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bit of cleanup

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Pomax
2017-04-15 12:21:12 -07:00
parent 667fbfae0b
commit 842fd8e344
35 changed files with 185 additions and 230 deletions
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components/sections/arclengthapprox/content.en-GB.md
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@@ -4,7 +4,7 @@ Sometimes, we don't actually need the precision of a true arc length, and we can
If we combine the work done in the previous sections on curve flattening and arc length computation, we can implement these with minimal effort:
<Graphic preset="twopanel" title="Approximate quadratic curve arc length" setup={this.setupQuadratic} draw={this.draw} onKeyDown={this.props.onKeyDown} />
<Graphic preset="twopanel" title="Approximate cubic curve arc length" setup={this.setupCubic} draw={this.draw} onKeyDown={this.props.onKeyDown} />
<Graphic title="Approximate quadratic curve arc length" setup={this.setupQuadratic} draw={this.draw} onKeyDown={this.props.onKeyDown} />
<Graphic title="Approximate cubic curve arc length" setup={this.setupCubic} draw={this.draw} onKeyDown={this.props.onKeyDown} />
Try clicking on the sketch and using your up and down arrow keys to lower the number of segments for both the quadratic and cubic curve. You may notice that the error in length is actually pretty significant, even if the percentage is fairly low: if the number of segments used yields an error of 0.1% or higher, the flattened curve already looks fairly obviously flattened. And of course, the longer the curve, the more significant the error will be.