Sample projects

 

Most projects result in reports that cover designs, specifications, or management strategies, but some result in samples, like ones shown here.  We pride ourselves in the application of rigorous photogrammetric methods to achieve engineering-quality results.  We use a variety of image data sources to extract information, such as existing historic photography, new images taken from airplanes or drones, or cameras that are hand-held or pole-mounted.  

 

This work is done by academically trained and licensed engineers, having decades of experience in the field.  State of the art software and methods are utilized, such as rigorous camera calibrations and precise, survey-quality ground control.  In other words, we can easily help you defend your case in court, and survive detailed scrutiny.  

 

 

 

 

 

 

                PHOTOGRAMMETRIC MAPPING

This is an orthoimage of a surface holding dinosaur footprints.  The technical difficulty here was that this surface is inclined 32 degrees from horizontal.  The resulting map was prepared for the Dinosaur Museum in Morrison, Colorado, using hand-held and pole-mounted digital photos.  

 

 

 

 

 

                         EXCAVATION MAPPING AND VOLUMES

This contour map of an excavation site that was 1000 x 1000 feet in size, and 100 feet deep.  This project was also done with hand-held photography, under very difficult conditions for photogrammetry (January 3rd, afternoon, very dark and long shadows, 10 degrees F, low sun hitting most photo frames).  

 

 

 

                                             STOCKPILE VOLUMES

This is a large stock pile that was digitized from terrestrial photography for the purpose of calculating its volume.   Normally, volume calculations are offered at an accuracy of 5% of volume, but we pride ourselves to consistently providing results with less than a 2% error.  

 

IMAGES AND THE LAW
There are precedents in the use of images and photography in the courts. This 29-page document brings together comments from five companies (three lawyers and two engineers). It provides practical case examples, and a chapter of legal considerations.
IMAGES AND THE LAW.pdf
Adobe Acrobat document [1.7 MB]
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