Uses of Class
org.locationtech.jts.math.DD

Packages that use DD
Package
Description
org.locationtech.jts.algorithm
Contains classes and interfaces implementing fundamental computational geometry algorithms.
org.locationtech.jts.math
 
org.locationtech.jts.triangulate.quadedge
Classes to implement a topological subdivision of quadeges, to support creating triangulations and Voronoi diagrams.

  • Uses of DD in org.locationtech.jts.algorithm

    Methods in org.locationtech.jts.algorithm with parameters of type DD
    Modifier and Type
    Method
    Description
    static int
    CGAlgorithmsDD.signOfDet2x2(DD x1, DD y1, DD x2, DD y2)
    Computes the sign of the determinant of the 2x2 matrix with the given entries.

  • Uses of DD in org.locationtech.jts.math

    Fields in org.locationtech.jts.math declared as DD
    Modifier and Type
    Field
    Description
    static final DD
    DD.E
    The value nearest to the constant e (the natural logarithm base).
    static final DD
    DD.NaN
    A value representing the result of an operation which does not return a valid number.
    static final DD
    DD.PI
    The value nearest to the constant Pi.
    static final DD
    DD.PI_2
    The value nearest to the constant Pi / 2.
    static final DD
    DD.TWO_PI
    The value nearest to the constant 2 * Pi.
    Methods in org.locationtech.jts.math that return DD
    Modifier and Type
    Method
    Description
    DD
    DD.abs()
    Returns the absolute value of this value.
    final DD
    DD.add(double y)
    Returns a new DoubleDouble whose value is (this + y).
    final DD
    DD.add(DD y)
    Returns a new DoubleDouble whose value is (this + y).
    DD
    DD.ceil()
    Returns the smallest (closest to negative infinity) value that is not less than the argument and is equal to a mathematical integer.
    static DD
    DD.copy(DD dd)
    Creates a new DoubleDouble with the value of the argument.
    static DD
    DD.determinant(double x1, double y1, double x2, double y2)
    Computes the determinant of the 2x2 matrix with the given entries.
    static DD
    DD.determinant(DD x1, DD y1, DD x2, DD y2)
    Computes the determinant of the 2x2 matrix with the given entries.
    final DD
    DD.divide(double y)
    Computes a new DoubleDouble whose value is (this / y).
    final DD
    DD.divide(DD y)
    Computes a new DoubleDouble whose value is (this / y).
    DD
    DD.floor()
    Returns the largest (closest to positive infinity) value that is not greater than the argument and is equal to a mathematical integer.
    DD
    DD.max(DD x)
    Computes the maximum of this and another DD number.
    DD
    DD.min(DD x)
    Computes the minimum of this and another DD number.
    final DD
    DD.multiply(double y)
    Returns a new DoubleDouble whose value is (this * y).
    final DD
    DD.multiply(DD y)
    Returns a new DoubleDouble whose value is (this * y).
    final DD
    DD.negate()
    Returns a new DoubleDouble whose value is -this.
    static DD
    DD.parse(String str)
    Converts a string representation of a real number into a DoubleDouble value.
    DD
    DD.pow(int exp)
    Computes the value of this number raised to an integral power.
    final DD
    DD.reciprocal()
    Returns a DoubleDouble whose value is 1 / this.
    DD
    DD.rint()
    Rounds this value to the nearest integer.
    final DD
    DD.selfAdd(double y)
    Adds the argument to the value of this.
    final DD
    DD.selfAdd(DD y)
    Adds the argument to the value of this.
    final DD
    DD.selfDivide(double y)
    Divides this object by the argument, returning this.
    final DD
    DD.selfDivide(DD y)
    Divides this object by the argument, returning this.
    final DD
    DD.selfMultiply(double y)
    Multiplies this object by the argument, returning this.
    final DD
    DD.selfMultiply(DD y)
    Multiplies this object by the argument, returning this.
    DD
    DD.selfSqr()
    Squares this object.
    final DD
    DD.selfSubtract(double y)
    Subtracts the argument from the value of this.
    final DD
    DD.selfSubtract(DD y)
    Subtracts the argument from the value of this.
    DD
    DD.setValue(double value)
    Set the value for the DD object.
    DD
    DD.setValue(DD value)
    Set the value for the DD object.
    DD
    DD.sqr()
    Computes the square of this value.
    static DD
    DD.sqr(double x)
    Computes the square of this value.
    DD
    DD.sqrt()
    Computes the positive square root of this value.
    static DD
    DD.sqrt(double x)
     
