\define NodePath()
$:/plugins/felixhayashi/tiddlymap/graph/views/$(DDView)$/filter/nodes
\end
\define NodePathItem()
$(orignodevalue)$ [field:tmap.id[$(tmapid)$]]
\end
<$set name="orignodevalue" tiddler=<<NodePath>> field=filter>
<$button>Go!
<$action-setfield $tiddler="<<NodePath>>"
filter="<<NodePathItem>>"/>
</$button>
NodePath: <<NodePath>>
NodePathItemFilter: <<orignodevalue>>
NodePathItem: <<NodePathItem>>
</$set>
NodePath: $:/plugins/felixhayashi/tiddlymap/graph/views/TestView/filter/nodes
NodePathItemFilter: [field:tmap.id[6108ab72-75cd-4666-83b2-c457035032f2]] [field:tmap.id[68e33975-5d2e-461a-bbdc-4e28664f4fa9]] [field:tmap.id[9d610d4e-d8af-46f8-95d6-b4994f7ae1b8]] [field:tmap.id[31844828-2c8b-4d6b-a46d-afd8e58d0324]]
NodePathItem: [field:tmap.id[6108ab72-75cd-4666-83b2-c457035032f2]] [field:tmap.id[68e33975-5d2e-461a-bbdc-4e28664f4fa9]] [field:tmap.id[9d610d4e-d8af-46f8-95d6-b4994f7ae1b8]] [field:tmap.id[31844828-2c8b-4d6b-a46d-afd8e58d0324]] [field:tmap.id[dbd1a36a-7252-45cf-917c-e67c07d72032]]
I am not sure when but try it.