CALIBRATION Sub-Menu Commands

? List of available commands

CALCULATE FITTED DISTORTION output in memory (for X or Y)

DECAY CORRECTION Correct intensity decay (Molecular Dynamics)

DESTROY GRID PEAKS Set ``found'' peaks to missing peaks

DISPLAY DISTORTION Create 2-D image in memory and display

EXIT Exit fit sub-menu

FIND PEAKS Measure centres of grid mask peaks

FIT GRID PEAKS Fit interpolation function to distortion

FLAT-FIELD CORRECTION Correct for source distribution, etc

HELP User help text

INPUT SPATIAL FUNCTION Recover from file distortion

INVERSE DISTORTED/IDEAL definition of distortion mapping

LEARN HOLE PROFILE Average sub-pixel hole profile

LINEARISE INTENSITIES Correct intensities for non-linearity

OUTPUT SPATIAL FUNCTION Save current distortion function

PLATYPUS CORRECTION FILE Create PLATYPUS calibration file

QUIT Exit fit sub-menu

RE-CALCULATE DISTORTION More user choice on distortion

RESIDUALS OF FIT Fit minus measured distortion (in memory)

SAVE PEAKS Output peak position to ASCII file

SIZE (IMAGE DISPLAY) Change region size for "FIND PEAKS"

SPATIAL CORRECTION Apply spatial correction function

TRANSFER DISTORTION Save distortion values in memory

VIEW PEAKS Examine peak positions and distortions

XRII FLAT-FIELD Theoretical flat-field correction