See "Code example explaining image()" on http://www.maths.lth.se/help/R/image/.
Henrik Bengtsson > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Sean Davis > Sent: Wednesday, December 29, 2004 11:58 AM > To: r-help > Subject: Re: [R] about image(graphics) function > > > Buhard, > > The simplest way to do this is to make a new function, call it > my.image, for example, that does the reordering automatically. Then, > you can replace calls to image with calls to my.image. > > my.image(mat,...) { > mat2 <- mat[nrow(mat):1,] > image(mat2,...) > } > > I haven't tested the above, but that is the idea. Note how the '...' > allows you to pass any other parameters unchanged to image. > > Hope this helps. > > Sean > > On Dec 29, 2004, at 5:46 AM, Olivier BUHARD wrote: > > > Hi all, > > > > is it possible to modify the way a graph obtained > > through image(graphics) is filled, I mean starting > > filling the graphical matrix by row from the > > upper-left rather than by the lower-left cell... In > > many cases, it can be usefull to have a representation > > of the data spatialy corresponding to a real support, > > as it is the case with the function image(marray) from Bioconductor > > packages, which fills the graphical matrix by row from > upper-left, but > > just handles marrayRaw or marrayNorm objects. Of course, I could > > reorder the matrix, but it's heavier than with an > > already available function if it exists... > > > > Thanks a lot for help > > > > BUHARD Olivier > > > > ______________________________________________ > > [email protected] mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide! > > http://www.R-project.org/posting-guide.html > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
