A selection creator for Mastodon, as a Mastodon plugin. Utility to create a selection model from parsing expressions, based on Curtis Rueden SciJava Parsington.
Expression are strings where a small language can be used to combine conditions and filters on vertices and edges.
Check this for documentation and explanation fo the syntax: .
| Expression | Meaning |
|---|---|
vertexFeature('Spot position', 'X') > 100. |
Get all the vertices whose X position is strictly greater than 100. The specified feature value must be computed prior to parsing for this to return a useful selection. |
tagSet('Reviewed by') == 'JY' |
Return the vertices and edges tagged by JY in the tag-set Reviewed by. Of course, both specified tag-set and tag must exist. |
vertexFeature('Spot N links') == 3 & vertexFeature('Spot frame') == 25 |
Get the vertices that are in the frame 25 AND have 3 edges. |
vertexFeature('Spot N links') == 3 | vertexFeature('Spot frame') == 25 |
Get the vertices that have 3 edges plus the vertices in the frame 25. |
( vertexFeature('Spot N links') == 3 ) + ( vertexFeature('Spot frame') == 25 ) |
Get the vertices that have 3 edges plus the vertices in the frame 25. Same as above, the + sign as the same meaning that |, but different priority so we have to add brackets to avoid errors. |
morph( ( vertexFeature('Spot N links') == 3 & vertexFeature('Spot frame') == 14 ), ('toVertex', 'outgoingEdges') ) |
Get the vertices of the frame 14 that have 3 edges, and return them plus their outgoing edges. |
selection & ( vertexFeature('Spot N links') == 1 ) |
Get the currently selected vertices that have exactly 1 edge. |
morph(vertexSelection, 'incomingEdges') |
Get the incoming edges of the vertices in the selection. |
edgeSelection |
Just return the edges of the current selection. |
selection - ( vertexFeature('Spot N links') == 2 ) |
Remove from the selection all the spots that have 2 links. |
vertexTagSet('Reviewed by') != 'JY' |
All the vertices that are NOT tagged with JY in the tag-set Reviewed by. |
!vertexTagSet('Reviewed by') |
All the vertices that are NOT tagged with any tag in the tag-set Reviewed by. |
~vertexTagSet('Reviewed by') |
All the vertices that are tagged with any tag in the tag-set Reviewed by. |