astri_M1_segments_pre-production

The full file can be found in the Simulation Model repository here.

The first 30 lines of the file are:

# Format of lines: type nseg { rmin rmax dphi phi0 | x y diam rot }
#    type: RINGsegments | SQUAREsegments | (Y)HEXsegments | CIRCULARsegments
#          (the capital part being the minimum abbreviation required).
#          Instead of the two fundamental orientations of hexagons used
#          for pixels and mirror tiles in single-reflector configurations,
#          the orientation of hexagons is defined by the rotation angle
#          (0 degrees corresponding to shape type 1, with two flat sides
#          parallel to the x axis, 90 deg. corresponding to shape type 3).
#    nseg: Number of segments in this group; must be =1 except for ring segments
#    Ring segments:
#       rmin, rmax: minimum and maximum radius of ring in x/y projection [cm].
#       dphi: angle around axis subtended by each segment [deg.];
#             for a complete ring it would be 360/nseg.
#       phi0: angle around axis where first segment starts [deg.].
#    Other segment types (configured individually):
#       x, y: position of segment center in x/y projection [cm].
#       diam: diameter of segment in projection along surface normal at center [cm].
#       rot:  rotation angle of segment around its own axis (sq.+hex) [deg.]

# Origin of coordinates: "Optical parameters for ASTRI Chile demonstrators MC model" 2017-10-19,
# after accounting for different coordinate systems.

# Shape N     Xc        Yc        Diam.    Rot
#            [cm]      [cm]       [cm]     [deg]

# Segment ID 1
hex 1        -85.6      0.0       84.6      0

# Segment ID 2
hex 1        -42.8    -74.2       84.6      0