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The result will be a clutch of new files in your folder, a static website based on the original Powerpoint slideshow. Go to the web page files folder and open it. In this folder you will find a large-ish png file, which will hopefully have pixel dimensions of 1920¡¿1200, which is perfectly adequate for printing at about six inches width screening at 300 dots-per-inch (not to be confused with desktop printer resolution, by the way), this is print for screened publications such as newspapers and magazines.

Anyway, I hope I¡¯ve covered all the steps adequately, give it a try and let me know how you get on.

10 responses so far ¡é

  • bob sievert // Dec 21, 2007 at 10:52 am

    seems complicated - why not just left click the graphic and save it as a picture? Choice of formats is given to suit most uses

  • David Bradley // Dec 21, 2007 at 12:03 pm

    Hi Bob, thanks for the comment. It¡¯s not quite as simple as a right-click-save if you want to extract the image at the highest resolution for a print publication, it always save at some default low res size which is invariably too small for print screening.

    db

  • Chris Etheredge // Mar 15, 2008 at 2:02 pm

    1920¡¿1200 is nice, but that is not big enough for a publication that requires a 600 dpi image. I¡¯m in the process right now of re-submitting figures for a paper, and the journal has replied, telling me that the figure is not high enough resolution. I used the ¡°Save As¡± function to create a 2250¡¿2999 PNG image (300 dpi). This is the largest PNG that PowerPoint will spit out even though in the SaveAs options, the dpi values go up to 1600 dpi. I then took this image into Adobe Photoshop and upsampled the resolution to 600 dpi. I submitted this 4154¡¿4362 image to the journal, and they¡¯re still telling me it¡¯s not enough. I feel like I¡¯m in a tight spot if PowerPoint can¡¯t generate an image any bigger.

  • David Bradley // Mar 17, 2008 at 9:13 am

    What publication requires 600dpi camera-ready copy? Most printing presses screen at 300dpi, or even 200 dpi (this dpi is not related to your desktop printer output by the way). If you¡¯re sending them a 1920 pixel-width image and they¡¯re screening at 600dpi for print, then that will be perfectly adequate at a print size of more than 3 inches across. How big do they need your image to print, for goodness sake?

    I sometimes wonder if journal sub-editors are ever actually trained in the business of print these days.

    db

  • Chris Etheredge // Mar 25, 2008 at 10:06 pm

    Thanks for your reply David. This must have been a case of the ¡°untrained sub-editors,¡± because we re-submitted the same file, and they were happy! I was surprised too when they (the journal is PLoS Pathogens) required that high of a resolution, especially when the figures will only be printed at a couple inches across. Thanks again for your input.

  • David Bradley // Mar 26, 2008 at 10:24 am

    Good luck with the submission, let me know when it¡¯s ¡°in press¡±. As you probably know, I¡¯m a science writer by trade and always on the look out for interesting science leads.

    db

  • BerntJarle // Mar 26, 2008 at 6:08 pm

    Great tip !
    + if you need some of the graphic PP produces (charts, etc.) you get them in png format, these you can import to Photoshop with full transparency.

  • David Bradley // Mar 26, 2008 at 6:11 pm

    PNG format is not lossless though, doesn¡¯t it have a compressed color palette like GIF? Not so useful for print media¡¦

    db

  • BerntJarle // Mar 27, 2008 at 12:10 am

    The picures in png format is in 32 bit (with a tranparent bit plane) the color is compressed but lossless so the quality is excellent . Great to get pictures with mirror effect etc. (with no pain) and then use them in othter graphic programs.

  • David Bradley // Mar 27, 2008 at 10:03 am

    So it is! I tend to work with RAW camera files, TIFF and JPEG, so haven¡¯t really had a need to look into PNG, but it does look like a powerful format and infinitely better than Compuserve¡¯s GIF¡¦

    db

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