Interactive Keystroke Commands

?	Print help 
:	Colon commands

g	Draw a plot of the current fit
i	Draw the residuals plot for the current fit
p	Draw a plot of current photometry
s	Draw histograms for the image region nearest the cursor
l	Draw the least squares fit for the image region nearest the cursor 
h	Draw histogram plot of each image region in turn
l	Draw least squares fits plot of each image region in turn
r	Redraw the current plot
d	Delete the image region nearest the cursor
u	Undelete the image region nearest the cursor
f	Recompute the intensity matching function
w	Update the task parameters
q	Exit


		Colon Commands

:markcoords	    Mark objects on the display
:marksections	    Mark image sections on the display
:show	            Show current values of all the parameters

		Show/set Parameters

:input		[string]    Show/set the current input image
:reference	[string]    Show/set the current reference image / phot file 
:regions	[string]    Show/set the current image regions
:photfile	[string]    Show/set the current input photometry file
:lintransform	[string]    Show/set the linear transform database file name
:dnx		[value]	    Show/set the default x size of an image region
:dny		[value]	    Show/set the default y size of an image region
:shifts		[string]    Show/set the current shifts file
:xshift		[value]     Show/set the input image x shift
:yshift		[value]     Show/set the input image y shift
:output		[string]    Show/set the current output image name
:maxnregions		    Show the maximum number of objects / regions
:gain		[string]    Show/set the gain value / image header keyword
:readnoise	[string]    Show/set the readout noise value / image header
                            keyword

:scaling		    Show the current scaling algorithm
:datamin	[value]     Show/set the minimum good data value
:datamax	[value]     Show/set the maximum good data value
:nreject	[value]	    Show/set the maximum number of rejection cycles
:loreject	[value]     Show/set low side k-sigma rejection parameter
:hireject	[value]     Show/set high side k-sigma rejection parameter