PanoTools NG:
pseudo "scanning" a large map
paul womack 2007-Nov-29 14:07:55
John map wrote:
> Another hobbyist here. I have been dabbling as an amateur in all
> aspects of photography since my school days. I still have my form
> prize - "The Ilford Manual of Photography", dated Dec 1955. Being
> retired, I can afford time to "play" in a never ending quest for the
> best quality results with a minimum outlay of cash. I'm not a prolific
> producer of photographs (what would I do with them all?), but I aspire
> to pro standards nevertheless.
I started a lot later than you, but I share your style of "playing".
On a loosely related theme, I would like to use panoramic
techniques to make a hiresolution "scan" of a roughly
36"x24" (very old, quite fragile, paper) map.
I certainly don't have a flatbed scanner that size,
and a tesselated scan would on my A4 flatbed
would endanger the map physically.
Are there any special difficulties here?
What stitching projection should I use?
One concern is maintaining "linearity"
so that 1" at the edge of the map
is the same size(!) in my final output
as 1" in the middle of the map.
Parallax errors are at least unlikely :-)
BugBear
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