Class TLcdGML31Curve

All Implemented Interfaces:
ILcdDataObject, ILcdBounded, ILcdCompositeCurve, ILcdCurve, ILcdEditableCompositeCurve, ILcdShape, ILcdCloneable, ILcdDeepCloneable, ILcdFeatured, ILcdInvalidateable, ILcdSelfDescribedFeatured, Serializable, Cloneable

public class TLcdGML31Curve extends TLcdGML31AbstractCurve implements ILcdEditableCompositeCurve, ILcdInvalidateable
A curve is a 1-dimensional primitive. Curves are continuous, connected, and have a measurable length in terms of the coordinate system. A curve is composed of one or more curve segments. Each curve segment within a curve may be defined using a different interpolation method. The curve segments are connected to one another, with the end point of each segment except the last being the start point of the next segment in the segment list. The orientation of the curve is positive. The element segments encapsulates the segments of the curve.
Since:
10.0
See Also:
  • Field Details

    • SEGMENTS_PROPERTY

      public static final TLcdDataProperty SEGMENTS_PROPERTY
      Data property that maps to the segments element. The possible values for this property are instances of TLcdGML31CurveSegmentArrayProperty.
    • GID_PROPERTY

      public static final TLcdDataProperty GID_PROPERTY
      Property that maps on the gid attribute. Acceptable values for this property are instances of java.lang.String.
  • Constructor Details

    • TLcdGML31Curve

      public TLcdGML31Curve()
    • TLcdGML31Curve

      public TLcdGML31Curve(TLcdDataType aType)
    • TLcdGML31Curve

      public TLcdGML31Curve(ILcdModelReference aSrs)
      Constructs a curve and initializes its model reference (srs).
      Parameters:
      aSrs - the model reference for this object
      See Also:
    • TLcdGML31Curve

      public TLcdGML31Curve(TLcdDataType aDataType, ILcdModelReference aSrs)
      Constructs a curve and initializes its model reference (srs).
      Parameters:
      aDataType - the data type of this curve
      aSrs - the model reference for this object
      See Also:
  • Method Details

    • setSrs

      public void setSrs(ILcdModelReference aValue)
      Description copied from class: TLcdGML31AbstractGeometry
      Sets the value of the SRS_PROPERTY property.
      Overrides:
      setSrs in class TLcdGML31AbstractGeometry
      Parameters:
      aValue - the value to set for the SRS_PROPERTY property.
    • setValue

      public void setValue(TLcdDataProperty aProperty, Object aValue)
      Description copied from interface: ILcdDataObject

      Sets the value of the given property for this data object. The implementation is allowed to throw an exception if the given value can't be set.

      The given property must be declared in the data object's type or in one of its super types. In other words, getDataType().getProperties().contains( aProperty ) should always be true. Otherwise, the implementation should throw an IllegalArgumentException.

      Specified by:
      setValue in interface ILcdDataObject
      Overrides:
      setValue in class TLcdDataObject
      Parameters:
      aProperty - the property for which the value is to be set
      aValue - the value to set
      See Also:
    • invalidateObject

      public void invalidateObject()
      Description copied from interface: ILcdInvalidateable
      Invalidates all cached values of this object. Call this method whenever one or more of this object's compositing values has been changed, to notify this object it needs to recompute its cached values.
      Specified by:
      invalidateObject in interface ILcdInvalidateable
    • getCurves

      public List<ILcdCurve> getCurves()
      Description copied from interface: ILcdCompositeCurve
      Returns a list with the curve's elements. Each sub-curve's end point, except for the last sub-curve, must coincide with the next sub-curve's start point.

      The returned list is not guaranteed to be editable. See ILcdEditableCompositeCurve for an editable variant of this interface.

      Note that this adding curves to the result of calling this method may throw a ClassCastException or IllegalArgumentException in case the class of the curve(s) to add is not compatible with the implementation of the composite curve. Implementations should specify in their documentation all restrictions that apply in this context.

      Specified by:
      getCurves in interface ILcdCompositeCurve
      Returns:
      a list with the curve's elements
    • getStartPoint

      public ILcdPoint getStartPoint()
      Description copied from interface: ILcdCurve
      Retrieves the start point of the curve.

      This is equivalent to computePointSFCT(0).

      Specified by:
      getStartPoint in interface ILcdCompositeCurve
      Specified by:
      getStartPoint in interface ILcdCurve
      Overrides:
      getStartPoint in class TLcdGML31AbstractCurve
      Returns:
      the start point of the curve
    • getEndPoint

      public ILcdPoint getEndPoint()
      Description copied from interface: ILcdCurve
      Retrieves the end point of the curve.

      This is equivalent to computePointSFCT(1).

      Specified by:
      getEndPoint in interface ILcdCompositeCurve
      Specified by:
      getEndPoint in interface ILcdCurve
      Overrides:
      getEndPoint in class TLcdGML31AbstractCurve
      Returns:
      the end point of the curve
    • getStartTangent2D

      public double getStartTangent2D()
      Description copied from interface: ILcdCurve
      Returns the angle of the curve's tangent at the start point, in degrees counterclockwise from the direction at 3 o'clock.

