Re: [R] PNG resolution

2010-01-29 Thread Matthew Walker
Hi, For those who are interested in the solution to this problem, I modified the cairoDevice driver (version 2.10) so that it is now resolution-aware. The owner of the package will probably include my changes in his next release, but if in the meantime you would like to use the modified vers

Re: [R] PNG resolution

2010-01-29 Thread Matthew Walker
__ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

Re: [R] PNG resolution

2010-01-27 Thread Joshua Wiley
Hello Matthew, I do not have a direct answer to your problem, but you could try saving it as an EPS and then rasterizing it using a graphics program (e.g., GIMP) to whatever resolution you wanted. Best luck finding a real solution. Joshua On Tue, Jan 26, 2010 at 9:05 AM, Matthew Walker wrote

Re: [R] PNG resolution

2010-01-26 Thread Matthew Walker
Dieter Menne wrote: Matthew Walker wrote: I expect that if I change only the resolution of an image, although the image would have more pixels, if viewed in the same physical size, the elements in the image would have the same physical size but with more detail. The sample you p

Re: [R] PNG resolution

2010-01-26 Thread Dieter Menne
Matthew Walker wrote: > > I expect that if I change only the resolution of an image, although the > image would have more pixels, if viewed in the same physical size, the > elements in the image would have the same physical size but with more > detail. > > The sample you provided create f

[R] PNG resolution

2010-01-26 Thread Matthew Walker
Hi, I expect that if I change only the resolution of an image, although the image would have more pixels, if viewed in the same physical size, the elements in the image would have the same physical size but with more detail. However, when I use the "res" parameter of png() this is not what I

Re: [R] png() resolution problem {was "Silhouette ..."}

2009-06-22 Thread Uwe Ligges
Martin Maechler wrote: Hallo Sebastian, "SP" == Sebastian Pölsterl on Sun, 14 Jun 2009 14:04:52 +0200 writes: SP> Hello Martin, SP> I plotting the silhouette of a clustering and storing it as png. When I SP> try to store the image as png the bars are missing. The bars are

[R] png() resolution problem {was "Silhouette ..."}

2009-06-20 Thread Martin Maechler
Hallo Sebastian, > "SP" == Sebastian Pölsterl > on Sun, 14 Jun 2009 14:04:52 +0200 writes: SP> Hello Martin, SP> I plotting the silhouette of a clustering and storing it as png. When I SP> try to store the image as png the bars are missing. The bars are plotted SP>