- using R version 2.11.0 Under development (unstable) (2009-11-06 r50317)
- using session charset: UTF-8
- checking for file 'rgl/DESCRIPTION' ... OK
- this is package 'rgl' version '0.87'
- checking package name space information ... OK
- checking package dependencies ... OK
- checking if this is a source package ... OK
- checking for executable files ... OK
- checking whether package 'rgl' can be installed ... OK
- checking package directory ... OK
- checking for portable file names ... OK
- checking for sufficient/correct file permissions ... OK
- checking DESCRIPTION meta-information ... OK
- checking top-level files ... OK
- checking index information ... OK
- checking package subdirectories ... OK
- checking R files for non-ASCII characters ... OK
- checking R files for syntax errors ... OK
- checking whether the package can be loaded ... OK
- checking whether the package can be loaded with stated dependencies ... OK
- checking whether the name space can be loaded with stated dependencies ... OK
- checking for unstated dependencies in R code ... OK
- checking S3 generic/method consistency ... OK
- checking replacement functions ... OK
- checking foreign function calls ... OK
- checking R code for possible problems ... OK
- checking Rd files ... OK
- checking Rd metadata ... OK
- checking Rd cross-references ... OK
- checking for missing documentation entries ... OK
- checking for code/documentation mismatches ... OK
- checking Rd \usage sections ... OK
- checking line endings in C/C++/Fortran sources/headers ... OK
- checking line endings in Makefiles ... OK
- checking for portable compilation flags in Makevars ... OK
- checking for portable use of $BLAS_LIBS ... OK
- checking examples ... ERROR
Running examples in 'rgl-Ex.R' failed.
The error most likely occurred in:
> ### * rgl.pixels
>
> flush(stderr()); flush(stdout())
>
> ### Name: rgl.pixels
> ### Title: Extract pixel information from window
> ### Aliases: rgl.pixels
> ### Keywords: dynamic
>
> ### ** Examples
>
> example(surface3d)
srfc3d> #
srfc3d> # volcano example taken from "persp"
srfc3d> #
srfc3d>
srfc3d> data(volcano)
srfc3d> z <- 2 * volcano # Exaggerate the relief
srfc3d> x <- 10 * (1:nrow(z)) # 10 meter spacing (S to N)
srfc3d> y <- 10 * (1:ncol(z)) # 10 meter spacing (E to W)
srfc3d> zlim <- range(y)
srfc3d> zlen <- zlim[2] - zlim[1] + 1
srfc3d> colorlut <- terrain.colors(zlen) # height color lookup table
srfc3d> col <- colorlut[ z-zlim[1]+1 ] # assign colors to heights for each point
srfc3d> open3d()
[1] 30
srfc3d> surface3d(x, y, z, color=col, back="lines")
> depth <- rgl.pixels(component="depth")
> if (is.matrix(depth)) # Protect against single pixel windows
+ contour(depth)
Error in contour.default(depth) : no proper 'z' matrix specified
Calls: contour -> contour.default
Execution halted