      The tangent orientation is from the start point towards the rest of the shape.

      This is the same as getTangent2D(0).

      Specified by:
      getStartTangent2D in interface ILcdCurve
      Overrides:
      getStartTangent2D in class TLcdGML31AbstractCurve
      Returns:
      the curve's angle in the start point
    • getEndTangent2D

      public double getEndTangent2D()
      Description copied from interface: ILcdCurve
      Returns the angle of the curve's tangent at the end point, in degrees counterclockwise from the direction at 3 o'clock.

      The tangent orientation is from the end point, away from the curve before it.

      This is the same as getTangent2D(1).

      Specified by:
      getEndTangent2D in interface ILcdCurve
      Overrides:
      getEndTangent2D in class TLcdGML31AbstractCurve
      Returns:
      the curve's angle in the end point
    • getTangent2D

      public double getTangent2D(double aParam)
      Description copied from interface: ILcdCurve
      Returns the angle of the curve's tangent in the point defined by the given parameter, in degrees counterclockwise from the direction at 3 o'clock.

      The tangent orientation is from the point at parameter aParam towards the rest of the shape.

      Specified by:
      getTangent2D in interface ILcdCurve
      Overrides:
      getTangent2D in class TLcdGML31AbstractCurve
      Parameters:
      aParam - a value of the closed interval [0,1]
      Returns:
      the curve's angle in the point defined by the given parameter
    • getLength2D

      public double getLength2D(double aParam1, double aParam2)
      Description copied from interface: ILcdCurve
      Returns the length between two points of the curve, defined by the given parameters.
      • When aParam1 == aParam2, the length is 0.
      • When aParam1 == 0 and aParam2 == 1, the length is the whole length of the curve.
      • When aParam1 > aParam2, the length is (aParam1 to 1) + (0 to aParam2).
      Specified by:
      getLength2D in interface ILcdCurve
      Overrides:
      getLength2D in class TLcdGML31AbstractCurve
      Parameters:
      aParam1 - a value of the closed interval [0,1]
      aParam2 - a value of the closed interval [0,1]
      Returns:
      the length of the curve.
    • computePointSFCT

      public void computePointSFCT(double aParam, ILcd3DEditablePoint aPointSFCT)
      Description copied from interface: ILcdCurve
      Computes a point of the curve, defined by the given parameter.
      Specified by:
      computePointSFCT in interface ILcdCurve
      Overrides:
      computePointSFCT in class TLcdGML31AbstractCurve
      Parameters:
      aParam - a value of the closed interval [0,1]
      aPointSFCT - the point to store the computed curve point in
    • getInterpolation

      public String getInterpolation()
      Description copied from interface: ILcdCurve
      Returns the interpolation method used by this curve.

      A set of predefined constants are defined in this interface, which are used by the default ILcdCurve implementations provided by LuciadLightspeed.

      Custom implementations can define their own constants, and use them to interpret the interpolation of the curve.

      Specified by:
      getInterpolation in interface ILcdCompositeCurve
      Specified by:
      getInterpolation in interface ILcdCurve
      Overrides:
      getInterpolation in class TLcdGML31AbstractCurve
      Returns:
      the interpolation method used by this curve.
    • getLineSegmentIntersectionCount

      public int getLineSegmentIntersectionCount(ILcdPoint aP1, ILcdPoint aP2)
      Description copied from interface: ILcdCurve
      Returns the number of intersections between this curve and a line segment defined by the two specified points.

      This information can be used to perform containment calculations, if this curve is closed or if this curve is part of a composite closed curve. By determining the number of intersections between this curve and a line segment starting from a given point in a fixed direction, one can determine whether a point is located within the closed curve by using the even-odd rule.

      Specified by:
      getLineSegmentIntersectionCount in interface ILcdCurve
      Overrides:
      getLineSegmentIntersectionCount in class TLcdGML31AbstractCurve
      Parameters:
      aP1 - the first point of the line segment
      aP2 - the second point of the line segment
      Returns:
      the number of intersections between the curve and the line segment
    • getFocusPoint

      public ILcdPoint getFocusPoint()
      Description copied from interface: ILcdShape
      Returns the focus point of this ILcdShape.
      Specified by:
      getFocusPoint in interface ILcdShape
      Overrides:
      getFocusPoint in class TLcdGML31AbstractGeometry
      Returns:
      the focus point of this ILcdShape.
    • contains2D

      public boolean contains2D(double aX, double aY)
      Description copied from interface: ILcdShape
      Checks whether this ILcdShape contains the given point in the 2D space. Only the first two dimensions of the ILcdShape are considered.
      Specified by:
      contains2D in interface ILcdShape
      Overrides:
      contains2D in class TLcdGML31AbstractGeometry
      Parameters:
      aX - the x coordinate of the point.
      aY - the y coordinate of the point.
      Returns:
      the boolean result of the containment test.
    • contains3D

