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Chapter 5. Line Art Scanning > Converting to Bitmap

Converting to Bitmap

Your image is now pure black and white, but the file itself is still in grayscale mode. The image must be converted to bitmap mode to save disk space and make sure that any final editing doesn't produce unwanted shades of gray. Convert the image from grayscale to bitmap by choosing Image > Mode > Bitmap. This brings up the Bitmap dialog box (Figure 5.22). Make sure the input and output resolution numbers match, and use the 50% threshold method, which will ensure that shades of gray are converted into smooth lines and won't look noisy.

Figure 5.22. The Bitmap dialog box.



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