This is most likely unrelated to the aroma framework and more likely to be related to a setup issue with one of your PNG device drivers. To troubleshoot, what does the following output give if you start a fresh R session:
library("aroma.core"); pngDev <- findPngDevice(transparent=FALSE, force=TRUE); print(pngDev); pngDev("foo.png"); plot(1:10); dev.off(); /Henrik On Wed, Jun 27, 2012 at 6:19 AM, mangoC <ariesliu...@gmail.com> wrote: > Hello there, > > I had a look at archive with similar topics but haven't been able to find a > solution. So I am posting the error msg, if any one could drop some hints on > how to solve the problem. Many thanks. > >>library(aroma.affymetrix); >>library(aroma.core); > When I do >>process(ae, verbose=verbose); > > Generating ArrayExplorer report... > Color maps: log2,log2neg,rainbow, log2,log2pos,rainbow > Chip type: HuEx-1_0-st-v2,coreR3,A20071112,EP > . > . > > Error in library.dynam(lib, package, package.lib) : > shared object ‘png.so’ not found > Generating ArrayExplorer report...done > >>sessionInfo() > R version 2.15.0 (2012-03-30) > Platform: x86_64-redhat-linux-gnu (64-bit) > > locale: > [1] LC_CTYPE=en_US.utf8 LC_NUMERIC=C > [3] LC_TIME=en_US.utf8 LC_COLLATE=en_US.utf8 > [5] LC_MONETARY=en_US.utf8 LC_MESSAGES=en_US.utf8 > [7] LC_PAPER=C LC_NAME=C > [9] LC_ADDRESS=C LC_TELEPHONE=C > [11] LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=C > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > other attached packages: > [1] preprocessCore_1.18.0 Biobase_2.16.0 BiocGenerics_0.2.0 > [4] aroma.affymetrix_2.5.0 affxparser_1.28.0 aroma.apd_0.2.2 > [7] R.huge_0.4.0 aroma.core_2.5.0 aroma.light_1.24.0 > [10] matrixStats_0.5.0 R.rsp_0.7.5 R.cache_0.6.2 > [13] R.filesets_1.1.5 digest_0.5.2 R.utils_1.12.1 > [16] R.oo_1.9.3 affy_1.34.0 R.methodsS3_1.2.2 > > loaded via a namespace (and not attached): > [1] affyio_1.24.0 BiocInstaller_1.4.7 tools_2.15.0 > [4] zlibbioc_1.2.0 > > > . > > > > -- > When reporting problems on aroma.affymetrix, make sure 1) to run the latest > version of the package, 2) to report the output of sessionInfo() and > traceback(), and 3) to post a complete code example. > > > You received this message because you are subscribed to the Google Groups > "aroma.affymetrix" group with website http://www.aroma-project.org/. > To post to this group, send email to aroma-affymetrix@googlegroups.com > To unsubscribe and other options, go to http://www.aroma-project.org/forum/ -- When reporting problems on aroma.affymetrix, make sure 1) to run the latest version of the package, 2) to report the output of sessionInfo() and traceback(), and 3) to post a complete code example. You received this message because you are subscribed to the Google Groups "aroma.affymetrix" group with website http://www.aroma-project.org/. To post to this group, send email to aroma-affymetrix@googlegroups.com To unsubscribe and other options, go to http://www.aroma-project.org/forum/