search for: cairosurfacesetfallbackresolut

Displaying 2 results from an estimated 2 matches for "cairosurfacesetfallbackresolut".

2015 Jul 14
2
Use cairo fallback resolution greater than 72dpi in cairo_pdf and cairo_ps in grDevices
...ta = iris, color = Species, size = Petal.Width, alpha = I(0.7)) dev.off() as in the output (here zoomed in) the plot symbols are heavily pixelated then, showing it is only using 72 dpi. I was wondering how the fallback resolution could be increased to 600 dpi? In library(RGtk2) there is a command cairoSurfaceSetFallbackResolution, which I think is what is relevant here, but I would not know how to make grDevices use that parameter. Any thoughts? Using postscript() btw also doesn't work, since that doesn't support transparency, and returns the error "semi-transparency is not supported on this device: reporte...
2015 Jul 18
0
Use cairo fallback resolution greater than 72dpi in cairo_pdf and cairo_ps in grDevices
...ies, size = Petal.Width, alpha = I(0.7)) > dev.off() > > as in the output (here zoomed in) the plot symbols are heavily pixelated then, showing it is only using 72 dpi. > > I was wondering how the fallback resolution could be increased to 600 dpi? In library(RGtk2) there is a command cairoSurfaceSetFallbackResolution, which I think is what is relevant here, but I would not know how to make grDevices use that parameter. Any thoughts? > > Using postscript() btw also doesn't work, since that doesn't support transparency, and returns the error "semi-transparency is not supported on this device...