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  • Committer: Bazaar Package Importer
  • Author(s): Stuart Prescott
  • Date: 2011-05-20 00:13:52 UTC
  • mto: (9.1.1 experimental)
  • mto: This revision was merged to the branch mainline in revision 8.
  • Revision ID: james.westby@ubuntu.com-20110520001352-odcuqpdezuusbbw1
Tags: upstream-0.11.1
Import upstream version 0.11.1

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gallery/path/knot.txt
 
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Paths with constant distance
 
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The example shows how to create paths with constant distance. This is achieved
 
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with the aid of `deformer.parallel`, which has already been used in the above
 
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example. ...
 
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The first part of the example code is only for creating the middle line of the
 
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knot. In order to obtain a nicely curved rope, we smooth the such defined curve
 
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a bit.
 
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The individual parts of the knot must be stroked in a very specific way in
 
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order to achieve the correct overlapping of the knot. To this end, we split the
 
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base curve into five pieces.
 
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The key element of the example is the use of `deformer.parallel` which creates
 
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the curves with constant distance from the base curve. We apply the deformer
 
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four times, thus creating the outline path of two individual ropes, which
 
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parallel follow the shape of the knot.