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the unknown spiral

by Lazur URH

2014-10-08 10:39:51

Uploaded as a request. Looking for parametric curve definition to produce this kind of imagery, as it is now an approximation. The idea is the following: in technical drawings for example, giving an object a particular tone is achieved by hatching. Hatching may consist of parallel lines, drawn with the same line weights. But how could someone make an angled hatch in a polar way -meaning anything but concentric circles-? Still keeping a consistent tone at the end. Any ideas? Archimedean spirals are a close match if the width of the stroke is 0, but not this case.

2014 Lazur URH approximation curve derive even function geometry hatching line math parallel parameters parametric path plotter request complete spiral stroke tone
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