[R] Micro-point with pch=16?

Андрей Парамонов paramon at acdlabs.ru
Mon Apr 7 08:33:50 CEST 2014


I'm trying to plot a 3D dataset as a scatter-plot, coding Z-axis values 
with point size. I pass the following parameters to "plot" function:

type = 'p',
pch = 16,
cex = intensity/max(intensity)

In my dataset, max(intensity)/min(intensity) is ~4000. However, visual 
points vary in radius by no more then 100 probably. Albeit default 
device isn't good at displaying micro-points, other devices (pdf, svg) 
can display such points just fine.

Is there a way to produce micro-points with cex=0.001 and less?

Best wishes,
Andrey Paramonov

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