Dear list,

I use RGtk and Rtcltk to build some graphical interface for 
bioinformatics data analysis applications. I'm just wondering why the 
graphic display is so slow. For example, I tried to build a 2000 rows & 
5 levels tree with both Rgtk and Rtcltk. RGtk cost about 15 seconds and 
Rtcltk about 10 seconds to load up...
And I really wanna do is something like 22000 rows.

Is there a fatser way to build such tree view GUI? Is RJava fast 
enough? Haven't tried it yet.
BTW, I'm using ibook G4 MacOS 10.3, R2.0

Also, can anyone suggest any R packages that does interactive 
dendrogram displays? The plot.dendrogram is has only identify function 
and is not zoomable and things like that.


Many thanks.

___________________________________________________

Zhesi He
Computational Biology Laboratory, University of York
York YO10 5YW, U.K.
Phone:  +44-(0)1904-328279
Email:  zh107@york.ac.uk
___________________________________________________

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