I'm currently trying to display Korean in my graph (a simple histogram), which I've generated in R.
But it won't display Korean correctly.
Could someone please help? Many thanks in advance!
hist(df$var, main = "abc가나다", xlab = "def마바사")
You are probably using the default font — Helvetica — which is missing Hangul glyphs. You can either configure a font which has these via par(family = …).
Or you can use the ‘ragg’ package to plot to a graphics device which supports font fallback: this means that the graphics device will automatically select a font that supports the glyphs you’re using.
With ‘ragg’, you can do the following:
capture = ragg::agg_capture()
hist(df$var, main = "abc가나다", xlab = "def마바사")
plot_data = capture()
dev.off()
plot(as.raster(plot_data))
Admittedly, this is a bit cumbersome. However, for plotting to a file, using ‘ragg’ is no more effort than using base R: you just replace the device, e.g. agg_png instead of png.
Related
I would like to create a plot in R using dice font for values 1 to 6. Dice font for windows can be downloaded here - copy the downloaded true type font to the C:\Windows\Fonts directory and it can be used in windows applications like Excel or Word.
I found out about the showtext package in this question for adding fonts to R which seems to add the dice font using the R script below.
require(showtext)
font_add(family = "dice",regular = "C:/Users/Mark/AppData/Local/Microsoft/Windows/Fonts/dice.ttf")
For some reason, I don't understand I had to set the path to the AppData/Local directory to get font_add to no report a could-not-find-it error. The next challenge was to get was to make a simple test plot
plot(c(1,2),c(2,1),pch = 0, col = "blue", type = "p", cex =5)
text(c(1,2),c(2,1),c(2,1),col = "red")
However, when I attempt to use the dice font using the text funtion I get an error ...
font family not found in Windows font database
text(c(1,2),c(2,1),c(2,1),col = "red", family = "dice")
Questions:
Is there a way to display the fonts accessible to R so I can determine if the dice font is available?
If dice font is available then how do I get the font working with the text function?
Is there an alternative or better way to approach this idea?
After exploring the example suggested by Andrew Brēza I managed to get a result using ggplot2 - I could not find a solution for base R. With respect to the three questions I listed in the original post
showtext has two functions to list the font families and fonts available to are respectively
font_families()
font_files()
I also found that I needed to install dice font using the windows right-click option 'install for all users' else the font file was installed under a user AppData/Local directory not the C:\Windows\Font directory
2.showtext does not appear to work with the base R text function even though the fonts are listed as available - I therefore explored ggplot
3 ggplot with showtext is the only working solution - script below produces the results I was looking for - I will just have to spend a bit of time making it look like a base R plot
# Plot numbers using dice font
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# https://stackoverflow.com/questions/34522732/changing-fonts-in-ggplot2
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
require(showtext)
# Note install the dice font using right-click install for all users
# Otherwise the font file is install in user profile nto C:\Windows\fonts
# Add the dice font to R
font_add(family = "dice",regular = "C:/Windows/Fonts/dice.ttf")
# Checks to show the dice font available in the fonts available to R
font_families()
font_files()
# Automatically use show text for newplots - do I need this?
showtext_auto()
# Load ggplot2
require(ggplot2)
# Create some data
df <- data.frame(rbind(c(1,2,2),c(2,1,4)))
# Plot the dice values
ggplot(df, aes(x = X1, y = X2)) +
geom_point(size = 0.1, shape = 0) +
annotate("text",df[1,1],df[1,2], label = df[1,3], family = "dice", size = 10) +
annotate("text",df[2,1],df[2,2], label = df[2,3], family = "dice", size = 10)
I am building a map in R that I would like to have the text to be shown in Linux Libertine font. Package extrafont is loaded, fonts have been loaded and the path to ghostscript is correctly set.
When I use the following command, R saves the output and everything works fine.
ggsave(file = foo.eps, plot = map, width = 15, height = 10, units = "cm", family='Linux Libertine Display')
However when I instead use family='Linux Libertine', I receive the following error message:
Error in grDevices::postscript(..., onefile = FALSE, horizontal = FALSE, :
unknown family 'Linux Libertine'
It seems that it can't find the font, which is weird as it is listed in the return of fonttable(). Any ideas how I can make R to use the font?
The link provided by user TomNash does indeed explain the problem and the solution:
The problem is that some fonts (and this includes Linux Libertine) have distinct font face names (Linux Libertine Bold, Linux Libertine Italics, etc.) but all share the same family name (Linux Libertine). The extrafont package cannot distinguish between those fonts, because it only looks at the family name (and in the above example Linux Libertine Display works, because this is a unique family name).
The easiest way to fix this is to locate the directory of the font table: system.file("fontmap", "fonttable.csv", package="extrafontdb") and then open the fonttable.csv and copy for all Linux Libertine fonts (or whatever fonts this concerns) the font name into the font family cell. Then return to R and execute loadfonts() again to make sure R rebuilds the font table.
