Hi
You have encountered the fact that, while there are "[" methods for grid
unit objects, there are NOT any "[<-" methods for grid unit objects.
I guess that needs to go (back) onto my todo list.
A workaround for your simple example is ...
unit.c(testUnits[1:2], testUnit2, testUnits[4:5])
... though I can imagine that getting pretty tedious in more complex cases.
Paul
pbarros wrote:
Hi,
I want to do subscripted assignment of grid units, but I cannot find a
straightforward way of doing it (and I have searched all forums and places I
could think about, including Paul Murrell,s page). The usual subscripted
assignment operator does replace the numeric part, but does not update the
attributes. Before I write my own function, manipulating attributes etc I
would like to know if such a function already exists (I am sure it does).
What I want to do can be reflected as in the code below:
testUnit <- unit(1, "lines")
testUnit
[1] 1lines
testUnits <- rep(testUnit, 5)
testUnits
[1] 1lines 1lines 1lines 1lines 1lines
testUnit2 <- unit(0.5, "grobwidth", textGrob("Testing"))
testUnits[3] <- testUnit2
testUnits
[1] 1lines 1lines 0.5lines 1lines 1lines
I would like to obtain
[1] 1lines 1lines 0.5grobwidth 1lines 1lines
Any tips?
Thanks,
Pedro
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