      public boolean contains3D(double aX, double aY, double aZ)
      Description copied from interface: ILcdShape
      Checks whether this ILcdShape contains the given point in the 3D space.
      Specified by:
      contains3D in interface ILcdShape
      Overrides:
      contains3D in class TLcdGML31AbstractGeometry
      Parameters:
      aX - the x coordinate of the point.
      aY - the y coordinate of the point.
      aZ - the z coordinate of the point.
      Returns:
      the boolean result of the containment test.
    • contains2D

      public boolean contains2D(ILcdPoint aPoint)
      Description copied from interface: ILcdShape
      Checks whether this ILcdShape contains the given ILcdPoint in the 2D space. Only the first two dimensions of the ILcdShape and the ILcdPoint are considered.
      Specified by:
      contains2D in interface ILcdShape
      Overrides:
      contains2D in class TLcdGML31AbstractGeometry
      Parameters:
      aPoint - the ILcdPoint to test.
      Returns:
      the boolean result of the containment test.
      See Also:
    • contains3D

      public boolean contains3D(ILcdPoint aPoint)
      Description copied from interface: ILcdShape
      Checks whether this ILcdShape contains the given ILcdPoint in the 3D space.
      Specified by:
      contains3D in interface ILcdShape
      Overrides:
      contains3D in class TLcdGML31AbstractGeometry
      Parameters:
      aPoint - the ILcdPoint to test.
      Returns:
      the boolean result of the containment test.
      See Also:
    • getBounds

      public ILcdBounds getBounds()
      Description copied from interface: ILcdBounded
      Returns the ILcdBounds by which the geometry of this ILcdBounded object is bounded.

      If the geometry does not allow retrieving valid bounds (for example a polyline with 0 points) the return value is unspecified. It is highly recommended to return an undefined bounds. You can create undefined bounds using the default constructors of TLcdLonLatBounds or TLcdXYBounds.

      Specified by:
      getBounds in interface ILcdBounded
      Overrides:
      getBounds in class TLcdGML31AbstractGeometry
      Returns:
      the ILcdBounds by which the geometry of this ILcdBounded object is bounded.
    • clone

      public TLcdGML31Curve clone()
      Description copied from class: TLcdDataObject
      Returns a deep clone of this object. This method delegates to TLcdDataObject.clone(Map).
      Specified by:
      clone in interface ILcdCloneable
      Overrides:
      clone in class TLcdDataObject
      Returns:
      a deep clone of this object
      See Also:
    • clone

      public TLcdDataObject clone(Map aObjectDictionary)
      Description copied from class: TLcdDataObject
      Returns a deep clone of this object. If the clone is not already present in the dictionary, a new instance if created as follows:
      • First, a new instance is created using Java's clone() mechanism.
      • Then, all properties of this object are cloned and set on the newly created instance. A property is cloned as follows:
        • If the property value is an ILcdDataObject, the value is cloned by first creating a new instance via the value.getDataType().newInstance() method, and then cloning its properties one by one.
        • If the value implements ILcdDeepCloneable or ILcdCloneable then this interface is used to clone the value.
        • Otherwise, the property value is copied by reference.
      Specified by:
      clone in interface ILcdDeepCloneable
      Overrides:
      clone in class TLcdDataObject
      Parameters:
      aObjectDictionary - the Object dictionary that keeps track of the objects for which a clone has already been made, and their corresponding clone Object.
      Returns:
      a deep clone of this object
    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object
    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object
    • getSegments

      public List<TLcdGML31AbstractCurveSegment> getSegments()
      Returns the role value contained in the value of the SEGMENTS_PROPERTY property. Returns null if the value of the SEGMENTS_PROPERTY property is null.

      This property element contains a list of curve segments. The order of the elements is significant and shall be preserved when processing the array.

      Returns:
      the role value of the SEGMENTS_PROPERTY property.
      See Also:
    • setSegments

      public void setSegments(List<TLcdGML31AbstractCurveSegment> aValue)
      Sets the value of the property that maps to the segments element. to a new instance of the association class TLcdGML31CurveSegmentArrayProperty initialized with the given role value. In case the given role value is null, the SEGMENTS_PROPERTY property is set to null.

      This property element contains a list of curve segments. The order of the elements is significant and shall be preserved when processing the array.

      Parameters:
      aValue - the role value to set for the SEGMENTS_PROPERTY property.
    • getGid

      public String getGid()
      Gets the value of the GID_PROPERTY property.

      This attribute is included for backward compatibility with GML 2 and is deprecated with GML 3. This identifer is superceded by "gml:id" inherited from AbstractGMLType. The attribute "gid" should not be used anymore and may be deleted in future versions of GML without further notice.

      Returns:
      the value of the GID_PROPERTY property.
    • setGid

      public void setGid(String aValue)
      Sets the value of the GID_PROPERTY property.

      This attribute is included for backward compatibility with GML 2 and is deprecated with GML 3. This identifer is superceded by "gml:id" inherited from AbstractGMLType. The attribute "gid" should not be used anymore and may be deleted in future versions of GML without further notice.

      Parameters:
      aValue - the value to set for the GID_PROPERTY property.