Process for generating a computer image of a coated three-dimensional object
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United States of America Patent
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May 4, 2004
Grant Date -
Sep 5, 2002
app pub date -
Mar 1, 2001
filing date -
Mar 1, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for the generation of a computer image of a coated, three-dimensional object involves preparing a coating comprising a relevant coating layer with variable layer thickness on one or more test panels; taking a plurality of measurements of one or more optical surface properties as a function of the layer thickness of the relevant coating layer; storing the optical data in a datafile with assignment of the layer thickness of the relevant coating layer; facetting the visible surface(s) of a three-dimensional object by computer into a sufficient number of flat polygonal areas each being sufficiently small for the sufficiently accurate description of the surface topography; assigning layer thickness of the relevant coating layer and associated optical data in each case to each individual polygonal area by computer; and assembling the polygonal areas into a computer image of the three-dimensional object.
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