ccPlot(contain n ccTracks)+ccTrack=ccPlot(contain n+1 ccTracks),n>=0
ccPlot(contain n ccLinks)+ccLink=ccPlot(contain n+1 ccLinks),n>=0
ccTrak(contain n ccTrakGeoms)+ccTrackGeom=ccTrack(contain n+1 ccTrackGeoms),n>=0
ccTrack(contain n ccCells)+ccCell=ccTrack(contain n+1 ccCells),n>=0
ccCell(contain n ccCellGeoms)+ccCellGeom=ccCell(contain n+1 ccCellGeoms),n>=0
Usage
# S4 method for class 'ccPlot,ccPar'
e1 + e2
# S4 method for class 'ccPlot,ccTrack'
e1 + e2
# S4 method for class 'ccPlot,ccLink'
e1 + e2
# S4 method for class 'ccTrack,ccTrackGeom'
e1 + e2
# S4 method for class 'ccTrack,ccCells'
e1 + e2
# S4 method for class 'ccTrack,ccCell'
e1 + e2
# S4 method for class 'ccCell,ccCellGeom'
e1 + e2
# S4 method for class 'ccCells,ccCellGeom'
e1 + e2
# S4 method for class 'ccHeatmap,ccPar'
e1 + e2
# S4 method for class 'ccHeatmap,ccTrack'
e1 + e2
# S4 method for class 'ccHeatmap,ccLink'
e1 + e2