Plotting read coverage over generegion track with Giz. Selecting gene region by location chr, start, stop. I get several transcripts that start outside the defined region, hence no transcript label in plot. I could label exons, but that is messy. Has anyone solved how to label these transcripts?

Chris

As an example

library(Gviz)
data(cyp2b10)
grTrack <- GeneRegionTrack(cyp2b10, showID = TRUE, just.group = "above")
plotTracks(grTrack, showId=TRUE) 
plotTracks(grTrack, showId=TRUE,from=25911238, to = 25917285 )