R help - Sep 2008 - question on extracting binary data from pdf image

Dear List,

If I use the following code to generate a pdf,

pdf(filename)
image(x, y, !is.na(z), col=c("green","black"))
dev.off()

Can someone extract the 0-1 data (that is, is.na(z)) from the Adobe source?

Thank you.

Xiaochun


	[[alternative HTML version deleted]]

Dear List,

If I use the following code to generate a pdf,

pdf(filename)
image(x, y, !is.na(z), col=c("green","black"))
dev.off()

Can someone extract the 0-1 data (that is, is.na(z)) from the Adobe source?

Thank you.

Xiaochun


	[[alternative HTML version deleted]]