plot_points, a Fortran90 code which reads data in the XY file format and creates an Encapsulated PostScript file.
In fact, the code can read data in the more general TABLE file format, allowing the user to select the two coordinates that will play the role of X and Y.
Plots you can make include:
You can specify the input file, add one box or circle, specify the kind of plot to be made, and a few other options, by entering commands interactively. The set of commands can be gotten via the "HELP" command. The full list is:
| command | Meaning |
|---|---|
| BALLOON | a "balloon" plot of points. |
| DASH | dash plot of connected points. |
| DOT | dot plot of points. |
| DEL | Delaunay triangulation plot |
| KM | K-Means plot. |
| TH | thin the points. |
| TV | triangulated Voronoi diagram. |
| VOR | Voronoi diagram plot. |
| Q | quit. |
| READ filename | read another input file. |
| OUTPUT filename | name the next output file. |
| BOX x1 y1 x2 y2 | draw a single box in the plot. |
| NOBOX | do not draw a box in the plot. |
| CIRCLE x y r | draw a single circle in the plot. |
| NOCIRCLE | do not draw a circle in the plot. |
| MARKER_SIZE = n | Specify marker size. |
| SHADOW | mark X and Y axes for each point. |
| TITLE | enter a title for the next plot. |
| X = n | specify data index to use as X. |
| Y = n | specify data index to use as Y. |
| # comment | make a comment. |
The information on this web page is distributed under the MIT license.
PLOT_POINTS is available in a Fortran90 version
box_plot, a MATLAB program which can color in specified entries of a checkerboard, corresponding to pairs of integer data.
ps_write, a Fortran90 library which is used by PLOT_POINTS.
xy_display, a MATLAB program which can read a file of coordinates of points, and display an image of the points in a MATLAB graphics window.
xy_display_opengl, a C++ code which can read a file containing 2D point coordinates, and display an image of those points using Open GL.