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# QUADGEOM - Structure definitions and macros for quadgeom structure.
define QG_LENSTRUCT 28 # Length of structure.
define QG_MAXAMPS 4 # Maximum possible number of readouts.
# The various arrays are dimensioned as QG_MAXAMPS+1.
# QG_AAAA(0) contains quantities refering to the entire image
# QG_AAAA(z) contains quantities refering to the zth sub-image
define QG_NAMPS Memi[$1] # Total number of active readouts.
define QG_NAMPSX Memi[$1+1] # Number of active readouts in X.
define QG_NAMPSY Memi[$1+2] # Number of active readouts in Y.
# Array of pointers to names of active readouts.
define QG_AMPIDPTR Memi[$1+3] # --> ampid array.
define QG_AMPID Memi[QG_AMPIDPTR($1)+$2] # ampid array.
# Array of pointers to names of active readouts.
define QG_AMPTYPTR Memi[$1+4] # --> amptype array.
define QG_AMPTYPE Memi[QG_AMPTYPTR($1)+$2] # amptype array.
# Dimensions of image from each readout.
define QG_NXPTR Memi[$1+5] # --> X dimension array.
define QG_NX Memi[QG_NXPTR($1)+$2] # X dimension.
define QG_NYPTR Memi[$1+6] # --> Y dimension array.
define QG_NY Memi[QG_NYPTR($1)+$2] # Y dimension.
# datasec = "[dx1:dx2,dy1:dy2]"
define QG_DOFF 7
define QG_DX1PTR Memi[$1+QG_DOFF] # --> dx1 array.
define QG_DX2PTR Memi[$1+QG_DOFF+1] # --> dx2 array.
define QG_DY1PTR Memi[$1+QG_DOFF+2] # --> dy1 array.
define QG_DY2PTR Memi[$1+QG_DOFF+3] # --> dy2 array.
define QG_DX1 Memi[QG_DX1PTR($1)+$2] # dx1.
define QG_DX2 Memi[QG_DX2PTR($1)+$2] # dx2.
define QG_DY1 Memi[QG_DY1PTR($1)+$2] # dy1..
define QG_DY2 Memi[QG_DY2PTR($1)+$2] # dy2.
# trimsec = "[tx1:tx2,ty1:ty2]"
define QG_TOFF 11 # QG_DOFF+4.
define QG_TX1PTR Memi[$1+QG_TOFF] # --> tx1 array.
define QG_TX2PTR Memi[$1+QG_TOFF+1] # --> tx2 array.
define QG_TY1PTR Memi[$1+QG_TOFF+2] # --> ty1 array.
define QG_TY2PTR Memi[$1+QG_TOFF+3] # --> ty2 array.
define QG_TX1 Memi[QG_TX1PTR($1)+$2] # tx1.
define QG_TX2 Memi[QG_TX2PTR($1)+$2] # tx2.
define QG_TY1 Memi[QG_TY1PTR($1)+$2] # ty1.
define QG_TY2 Memi[QG_TY2PTR($1)+$2] # ty2.
# biassec = "[bx1:bx2,by1:by2]"
define QG_BOFF 15 # QG_TOFF+4.
define QG_BX1PTR Memi[$1+QG_BOFF] # --> bx1 array.
define QG_BX2PTR Memi[$1+QG_BOFF+1] # --> bx2 array.
define QG_BY1PTR Memi[$1+QG_BOFF+2] # --> by1 array.
define QG_BY2PTR Memi[$1+QG_BOFF+3] # --> by2 array.
define QG_BX1 Memi[QG_BX1PTR($1)+$2] # bx1.
define QG_BX2 Memi[QG_BX2PTR($1)+$2] # bx2.
define QG_BY1 Memi[QG_BY1PTR($1)+$2] # by1.
define QG_BY2 Memi[QG_BY2PTR($1)+$2] # by2.
# ccdsec = "[cx1:cx2,cy1:cy2]"
define QG_COFF 19 # QG_BOFF+4.
define QG_CX1PTR Memi[$1+QG_COFF] # --> cx1 array.
define QG_CX2PTR Memi[$1+QG_COFF+1] # --> cx2 array.
define QG_CY1PTR Memi[$1+QG_COFF+2] # --> cy1 array.
define QG_CY2PTR Memi[$1+QG_COFF+3] # --> cy2 array.
define QG_CX1 Memi[QG_CX1PTR($1)+$2] # cx1.
define QG_CX2 Memi[QG_CX2PTR($1)+$2] # cx2.
define QG_CY1 Memi[QG_CY1PTR($1)+$2] # cy1.
define QG_CY2 Memi[QG_CY2PTR($1)+$2] # cy2.
# ampsec = "[ax1:ax2,ay1:ay2]"
define QG_AOFF 23 # QG_COFF+4.
define QG_AX1PTR Memi[$1+QG_AOFF] # --> ax1 array.
define QG_AX2PTR Memi[$1+QG_AOFF+1] # --> ax2 array.
define QG_AY1PTR Memi[$1+QG_AOFF+2] # --> ay1 array.
define QG_AY2PTR Memi[$1+QG_AOFF+3] # --> ay2 array.
define QG_AX1 Memi[QG_AX1PTR($1)+$2] # ax1.
define QG_AX2 Memi[QG_AX2PTR($1)+$2] # ax2.
define QG_AY1 Memi[QG_AY1PTR($1)+$2] # ay1.
define QG_AY2 Memi[QG_AY2PTR($1)+$2] # ay2.
# Phantom markers
define QG_PHOFF 27 # QG_AOFF+4
define QG_PHPTR Memi[$1+QG_PHOFF] # --> Phantom array
define QG_PHANTOM Memi[QG_PHPTR($1)+$2] # Phantom value
# Macros to convert between array offset and grid position
define QG_GRIDX ($2 - (($2-1)/QG_NAMPSX($1))*QG_NAMPSX($1))
define QG_GRIDY (($2-1)/QG_NAMPSX($1)+1)
define QG_AMP ($2 + ($3-1) * QG_NAMPSX($1))
# Symbolic values for AMPTYPE codes
define AMPDICT "|11|12|21|22|"
define AMP11 1 # BLHC
define AMP12 2 # BRHC
define AMP21 3 # TLHC
define AMP22 4 # TRHC
define SZ_AMPID 2
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