How to download and try this example
Usage: pl -gif -map clickmap_annot.htm
#setifnotgiven CGI = "http://ploticus.sourceforge.net/cgi-bin/showcgiargs" #proc page pagesize: 6 5 #proc annotate location: 3 4.6 textdetails: size=14 text: Annotation examples #proc annotate clickmapurl: @CGI?label=example_1 location: 3 4 arrowhead: 3.2 4.5 text: Example one #proc annotate clickmapurl: @CGI?label=example_2 location: 3 3.5 arrowhead: 2 4 arrowhead2: 4 4 box: yes backcolor: yellow text: Example two, with two arrows #proc annotate clickmapurl: @CGI?label=example_3 location: 3 3 arrowhead: 1.8 3 box: yes backcolor: lightorange text: Example three