# Parameter file for the XREGISTER task

input,s,a,,,,Input images to be registered
reference,s,a,,,,Input reference images 
regions,s,a,"",,,Reference image regions used for registration
shifts,f,a,"",,,Input/output shifts database file
output,s,h,"",,,Output registered images
databasefmt,b,h,yes,,,Write the shifts file in database format ?
append,b,h,no,,,Open shifts database for writing in append mode ?
records,s,h,"",,,List of shifts database records
coords,f,h,"",,,Input coordinate files defining the initial shifts
xlag,i,h,0,,,Initial shift in x
ylag,i,h,0,,,Initial shift in y
dxlag,i,h,0,,,Incremental shift in x
dylag,i,h,0,,,Incremental shift in y

background,s,h,"none","|none|mean|median|plane|",,Background fitting function
border,i,h,INDEF,,,Width of border for background fitting
loreject,r,h,INDEF,,,Low side k-sigma rejection factor
hireject,r,h,INDEF,,,High side k-sigma rejection factor
apodize,r,h,0.0,0.0,0.5,Fraction of endpoints to apodize
filter,s,h,"none","|none|laplace|",,Spatially filter the data

correlation,s,h,"discrete","|discrete|fourier|difference|file|",,Cross-correlation function
xwindow,i,h,11,3,,Width of correlation window in x
ywindow,i,h,11,3,,Width of correlation window in y

function,s,h,"centroid","|none|centroid|sawtooth|parabola|mark|",,Correlation peak centering function
xcbox,i,h,5,3,,X box width for centering correlation peak
ycbox,i,h,5,3,,Y box width for fitting correlation peak

interp_type,s,h,"linear",,,'Interpolant'
boundary_type,s,h,"nearest","|constant|nearest|reflect|wrap|",,'Boundary (constant,nearest,reflect,wrap)'
constant,r,h,0.0,,,Constant for constant boundary extension

interactive,b,h,no,,,Interactive mode ?
verbose,b,h,yes,,,Verbose mode ?
graphics,s,h,"stdgraph",,,The standard graphics device
display,s,h,"stdimage",,,The standard image display device
gcommands,*gcur,h,"",,,The graphics cursor
icommands,*imcur,h,"",,,The image display cursor
mode,s,h,ql,,,