On Tue, 11 Mar 2003, Marc Schwartz wrote: > Finally, you might also consider using the 'cex' argument in both > plot() and points(), which can reduce the size of the plotting > symbols. The default for par(cex) is 1.0, so you might try smaller > values.
Changing the pointsize helps a bit, however, it makes the points that aren't overlapped almost impossible to see. [Single pixels in a 1900x1600 plot are quite hard for my eyes to dicern, and it basically gets back to a mere density plot.] What I'm really looking for is a method to adjust the mode in which the points are drawn, so that those that overlap a point of a different color produce yet a third color in the region of overlap. Don Armstrong -- "I was thinking seven figures," he said, "but I would have taken a hundred grand. I'm not a greedy person." [All for a moldy bottle of tropicana.] -- Sammi Hadzovic [in Andy Newman's 2003/02/14 NYT article.] http://www.nytimes.com/2003/02/14/nyregion/14EYEB.html http://www.donarmstrong.com http://www.anylevel.com http://rzlab.ucr.edu
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