[BioC] arrayQualityMetrics: Binning grid too coarse for current (small) bandwidth
Florian Hahne
florian at eldopa.net
Tue Mar 23 20:56:58 CET 2010
Hi Wolfgang,
I am not sure that we want to move smoothScatter from base graphics to
grid graphics. This makes adding to the graph much harder. There is a
grid version in the lattice package using panel.levelplot, so maybe
Deepayan can be convinced to use grid.raster directly in there.
Bw,
Florian
On 23.03.2010, at 09:32, Wolfgang Huber wrote:
>> Dear Koen,
>> Thank you for your feedback, I will have a look at the warnings you
>> are
>> mentioning. I have seen this before on users machine during
>> tutorials but I
>> was not able to reproduce these warnings so far, which makes it
>> difficult to
>> correct it (I actually thought I corrected it).
>> About the size of the pdf files, what you can do is to use each of
>> the
>> aqm.xxx functions to generate the figures one by one, and then save
>> them
>> with your specifications to make them smaller/lighter.
>
>
> I suppose the file size problem eventually traces down to the
> current implementation of the 'smoothScatter' function in the
> 'graphics' package, which uses 'image'. It should be possible to
> replace this with 'grid.raster' - I'll see whether I find time to do
> this; or it would be great if someone were keen to provide a patch!
>
>
> Best wishes
> Wolfgang
>
>
> --
> Wolfgang Huber
> EMBL
> http://www.embl.de/research/units/genome_biology/huber/contact
>
>
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