Command interpreter reference and parameter file format


Introduction

xmgr provides a command line interface and the ability to save plot parameters in a file for later retrieval. The syntax for the command line interpreter and parameter files is the same. It is instructive to read a parameter file into the command line interpreter and press the `Replay' button to verify this feature.


Reference

Case is ignored by the command line interpreter.

For the sake of clarity, however, CAPITALS are generally to be taken literally in the following examples while lower case words represent parameters:

color
integer value from 0 to 29.
string
double quote enclosed character string.
integer
any integer >= 0
number
any floating point value >= 0.0
fitparm
Parameter used for non-linear fit in the form An where n is the number of the parameter.
fitpmin
Low bound for a parameter used for non-linear fit in the form AnMIN where n is the number of the parameter.
fitpmax
Upper bound for a parameter used for non-linear fit in the form AnMAX where n is the number of the parameter.
expr
any expression (includes negative floating point values)
onoff
ON or OFF
torf
TRUE or FALSE
setnum
Set descriptor in the form Sn where n is the number of the set.
graphno
Graph descriptor in the form Gn where n is the number of the graph.
regnum
Region descriptor in the form Rn where n is the number of the region.
axis
One of XAXIS, YAXIS, ZEROXAXIS, ZEROYAXIS, XAXES, YAXES.
direction
One of UP, DOWN, LEFT, RIGHT, IN, OUT.
opchoice
One of TOP, BOTTOM, LEFT, or RIGHT.
xytype
one of (number of values per point in parentheses):
formatchoice
One of:

The Julian date format is the long form. There are 2 programs in the subdirectory aux/ that can be used to convert data from Gregorian to Julian and vice versa. The Degrees format is for latitude and longitude. Below the equator latitudes are negative. Longitude is assumed positive east of Greenwich and negative to the west.


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