Comments on: Finding the dimensions of a PostScript image http://biotext.org.uk/finding-the-dimensions-of-a-postscript-image/ Not a typewriter Tue, 07 Sep 2010 11:28:25 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: Chad http://biotext.org.uk/finding-the-dimensions-of-a-postscript-image/comment-page-1/#comment-144 Chad Wed, 21 Oct 2009 13:46:50 +0000 http://biotext.org.uk/?p=387#comment-144 Thanks for the response Andrew. I am trying to analyze postscript made by QuarkXpress and just cant seem to find where they store the resolution of an embedded images. It must be in there somewhere i am just not very familiar with the Postscript language. I found BoundingBox that defines the dimentions of the image in points, but not resolution. %%Creator: Adobe Photoshop Version 7.0.1 %%Title: Untitled-1 copy.eps %%CreationDate: 10/10/08 10:15 AM %%BoundingBox: 0 0 216 216 %%HiResBoundingBox: 0 0 216 216 %%SuppressDotGainCompensation %%DocumentProcessColors: Cyan Magenta Yellow Black %%EndComments %%BeginProlog %%EndProlog %%BeginSetup %%EndSetup %VectorMaskedImagery %ImageData: 900 900 8 4 1 900 1 "beginimage" %BeginPhotoshop: 12274 Anyway, thatks again for the response i will keep reading up on Postscript. Thanks for the response Andrew. I am trying to analyze postscript made by QuarkXpress and just cant seem to find where they store the resolution of an embedded images. It must be in there somewhere i am just not very familiar with the Postscript language.

I found BoundingBox that defines the dimentions of the image in points, but not resolution.

%%Creator: Adobe Photoshop Version 7.0.1
%%Title: Untitled-1 copy.eps
%%CreationDate: 10/10/08 10:15 AM
%%BoundingBox: 0 0 216 216
%%HiResBoundingBox: 0 0 216 216
%%SuppressDotGainCompensation
%%DocumentProcessColors: Cyan Magenta Yellow Black
%%EndComments
%%BeginProlog
%%EndProlog
%%BeginSetup
%%EndSetup
%VectorMaskedImagery
%ImageData: 900 900 8 4 1 900 1 “beginimage”
%BeginPhotoshop: 12274

Anyway, thatks again for the response i will keep reading up on Postscript.

]]> By: Andrew http://biotext.org.uk/finding-the-dimensions-of-a-postscript-image/comment-page-1/#comment-143 Andrew Tue, 20 Oct 2009 23:02:33 +0000 http://biotext.org.uk/?p=387#comment-143 As far as I understand it, PS files are vector images so don't really have a resolution. The resolution is dependent on the device you render them on, so a PS file printed on a 600dpi printer will be 600dpi, or on a 120dpi monitor it will be 120dpi. Although I think you can embed bitmaps in PS files which will have their own resolution... but they're a special case. I'm not an expert though so I'm happy to be corrected :-) As far as I understand it, PS files are vector images so don’t really have a resolution. The resolution is dependent on the device you render them on, so a PS file printed on a 600dpi printer will be 600dpi, or on a 120dpi monitor it will be 120dpi.

Although I think you can embed bitmaps in PS files which will have their own resolution… but they’re a special case.

I’m not an expert though so I’m happy to be corrected :-)

]]> By: Chad http://biotext.org.uk/finding-the-dimensions-of-a-postscript-image/comment-page-1/#comment-142 Chad Tue, 20 Oct 2009 20:27:33 +0000 http://biotext.org.uk/?p=387#comment-142 Do you know how to look up the resolution of the image in the postscript file? Do you know how to look up the resolution of the image in the postscript file?

]]>