Selva Compute API Reference - v2.1.0
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    Class Sphere

    Index

    Constructors

    constructor

    Properties

    center diameter isValid northPole radius southPole

    Methods

    closestParameter closestPoint encode latitudeDegrees latitudeRadians longitudeDegrees longitudeRadians normalAt pointAt toBrep toJSON toNurbsSurface decode

    Constructors

    • Parameters

      • center: number[]
      • radius: number

      Returns Sphere

    Properties

    center: number[]

    Gets or sets the center point of the sphere.

    diameter: number

    Gets or sets the diameter for this sphere.

    isValid: boolean

    Gets a value that indicates whether the sphere is valid.

    northPole: number[]

    Gets the point at the North Pole of the sphere. This is the parameterization singularity that can be obtained, at V value +Math.Pi/2.

    radius: number

    Gets or sets the Radius for this sphere.

    southPole: number[]

    Gets the point at the South Pole of the sphere. This is the parameterization singularity that can be obtained, at V value -Math.Pi/2.

    Methods

    • Parameters

      • testPoint: number[]

        Point to project onto the sphere.

      Returns object

      [boolean, number, number] (boolean) true on success, false on failure. This function will fail if the point it coincident with the sphere center. (number) The longitudinal angle (in radians; 0.0 to 2pi) where the sphere approaches testPoint best. (number) The latitudinal angle (in radians; -0.5pi to +0.5pi) where the sphere approaches testPoint best.

      Finds the angle parameters on this sphere that are closest to a test point.

    • Parameters

      • testPoint: number[]

        Point to project onto Sphere.

      Returns number[]

      Point on sphere surface closest to testPoint.

      Returns point on sphere that is closest to given point.

    • Returns object

      A js object.

      Encodes a sphere to json formatted data.

    • Parameters

      • degrees: number

        An angle in degrees for the meridian.

      Returns Circle

      A circle.

      Computes the parallel at a specific latitude angle. The angle is specified in degrees.

    • Parameters

      • radians: number

        An angle in radians for the parallel.

      Returns Circle

      A circle.

      Computes the parallel at a specific latitude angle. The angle is specified in radians.

    • Parameters

      • degrees: number

        An angle in degrees.

      Returns Circle

      A circle.

      Computes the meridian at a specific longitude angle. The angle is specified in degrees.

    • Parameters

      • radians: number

        An angle in radians.

      Returns Circle

      A circle.

      Computes the meridian at a specific longitude angle. The angle is specified in radians.

    • Parameters

      • longitudeRadians: number

        A number within the interval [0, 2pi].

      • latitudeRadians: number

        A number within the interval [-pi/2, pi/2].

      Returns number[]

      A vector.

      Computes the normal at a specific angular location on the sphere.

    • Parameters

      • longitudeRadians: number

        A number within the interval [0, 2pi].

      • latitudeRadians: number

        A number within the interval [-pi/2,pi/2].

      Returns number[]

      A point value.

      Evaluates the sphere at specific longitude and latitude angles.

    • Returns Brep

      Converts this sphere is it Brep representation

    • Returns object

      A js object.

      Encodes a sphere to json formatted data. Internally calls encode()

    • Returns NurbsSurface

      A nurbs surface representation of this sphere or null.

      Converts this sphere to its NurbsSurface representation. This is synonymous with calling NurbsSurface.CreateFromSphere().

    • Parameters

      • json: object

        A js object in the following format:

        { 
        		Radius: <number>,
        		EquatorialPlane: {
        			Origin: { X: <number>, Y: <number>, Z: <number> },
        			XAxis: { X: <number>, Y: <number>, Z: <number> },
        			YAxis: { X: <number>, Y: <number>, Z: <number> },
        			ZAxis: { X: <number>, Y: <number>, Z: <number> }
        		}
        }

      Returns Sphere

      Decodes js formated sphere data into a Sphere

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