I've installed the 'extrafont' package in order to install an external font library Duality via the ttf_import() method. However, when specifying the font via the wordcloud method, I receive the following error:
Installation command:
# Assuming the font file, DUALITY_.ttf, is in the working directory (see link to font above)
font_import(".",FALSE,pattern="DUALITY")
Wordcloud command:
wordcloud(ap.d$word, ap.d$freq, scale=c(8,2), min.freq=10, vfont=c("Duality","plain"),
random.order=FALSE, rot.per=0, use.r.layout=FALSE, colors=pal2, fixed.asp=FALSE)
Output:
Error in strwidth(words[i], cex = size[i], ...) :
invalid 'vfont' value [typeface -2147483648]
In order to verify that the font is indeed installed, I issued the following commands
> choose_font("Duality")
[1] "Duality"
> fonts()
....[49] "Waree" "Duality"
How come the Duality font is not visible to the vfont parameter of wordcloud? And how do I make it visible to Cairo (the default renderer). TIA!
I've been able to overcome the same problem using the parameters passed to text family and font and described in ?par instead of vfont. Also I needed to load the font first. So the thing goes:
Import the font (sorry, the link to Duality provided in OP is no longer available, I use Lucida Handwriting instead, available in windows):
library(extrafont)
font_import(pattern="LHANDW")
Load (see this blog for details):
loadfonts() # loadfonts(device = "win") if you are working in windows
Wordcloud:
wordcloud(ap.d$word, ap.d$freq, scale=c(8,2), min.freq=10, family="Lucida Handwriting", font=1,
random.order=FALSE, rot.per=0, use.r.layout=FALSE, colors=pal2, fixed.asp=FALSE)
To complement previous answers, and explain how one can actually choose which fonts to use. First, import fonts (it is possible to set a path different from the default in font_import()
library(extrafont)
font_import(prompt = FALSE)
To know which fonts are available:
unique(fonttable()$FamilyName)
This presents the exact reference for what to include as "font family". You can then issue the wordcloud command like this:
wordcloud(c(letters, LETTERS, 0:9), seq(1, 1000, len = 62), family = "Carlito", font = 1)
Why font = 1? From ?par(), here's what it says about the font parameter:
An integer which specifies which font to use for text. If possible,
device drivers arrange so that 1 corresponds to plain text (the
default), 2 to bold face, 3 to italic and 4 to bold italic.
I recently came upon a problem in R which in that combination I have tried to solve and also searched for in the internet, but which I could not solve yet. I hope someone can help me.
I run R(x64) on Windows 7. The graphic device itself automatically uses Arial as font, and when I save graphs as bitmap the "font" naturally remains as it is. However, I prefer saving graphs as pdf, in which case the font in the resulting pdf is exchanged with Helvetica when I simply save via the GUI save button.
I found a solution for that in the internet, using the Arial afm-Files and pdf("Test_Auto.pdf", family = "Arial"), which resulted in a pdf using Arial as font---so far so good.
Now I also often have to/want to change the graph layout using win.graph, and that is where the problems start. Here is an example:
Arial <- Type1Font(family = "Arial", metrics = c("C:/R_Fonts/ArialPlain.afm", "C:/R_Fonts/ArialBold.afm", "C:/R_Fonts/ArialItalic.afm", "C:/R_Fonts/ArialBoldItalic.afm"))
pdfFonts(Arial = Arial)
setwd("C:/PDFCrop")
D1<-matrix(c(1,2,3,4,6,3),3,2)
D2<-matrix(c(1,2,3,5,3,1),3,2)
#pdf("Test_Auto.pdf", family = "Arial")
win.graph(8.3,12,12)
layout(matrix(c(1,2),1,2,byrow=TRUE))
plot(D1,type="l",main="Gobble R")
plot(D2,type="l",main="Gobble R")
#dev.off()
Now this code as it is works to create a graph that looks like I want it to look, but I have to save the graph manually (File->save as) and then I get Helvetica as font in the pdf.
Alternatively I can change the lower part in
pdf("Test_Auto.pdf", family = "Arial")
#win.graph(8.3,12,12)
layout(matrix(c(1,2),1,2,byrow=TRUE))
plot(D1,type="l",main="Gobble R")
plot(D2,type="l",main="Gobble R")
dev.off()
And that produces a pdf-file that actually uses Arial, but the graph has other dimensions as I was intending. When using both together I get a pdf which "cannot be opened because it does't contain any pages" (though it is not 0KB in size).
Is there any way to get this to work, or an alternative to win.graph which I can use between pdf() and dev.off()?
Thanks for you help.
Oh my god, I'm sorry, I was so stupid!
During all that I completely overlooked, that the pdf-device has its own size parameters.
