Hello,

I have encountered a strange issue with the plotting function in my package "girafe" that I need some help with. I haven't changed anything in the plot methods or the NAMESPACE of the package recently, and it worked before, yet I observe the following error now.

When calling the "plot" method for objects of the class "AlignedGenomeIntervals", rather than using the appropriate S4 method and calling another function (plotAligned), R falls back to the S3 method "plot.Intervals_full" (Intervals_full is the class that AlignedGenomeIntervals indirectly inherits from). Please see below for the sessionInfo() output.

Has anybody encountered the same behaviour or any insights what might be going on? I'm grateful for any suggestions what I could fix in the method definition and/or the NAMESPACE. I guess as a workaround I could add an S3 plot method for the "AlignedGenomeIntervals" calls but that would be rather ugly.

Thanks in advance,
Joern


> sessionInfo()
R Under development (unstable) (2013-03-12 r62224)
Platform: x86_64-unknown-linux-gnu (64-bit)
...
other attached packages:
 [1] org.Mm.eg.db_2.9.0     RSQLite_0.11.2 DBI_0.2-5
 [4] AnnotationDbi_1.21.13  Biobase_2.19.3 girafe_1.11.2
 [7] genomeIntervals_1.15.1 intervals_0.14.0 ShortRead_1.17.10
[10] latticeExtra_0.6-24    RColorBrewer_1.0-5 lattice_0.20-13
[13] Rsamtools_1.11.21      Biostrings_2.27.11 GenomicRanges_1.11.36
[16] IRanges_1.17.37        BiocGenerics_0.5.6 BiocInstaller_1.9.7

loaded via a namespace (and not attached):
[1] bitops_1.0-5    BSgenome_1.27.1 hwriter_1.3     stats4_3.1.0
[5] tcltk_3.1.0     tools_3.1.0     zlibbioc_1.5.0


Example producing the error:

library("girafe")
example("plotAligned")




--
Joern Toedling, PhD
Core Facility Bioinformatics
Institute of Molecular Biology gGmbH (IMB)
http://www.imb-mainz.de
Tel.: +49 6131 39 21528

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