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> > One of the really fun things that I would like to do, if only somebody > would or could tell me how, is to diddle the tip, tilt, piston, rotation, > and position terms for the RRSS. This would allow me to start building the > tools I will need to monitor the stability of the real LSST camera. Dave- you are the very first power user to request such bold functionality. amazingly, you can already edit the file phosim/data/lsst/focalplanelayout.txt to do all of this already: columns 10-12 are euler rotations for each chip (radians) columns 13-14 are decenters for each chip (microns) column 15 is piston (microns) column 16 is the 2-d rotation of the pixel grid (degrees) column 16-27 are zernike distortions of the shape (microns) note some of these are degenerate intentionally. i might suggest you make a directory parallel to data/lsst called fakelsst. then copy all the files there and start making your own camera. then when you run the phosim script use "-i fakelsst" and it will pick up all your custom files there. or you can just edit the files, if you don't care about the defaults. Have fun! john ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the PHOSIM-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=PHOSIM-DEV&A=1