Package geomss.geom

Class GeomPointTrans

    • Method Detail

      • newInstance

        public static GeomPointTrans newInstance​(GeomPoint child,
                                                 GTransform transform)
        Returns a 3D GeomPointTrans instance holding the specified GeomPoint and GTransform.
        Parameters:
        child - The point that is the child of this transform element (may not be null).
        transform - The transform held by this transform element (may not be null).
        Returns:
        the transform element having the specified values.
        Throws:
        DimensionException - if the input element is not 3D.
      • getTotalTransform

        public GTransform getTotalTransform()
        Returns the total transformation represented by an entire chain of GeomTransform objects below this one.
        Specified by:
        getTotalTransform in interface GeomTransform<GeomPoint>
        Returns:
        The total transformation represented by an entire chain of GeomTransform objects below this one.
      • setTransform

        public void setTransform​(GTransform transform)
        Sets the transformation represented by this transformation element.
        Specified by:
        setTransform in interface GeomTransform<GeomPoint>
        Parameters:
        transform - The transform to set this transform element to (may not be null).
      • recycle

        public static void recycle​(GeomPointTrans instance)
        Recycles a GeomPointTrans instance immediately (on the stack when executing in a StackContext).
        Parameters:
        instance - The instance to be recycled.
      • immutable

        public Point immutable()
        Return an immutable version of this point.
        Specified by:
        immutable in class GeomPoint
        Returns:
        An immutable version of this plane.
      • getPhyDimension

        public int getPhyDimension()
        Returns the number of physical dimensions of the geometry element. This implementation always returns 3.
        Specified by:
        getPhyDimension in interface GeomElement<GeomPoint>
        Returns:
        The number of physical dimensions of this geometry element.
      • getValue

        public double getValue​(int i)
        Returns the value of the Parameter in this point as a double, stated in this point's unit.
        Specified by:
        getValue in class GeomPoint
        Parameters:
        i - the dimension index.
        Returns:
        the value of the Parameter at i.
        Throws:
        java.lang.IndexOutOfBoundsException - (i < 0) || (i ≥ dimension())
      • getValue

        public double getValue​(int i,
                               javax.measure.unit.Unit<javax.measure.quantity.Length> unit)
        Returns the value of a coordinate in this point as a double, stated in the specified unit.
        Specified by:
        getValue in class GeomPoint
        Parameters:
        i - the dimension index.
        unit - the unit to return the value in. May not be null.
        Returns:
        the value of the Parameter at i in the specified unit.
        Throws:
        java.lang.IndexOutOfBoundsException - (i < 0) || (i ≥ dimension())
      • normSqValue

        public double normSqValue()
        Returns the square of the Euclidean norm, magnitude, or length value of the vector from the origin to this point (the dot product of the origin-to-this-point vector and itself). This is slightly faster than calling normValue if the squared value is all that is needed.
        Specified by:
        normSqValue in class GeomPoint
        Returns:
        this.normSq().getValue().
        See Also:
        GeomPoint.normValue()
      • plus

        public Point plus​(GeomPoint that)
        Returns the sum of this point with the one specified. The unit of the output point will be the units of this point.
        Specified by:
        plus in class GeomPoint
        Parameters:
        that - the point to be added. May not be null.
        Returns:
        this + that.
        Throws:
        DimensionException - if point dimensions are different.
      • plus

        public Point plus​(Parameter<javax.measure.quantity.Length> that)
        Adds the specified parameter to each component of this point. The unit of the output point will be the units of this point.
        Specified by:
        plus in class GeomPoint
        Parameters:
        that - the parameter to be added to each component of this point. May not be null.
        Returns:
        this + that.
      • minus

        public Point minus​(GeomPoint that)
        Returns the difference between this point and the one specified. The unit of the output point will be the units of this point.
        Specified by:
        minus in class GeomPoint
        Parameters:
        that - the point to be subtracted from this point. May not be null.
        Returns:
        this - that.
        Throws:
        DimensionException - if point dimensions are different.
      • minus

