These are three programs I wrote mostly in the early 1990s to analyze data. By now, there are a number of alternatives available, but to me these programs are still serving a good purpose. I even sometimes make small changes....
The programs on this page are written in good-old Fortran-77 and come as source code under the Apache-2.0 license. If you're looking for some re-usable python code I wrote look in the column on the left.
- Scatter is a program to make X-Y plots. It reads a column-formatted file of data points (one line per data point). It writes its output as an "svg" file that can be handled by programs like InkScape.
- Balkjes is a program to make histograms. It reads a column-formatted file of data points (one line per data point). It writes its output as an "svg" file.
- Contour3D is a program that reads a special file containing an XYZ grid with scalar data, and writes an "OOGL" file with a 3D contour. "OOGL" data can be viewed using the ancient geomview program.
Download contour3d version 3.0.