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For many years, Greg had sought to produce a method for deriving an etching / photo engraving type of picture from a digital image.
Based on his experience designing and programming a set of Photoshop compatible plug-in filters (see above) he developed the additional equations
which resulted in the pico linea process.
Although the overall procedure uses some of his plug-in filters, the picolinea process is not a simple click and watch automatic process.
The production of an image is an interactive artistic process usually entailing between 30 and 40 individual steps with many interim print outs and adjustments.
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The process produces two forms - picolinea noire and picolinea blanc.
In the noire version,
the shadows are retained in their dark form, whereas in the blanc version, the shadows are brightened to show
underlying detail.
As with certain styles of etching, since picolinea images are edge and shadow based, the sky is nearly always portrayed as pure white.
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