        public Point minus​(Parameter<javax.measure.quantity.Length> that)
        Subtracts the specified parameter from each component of this point. The unit of the output point will be the units of this point.
        Specified by:
        minus in class GeomPoint
        Parameters:
        that - the parameter to be subtracted from each component of this point. May not be null.
        Returns:
        this - that.
      • opposite

        public Point opposite()
        Returns the negation of this point (all the values of each dimension negated).
        Specified by:
        opposite in class GeomPoint
        Returns:
        -this
      • times

        public Point times​(double k)
        Returns the product of this point with the specified coefficient.
        Specified by:
        times in class GeomPoint
        Parameters:
        k - the coefficient multiplier.
        Returns:
        this ยท k
      • isValid

        public boolean isValid()
        Return true if this point contains valid and finite numerical components. A value of false will be returned if any of the coordinate values are NaN or Inf.
        Specified by:
        isValid in interface GeomElement<GeomPoint>
        Overrides:
        isValid in class GeomPoint
        Returns:
        true if this geometry element contains valid and finite data.
      • copy

        public GeomPointTrans copy()
        Returns a copy of this GeomPointTrans instance allocated by the calling thread (possibly on the stack).
        Specified by:
        copy in interface GeomElement<GeomPoint>
        Specified by:
        copy in class GeomPoint
        Returns:
        an identical and independent copy of this point.
      • getUnit

        public javax.measure.unit.Unit<javax.measure.quantity.Length> getUnit()
        Returns the unit in which the values in this point are stated in.
        Specified by:
        getUnit in interface GeomElement<GeomPoint>
        Returns:
        The unit in which the geometry in this element are stated.
      • to

        public GeomPointTrans to​(javax.measure.unit.Unit<javax.measure.quantity.Length> unit)
                          throws javax.measure.converter.ConversionException
        Returns the equivalent of this GeomPointTrans object that has a child point in the specified units.

        WARNING: If the unit changes, then the returned transform element DOES NOT refer back to the original point (the link with the original point is broken).

        Specified by:
        to in interface GeomElement<GeomPoint>
        Specified by:
        to in interface PointGeometry<GeomPoint>
        Parameters:
        unit - the length unit of the point to be returned. May not be null.
        Returns:
        an equivalent to this point but stated in the specified unit.
        Throws:
        javax.measure.converter.ConversionException - if the the input unit is not a length unit.
      • toVector3D

        public Vector3D<javax.measure.quantity.Length> toVector3D()
        Returns a Vector3D representation of this transformed point if possible.
        Overrides:
        toVector3D in class GeomPoint
        Returns:
        A Vector3D that is equivalent to this transformed point
        Throws:
        DimensionException - if this point has any number of dimensions other than 3.
      • toFloat64Vector

        public Float64Vector toFloat64Vector()
        Returns the values stored in this transformed point, stated in this point's unit, as a Float64Vector.
        Specified by:
        toFloat64Vector in class GeomPoint
        Returns:
        A Float64Vector containing the values stored in this point in the current units.
      • toDimension

        public GeomPointTrans toDimension​(int newDim)
        Return the equivalent of this point converted to the specified number of physical dimensions. This implementation will throw an exception if the specified dimension is anything other than 3.
        Specified by:
        toDimension in interface GeomElement<GeomPoint>
        Parameters:
        newDim - The dimension of the point to return. MUST equal 3.
        Returns:
        The equivalent of this point converted to the new dimensions.
        Throws:
        java.lang.IllegalArgumentException - if the new dimension is anything other than 3.
      • equals

        public boolean equals​(java.lang.Object obj)
        Compares this GeomPointTrans against the specified object for strict equality (same values and same units).
        Overrides:
        equals in class AbstractGeomElement<GeomPoint>
        Parameters:
        obj - the object to compare with.
        Returns:
        true if this point is identical to that point; false otherwise.
      • main

        public static void main​(java.lang.String[] args)
        Tests the methods in this class.
        Parameters:
        args - Command-line arguments (not used).