home *** CD-ROM | disk | FTP | other *** search
- UGRAPH.DOC ---> Documentation for UGRAPH.CMD and DEMGRAPH.CMD
-
- Written by John Hathaway (3/1/83)
-
-
- The UGRAPH command file is a screen graphics program which will
- generate bar or scatter graphs on the CRT screen using data from
- a specified data base file. It requires the input of two numeric
- fields ( FIELD X and FIELD Y ), a CONDITION ( ie.
- FIELD X<>0) and a LABEL field if the Bar option is chosen.
-
- The data base is first read to determine the minimum and maximum
- values in each variable field using the conditions specified.
- Then these values are displayed and you are prompted to enter the
- actual axis endpoints. Since the alphanumeric graphics
- capabilities of DBASE are fairly limited, the number of intervals
- on each axis is preset. The Y axis has 4 intervals which means
- that the difference between the upper endpoint and the lower
- endpoint must be evenly divisable by 4 (so the labels don't come
- out like '4.6666666' ). The X axis has 5 intervals so its
- difference must be evenly divisable by 5.
-
- The program is fairly fast for short data bases but could take
- awhile for longer files. If your files are real long, I would
- suggest that you conditionally copy the data you want graphed
- into a temporary file.
-
- Legal Entries:
-
- FIELD (X/Y) : Any valid field name or the record number symbol
- (#)
-
- CONDITIONS: Any valid conditional statement including
- .AND.,.OR., and .NOT. The record number symbol (#)
- may also be used.
-
- LABELS: Any valid field name. The substring functrion ($)
- may also be used.
-
-
- This version of the program will run on any terminal with cursor
- addressing capabilities. I also have versions which will run on
- the Televidio 950 and H89/Z19 terminals. Leave a message here if
- you would like to have these uploaded.