    final DD
    DD.subtract(double y)
    Computes a new DoubleDouble object whose value is (this - y).
    final DD
    DD.subtract(DD y)
    Computes a new DoubleDouble object whose value is (this - y).
    DD
    DD.trunc()
    Returns the integer which is largest in absolute value and not further from zero than this value.
    static DD
    DD.valueOf(double x)
    Converts the double argument to a DoubleDouble number.
    static DD
    DD.valueOf(String str)
    Converts the string argument to a DoubleDouble number.
    Methods in org.locationtech.jts.math with parameters of type DD
    Modifier and Type
    Method
    Description
    final DD
    DD.add(DD y)
    Returns a new DoubleDouble whose value is (this + y).
    static DD
    DD.copy(DD dd)
    Creates a new DoubleDouble with the value of the argument.
    static DD
    DD.determinant(DD x1, DD y1, DD x2, DD y2)
    Computes the determinant of the 2x2 matrix with the given entries.
    final DD
    DD.divide(DD y)
    Computes a new DoubleDouble whose value is (this / y).
    boolean
    DD.equals(DD y)
    Tests whether this value is equal to another DoubleDouble value.
    boolean
    DD.ge(DD y)
    Tests whether this value is greater than or equals to another DoubleDouble value.
    boolean
    DD.gt(DD y)
    Tests whether this value is greater than another DoubleDouble value.
    boolean
    DD.le(DD y)
    Tests whether this value is less than or equal to another DoubleDouble value.
    boolean
    DD.lt(DD y)
    Tests whether this value is less than another DoubleDouble value.
    DD
    DD.max(DD x)
    Computes the maximum of this and another DD number.
    DD
    DD.min(DD x)
    Computes the minimum of this and another DD number.
    final DD
    DD.multiply(DD y)
    Returns a new DoubleDouble whose value is (this * y).
    final DD
    DD.selfAdd(DD y)
    Adds the argument to the value of this.
    final DD
    DD.selfDivide(DD y)
    Divides this object by the argument, returning this.
    final DD
    DD.selfMultiply(DD y)
    Multiplies this object by the argument, returning this.
    final DD
    DD.selfSubtract(DD y)
    Subtracts the argument from the value of this.
    DD
    DD.setValue(DD value)
    Set the value for the DD object.
    final DD
    DD.subtract(DD y)
    Computes a new DoubleDouble object whose value is (this - y).
    Constructors in org.locationtech.jts.math with parameters of type DD
    Modifier
    Constructor
    Description
     
    DD(DD dd)
    Creates a new DoubleDouble with value equal to the argument.

  • Uses of DD in org.locationtech.jts.triangulate.quadedge

    Methods in org.locationtech.jts.triangulate.quadedge that return DD
    Modifier and Type
    Method
    Description
    static DD
    TrianglePredicate.triAreaDDFast(Coordinate a, Coordinate b, Coordinate c)
     
    static DD
    TrianglePredicate.triAreaDDSlow(DD ax, DD ay, DD bx, DD by, DD cx, DD cy)
    Computes twice the area of the oriented triangle (a, b, c), i.e., the area is positive if the triangle is oriented counterclockwise.
    Methods in org.locationtech.jts.triangulate.quadedge with parameters of type DD
    Modifier and Type
    Method
    Description
    static DD
    TrianglePredicate.triAreaDDSlow(DD ax, DD ay, DD bx, DD by, DD cx, DD cy)
    Computes twice the area of the oriented triangle (a, b, c), i.e., the area is positive if the triangle is oriented counterclockwise.