##triangulation_commands.txt # # Discussion: # # Draw a triangulation. # # Licensing: # # This code is distributed under the GNU LGPL license. # # Modified: # # 13 March 2014 # # Author: # # John Burkardt # set term png set output "triangulation.png" # # Set the range. # This doesn't seem to do a damn thing. # set xrange [ 0.0 : 4.0 ] set yrange [ 0.0 : 4.0 ] # # We don't want a legend box to appear listing the data we are displaying. # set nokey # # We don't want a border. # set noborder # # Set the title of the plot. # set title "Triangulation" # # Suppress the display of tics and labels along the axes. # unset tics # # Make X and Y axes the same length. # set size ratio 1 # # We request filled polygons. # set style fill solid 0.10 border lt -1 # # Define the triangles as polygons. # set object polygon from 0,0 to 1,0 to 0,1 to 0,0 fc rgb "red" set object polygon from 1,1 to 0,1 to 1,0 to 1,1 fc rgb "red" set object polygon from 1,0 to 2,0 to 1,1 to 1,0 fc rgb "red" set object polygon from 2,1 to 1,1 to 2,0 to 2,1 fc rgb "red" set object polygon from 2,0 to 3,0 to 2,1 to 2,0 fc rgb "red" set object polygon from 3,1 to 2,1 to 3,0 to 3,1 fc rgb "red" set object polygon from 3,0 to 4,0 to 3,1 to 3,0 fc rgb "red" set object polygon from 4,1 to 3,1 to 4,0 to 4,1 fc rgb "red" set object polygon from 0,1 to 1,1 to 0,2 to 0,1 fc rgb "red" set object polygon from 1,2 to 0,2 to 1,1 to 1,2 fc rgb "red" set object polygon from 1,1 to 2,1 to 1,2 to 1,1 fc rgb "red" set object polygon from 2,2 to 1,2 to 2,1 to 2,2 fc rgb "red" set object polygon from 2,1 to 3,1 to 2,2 to 2,1 fc rgb "red" set object polygon from 3,2 to 2,2 to 3,1 to 3,2 fc rgb "red" set object polygon from 3,1 to 4,1 to 3,2 to 3,1 fc rgb "red" set object polygon from 4,2 to 3,2 to 4,1 to 4,2 fc rgb "red" set object polygon from 2,2 to 3,2 to 2,3 to 2,2 fc rgb "red" set object polygon from 3,3 to 2,3 to 3,2 to 3,3 fc rgb "red" set object polygon from 3,2 to 4,2 to 3,3 to 3,2 fc rgb "red" set object polygon from 4,3 to 3,3 to 4,2 to 4,3 fc rgb "red" set object polygon from 2,3 to 3,3 to 2,4 to 2,3 fc rgb "red" set object polygon from 3,4 to 2,4 to 3,3 to 3,4 fc rgb "red" set object polygon from 3,3 to 4,3 to 3,4 to 3,3 fc rgb "red" set object polygon from 4,4 to 3,4 to 4,3 to 4,4 fc rgb "red" # set timestamp # # I seem to need to have a PLOT command or the boxes don't show up. # I wish I knew how to NOT do this. # plot -1 # # All done. # quit