Allegro Aperture and Parameter Format

Allegro seems to spread out the required information into two different files:

art_param.txt      parameter file
art_aper.txt       aperture list

Parameter Table

DEVICE-TYPE           GERBER6X00        not interesting
OUTPUT-UNITS          INCHES            Gerber units
FILM-SIZE             240000 200000
FORMAT                2.4               required
ABORT-ON-ERROR        NO
SCALE                 1
G-CODES               NO
OPTIMIZE              YES
STATIONS-PER-WHEEL    999
COORDINATES           ABSOLUTE          absolute or incremental
SUPPRESS-LEAD-ZEROES  YES               leading zero suppression
SUPPRESS-TRAIL-ZEROES NO
SUPPRESS-EQUAL        YES
Aperture List

Comments

FLASH - probably a custom aperture
LINE - a circular aperture used for draw commands...
TREL - a thermal relief the diameter is probably the OD....
INPUT-UNITS     INCHES

WHEEL     1

CIRCLE           175            D10
CIRCLE           250            D11
FLASH     TREL175                    0  D12
CIRCLE           200            D13
SQUARE            85         0            D14
CIRCLE            50            D15
FLASH     DOT                        0  D16
CIRCLE            32            D17
CIRCLE            44            D18
CIRCLE            60            D19
CIRCLE            85            D20
FLASH     TREL060                    0  D21
CIRCLE            70            D22
RECTANGLE         60        60         0  D23
RECTANGLE         65        65         0  D24
CIRCLE            75            D25
CIRCLE           105            D26
FLASH     TREL075                    0  D27
CIRCLE            58            D28
CIRCLE            68            D29
CIRCLE           110            D30
CIRCLE           180            D31
CIRCLE           130            D32
RECTANGLE         90        25         0  D33
RECTANGLE         25        90         0  D34
LINE               8            D60
LINE              10            D61
LINE              12            D62
LINE              20            D63
LINE              15            D64
LINE               5            D65


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