Package org.jlab.detector.geant4.v2.SVT

Class SVTConstants

java.lang.Object
org.jlab.detector.geant4.v2.SVT.SVTConstants
public class SVTConstants extends Object

Geometry for the SVT

length unit: mm (3D Primitives), cm (Geant4Basic volume positions)
angle unit: deg
Conventions:
  • svt = four concentric regions / superlayers
  • region / superlayer = ring of a variable number of sectors
  • sector = pair of sensor modules and backing structure, connected and stabilised by copper and peek supports
  • module = triplet of sensors
  • sensor = silicon with etched strips in active region
  • layer = plane of sensitive strips, spanning active regions of module
  • strip = sensitive line
Version:
1.1.1
Author:
pdavies

  • Field Details

    • LOGGER

      public static Logger LOGGER

    • VERBOSE

      public static boolean VERBOSE

    • NREGIONS

      public static int NREGIONS

    • NSECTORS

      public static int[] NSECTORS

    • NFIDUCIALS

      public static int NFIDUCIALS

    • NMODULES

      public static int NMODULES

    • NSENSORS

      public static int NSENSORS

    • NSTRIPS

      public static int NSTRIPS

    • NPADS

      public static int NPADS

    • STRIPOFFSETWID

      public static double STRIPOFFSETWID

    • READOUTPITCH

      public static double READOUTPITCH

    • STEREOANGLE

      public static double STEREOANGLE

    • STATUS

      public static int[] STATUS

    • RSI

      public static int[][] RSI

    • PHI0

      public static double PHI0

    • SECTOR0

      public static double SECTOR0

    • REFRADIUS

      public static double[] REFRADIUS

    • LAYERPOSFAC

      public static double LAYERPOSFAC

    • Z0ACTIVE

      public static double[] Z0ACTIVE

    • SUPPORTRADIUS

      public static double[] SUPPORTRADIUS

    • FIDCUX

      public static double FIDCUX

    • FIDPKX

      public static double FIDPKX

    • FIDORIGINZ

      public static double FIDORIGINZ

    • FIDCUZ

      public static double FIDCUZ

    • FIDPKZ0

      public static double FIDPKZ0

    • FIDPKZ1

      public static double FIDPKZ1

    • ACTIVESENWID

      public static double ACTIVESENWID

    • PHYSSENWID

      public static double PHYSSENWID

    • DEADZNWID

      public static double DEADZNWID

    • SILICONTHK

      public static double SILICONTHK

    • PHYSSENLEN

      public static double PHYSSENLEN

    • ACTIVESENLEN

      public static double ACTIVESENLEN

    • DEADZNLEN

      public static double DEADZNLEN

    • MICROGAPLEN

      public static double MICROGAPLEN

    • NMATERIALS

      public static int NMATERIALS

    • MATERIALTYPES

      public static HashMap<String,String> MATERIALTYPES

    • MATERIALDIMENSIONS

      public static HashMap<String,double[]> MATERIALDIMENSIONS

    • PASSIVETHK

      public static double PASSIVETHK

    • NLAYERS

      public static int NLAYERS

    • NTOTALSECTORS

      public static int NTOTALSECTORS

    • NTOTALFIDUCIALS

      public static int NTOTALFIDUCIALS

    • LAYERRADIUS

      public static double[][] LAYERRADIUS

    • LAYERGAPTHK

      public static double LAYERGAPTHK

    • MODULELEN

      public static double MODULELEN

    • STRIPLENMAX

      public static double STRIPLENMAX

    • MODULEWID

      public static double MODULEWID

    • SECTORLEN

      public static double SECTORLEN

    • SIDETOL

      public static final double SIDETOL
      See Also:

    • LENGTHTOL

      public static final double LENGTHTOL
      See Also:

    • FARADAYCAGERMIN

      public static double[] FARADAYCAGERMIN

    • FARADAYCAGERMAX

      public static double[] FARADAYCAGERMAX

    • FARADAYCAGELENGTH

      public static double[] FARADAYCAGELENGTH

    • FARADAYCAGEZPOS

      public static double[] FARADAYCAGEZPOS

    • FARADAYCAGENAME

      public static String[] FARADAYCAGENAME

    • FARADAYCAGERADLEN

      public static double[] FARADAYCAGERADLEN

    • FARADAYCAGEZOVERA

      public static double[] FARADAYCAGEZOVERA

    • FARADAYCAGERHO

      public static double[] FARADAYCAGERHO

    • FARADAYCAGEI

      public static double[] FARADAYCAGEI

    • REGIONPEEKRMIN

      public static double[] REGIONPEEKRMIN

    • REGIONPEEKRMAX

      public static double[] REGIONPEEKRMAX

    • REGIONPEEKLENGTH

      public static double[] REGIONPEEKLENGTH

    • MATERIALPROPERTIES

      public static final Map<String,double[]> MATERIALPROPERTIES

  • Constructor Details

    • SVTConstants

      public SVTConstants()

