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+.help pltpar Jul93 tables
+.ih
+NAME
+pltpar -- Edit the parameter set that describes plot attributes.
+.ih
+USAGE
+pltpar
+.ih
+DESCRIPTION
+The 'pltpar' parameters specify the attributes of plots drawn by the
+'sgraph' task.
+
+Note that this is a pset, not an executable task;  it defines a set of 
+parameters used by other tasks.  Invoking the pset by name runs
+'eparam' on the parameter set, allowing the user to modify the
+parameters.  Alternatively, the parameters may be modified on the
+command line by specifying the pset name and parameter name, for
+example, you can type "pltpar.pointmode=yes" to set only the
+'pointmode' parameter.  Parameters can also be edited by using
+'eparam' on the calling task (e.g., by typing "eparam sgraph"), in 
+which case, 'pltpar' will appear as one of the task parameters; the
+'pltpar' parameters may then be edited by positioning the cursor on
+the line containing the pset name and typing ":e".  After editing
+the pset parameters, press Control-Z to return to the main task parameter menu.
+.ih
+PARAMETERS
+.ls (stack = no) [boolean]
+Stack multiple curves on separate vertical axes?  
+
+If this is set to
+"no", all curves will be scaled together and plotted on a single set of
+axes.  Otherwise a separate set of axes will be drawn, joined into a
+single vertical column.
+.le
+.ls (axis = 1) [integer, min = 1, max = 7]
+Axis along which projection is to be taken.  If the input image has
+more than one dimension, the data will be projected to a single
+dimension.  This parameter specifies the axis along which projection
+will occur.  The default is one, i.e., project along the X axis.
+.le
+.ls (pointmode = no) [boolean]
+Plot points only?  
+
+If set to "no", the task will plot connected curves.  Note that to
+plot error bars, you must set 'pointmode = no' and 'erraxis = 1' or 'erraxis =
+2'.  See the descriptions of  'marker' and 'szmarker'.
+.le
+.ls (marker = box) [string, allowed values: point | box | plus |
+cross | circle | diamond | hline | vline | hebar | vebar]
+
+The marker style for each plotted point if 'pointmode=yes'.  See also
+'szmarker'.
+.le
+.ls (szmarker = 0.005) [real]
+The size of the markers if 'pointmode = yes'.  If 'szmarker > 0', use
+this value as the size in normalized device coordinates (NDC) .  If
+'szmarker < 0', use the absolute value as the size in world coordinates
+(WCS).  If 'szmarker = 0' and the input comes from a text file, use the
+third column in the input data as the marker size.  If data are from an
+image or a table, then 'szmarker' specifies the same size of every point.
+.le
+.ls (erraxis = 0) [integer, min = 0, max = 2]
+Plot the data as error bars?  If 'erraxis = 0', plot the data as values
+rather than error bars;  if 'erraxis = 1', plot the data as errors
+parallel to the X axis; if 'erraxis =2', plot the data as errors
+parallel to the Y axis.  Note that the value of 'erraxis' is ignored if
+'pointmode = yes' and error bars will not be drawn.
+.le
+.ls (errtype = bartck) [string, allowed values: tckbar | bar | tick |
+limit]
+
+The style of error bars (if 'erraxis' is not zero).
+.le
+.ls (pattern = solid) [string, allowed values: solid | dashed | 
+dotted | dotdash]
+
+The line pattern style for the curve or the first of multiple curves.
+.le
+.ls (crvstyle = straight) [string, allowed values: straight | pseudohist 
+| fullhist]
+
+The curve style.  'straight' means line segments will connect data
+points, 'pseudohist' means that horizontal segments will be placed at
+each value and vertical segments will connect these, 'fullhist' means a
+bar graph, or horizontal segments at each value with vertical lines
+connecting the value with the bottom axis.
+.le
+.ls (rejectlog = yes) [boolean]
+Replace invalid logarithmic values with 'INDEF'?  
+
+Invalid values will
+be ignored in scaling and plotting.
+.le
+.ls (box = yes) [boolean]
+Draw the box containing the axes and labels around the edge of the
+window?
+.le
+.ls (sysid = yes) [boolean]
+Include standard system information in the plot title?  
+
+If the 'sysid'
+parameter is "yes", then a string including the user's name, date, host
+name, etc. is included in the plot title.
+.le
+.sp
+.ls (barpat ="hollow") [string, allowed values: hollow, solid, ahatch,
+bhatch, chatch, dhatch]
+
+Fill pattern for bar plot.  The nature of the pattern depends on the
+device and graphics kernel (driver) used to plot.  Many kernels do not
+support fill patterns.
+.le
+.sp
+.ls (crvcolor = INDEF) [integer, min = 1]
+Color index of data curve(s).  This color applies only to plotted data
+curves.  The color of any axes, labels, etc., is specified by
+the `color' parameter.  Note that the actual, drawn color will depend
+on the device and graphics kernel (driver) used to plot.  Many kernels
+do not support color at all.  The usual interpretation of the color
+index is:
+.nf
+
+    1 -- Black
+    2 -- White
+    3 -- Red
+    4 -- Green
+    5 -- Blue
+    6 -- Yellow
+    7 -- Cyan (blue/green)
+    8 -- Magenta (red/blue)
+.fi
+.le
+.ls (color = INDEF) [integer, min = 1]
+Color index of axis and labels.  The color of the data curve(s) is
+specified by the `crvcolor' parameter.  Note that the actual, drawn
+color will depend on the device and graphics kernel (driver) used to
+plot.  Most kernels do not support color.
+.le
+.ls (cycolor = no) [boolean]
+Cycle colors instead of line style for multiple curves?  
+
+If multiple curves are plotted on the same viewport (axes), i.e.,
+'stack=no', then use the color specified by the 'crvcolor' parameter
+for the first curve, and the next available color for each subsequent
+curve.  There are eight available colors, as described in the
+description of the 'crvcolor' parameter.
+.le
+.sp
+.ls (version = 17August92) [string]
+Date that the task was installed.  This parameter should not be changed by
+the user.
+.le
+.ih
+EXAMPLES
+.ih
+BUGS
+.ih
+SEE ALSO
+sgraph
+.endhelp