class AliMUONSt1GeometryBuilderV2: public AliMUONVGeometryBuilder

 Standard constructor

 Default Constructor

 Destructor

 Generate unique envelope name from chamber Id and quadrant number

 Create all the elements found inside a foam hole

 Create all the elements in a daughter board

 Create the layer of sensitive volumes with gas
 and the copper layer.
 The shape of the sensitive area is defined as an extruded
 solid substracted with tube (to get inner circular shape).

 The spacer volumes are defined according to the input prepared by Nicole Willis
 without any modifications
                                                                       <pre>
 No.    Type  Material Center (mm)            Dimensions (mm) (half lengths)
  5     BOX   EPOXY    408.2  430.4 522.41    5.75  1.5   25.5
  5P    BOX   EPOXY    408.2  445.4 522.41    5.75  1.5   25.5
  6     BOX   EPOXY    408.2  437.9 519.76    5.75  15.0   1.0
  6P    BOX   EPOXY    408.2  437.9 525.06    5.75  15.0   1.0
  7     CYL   INOX     408.2  437.9 522.41    r=3.0  hz=20.63
                                                                      </pre>

 The spacer volumes are defined according to the input prepared by Nicole Willis
 with modifications needed to fit into existing geometry.
                                                                       <pre>
 No.    Type  Material Center (mm)            Dimensions (mm) (half lengths)
  5     BOX   EPOXY    408.2  430.4 522.41    5.75  1.5   25.5
  5P    BOX   EPOXY    408.2  445.4 522.41    5.75  1.5   25.5
  6     BOX   EPOXY    408.2  437.9 519.76    5.75  15.0   1.0
  6P    BOX   EPOXY    408.2  437.9 525.06    5.75  15.0   1.0
  7     CYL   INOX     408.2  437.9 522.41    r=3.0  hz=20.63
                                                                      </pre>
 To fit in existing volumes the volumes 5 and 7 are represented by 2 volumes
 with half size in z (5A, &A); the dimensions of the volume 5A were also modified
 to avoid overlaps (x made smaller, y larger to abotain the identical volume)

 Create the quadrant (bending and non-bending planes)
 for the given chamber

 Create all the elements in the copper plane

 Create a segment of a plane (this includes a foam layer,
 holes in the foam to feed the kaptons through, kapton connectors
 and the mother board.)

 Create the three main layers as real volumes.
 Not used anymore.

 Create the three main layers as assemblies

 Create the non-sensitive elements of the frame for the \a chamber

 Model and notation:                                                     \n
                                                                         \n
 The Quadrant volume name starts with SQ                                 \n
 The volume segments are numbered 00 to XX                               \n
                                                                         \n
                              OutTopFrame                                \n
                               (SQ02-16)                                 \n
                              ------------                               \n
             OutEdgeFrame   /              |                             \n
             (SQ17-24)     /               |  InVFrame (SQ00-01)         \n
                          /                |                             \n
                          |                |                             \n
               OutVFrame  |            _- -                              \n
               (SQ25-39)  |           |   InArcFrame (SQ42-45)           \n
                          |           |                                  \n
                          -------------                                  \n
                        InHFrame (SQ40-41)                               \n
                                                                         \n
                                                                         \n
 06 February 2003 - Overlapping volumes resolved.                        \n
 One quarter chamber is comprised of three TUBS volumes: SQMx, SQNx, and SQFx,
 where SQMx is the Quadrant Middle layer for chamber \a chamber ( posZ in [-3.25,3.25]),
 SQNx is the Quadrant Near side layer for chamber \a chamber ( posZ in [-6.25,3-.25) ), and
 SQFx is the Quadrant Far side layer for chamber \a chamber ( posZ in (3.25,6.25] ).

 Place the gas and copper layers for the specified chamber.

 Place the spacer defined in global positions
 !! This method should be used only to find out the right mother volume
 for the spacer if geometry is changed and the plane segment volumes
 will change their numbering

 Place all the segments in the mother volume, at the position defined
 by the sector's data.                                                      \n
 The lines with comments COMMENT OUT BEGIN/END indicates blocks
 which can be commented out in order to reduce the number of volumes
 in a sector to the plane segments corresponding to regular motifs only.

 Insert the chamber number into the name.

 Define materials specific to station 1

 Create the detailed GEANT geometry for the dimuon arm station1

 Define the volumes for the station2 chambers.

 Define the transformations for the station2 chambers.

 Define the sensitive volumes for station2 chambers.

 Return total mechanical plane half Size

 Return total daughter plane half Size

 Return total plane half Size

 Return middle quadrant layer name for chamber \a chamber

 Return middle quadrant frame layer name for chamber \a chamber

 Return nearer quadrant layer name for chamber \a chamber

 Return farther quadrant layer name for chamber \a chamber

 Return plane segment name for segment \a segNumber

 Return foam box name for segment \a segNumber

 Return FR4 box name for segment \a segNumber