[photo-3d] 3D slides from Postcards

[Ralph Johnston/Linda Sherman <copley@xxxxxxxxxxxxxxx>]

I was inspired by "3D Museum", Sugiyama's book of famous art converted to
3D.  I went through my postcard collection and picked 16 of the best
candidates for conversion.  I have uploaded three in LRL format for either
parallel or xeye viewing.  These are NOT anaglyph.

http://www.egroups.com/files/photo-3d/ralph+johnston/

10694 canoeing the charles LRL.jpg
marathon newton 1906 LRL.jpg 
the square york beach me LRL.jpg

First I scan the postcards at 1200DPI.  I work in Corel PhotoPaint and
start off with two copies one over the other with the upper one offset 3%
to the right.  Then on the top image, I select 5 objects at varying
distances to offset to the left.  The closest object is offset 3% while the
others are offset 20%, 40%, 60%, & 80% of this depending on the apparent
distance.  You must start from the back.  The objects are "locked" against
editing, and the un-offset originals are wiped out with the "rubber stamp"
or clone tool.

I only did offsets, I need some more practice to do continuous objects,
such as railroad tracks running from front to rear.  These have to be
skewed.  Sugiyama did it on page 46, the Monet painting of two engines in a
station with RR tracks.

Then the images are cropped, saved separately, then each photographed full
screen (1200 x 1600) for a slide using E100VS.  For the uploaded files, I
copied in the LRL format and resampled to 1200 pixels in total width.  This
allows 800 pixels to be viewed at once on most screens.

I can answer either PhotoPaint 7 or (I think) PhotoShop LE questions for
anyone wanting to try this.

Regards -Ralph
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