GRI can be used interactively or non-interactively. Output is in Postscript format.
GRI commands can be typed interactively at the GRI prompt. However, most users will prefer to enter commands into a file. Sample GRI command file:
------- this file is example1.gri ---------------- # Example 1 -- Linegraph of data in separate file open example1.dat # Open the data file read columns x y # Read (x,y) columns draw curve # Draw data curve draw title "Example 1"# Title above plot
This set of GRI commands can be run by typing
Output from this run