C# Class SharpMap.Geometries.LineString

Inheritance: Curve

Mostra file Open project: jumpinjackie/fdotoolbox Class Usage Examples

Public Methods

Method	Description
Boundary ( ) : Geometry	Returns the closure of the combinatorial boundary of this Geometry. The combinatorial boundary is defined as described in section 3.12.3.2 of [1]. Because the result of this function is a closure, and hence topologically closed, the resulting boundary can be represented using representational geometry primitives
Buffer ( double d ) : Geometry	Returns a geometry that represents all points whose distance from this Geometry is less than or equal to distance. Calculations are in the Spatial Reference System of this Geometry.
Clone ( ) : LineString	Return a copy of this geometry
ConvexHull ( ) : Geometry	Geometry—Returns a geometry that represents the convex hull of this Geometry.
Difference ( Geometry geom ) : Geometry	Returns a geometry that represents the point set difference of this Geometry with anotherGeometry.
Distance ( Geometry geom ) : double	Returns the shortest distance between any two points in the two geometries as calculated in the spatial reference system of this Geometry.
Equals ( LineString l ) : bool	Checks whether this instance is spatially equal to the LineString 'l'
GetBoundingBox ( ) : BoundingBox	The minimum bounding box for this Geometry.
GetHashCode ( ) : int	Serves as a hash function for a particular type. GetHashCode is suitable for use in hashing algorithms and data structures like a hash table.
Intersection ( Geometry geom ) : Geometry	Returns a geometry that represents the point set intersection of this Geometry with anotherGeometry.
IsEmpty ( ) : bool	If true, then this Geometry represents the empty point set, Ø, for the coordinate space.
IsSimple ( ) : bool	Returns 'true' if this Geometry has no anomalous geometric points, such as self intersection or self tangency. The description of each instantiable geometric class will include the specific conditions that cause an instance of that class to be classified as not simple.
LineString ( ) : System	Initializes an instance of a LineString
LineString ( List vertices ) : System	Initializes an instance of a LineString from a set of vertices
Point ( int N ) : System.Point	Returns the specified point N in this Linestring. This method is supplied as part of the OpenGIS Simple Features Specification
SymDifference ( Geometry geom ) : Geometry	Returns a geometry that represents the point set symmetric difference of this Geometry with anotherGeometry.
TransformToImage ( Map map ) : System.Drawing.PointF[]	Transforms the linestring to image coordinates, based on the map
Union ( Geometry geom ) : Geometry	Returns a geometry that represents the point set union of this Geometry with anotherGeometry.
Value ( double t ) : System.Point	The position of a point on the line, parameterised by length.

Method Details

Boundary() public method

Returns the closure of the combinatorial boundary of this Geometry. The combinatorial boundary is defined as described in section 3.12.3.2 of [1]. Because the result of this function is a closure, and hence topologically closed, the resulting boundary can be represented using representational geometry primitives

public Boundary ( ) : Geometry
return	Geometry

Buffer() public method

Returns a geometry that represents all points whose distance from this Geometry is less than or equal to distance. Calculations are in the Spatial Reference System of this Geometry.

public Buffer ( double d ) : Geometry
d	double	Buffer distance
return	Geometry

Clone() public method

Return a copy of this geometry

public Clone ( ) : LineString
return	LineString

ConvexHull() public method

Geometry—Returns a geometry that represents the convex hull of this Geometry.

public ConvexHull ( ) : Geometry
return	Geometry

Difference() public method

Returns a geometry that represents the point set difference of this Geometry with anotherGeometry.

public Difference ( Geometry geom ) : Geometry
geom	Geometry	Geometry to compare to
return	Geometry

Distance() public method

Returns the shortest distance between any two points in the two geometries as calculated in the spatial reference system of this Geometry.

public Distance ( Geometry geom ) : double
geom	Geometry	Geometry to calculate distance to
return	double

Equals() public method

Checks whether this instance is spatially equal to the LineString 'l'

public Equals ( LineString l ) : bool
l	LineString	LineString to compare to
return	bool

GetBoundingBox() public method

The minimum bounding box for this Geometry.

public GetBoundingBox ( ) : BoundingBox
return	BoundingBox

GetHashCode() public method

Serves as a hash function for a particular type. GetHashCode is suitable for use in hashing algorithms and data structures like a hash table.

public GetHashCode ( ) : int
return	int

Intersection() public method

Returns a geometry that represents the point set intersection of this Geometry with anotherGeometry.

public Intersection ( Geometry geom ) : Geometry
geom	Geometry	Geometry to intersect with
return	Geometry

IsEmpty() public method

If true, then this Geometry represents the empty point set, Ø, for the coordinate space.

public IsEmpty ( ) : bool
return	bool

IsSimple() public method

Returns 'true' if this Geometry has no anomalous geometric points, such as self intersection or self tangency. The description of each instantiable geometric class will include the specific conditions that cause an instance of that class to be classified as not simple.

public IsSimple ( ) : bool
return	bool

LineString() public method

Initializes an instance of a LineString

public LineString ( ) : System
return	System

LineString() public method

Initializes an instance of a LineString from a set of vertices

public LineString ( List vertices ) : System
vertices	List
return	System

Point() public method

Returns the specified point N in this Linestring.

This method is supplied as part of the OpenGIS Simple Features Specification

public Point ( int N ) : System.Point
N	int
return	System.Point

SymDifference() public method

Returns a geometry that represents the point set symmetric difference of this Geometry with anotherGeometry.

public SymDifference ( Geometry geom ) : Geometry
geom	Geometry	Geometry to compare to
return	Geometry

TransformToImage() public method

Transforms the linestring to image coordinates, based on the map

public TransformToImage ( Map map ) : System.Drawing.PointF[]
map	Map	Map to base coordinates on
return	System.Drawing.PointF[]

Union() public method

Returns a geometry that represents the point set union of this Geometry with anotherGeometry.

public Union ( Geometry geom ) : Geometry
geom	Geometry	Geometry to union with
return	Geometry

Value() public method

The position of a point on the line, parameterised by length.

public Value ( double t ) : System.Point
t	double	Distance down the line
return	System.Point