Class ReverseRay3D

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private double end
      The abscissa of the line subset endpoint.
    • Constructor Summary

      Constructors 
      Constructor Description
      ReverseRay3D​(Line3D line, double end)
      Construct a new instance from the given line and 1D end location.
      ReverseRay3D​(Line3D line, Vector3D endPoint)
      Construct a new instance from the given line and end point.
    • Field Detail

      • end

        private final double end
        The abscissa of the line subset endpoint.
    • Constructor Detail

      • ReverseRay3D

        ReverseRay3D​(Line3D line,
                     Vector3D endPoint)
        Construct a new instance from the given line and end point. The end point is projected onto the line. No validation is performed.
        Parameters:
        line - line for the instance
        endPoint - end point for the instance
      • ReverseRay3D

        ReverseRay3D​(Line3D line,
                     double end)
        Construct a new instance from the given line and 1D end location. No validation is performed.
        Parameters:
        line - line for the instance
        end - end location for the instance
    • Method Detail

      • isInfinite

        public boolean isInfinite()
        Return true if the size of the instance is infinite.

        This method always returns true.

        Returns:
        true if the size of the instance is infinite
      • isFinite

        public boolean isFinite()
        Return true if the size of the instance is finite.

        This method always returns false.

        Returns:
        true if the size of the instance is finite
      • getSize

        public double getSize()
        Get the size of the instance.

        This method always returns Double.POSITIVE_INFINITY.

        Returns:
        the size of the instance
      • getStartPoint

        public Vector3D getStartPoint()
        Get the start point for the line subset.

        This method always returns null.

        Specified by:
        getStartPoint in class LineConvexSubset3D
        Returns:
        the start point for the line subset, or null if no start point exists
      • getSubspaceStart

        public double getSubspaceStart()
        Get the 1D start location of the line subset or Double.NEGATIVE_INFINITY if no start location exists.

        This method always returns Double.NEGATIVE_INFINITY.

        Specified by:
        getSubspaceStart in class LineConvexSubset3D
        Returns:
        the 1D start location of the line subset or Double.NEGATIVE_INFINITY if no start location exists.
      • getEndPoint

        public Vector3D getEndPoint()
        Get the end point for the line subset.
        Specified by:
        getEndPoint in class LineConvexSubset3D
        Returns:
        the end point for the line subset, or null if no end point exists.
      • getSubspaceEnd

        public double getSubspaceEnd()
        Get the 1D end location of the line subset or Double.POSITIVE_INFINITY if no end location exists.
        Specified by:
        getSubspaceEnd in class LineConvexSubset3D
        Returns:
        the 1D end location of the line subset or Double.POSITIVE_INFINITY if no end location exists
      • getCentroid

        public Vector3D getCentroid()
        Get the centroid, or geometric center, of the line subset or null if the subset is empty or infinite.

        This method always returns null.

        Specified by:
        getCentroid in class LineSubset3D
        Returns:
        the centroid of the line subset, or null if the subset is empty or infinite
      • getBounds

        public Bounds3D getBounds()
        Get the 3D bounding box of the line subset or null if the subset is empty or infinite.

        This method always returns null.

        Specified by:
        getBounds in class LineSubset3D
        Returns:
        the 3D bounding box the line subset or null if the subset is empty or infinite
      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object
      • containsAbscissa

        boolean containsAbscissa​(double abscissa)
        Return true if the given abscissa value is contained in the line subset (ie, in the subspace region or one of its 1D boundaries).
        Specified by:
        containsAbscissa in class LineConvexSubset3D
        Parameters:
        abscissa - abscissa to check
        Returns:
        true if abscissa lies on the inside or boundary of the subspace region