Provides access to members that identify a straight line segment and defines its properties.
Members
Name | Description | |
---|---|---|
![]() |
Angle | The angle between this line and the positive x-axis. |
![]() |
Dimension | The topological dimension of this geometry. |
![]() |
Envelope | Creates a copy of this geometry's envelope and returns it. |
![]() |
FromPoint | The 'from' point of the curve. |
![]() |
GeometryType | The type of this geometry. |
![]() |
GeoNormalize | Shifts longitudes, if need be, into a continuous range of 360 degrees. |
![]() |
GeoNormalizeFromLongitude | Normalizes longitudes into a continuous range containing the longitude. This method is obsolete. |
![]() |
GetDistanceAtVertexAttribute3D | Gets the distance corresponding to the attribute value along the line. |
![]() |
GetSubcurve | Extracts a portion of this curve into a new curve. |
![]() |
GetVertexAttributeAtDistance3D | Gets the attribute value corresponding to the 3D distance along the line. |
![]() |
IsClosed | Indicates if 'from' and 'to' points (of each part) are identical. |
![]() |
IsEmpty | Indicates whether this geometry contains any points. |
![]() |
Length | The length of the curve. |
![]() |
Project | Projects this geometry into a new spatial reference. |
![]() |
PutCoords | Sets this line's endpoints to be 'from' and 'to'. |
![]() |
PutWKSCoords | From and To become the new endpoints of this line. Any existing attributes are deleted. |
![]() |
QueryCoords | Copies the endpoints of this line to 'from' and 'to'. |
![]() |
QueryEnvelope | Copies this geometry's envelope properties into the specified envelope. |
![]() |
QueryFromPoint | Copies this curve's 'from' point to the input point. |
![]() |
QueryNormal | Constructs a line normal to a curve from a point at a specified distance along the curve. |
![]() |
QueryPoint | Copies to outPoint the properties of a point on the curve at a specified distance from the beginning of the curve. |
![]() |
QueryPointAndDistance | Finds the point on the curve closest to inPoint, then copies that point to outPoint; optionally calculates related items. |
![]() |
QueryTangent | Constructs a line tangent to a curve from a point at a specified distance along the curve. |
![]() |
QueryToPoint | Copies the curve's 'to' point into the input point. |
![]() |
QueryWKSCoords | Returns the (x,y) coordinates of this line's endpoints. |
![]() |
ReverseOrientation | Reverses the parameterization of the curve ('from' point becomes 'to' point, first segment becomes last segment, etc). |
![]() |
SetEmpty | Removes all points from this geometry. |
![]() |
SnapToSpatialReference | Moves points of this geometry so that they can be represented in the precision of the geometry's associated spatial reference system. |
![]() |
SpatialReference | The spatial reference associated with this geometry. |
![]() |
SplitAtDistance3D | Split segment at specified distance. |
![]() |
ToPoint | The 'to' point of the curve. |
ILine3.GetDistanceAtVertexAttribute3D Method
Gets the distance corresponding to the attribute value along the line.
Public Function GetDistanceAtVertexAttribute3D ( _
ByVal attributeType As esriGeometryAttributes, _
ByVal attributeValue As Double, _
ByVal asRatio As Boolean _
) As Double
public double GetDistanceAtVertexAttribute3D (
esriGeometryAttributes attributeType,
double attributeValue,
bool asRatio
);
ILine3.GetVertexAttributeAtDistance3D Method
Gets the attribute value corresponding to the 3D distance along the line.
Public Function GetVertexAttributeAtDistance3D ( _
ByVal attributeType As esriGeometryAttributes, _
ByVal distance As Double, _
ByVal asRatio As Boolean _
) As Double
public double GetVertexAttributeAtDistance3D (
esriGeometryAttributes attributeType,
double distance,
bool asRatio
);
ILine3.SplitAtDistance3D Method
Split segment at specified distance.
Public Sub SplitAtDistance3D ( _
ByVal distances As Double, _
ByVal asRatio As Boolean, _
ByRef fromSegment As ISegment, _
ByRef toSegment As ISegment _
)
public void SplitAtDistance3D (
double distances,
bool asRatio,
ref ISegment fromSegment,
ref ISegment toSegment
);
Inherited Interfaces
Interfaces | Description |
---|---|
ILine2 | Provides access to the coordinates of a line segment in the form of Well Known Structures (WKS). |
ILine | Provides access to members that identify a straight line segment and defines its properties. |
ICurve | Provides access to properties and methods of all 1 dimensional curves (polylines, segments, boundaries of polygons, etc.). |
IGeometry | Provides access to members that describe properties and behavior of all geometric objects. |
Classes that implement ILine3
Classes | Description |
---|---|
Line | A 2D straight line between a pair of 2D endpoints; can optionally have height, measure and ID attributes at each endpoint. |