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<title>ploticus: program limitations</title>
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  <td><br><h2>program limitations</h2></td>
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.TH program_limitations PL "17-SEP-2001   PL www.sgpr.net"

.SH CAPACITY LIMITS
Ploticus has these capacity limitations.
They may be raised or lowered by modifying \fCpl.h\fR.
.IP
Data storage capacity: 1 million characters (data is stored as text).
.IP
Max total number of data fields: 200,000
.IP
Max length of a line in a ploticus script: 3000 chars before & after variable evaluation
.IP
Maximum total number of lines in current proc and all #saved procs: 5000
.IP
Max length of variable contents: 250 chars
.IP
Max length of data field: 250 chars
.IP
Max length of input data record: 2998 chars
.IP
Max length of field names and variable names: 38 chars
.IP
Max number of values for rangebar percentile computation: 100,000
.IP
Max number of points for lineplot, scatterplot or curvefit result curve: 50,000.
.IP
Max number of points for rangesweep: 33,333.
.IP
Max number of scale categories in X: 100; in Y: 100.
.IP
Max number of points from which to compute a 
moving average or regression curve in proc curvefit: 5000.  
Bspline curve: 100.
.IP
Max number of points in polygon (including line plot w area under curve filled): 1000
.LP
Proc Tabulate limits: 
.IP
max number of proc tabulate rows  200;
.IP
max number of proc tabulate columns  200; 
.IP
max number of proc tabulate ranges  200;
.IP
# of significant characters for differentiation during tabulation  38.

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.SH SYSTEM RESOURCES
By default, the max amount of CPU time allowed is 10 seconds, and any files
created cannot be larger than 5,000,000 bytes. 
These limits are enforced using setrlimit(), and a core dump occurs when 
limits are exceeded.  These limits may be modified using a 
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\0config file
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or by modifying pl.h 

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