Create std::units module (#6528)
Signed-off-by: Nick Cameron <nrc@ncameron.org>
This commit is contained in:
		@ -19,7 +19,7 @@ pitchDiameter = module * nTeeth
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pressureAngle = 20
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addendum = module
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deddendum = 1.25 * module
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baseDiameter = pitchDiameter * cos(toRadians(pressureAngle))
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baseDiameter = pitchDiameter * cos(units::toRadians(pressureAngle))
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tipDiameter = pitchDiameter + 2 * module
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gearHeight = 3
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@ -36,7 +36,7 @@ rs = map(
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angles = map(
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  rs,
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  f = fn(r) {
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    return toDegrees(    acos(baseDiameter / 2 / r))
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    return units::toDegrees(    acos(baseDiameter / 2 / r))
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  },
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)
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@ -44,7 +44,7 @@ angles = map(
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invas = map(
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  angles,
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  f = fn(a) {
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    return tan(toRadians(a)) - toRadians(a)
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    return tan(units::toRadians(a)) - units::toRadians(a)
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  },
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)
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@ -77,8 +77,8 @@ fn leftInvolute(i, sg) {
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}
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fn rightInvolute(i, sg) {
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  x = rs[i] * cos(toRadians(-toothAngle + toDegrees(atan(ys[i] / xs[i]))))
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  y = -rs[i] * sin(toRadians(-toothAngle + toDegrees(atan(ys[i] / xs[i]))))
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  x = rs[i] * cos(units::toRadians(-toothAngle + units::toDegrees(atan(ys[i] / xs[i]))))
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  y = -rs[i] * sin(units::toRadians(-toothAngle + units::toDegrees(atan(ys[i] / xs[i]))))
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  return line(sg, endAbsolute = [x, y])
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}
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@ -114,8 +114,8 @@ keyWay = startSketchOn(body, face = END)
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  |> xLine(length = keywayDepth)
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  |> yLine(length = -keywayWidth)
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  |> xLine(length = -keywayDepth)
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  |> arc(angleStart = -1 * toDegrees(startAngle) + 360, angleEnd = 180, radius = holeRadius)
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  |> arc(angleStart = 180, angleEnd = toDegrees(startAngle), radius = holeRadius)
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  |> arc(angleStart = -1 * units::toDegrees(startAngle) + 360, angleEnd = 180, radius = holeRadius)
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  |> arc(angleStart = 180, angleEnd = units::toDegrees(startAngle), radius = holeRadius)
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  |> close()
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  |> extrude(length = -gearHeight)
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