toms463

toms463, a Fortran77 code which implements ACM toms algorithm 463, for determining a nice, rounded range and interval width for a computer-generated plot.

The text of many ACM TOMS algorithms is available online through ACM: https://www.acm.org/pubs/calgo or NETLIB: https://www.netlib.org/toms/index.html.

Usage:

call scale1 ( xmin, xmax, n, xminp, xmaxp, dist )

where XMIN and XMAX are the data range, and N is the desired number of intervals. The revised range is XMINP to XMAXP, with an interval width of DIST and approximately N intervals.

call scale2 ( xmin, xmax, n, xminp, xmaxp, dist )

where XMIN and XMAX are the data range, and N is the desired number of intervals. The revised range is XMINP to XMAXP, with an interval width of DIST, and exactly N intervals.

call scale3 ( xmin, xmax, n, xminp, xmaxp, dist )

where XMIN and XMAX are the data range, and N is the desired number of intervals. The revised range is XMINP to XMAXP, with N logarithmic intervals whose successive ratio is DIST.

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

toms463 is available in a Fortran77 version.

Related Data and Programs:

toms463_test

Reference:

1. CR Lewart,
   Algorithm 463: Algorithms SCALE1, SCALE2 and SCALE3 for Determination of Scales for Computer Generated Plots,
   Communications of the ACM,
   October 1973, Volume 16, Number 10, pages 639-640.

Source Code:

• toms463.f, the source code.
• toms463.sh, commands to compile the source code.