search for: baseviewport

...fixed to 0.5 in native coordinates. I can't quite get the code right to do this. Can anyone give me a quick example of how to do this? I looked the gridBase index and the tutorial (from R-news?) but just haven't gotten it down yet. > plot(1:10,1:10) > par(new=T);vps <- baseViewports() > pushViewport(vps$inner,vps$figure,vps$plot) viewport[GRID.VP.28] > pushViewport(viewport(x=unit(1,"native"),y=unit(2,"native"))) viewport[GRID.VP.29] > grid.rect(height=unit(0.5,"native"),width=unit(1.5,"native"),just='botto m') T...

...1.24e8,cex=1.2,"Residence time for") text(1.3,1.21e8,cex=1.2,"a 6.5m long transfer tube") arrows(1.1, 7.7e7, time[21], 7.7e7, length = 0.,lwd=2) arrows( time[21], 7.7e7, time[21], tot_num_150[21]/1e6, length = 0.15,lwd=2) par( mar = c(0.,0., 0., 0.) ) #1st inset vp <- baseViewports() pushViewport(vp$inner,vp$figure,vp$plot) pushViewport(viewport(x=-0.0,y=1.04,width=.4,height=.4,just=c(0,1))) par(fig=gridPLT(),new=F) #grid.rect(gp=gpar(lwd=0,col="red")) plot(D_mean,data_150[1, ]/log_factor*log(10)/1e6,"l", pch=1,col="black"...

...en I pass the parameter default.units="native" to grid.circle, as suggested in this post:http://tolstoy.newcastle.edu.au/R/e4/help/08/03/5534.html. I also tried replicating the code in Paul Murrell's GridBase documentation, but to no avail: xyplot(y ~ x, groups=pt, data=dt) vps <- baseViewports() pushViewport(vps$inner, vps$figure, vps$plot) grid.circle(x=unit(-6,"native"), y=unit(-8,"native"), r=1) popViewport(3) Is there some other parameter or command that will convert the grid.circle() NPC coordinates to the native coordinates within my xyplot graph, and not the...

...ehow lost. The gridBase documentation contains a sample which has a normal ("base") plot with two columns, and some code to use grid commands to paint rectangles. library(grid) library(gridBase) par(oma=rep(1, 4), mfrow=c(1, 2), xpd=NA) plot(1:10) vps <- baseViewports() pushViewport(vps$inner) grid.rect(gp=gpar(lwd=3, col="red")) pushViewport(vps$figure) grid.rect(gp=gpar(lwd=3, col="green")) pushViewport(vps$plot) grid.rect(gp=gpar(lwd=3, col="blue")) grid.points(1:10, 10:1) if I continue...

...1:10),par.setting=list(background="white "),col="black",panel=panel.test) But, I don't want to write panel functions that are specific to the key. I'd like to draw the plot, access the plotting area viewport, push it, and add the key. Something may be possible with baseViewports, but I can't get that to work properly with a 1 x 1 lattice plot, and the relative position of the key changes when the device is rescaled. Is there an easy way to do this in the initial call to xyplot? My read of the documentation is that a key may be positioned in the npc coordinates of the...

Dear all I apologize for cross-posting, but first it is accepted custom to thank the repliers and give a summary, and second I have still the feeling that this problem might be a general statistical problem and not necessarily related to microarrays only, but I might be wrong. First, I want to thank Robert Gentleman, Mark Kimpel and Mark Reiners for their kind replies. Robert Gentleman kindly

...t draws the horizontal lines as if its relative to B's coordinates rather than restablishing A's coordinates. As a result the horizontal lines are drawn near the bottom of the graph instead of at the correct heights. Try running the code below to see what I mean. I have also tried to use baseViewports with this but did not have any success. How do I modify this example so that the horizontal red lines come out at the appropriate levels? Note that this is just an example and in the future I will want to have multiple viewports each with a base plot and add arbitrary additional line or point...

...t draws the horizontal lines as if its relative to B's coordinates rather than restablishing A's coordinates. As a result the horizontal lines are drawn near the bottom of the graph instead of at the correct heights. Try running the code below to see what I mean. I have also tried to use baseViewports with this but did not have any success. How do I modify this example so that the horizontal red lines come out at the appropriate levels? Note that this is just an example and in the future I will want to have multiple viewports each with a base plot and add arbitrary additional line or point...

Hi again! I put this question in another topics post before but I fear it might drown there. Is it possible to have transparent / alpha blended colors for pie charts? I am using the pies in a map of pies and those pies are sometimes overlapping so it would be great to see if another pie lies beneath. Thanks, Werner

...), > heights = c(1, 0.5)) > > oldpar <- par(no.readonly = TRUE) > par(mar = c(0, 3.5, 0, 1), pty = "m", xpd = F, mgp = c(1.8, 0.5, 0)) > # > # top graph > # > plot(x, y, xaxt="n", ylab="label1") > axis(1, lab=F) > > vps <- baseViewports() > pushViewport(vps$inner, vps$figure, vps$plot) > pushViewport(viewport(x = unit(-1.8, "native"), y = unit(0.7, > "native"), > width = unit(1.5, "native"), height = unit(0.6, "native")) ) > > par(plt = gridPLT(), new = TRUE, mgp...

Just wondering: it appears that "srt" does not accept a vector of values, just a single value. I ended up using tapply() as the following code snippet shows, so it's not a major problem. I was justa little surprised that this argument (srt) differs from things like "labels," "lty," "col," and so on, all of which accept (and recycle as needed

Hi there, I tried to add a few circles on an existing figure using the following codes grid.circle(x=0.5, y=0.5, r=0.1, draw=TRUE, gp=gpar(col=5)) grid.circle(x=0.5, y=0.5, r=0.3, draw=TRUE, gp=gpar(col=5)) grid.circle(x=0.5, y=0.5, r=0.5, draw=TRUE, gp=gpar(col=5)) points(0.5, 0.5, col = 5) # centre of the circle , but all circles moved away from the centre. Could we do any

Dear R-users, I would like to add a legend at the bottom of pairs plots (it's my first use of this function). With the plot function, I usually add some additional space at the bottom when I define the size of the graphical device (using mar); grid functions then allows me to draw my legend as I want. Unfortunatley, this technique does not seem to work with the pairs function as the

Dear R Users, I am quite surprised to see that mtext gives different results when it is used with 'pairs' and with "plot'. In the two following codes, it seems that the 'at' argument in mtext doesn't consider the same unit system. I would appreciate your comments on this issue. Sebastien ##### Pairs mydata<-data.frame(x=1:10,y=1:10) par(cex.main=1,