CascadeStudio_3D_Manual

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function equationGherkin(x)
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{
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    let pt1 = x*x - 144*x + 5184;
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    let pt2 = pt1 / 11664;
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    let pt3 = 1-pt2;
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    let pt4 = Math.sqrt(pt3);
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    let y   = 28.25 * pt4;
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    return y
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}
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// evaluate the function starting a height h=0
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let h = 0;
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let c0 = [equationGherkin(h),h];
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let calculatedGherkin = new Sketch(c0)
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for (let hi = 1; hi <= 180; hi+=4)
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{
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    calculatedGherkin.LineTo( [ equationGherkin(hi) , hi])
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}
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calculatedGherkin.LineTo([0,180])
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calculatedGherkin.LineTo([0,0])
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calculatedGherkin.LineTo(c0);
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calculatedGherkin.End();
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// calculatedGherkin.Face();
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// revolve the sketch
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Rotate( [1,0,0],90,
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        Revolve(calculatedGherkin.Face()
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                ,360,[0,1,0], true, true
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                )
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        )