Displaying 2 results from an estimated 2 matches for "validdetail".
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validdetails
2007 May 20
1
lattice contourplot error
Hello,
A weird thing is happening to me. I have a 128x128 elements matrix m
with values between 0 and 1. If I do:
R> library(lattice)
R> contourplot (m, cuts=9)
I get the following error message: Error in validDetails.text(x) :
Invalid 'rot' value
The same for any cuts >9.
I can plot m with contourplot(m, cuts=8) but this is not detailed
enough. The 'normal' R image and contour commands work just fine so it
seems there is nothing wrong with the data. What is this 'rot' value ?
What h...
2010 Feb 22
1
grid unit bug? (PR#14220)
The following seems to me to be at least a perverse trap, if not an =
outright
bug:
> is.numeric(unit(1,"npc"))
[1] TRUE
> is.numeric(1*unit(1,"npc"))
[1] FALSE
> is.numeric(unit(0,"npc") +unit(1,"npc"))
[1] FALSE
...etc.
i.e. is.numeric() appears to be TRUE for class "unit" but false for =
class
("unit.arithmetic"