[R] png scaling problem

Gabor Grothendieck ggrothendieck at gmail.com
Fri Sep 2 08:03:41 CEST 2005


If you have not already tried it try creating a fig file:

xfig("myfile.fig")
plot(1:10)
dev.off()

and then using the fig2dev utility (find it via google) to convert it to a tiff:

fig2dev -L tiff myfile.fig > myfile.tiff


On 9/2/05, Knut Krueger <admin at biostatistic.de> wrote:
> 
> 
> 
> >Probably a better first question is, why are you using a bitmapped
> >graphics format if you need the image to be re-scaled?
> >
> I need a 1000 dpi tif file in a size of appr. 10 to 10 cm for applied
> animal behaviour science:
> http://authors.elsevier.com/GuideForAuthors.html?PubID=503301&dc=GFA
> 
> images to one of the following formats (Note the resolution requirements
> for line drawings, halftones, and
> line/halftone combinations given below.):
> EPS: Vector drawings. Embed the font or save the text as "graphics".
> TIFF: Colour or greyscale photographs (halftones): always use a minimum
> of 300 dpi.
> TIFF: Bitmapped line drawings: use a minimum of 1000 dpi.
> TIFF: Combinations bitmapped line/half-tone (colour or greyscale): a
> minimum of 500 dpi is required.
> DOC, XLS or PPT: If your electronic artwork is created in any of these
> Microsoft Office applications please
> supply "as is".
> 
> I tired the Postscript file but the file is double heigh as width i do
> not know why.
> The problem was already discussed in the tread: [R] High resolution plots
> 
> I have to send the images possibly yesterday and I am looking fo a
> suitable solution since two months now.
> I tired gsview with converting to all possible Tiff formats but the
> images appear not in color and in a strange black and white way
> Some readers are able to read it  (Windows Image view) other not and I
> do not know which reader the journal will use :-(
> And the ylab is too small ...
> 
> http://biostatistic.de/temp/1.tif
> http://biostatistic.de/temp/2.tif
> http://biostatistic.de/temp/3.tif
> http://biostatistic.de/temp/4.tif
> 
> 
> 
> 
> 
> >In general,
> >bitmapped graphics do not resize well, though if you have a specific
> >need and know a target image size, you can adjust various parameters to
> >look decent. Are you going to view these images in a web browser, where
> >you are concerned with display size and resolution?
> >
> >>From your e-mail headers it appears you are on Windows. If you need a
> >re-sizable graphic, use a vector based format such as wmf/emf,
> >especially if you need the graphics embedded in a Windows application
> >such as Word or Powerpoint. This is the default format under Windows
> >when copying and pasting a graphic between applications. You can then,
> >fairly freely, resize the image in the target application as you may
> >require.
> >
> >If you are going to print the graphic directly or include it in a
> >document for printing (as opposed to just viewing it), then use PDF or
> >Postscript.
> >
> 
> Ok there is a second description for the file format :-(
> http://authors.elsevier.com/ArtworkInstructions.html?dc=AI2
> there are pdf formats welcome but with defined conditions:
> 
> Maybe anybody could give me a hint to get the files in the recommendet
> format.
> I will ask them immediately which whether the pdf is allowed or not,
> becaus they have two different instruction sites :-(
> 
> Regards Knut
> 
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