gnuplot rectangle border color

  1. Use the "set object" command in gnuplot to create a rectangle with a border.
  2. Specify the rectangle's coordinates and size using the "rect" option in the "set object" command.
  3. Use the "fc" (fillcolor) and "fs" (fillstyle) options to set the fill color and style for the rectangle.
  4. Set the border color using the "linecolor" option within the "set object" command.
  5. Use the "lw" (linewidth) option to specify the width of the rectangle's border line.
  6. Finally, plot the rectangle using the "plot" command in gnuplot to visualize the rectangle with the specified border color.