Arial <- Type1Font(family = "Arial", metrics = c("C:/R_Fonts/ArialPlain.afm", "C:/R_Fonts/ArialBold.afm", "C:/R_Fonts/ArialItalic.afm", "C:/R_Fonts/ArialBoldItalic.afm"))
pdfFonts(Arial = Arial)
setwd("C:/PDFCrop")
D1<-matrix(c(1,2,3,4,6,3),3,2)
D2<-matrix(c(1,2,3,5,3,1),3,2)
pdf("Test_Auto.pdf", width=8.3, height=12, family = "Arial")
#win.graph(8.3,12,12)
layout(matrix(c(1,2),1,2,byrow=TRUE))
plot(D1,type="l",main="Gobble R")
plot(D2,type="l",main="Gobble R")
dev.off()
Thank you for the hint, DWin
I'm having trouble with exporting eps files from R and importing into Word 2010.
I'm using ggplot2 plots, eg
library(ggplot2)
p <- qplot(disp,hp,data=mtcars) + stat_smooth()
p
Even after calling setEPS() neither of the following produce files which can be successfully imported.
ggsave("plot.eps")
postscript("plot.eps")
print(p)
dev.off()
The strange thing is that if I produce the plot using File -> Save As -> Postscript from the menu in the GUI, it can be imported correctly. However, when the Word document is subsequently exported as a pdf, the fonts in the graphic are a little jagged.
So my questions are:
What combination of (ggsave/postscript) settings allows me to produce eps files that can be imported into Word 2010?
How can I ensure the fonts remain clear when the Word document is exported as a pdf?
Update
After more investigation I have had more luck with cairo_ps to produce the plots. However, no text shows up when imported into Word.
Furthermore, after checking the various eps outputs (cairo_ps, save from the GUI, ggsave) in a latex document, it seems like the eps import filter in Word quite poor as the printed/pdf output doesn't match the quality of the latex'd document. The ggsave version (which uses postscript) did have some issues with colours that the other two methods didn't have though.
The conclusion is that this is a Word issue and therefore fortune(109) does not apply. I'd be happy to be proven otherwise, but I'll award the answer and the bounty to whoever can provide the commands that can replicate the output from the GUI in command form.
This worked for me... following advice in the postscript help page:
postscript("RPlot.eps", height = 4, width = 4, horizontal = FALSE, onefile = FALSE,
paper = "special")
library(ggplot2)
p <- qplot(disp,hp,data=mtcars) + stat_smooth()
p
#geom_smooth: method="auto" and size of largest group is <1000, so using loess. Use 'method = x' to #change the smoothing method.
#Warning message:
#In grid.Call.graphics(L_polygon, x$x, x$y, index) :
# semi-transparency is not supported on this device: reported only once per page
dev.off()
#quartz
# 2
The funny stuff at the end puts you on notice that this is only a Mac-tested solution, so far anyway.
Edit: I just tested it with R version 2.15.1 (2012-06-22) -- "Roasted Marshmallows": Platform: i386-pc-mingw32/i386 (32-bit) and MS Word 2007 in Win XP and it worked. Commands were Insert/Picture.../select eps format/select file.
Edit2: There is another method for saving besides directly using the postscript device. The savePlot method with an "eps" mode is available in Windows (but not in the Mac). I agree that the fonts are not as smooth as they appear on a Mac but I can discern no difference in quality between saving with savePlot and using save as from an interactive window.
savePlot(filename = "Rplot2", type = "eps", device = dev.cur(), restoreConsole = TRUE)
savePlot calls (.External(CsavePlot, device, filename, type, restoreConsole))
I solved the problem with exporting .eps files from R and importing into Word 2010 on Windows 7 using the colormodel="rgb" option (defaults to "srgb") of the postscript command.
postscript("RPlot.eps", height = 4, width = 4, horizontal = FALSE,
paper = "special", colormodel = "rgb")
library(ggplot2)
p <- qplot(disp,hp,data=mtcars) + stat_smooth(se=FALSE, method="loess")
p
dev.off()
You are probably better of using wmf as a format which you can create on Windows.
Word indeed doesn't support EPS very well.
A better solution is to export your graphs to Word or Powerpoint directly in native Office format. I just made a new package, export, that does exactly that, see
https://cran.r-project.org/web/packages/export/index.html and
for demo
https://github.com/tomwenseleers/export
Typical syntax is very easy, e.g.:
install.packages("export")
library(export)
library(ggplot2)
qplot(Sepal.Length, Petal.Length, data = iris, color = Species,
size = Petal.Width, alpha = I(0.7))
graph2doc(file="ggplot2_plot.docx", width=6, height=5)
graph2ppt(file="ggplot2_plot.pptx", width=6, height=5)
Output is vector format and so fully editable after you ungroup your graph in Word or Powerpoint. You can also use it to export statistical output of various R stats objects.
You can use R studio to knit html files with all of your plots and then open HTML files with Word.
knitr tutorial