Communications of the ACM
A Digital Take on 'remembering the Alamo'
A project to preserve the Alamo is using 3D laser stanning and photogrammetry to gther information to gather data on the impact of erosion and weather on the historic structure.
Credit: Flickr/KnowsPhotos
The Texas General Land Office is working with several Texas universities on a project to preserve the Alamo by using three-dimensional (3D) laser scanning and photogrammetry to gather information about the impact of erosion, heat, and cold on the historical building.
Texas A&M University students and professors are now finishing up the data collection that began last year and will soon move on to analysis. The University of Texas also is participating in the effort.
The group is recording information about the Alamo's surface, which will be combined with academic documents such as drawings, plans, and texts to obtain the most accurate information possible. High-resolution models and images were created through 3D laser scanning and photogrammetry, which the site's conservator can use to answer specific questions about the building.
In addition, the researchers are creating 2D and 3D models of the structure as it existed at notable points in history, such as 1836, the year of the historic battle. The group says that information could yield new historical information that otherwise would have been lost.
From Government Technology
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