SurfZPlane (LCSim 3.1.7 API)

Field Summary

Fields
Modifier and Type Field and Description

protected double _z

static int IDXDZ

static int IDYDZ

static int IQP

static int IX

static int IY

static int ZPOS

Fields
Modifier and Type	Field and Description
`protected double`	`_z`
`static int`	`IDXDZ`
`static int`	`IDYDZ`
`static int`	`IQP`
`static int`	`IX`
`static int`	`IY`
`static int`	`ZPOS`

Constructor Summary

Constructors
Constructor and Description
`SurfZPlane(double z)` Construct an instance specifying the z location of the plane.
`SurfZPlane(SurfZPlane surf)` Construct an instance duplicating the SurfZPlane (copy constructor).

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`equals(SurfZPlane srf)` Test equality.
`Surface`	`newPureSurface()` Return a copy of the underlying pure Surface.
`double`	`parameter(int ipar)` Return the surface parameter.
`CrossStat`	`pureStatus(VTrack trv)` Find the crossing status for a track vector without error.
`String`	`pureType()` Return a String representation of the class' type name.
`protected boolean`	`safePureEqual(Surface srf)`
`protected boolean`	`safePureLessThan(Surface srf)`
`SpacePath`	`spacePath(TrackVector vec, TrackSurfaceDirection dir)` Return the space vector for a track.
`SpacePoint`	`spacePoint(TrackVector vec)` Return the space point for a track vector.
`static String`	`staticType()` Return a String representation of the class' type name.
`String`	`toString()` output stream
`static String`	`typeName()` Return a String representation of the class' type name.
`TrackVector`	`vecDiff(TrackVector vec1, TrackVector vec2)` Return the vector difference of two tracks on this surface.
`double`	`z()` Return the z position of the plane.

Methods inherited from class org.lcsim.recon.tracking.trfbase.Surface
boundEqual, direction, equals, genericType, getInteractor, interact, isPure, newSurface, pureEqual, pureLessThan, qOverP, safeBoundEqual, setInteractor, setSimInteractor, simInteract, simInteractor, status, status, type

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - ZPOS
```
public static final int ZPOS
```
    See Also:
    Constant Field Values
  - IX
```
public static final int IX
```
    See Also:
    Constant Field Values
  - IY
```
public static final int IY
```
    See Also:
    Constant Field Values
  - IDXDZ
```
public static final int IDXDZ
```
    See Also:
    Constant Field Values
  - IDYDZ
```
public static final int IDYDZ
```
    See Also:
    Constant Field Values
  - IQP
```
public static final int IQP
```
    See Also:
    Constant Field Values
  - _z
```
protected double _z
```
- Constructor Detail
  - SurfZPlane
```
public SurfZPlane(double z)
```
    Construct an instance specifying the z location of the plane.
    
    Parameters:
    z - The z location of the plane surface.
  - SurfZPlane
```
public SurfZPlane(SurfZPlane surf)
```
    Construct an instance duplicating the SurfZPlane (copy constructor).
    
    Parameters:
    surf - The SurfZPlane to replicate.
- Method Detail
  - typeName
```
public static String typeName()
```
    Return a String representation of the class' type name. Included for completeness with the C++ version.
    
    Returns:
    A String representation of the class' type name.
  - staticType
```
public static String staticType()
```
    Return a String representation of the class' type name. Included for completeness with the C++ version.
    
    Returns:
    A String representation of the class' type name.
  - safePureEqual
```
protected boolean safePureEqual(Surface srf)
```
    Specified by:
    
    safePureEqual in class Surface
  - safePureLessThan
```
protected boolean safePureLessThan(Surface srf)
```
    Specified by:
    
    safePureLessThan in class Surface
  - pureType
```
public String pureType()
```
    Return a String representation of the class' type name. Included for completeness with the C++ version.
    
    Specified by:
    
    pureType in class Surface
    
    Returns:
    A String representation of the class' the type name.
  - newPureSurface
```
public Surface newPureSurface()
```
    Return a copy of the underlying pure Surface.
    
    Specified by:
    
    newPureSurface in class Surface
    
    Returns:
    The underlying SurfZPlane.
  - pureStatus
```
public CrossStat pureStatus(VTrack trv)
```
    Find the crossing status for a track vector without error.
    
    Specified by:
    
    pureStatus in class Surface
    
    Parameters:
    trv - The VTrack to test.
    
    Returns:
    The crossing status.
  - parameter
```
public double parameter(int ipar)
```
    Return the surface parameter.
    
    Specified by:
    
    parameter in class Surface
    
    Parameters:
    ipar - The surface parameter index. There is only one for a SurfZPlane, which is the z location.
    
    Returns:
    The z location for this SurfZPlane.
  - z
```
public double z()
```
    Return the z position of the plane.
    
    Returns:
    The z location of this plane.
  - vecDiff
```
public TrackVector vecDiff(TrackVector vec1,
                  TrackVector vec2)
```
    Return the vector difference of two tracks on this surface.
    
    Specified by:
    
    vecDiff in class Surface
    
    Parameters:
    vec1 - The first TrackVector.
    vec2 - The second TrackVector.
    
    Returns:
    The difference TrackVector.
  - spacePoint
```
public SpacePoint spacePoint(TrackVector vec)
```
    Return the space point for a track vector.
    
    Specified by:
    
    spacePoint in class Surface
    
    Parameters:
    vec - The TrackVector at this Surface.
    
    Returns:
    The SpacePoint for the track vec on this Surface.
  - spacePath
```
public SpacePath spacePath(TrackVector vec,
                  TrackSurfaceDirection dir)
```
    Return the space vector for a track. (x,y,dx/dz,dy/dz,q/p) dz/ds = 1/sqrt(1+dx/dz**2+dy/dz**2) dy/ds = dy/dz*dz/ds dx/ds = dx/dz*dz/ds
    
    Specified by:
    
    spacePath in class Surface
    
    Parameters:
    vec - The TrackVector at this Surface.
    dir - The direction for this track on this surface.
    
    Returns:
    The SpacePath for this track on this surface.
  - equals
```
public boolean equals(SurfZPlane srf)
```
    Test equality.
    
    Parameters:
    srf - The surface to test against.
    
    Returns:
    true if the surfaces are equal.
  - toString
```
public String toString()
```
    output stream
    
    Overrides:
    
    toString in class Surface
    
    Returns:
    The String representation of this instance.

Class SurfZPlane

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.lcsim.recon.tracking.trfbase.Surface

Methods inherited from class java.lang.Object

Field Detail

ZPOS

IX

IY

IDXDZ

IDYDZ

IQP

_z

Constructor Detail

SurfZPlane

SurfZPlane

Method Detail

typeName

staticType

safePureEqual

safePureLessThan

pureType

newPureSurface

pureStatus

parameter

z

vecDiff

spacePoint

spacePath

equals

toString