[R] Creating tiff with 1200 dpi

[David Winsemius]

On Oct 3, 2012, at 11:52 AM, David Winsemius wrote:

> 
> On Oct 3, 2012, at 11:05 AM, Sheppard,Jennifer [Sas] wrote:
> 
>> Hi all,
>> 
>> I am trying to create images in R suitable for journal publication. I'd
>> like to make an image that is 3.6" wide and 5.08" length, and 1200 dpi. 
>> When I create a tiff file that is 800 dpi and 4x4", it works (although
>> doesn't look good).
>> But when I create a tiff that is the size and dpi I want, it doesn't
>> work. I get the following error:
>> 
>> Error in tiff(filename = "C:\\Documents and
>> Settings\\sheppardj\\Desktop\\Manuscripts\\Figure 6c.tif",  : 
>> unable to start tiff() device
> 
> So what does this return:
> 
> capabilities()   # specifically, is tiff == TRUE?
> 
> 
>> In addition: Warning messages:
>> 1: In tiff(filename = "C:\\Documents and Settings\\sheppardj\\Desktop\\
>> Figure 6c.tif",  :
>> Unable to allocate bitmap
>> 2: In tiff(filename = "C:\\Documents and Settings\\sheppardj\\Desktop\\
>> Figure 6c.tif",  :
>> opening device failed
>> 
>> I've tried the same thing with jpeg, and still get the same error. I've
>> tried Cario, but I get an error that tiff bitmap is not supported.
>> 
>> Any help would be appreciated. Here is my code. 
>> 
>> #Creating dataframes
>> new.data2<-expand.grid(FCOND=23.5, FPC1=-0.68, MCOND=22.4, MPC1=-0.82,
>> RANK=c(6:15))
>> new.data3<-expand.grid(FOCND=39.1, FPC1=0.46, MCOND=7.4, MPC1=1.3,
>> RANK=c(4:16))
>> x2<-data.frame(mod.avg.pred=c(0.28, 0.26, 0.24, 0.23, 0.22, 0.21, 0.20,
>> 0.19, 0.19, 0.18),
>> uncond.se=c(0.17, 0.15, 0.14, 0.14, 0.15, 0.16, 0.18, 0.19, 0.20, 0.21))
>> x3<-data.frame(mod.avg.pred=c(0.19, 0.22, 0.26, 0.32, 0.39, 0.47, 0.54,
>> 0.61, 0.66, 0.70, 0.73, 0.75, 0.77),
>> uncond.se=c(0.18, 0.17, 0.16, 0.14, 0.13, 0.14, 0.18, 0.22, 0.24, 0.26,
>> 0.27, 0.28, 0.28))
>> 
>> #creating a graph that works
>> ## you'll have to direct this file to your own computer
>> 
>> tiff(filename = "C:\\Documents and Settings\\sheppardj\\Desktop\\ Figure
>> 6b.tif",
> 
> That prior line had space before "Figure". Don't think that is the source but you are on an OS that has a history of messing up on spaces in file names.
> 
> 
>> width=3200, height=3200, units = "px", res = 800)
>> par(mfrow=c(1,1))
>> par(mar=c(6,6,2,2))
>> plot(x2$mod.avg.pred~new.data2$RANK,cex.main=2,main="",
>> ylab="Brood Survival",type="b",ylim=c(0:1), xlab="Male Plumage Score",
>> pch=17, cex=1.5,cex.axis=2,cex.lab=2.5)
>> points(x3$mod.avg.pred ~ new.data3$RANK, pch=19, col="gray45", cex=1.5,
>> type="b")
>> lines(new.data2$RANK, x2$mod.avg.pred + x2$uncond.se,lwd=2, lty=2)
>> lines(new.data2$RANK, x2$mod.avg.pred - x2$uncond.se,lwd=2, lty=2)
>> lines(new.data3$RANK, x3$mod.avg.pred + x3$uncond.se, lwd=2,lty=2,
>> col="gray45")
>> lines(new.data3$RANK, x3$mod.avg.pred - x3$uncond.se,lwd=2,lty=2,
>> col="gray45")
>> legend("topleft", c("Large Males", "Small Males"), pch= c(19, 17), col=
>> c("gray45", "black"), lwd=2, cex=1.5)
>> dev.off()
>> 
>> #creating a graph that works
>> ## you'll have to direct this file to your own computer
>> 
>> tiff(filename = "C:\\Documents and Settings\\sheppardj\\Desktop \\Figure
>> 6c.tif",
>> width=4320, height=6096, units = "px", res = 1200)
>> par(mfrow=c(1,1))
>> par(mar=c(6,6,2,2))
>> plot(x2$mod.avg.pred~new.data2$RANK,cex.main=2,main="",
>> ylab="Brood Survival",type="b",ylim=c(0:1), xlab="Male Plumage Score",
>> pch=17, cex=1.5,cex.axis=2,cex.lab=2.5)
>> points(x3$mod.avg.pred ~ new.data3$RANK, pch=19, col="gray45", cex=1.5,
>> type="b")
>> lines(new.data2$RANK, x2$mod.avg.pred + x2$uncond.se,lwd=2, lty=2)
>> lines(new.data2$RANK, x2$mod.avg.pred - x2$uncond.se,lwd=2, lty=2)
>> lines(new.data3$RANK, x3$mod.avg.pred + x3$uncond.se, lwd=2,lty=2,
>> col="gray45")
>> lines(new.data3$RANK, x3$mod.avg.pred - x3$uncond.se,lwd=2,lty=2,
>> col="gray45")
>> legend("topleft", c("Large Males", "Small Males"), pch= c(19, 17), col=
>> c("gray45", "black"), lwd=2, cex=1.5)
>> dev.off()
> 
> It creates a rather strange graph on my machine.

Substituting res=300 gave a much more sensible appearance.

-- 

David Winsemius, MD
Alameda, CA, USA