# NOT RUN {
data(leroydbbmm)
data(dbbmmstack)
getVolumeUD(leroydbbmm) #for a single object
getVolumeUD(dbbmmstack)
getVolumeUD(leroydbbmm, leroydbbmm, leroydbbmm) #for several objects
plot(getVolumeUD(leroydbbmm))
# }
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