为什么Inkscape无法正确读取R生成的PDF文件? [英] Why doesn't Inkscape correctly read PDF files generated by R?

问题描述

通常，我会在R中绘制图形并以pdf或svg格式导出.然后，将它们导入Inkskape或Illustrator中.有时这会产生奇怪的结果.例如，当我生成具有形状(1和16)的简单散点图时，Inkscape无法读取它并生成以下要点文件.我怀疑这应该是由于pdf()图形设备的默认选项引起的，但是我不确定.有没有人有解决方案?

Very often, I draw graphs in R and export them in pdf or svg. Then I import them in Inkskape or Illustrator. Sometimes this generates weird results. For instance, when I generate a simple scatterplot with shapes (1 and 16), Inkscape in unable to read it and generate the following file. See my gist file. I suspect that this should be due to the default options of the pdf() graphics device but I'm not sure. Does anyone has a solution?

推荐答案

这是使用不同字体作为绘图符号的症状.尝试使用以下方法创建PDF文件:

This is a symptom of different fonts being used as the plotting symbols. Try creating the PDF file using:

   pdf("test.pdf", useDingbats = F) 
   plot(1:10, 10:1, pch=16 )
   dev.off()

Inkscape的屏幕截图

Screenshot from Inkscape

?pdf中有一个很长的注释"，说明R的作者为何认为某些pdf查看器(显然是Inkscape就是其中一种)以及一些未在Mac上测试过的配置建议.

There is a long "Note" in ?pdf about why the authors of R think some pdf viewers (apparently Inkscape being one such) are failing and some configuration suggestions which I have not tested on my Mac.

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