  • Method Details

    • connect

      public static DatabaseConstantProvider connect(DatabaseConstantProvider cp)
      Loads the the necessary tables for the SVT geometry for a given DatabaseConstantProvider.
      Returns:
      DatabaseConstantProvider the same thing

    • getCcdbPath

      public static String getCcdbPath()
      Returns the path to the database directory that contains the core parameters and constants for the SVT.
      To use with DatabaseConstantProvider:
      • Access tables with getCcdbPath() +"table".
      • Access constants with getCcdbPath() +"table/constant".
      Returns:
      String a path to a directory in CCDB of the format "/geometry/detector/"

    • setCcdbPath

      public static void setCcdbPath(String aPath)
      Sets the path to the database directory that contains the core parameters and constants for the SVT.
      Parameters:
      aPath - a path to a directory in CCDB of the format "/geometry/detector/"

    • load

      public static void load(DatabaseConstantProvider cp)
      Reads all the necessary constants from CCDB into static variables. Please use a DatabaseConstantProvider to access CCDB and load the following tables: svt, region, support, fiducial, material, alignment.
      Parameters:
      cp - a ConstantProvider that has loaded the necessary tables

    • showLayerShiftData

      public static void showLayerShiftData()
      Prints alignment shift data for sectors to screen.

    • convertRegionSectorFiducial2Index

      public static int convertRegionSectorFiducial2Index(int aRegion, int aSector, int aFiducial) throws IllegalArgumentException
      Converts RSF indices to linear index.Useful for writing data files.
      Parameters:
      aRegion - an index starting from 0
      aSector - an index starting from 0
      aFiducial - an index starting from 0
      Returns:
      int an index used for fiducial survey data
      Throws:
      IllegalArgumentException - indices out of bounds

    • convertIndex2RegionSectorFiducial

      public static int[] convertIndex2RegionSectorFiducial(int aSurveyIndex) throws IllegalArgumentException
      Converts linear index to Region, Sector, and Fiducial indices. For use with data files.
      Parameters:
      aSurveyIndex - an index used for fiducial survey data
      Returns:
      int[] an array containing RSF indices
      Throws:
      IllegalArgumentException - index out of bounds

    • convertRegionSector2Index

      public static int convertRegionSector2Index(int aRegion, int aSector) throws IllegalArgumentException
      Converts RS indices to linear index.
      Parameters:
      aRegion - an index starting from 0
      aSector - an index starting from 0
      Returns:
      int an index used for sector modules
      Throws:
      IllegalArgumentException - indices out of bounds

    • convertIndex2RegionSector

      public static int[] convertIndex2RegionSector(int aSvtIndex)
      Converts linear index to Region and Sector indices. For use with data files.
      Parameters:
      aSvtIndex - an index starting from 0
      Returns:
      int[] an array containing RS indices
      Throws:
      IllegalArgumentException - index out of bounds

    • convertLayer2RegionModule

      public static int[] convertLayer2RegionModule(int aLayer) throws IllegalArgumentException
      Converts Layer index to Region, Module indices.
      Parameters:
      aLayer - an index starting from 0
      Returns:
      int[] an array containing RM indices
      Throws:
      IllegalArgumentException - index out of bounds

    • convertRegionModule2Layer

      public static int convertRegionModule2Layer(int aRegion, int aModule) throws IllegalArgumentException
      Converts Region, Module indices to Layer index.
      Parameters:
      aRegion - an index starting from 0
      aModule - an index starting from 0
      Returns:
      int layer index starting from 0
      Throws:
      IllegalArgumentException - indices out of bounds

    • getPhi

      public static double getPhi(int aRegion, int aSector)
      Returns the azimuth angle from the x-axis for a given sector module.
      Parameters:
      aRegion - an index starting from 0
      aSector - an index starting from 0
      Returns:
      double an angle in radians

    • getDetectorFrame

      public static Transform getDetectorFrame(int aRegion, int aSector, double aRadius, double aZ) throws IllegalArgumentException
      Returns a transformation from the local frame to the ideal lab frame (not accounting for shifts and rotations), for a given sector module.
      Parameters:
      aRegion - an index starting from 0
      aSector - an index starting from 0
      aRadius - transverse distance from beamline
      aZ - longitudinal distance along beamline
      Returns:
      Transformation3D a sequence of transformations
      Throws:
      IllegalArgumentException - indices out of bounds

    • getStripFrame

      public static Transform getStripFrame(boolean aFlip)
      Returns a transformation for the strip frame to the local frame.
      Parameters:
      aFlip - whether the transformation should append a rotation of 180 deg about the z axis
      Returns:
      Transformation3D a sequence of transformations

    • getLayerSectorAlignmentData

      public static double[][][] getLayerSectorAlignmentData()
      Returns the layer/sector alignment data
      Returns:

    • getGlobalAlignmentData

      public static double[] getGlobalAlignmentData()
      Returns the layer/sector alignment data
      Returns: