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