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experimental tangents and normals

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Pomax
2017-04-11 20:38:43 -07:00
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components/sections/arclength/content.en-GB.md
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@@ -98,4 +98,4 @@ We can program that pretty easily, provided we have that *f(t)* available, which
If we use the Legendre-Gauss values for our *C* values (thickness for each strip) and *t* values (location of each strip), we can determine the approximate length of a Bézier curve by computing the Legendre-Gauss sum. The following graphic shows a cubic curve, with its computed lengths; Go ahead and change the curve, to see how its length changes. One thing worth trying is to see if you can make a straight line, and see if the length matches what you'd expect. What if you form a line with the control points on the outside, and the start/end points on the inside?
<Graphic preset="simple" title="Arc length for a Bézier curve" setup={this.setupCurve} draw={this.drawCurve}/>
<Graphic title="Arc length for a Bézier curve" setup={this.setupCurve} draw={this.drawCurve}/>