The Cartesian type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
 | Cartesian(Double, Double) |
Creates a unit vector from angular coordinates (RA, Dec).
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| Cartesian(Cartesian, Boolean) |
Creates a vector from another instance.
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| Cartesian(Double, Double, Double, Boolean) |
Creates a vector from coordinates (x,y,z).
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Methods
| Name | Description | |
|---|---|---|
| Add |
Adds another vector
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| AngleInArcmin |
Calculates the angle to the specified point on the unit sphere
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| AngleInDegree |
Calculates the angle to the specified point on the unit sphere
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| AngleInRadian |
Calculates the angle to the specified point on the unit sphere
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 | Cartesian2Radec |
Converts a unit vector to (RA, Dec) angles.
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| Cartesian2RadecRadian |
Converts a unit vector to (RA, Dec) angles.
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| CenterOfMass |
Computes the center of mass of specified vectors.
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| Cross |
Computes the cross product with another vector
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| Distance |
Calculates Euclidean distance between two points.
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| Dot |
Computes the 3D dot product of the two vectors
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| Equals(Object) |
Determines whether the vector is equal to the specified object.
(Overrides ValueType..::..Equals(Object).) |
| Equals(Cartesian) |
Determines whether the the vector is equal to the specified vector.
|
 | Finalize |
Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.
(Inherited from Object.) |
| FindBoundingSphere |
Computes the near-optimal bounding sphere of a list of points.
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| Get |
Get the ith component of this vector.
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| GetHashCode |
Provides hashcode for the vector.
(Overrides ValueType..::..GetHashCode()()()().) |
| GetMiddlePoint |
Returns middle point of two points (this and that)
|
| GetType |
Gets the Type of the current instance.
(Inherited from Object.) |
| GirardArea |
Computes the Girard area.
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| IsNaN |
Determines whether the coordinates of the vectors are NaN.
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| MemberwiseClone |
Creates a shallow copy of the current Object.
(Inherited from Object.) |
| MinimalEnclosingCircle |
Computes the minimal enclosing circle of a list of points.
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| MinimalEnclosingCircleOptimalSlow |
Computes the minimal enclosing circle of a list of points.
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| Mirror |
Mirrors the vector.
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| Mirrored |
Returns a mirrored vector.
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| Normalize |
Normalizes the vector.
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| Parse |
Parses an input string of "x y z" into a Cartesian
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| Radec2Xyz |
Converts (RA, Dec) to (x, y, z).
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| Same |
Determines whether two unit vectors are identical.
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| Scale |
Multiplies the coordinates by the specified amount.
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| Scaled |
Returns a vector that is scaled by the specified amount.
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| Set(Double, Double) |
Sets the vector to point from angular position (RA,Dec).
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| Set(Cartesian, Boolean) |
Sets the vector from another.
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| Set(Double, Double, Double, Boolean) |
Sets the vector from (x,y,z)
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| SetMiddlePoint |
Sets the vector to be the sum of the specified points.
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| SphericalTriangleArea |
Computes the area of the triangle defined by three points connected with great circles.
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| Sub |
Subtracts another vector
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| Tangent |
Returns the tangent vectors pointing to west and north.
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| ToString |
String representation is the three coordinates: x y z
(Overrides ValueType..::..ToString()()()().) |
| TripleProduct |
Computes the triple product of three vectors.
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| Xyz2Radec |
Converts normalized (x, y, z) coordinates to (RA, Dec) angles.
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| Xyz2RadecRadian |
Converts normalized (x, y, z) coordinates to (RA, Dec) angles.
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Operators
| Name | Description | |
|---|---|---|
 | Equality |
Determines whether two vectors are the same.
|
| Inequality |
Determines whether two vectors are different.
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Fields
| Name | Description | |
|---|---|---|
 | NaN |
Is a vector of NaN coordinates.
|
| Revision |
Revision from CVS
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| Xaxis |
Is the unit vector of the X axis: (1,0,0).
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| Yaxis |
Is the unit vector of the Y axis: (0,1,0).
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| Zaxis |
Is the unit vector of the Z axis: (0,0,1).
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Properties
| Name | Description | |
|---|---|---|
 | Dec |
Gets the angular coordinate Dec,
which is computed on the fly.
|
| Norm |
Gets the length of the vector.
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| Norm2 |
Gets the square of the length of the vector.
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| RA |
Gets the angular coordinate RA,
which is computed on the fly.
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| X |
Gets or sets the X coordinate of the vector.
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| Y |
Gets or sets the Y coordinate of the vector.
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| Z |
Gets or sets the Z coordinate of the vector.
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See Also
