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rplotpng

Export plot in .png with transparent background

I am trying to export a simple plot in .png with transparent background. I am able to export it, but the background stays white.

Mock example

x = c(1, 2, 3)

I've tried this

plot (x)

dev.copy (png,'myplot.png', bg = 'transparent')
dev.off()

And this

plot (x, bg = 'transparent')

dev.copy (png,'myplot.png')
dev.off()

But neither work.

Can someone help?

Solution 
  • x = c(1, 2, 3)
par(bg=NA)
plot (x)

dev.copy(png,'myplot.png')
dev.off()