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Formatting a
Close Call for submission
1) Capture your Close Call latent print at 1000 pixels per inch. From the lift
(or other 1:1 object) scan at 1000 pixels per inch. If you are using a
digital camera, don't forget to put a scale beside the impression so it can be
re-sampled to 1000 at a later time. When you are finished capturing (and
resizing if applicable), please crop the image to just the latent print impression.
If you are scanning an enlargement, I hope it was captured with a scale the
first time. If so, reduce your resolution upon scan until the resulting
file size would be about 2 megabytes, then final scan. Once in digital
form, it can be cropped to scale, re-sized and re-sampled to 1000 pixels per
inch. If you are scanning an enlargement that did not have a scale, then
use a best guess when re-sizing and re-sampling.
2) Capture your known print image at 1000
pixels per inch. Again, from the card or piece of paper, scan at 1000
ppi. If from an enlargement, follow the directions in the latent section
above. and crop to just the area of comparison
3) Rotate your Close Call latent print to the same orientation
as the known print and crop the image again if necessary.
In Photoshop, you can "image" "rotate
canvass" "arbitrary" for exact degrees. While selecting the area to crop
as a perfect square, maintain proportions of the selection by holding the
"shift" key while dragging the box. Try to get all the ridge detail
without a lot of surrounding area.
4) Increase the canvas size of one impression to a large enough width for the
other impression.
In Photoshop, go to "Image" "Canvass Size", increase the width, and move the
existing image to the left or right, depending on which side you want the latent
print to end up.
5) Save the impression as a 1000 ppi .jpg (best quality) and attach it to
an e-mail to Captain Close!
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