-Realistic 3D Maps of 100 Cities
C3 Technologies releases its first software development kit (SDK) for creating search, navigation and geo-location desktop and mobile applications that utilize the company’s photo-realistic 3D maps. The C3 SDK comes with 3D maps of San Francisco and London for developing and testing applications that can work with the more than 100 maps in the C3 database of cities and regions in the U.S., U.K., central Europe and Scandinavia. An additional 22 cities, including major metro areas in Asia and South America, are scheduled for release in April.

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Nottingham's Underground Cave City
Mapped with 3D Lasers

An incredible and historic complex of caves under the city of Nottingham has a past that includes giving passage to sieging soldiers in the 1300s to housing an underground butcher centuries later. Now it's all been mapped, thanks to a thorough 3D laser scan. For the whole story including video, hop over to Gizmodo's website.

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Trimble Launches Mobile GIS Developer Community
The new site provides a rich and growing selection of developer tools and services, hosted within the Trimble Connected Community (TCC) portal. The online community provides members with access to software tools and services as well as documentation, a developer forum, knowledge base and support resources.

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