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.
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: