[Rd] filled.contour+graphics output

plic plouf plicplouf@yahoo.com
Thu, 31 Jan 2002 07:30:57 -0500 (EST)


I really happy to see how fast R is going : another
new release !!!!!. I'm currently  using daily this 
software and really like it. Thanks for this nice

I don't know how to proceed for my question and if I
had to write to you about that.

I got some trouble with postscript output mainly  but
other like png, jpeg and even screen  especially with
the function filled.contour

First of all for postscript the output is really huge
with my chart something 
like 3 MO and slow on the screen to appear I guess for
the same reason. 
It seems that the driver writes in the file everything
even parts from graph  that are in background and 
will be cover by an upper level and make the file 
really huge.

Then the graph is split in small voxel according to
the size of the matrix in input, all this voxel are
also written in the output but not really efficiently.
Because  I guess the output should during rendering
write the complete level instead of  all voxel that
make the file so big and slow to 
appear on the screen. 

Also the function  adding asp=1 for conservation of
the scale with x and y 
doesn't work properly with fixing the range of the
the control of the range of xlim, and ylim are not
accurate and sometime give 
on the output an incomplete filling of the box .

Last point I would like to have the key to have an
independent behavior and be able for example to use
the same one and only one for different level plots.
It's maybe possible but never figure out how to do.

Best regards 


PS Could you please give also the answer and comments
directly to my mail plicplouf@yahoo.com Thanks

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