Class SpiralPath

A spiral shaped path. See the Mathematica file Rollercurves.nb for construction.

Properties

arc1rx: number = ...

right point of upper arc

arc1x: number = -2.50287

center of upper arc

arc1y: number = 5.67378

center of upper arc

arc2y: number = ...

center of lower arc

shi: number = 25.9566

t value at outside of spiral

shix: number = 2.20424

outside point of spiral

shiy: number = 2.38089

outside point of spiral

slo: number = 4.91318

t value at inside of spiral

slox: number = 0.122489

inside point of spiral

sloy: number = -0.601809

inside point of spiral

t1: number = ...

end of upper arc

t2: number = ...

end of left vertical line

t3: number = ...

end of lower arc

t4: number = ...

end of horiz line, start of spiral

t5: number = ...

end of spiral

t6: number = ...

end of diagonal line

t7: number = ...

top of upper arc

Methods

• Name of this object, either the language-independent name for scripting purposes or the localized name for display to user.

The language-independent name should be the same as the English version but capitalized and with spaces and dashes replaced by underscore, see Util.toName and nameEquals.

Parameters

• `Optional`opt_localized: boolean

`true` means return the localized version of the name; default is `false` which means return the language independent name.

Returns string

name of this object

• Whether this ParametricPath has the given name, adjusting for the transformation to a language-independent form of the name, as is done by Util.toName.

Parameters

• name: string

the English or language-independent version of the name

Returns boolean

whether this ParametricPath has the given name (adjusted to language-independent form)

• Sets whether the path is a closed loop, ending at the same point it starts.

Parameters

• value: boolean

whether the path is a closed loop

Returns void

• Sets the ending value for `t` in the parameteric equation defining the path.

Parameters

• value: number

ending value for `t`

Returns void

• Sets the starting value for `t` in the parameteric equation defining the path.

Parameters

• value: number

starting value for `t`

Returns void

• Returns the `x` value for the given value of `t` in the parametric equation.

Parameters

• t: number

the value of `t` in the parametric equation

Returns number

the `x` value for the given value of `t`

• Returns the `y` value for the given value of `t` in the parametric equation.

Parameters

• t: number

the value of `t` in the parametric equation

Returns number

the `y` value for the given value of `t`

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