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POtrying to remove all margins so that plot region comprises the entire graphic
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copied!<p>I am trying to remove all margins and the "figure region" of a plot in R, so that the plot region comprises the entire graphic device. I thought the code below would do it, but there is still a border around my plot (wider on left/bottom, thinner on top/right). Thanks </p> <pre><code>par(oma=c(0, 0, 0, 0)) par(mar=c(0, 0, 0, 0)) par(plt=c(0, 1, 0, 1)) </code></pre> <p>Thought I would add a picture to show my progress. The xaxs and yaxs removed nearly all border from the top and right- there is still a border on the left and bottom. </p> <p><img src="https://i.stack.imgur.com/kWDOd.png" alt="R plot"></p> <p>The relevant portion of my script is below. </p> <pre><code>png("Test.png", width = 256, height = 256, units = "px", pointsize = 6.4, bg = "black", res = NA) par(mar=c(0, 0, 0, 0), xaxs='i', yaxs='i') smoothScatter(lhb$px, lhb$pz, nrpoints=0, xlim=c(-3,3), ylim=c(0,5), main="", xlab="", ylab="", axes=FALSE, colramp=colorRampPalette(c("black", "#202020", "#736AFF", "cyan", "yellow", "#F87431", "#FF7F00", "red", "#7E2217")) ) segments(.83, 1.597, .83, 3.436, col = par("fg"), lty = par("lty"), lwd = par("lwd")) segments(-.83, 1.597, -.83, 3.436, col = par("fg"), lty = par("lty"), lwd = par("lwd")) segments(-.83, 3.436, .83, 3.436, col = par("fg"), lty = par("lty"), lwd = par("lwd")) segments(-.83, 1.597, .83, 1.597, col = par("fg"), lty = par("lty"), lwd = par("lwd")) dev.off() </code></pre>

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