METHODS AND APPARATUS FOR CONTROLLING ACCESS TO A VIRTUAL WHITE LINE (VWL) IMAGE FOR AN EXCAVATION PROJECT
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United States of America Patent
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Issued Date -
Jul 9, 2015
app pub date -
Sep 8, 2014
filing date -
Feb 11, 2009
priority date (Note) -
Abandoned
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Abstract
Methods and apparatus for facilitating detection of a presence or an absence of at least one underground facility within a dig area. Source data representing one or more input images of a geographic area including the dig area is electronically received at a first user location, which may be remote from the dig area. The source data is processed so as to display at least a portion of the input image(s) on a display device. One or more indicators are added to the displayed input image(s), via a user input device associated with the display device, to provide at least one indication of the dig area and thereby generate a marked-up digital image. A limited access file comprising information relating to the marked-up image may be transmitted to at least one party associated with the at least one underground facility.
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