Scanning in Photoshop

KP
Posted By
Ken_Poshedly
Jun 30, 2004
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314
Replies
1
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Closed
We use FrameMaker Ver. 7.0 and Adobe Photoshop Ver. 5.5 (now severely outdated).

We’re trying to come up with an acceptable illustration showing the engine wiring harness and associated components in a soon-to-be-released parts book for one of our forklift trucks (zoom-zoom). The design engineering dept uses Catia 2D as their autocad program, and are unable to export to jpg, tif, bmp or similar format (they can export to dxf and dwg, but for whatever reason, the resulting illustrations are unacceptable).

So we’re stuck with cutaway views printed out for us to scan and save as tif files. (The cutaway views include several assemblies grouped on one drawing.)

We have been able to get the design engineering group to print out separate drawings of individual layers of the original autocad drawing.

The DE manager told us that in PaintShop, one can scan in individual drawings and overlay them (somehow dropping out the white background of the scanned image and keeping only the line work).

He is not familiar with Photoshop, and we are not aware if this technique is available to us.

Can anyone here either e-mail me off the list with advice or at least a source for information.

— Ken Poshedly
Technical Publications
Komatsu Forklift USA, Inc.
DataKom Publications
Covington, Georgia

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SF
Scott_Falkner
Jun 30, 2004
Can they print to a PostScript printer? If so, then save the PostScript and Distill it. The PDF should be editible in Illustrator. It will also rasterize perfectly in Photoshop.

However, the technique you want involves layers. Setting a layer’s mode to Multiply gives the effect of printing that layer onto a piece of paper with the underlying image already on it. So white parts are fully transparent, shaded areas make underlying colours darker, and black comes out, well, black.

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