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I've made a map in inkscape and now need to change it to a bitmap or .png. The map will be interpreted by a computer program which will look for exact colors so the edges need to be crisp. when I export a .png with inkscape, use an online file converter or even take a screenshot it is always anti-aliased. help.enter image description here

enter image description here

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Hmm...it doesn't look like Inkscape offers an aliased option when exporting to raster. You could try opening the SVG in a raster app (such as PS) and see if it offers you an alias option there. –  DA01 Jun 1 '14 at 19:04
the Photoshop 7.0 I have doesn't seam to have the ability to open SVGs. I don't have any other programs that can do it. if there are any freeware ones that might work I am interested in what they are. –  William W Jun 1 '14 at 19:11
As for raster apps The GIMP is open source. Paint.net is freeware. Not sure if either support opening of SVG, though. –  DA01 Jun 1 '14 at 19:12
It looks like there might be a way to do this in the browser: stackoverflow.com/questions/16889078/… –  DA01 Jun 1 '14 at 19:13
Oh, and finally...one workaround may be to take the screen shot, put that into PhotoShop, and then use PhotoShop's "Posterize" Filter/tool to reduce the color pallet down to only the solid colors you want to use. –  DA01 Jun 1 '14 at 19:14

2 Answers 2

The development version of Inkscape (upcoming 0.91 release) has a global anti-aliasing toggle in the Document Properties window, which should also work for export. Look for "Development Versions" on the download page:


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thanks, do you know how long until it comes out? I didn't see it on the site. –  William W Jun 1 '14 at 20:10
The current phase is "Frost". You can see the progress towards the release here: inkscape.org/en/develop/next-release I think it should be released within the next 5 months. –  Krzysztof Kosiński Jun 1 '14 at 20:56
Wow. They're jumping from .48 to .91! Granted, that's less than 'half a version' but still a huge update in the inkscape world. Version 1.0 here we come! –  DA01 Jun 3 '14 at 2:49
It sadly has no effect on the export... –  DebugErr Mar 3 at 18:17

One simple solution is to export to PDF, and then use Ghostcript on the resulting PDF. Using a strawberry image from Openclipart and the command

gs -dSAFER -dBATCH -dNOPAUSE -sDEVICE=png16m \
   -r72 -dGraphicsAlphaBits=1 \
   -sOutputFile=image.png image.pdf 

I get the following result.

Non-antialised strawberry image. Zoomed in non-antialised strawberry image.

If your image also includes text, you’ll need to add -dTextAlphaBits=1 too. Change the -r72 to a different value to rescale the image.

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That sure is a roundabout way of doing it but goshdang if it didn't work. –  obskyr Oct 5 '14 at 16:35

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