<process name="decisionsUsingTransitions" xmlns="http://jbpm.org/4.0/jpdl">
<start g="72,168,48,48" name="Start">
<transition to="Decision"/>
</start>
<decision expr="#{opcao}" g="192,168,48,48" name="Decision">
<transition g="217,84:23,-21" name="Opção A" to="Opção A"/>
<transition g="-26,-20" name="Opção B" to="Opção B"/>
<transition g="217,302:22,5" name="Opção C" to="Opção C"/>
</decision>
上記は JBPM jpdl.xml ファイルの一部ですが、後の数字 (つまり、72,168,48,48) は何をg=
意味するのでしょうか?