Hmmm...Google Sketchup *may* be a tool that will work. It does 3D modeling and has a free version and a Pro version ($$$). It has a function called Photo Match that you can use to import a photo then build additional modeling from it. You will need some reference measurements for scaling.
http://sketchup.google.com/product_suf.html -p Bob W wrote: > I'd be surprised if you can't buy or download for free some software > that will make a wireframe from the photo, and rotate it on a grid in > 3D. You only need a couple of reference measurements then. > > -- > Bob > > >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On >> Behalf Of Lasse Karlsson >> Sent: 30 January 2008 09:37 >> To: Pentax-Discuss Mail List >> Subject: For the experts. Determening distances in a photograph. >> >> Hi all, >> >> I'm doing some research on the earliest constructions of my > hometown, >> Mariehamn. >> >> At the link below there is one very early photograph of the >> town, from >> around 1870. In it there are still a number of houses, farms, >> of the village >> where the town was founded in 1861. I'm trying to establish the > exact >> location of these constructions, so that I can draw them on a >> current map or >> walk there and say: This is the south-west corner of that >> house, this is... >> etc.. >> >> (The photograph, originally in B&W, is a "working copy" of >> mine, where I've >> added a few things in color just to help me see various parts >> more clearly.) >> >> The constructions which I'm interested in, are to the left, >> on the hill, as >> well as on the slope towards the photographer. >> >> I know, or will be able to pin down the exact locations of >> some houses, or >> corners thereof. Some of these have been marked with a blue "x". >> >> Now, I believe that it should be possible, to actually >> determine the exact >> locations of these buildings just by going by this >> photograph. (Let's say it >> was shot with a lens equalling 50mm on 35mm film camera.) >> >> Am I correct or mistaken? >> >> If it's possible, can anybody help me out in how to go about >> doing it, or do >> I have to redo my geometry classes? >> >> http://photo.net/photodb/photo?photo_id=6894839&size=lg >> >> >> Thanks for your comments, >> Lasse. >> >> >> -- >> PDML Pentax-Discuss Mail List >> PDML@pdml.net >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly >> above and follow the directions. >> >> > > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.