Converting between graphical formats
Wrapper function for converting graphics with ImageMagick
convert.g(path = NULL, fileroot= "*", from = "pdf",
to = "png", create.path = TRUE, options = NULL)path |
String: The path to the from graphic files. |
fileroot |
String: Graphic root name; default is "*" for all files with the |
from |
File type extension specifying the from format. |
to |
File type extension specifying the to format. |
create.path |
Logical: Should the output files be placed in a |
options |
Additional options to be passed to the ImageMagick |
Conversion is done through a call to ImageMagick mogrify function. This means that ImageMagick should be installed on your system. It must also be listed in the path.
for some values such as "pdf" and "eps" of the from or to arguments ImageMagick works in conjunction with Gostscript. The latter should, therefore, also be accessible.
## Not run: ## Convert all .pdf graphics in the "figSW" directory ## into .png files and put the files in a "png" subfolder. convert.g(path="figSW", from="pdf", to="png") ## Same, but convert to .jpg files. convert.g(path="figSW", to="jpg") ## convert file "example.eps" in current path to ".pdf" ## and put it in same folder. convert.g(fileroot = "example", create.folder=FALSE) ## End(Not run)
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