call messag make sure space fit messag creat param fig messag ensur space fig messag fig messag make sure minimum gap messag drawn fig messag messag nearest messag fig classifi role sourc fig node fig messag messag fig messag fig messag point messag messag point fig messag messag messag gap fig messag translat edg messag messag gap fig messag make sure minimum gap messag drawn defin log lp log granular type statement lp log local nest ifdef sequencediagram log info look minimum space endif fig messag messag nearest messag fig classifi role sourc fig node fig messag height plu gap fig messag action height plu gap activ height messag gap height plu gap messag gap messag messag point fig messag point height plu gap dy fig messag point height plu gap messag point fig messag fig messag fig messag fig translat edg dy fig creat action fig classifi role fcr fig classifi role fig dest fig node fcr posit head fig 