see here http://www.openstreetmap.org/user/h4ck3rm1k3/diary/10219
On Sun, Jun 13, 2010 at 4:50 PM, Ciprian Talaba <cipriantal...@gmail.com> wrote: > Maybe Map Warper http://warper.geothings.net/ can help you. > > --Ciprian > > On Jun 13, 2010 4:50 PM, "Tristan Scott" <trs...@gmail.com> wrote: > > I happen to know a chap who has quite a lot of aerial imagery of > Norfolk villages. > Because he publishes the images, I cannot release the images to "the > public" or to other mappers, but I can use them myself to generate > mapping data. > > Some of the uses I have in mind is to map landuse in villages and > missing roads, for villages where most of the roads have already been > gps-mapped, giving lots of known points to perform the rectification > from. > > Now, the images are taken at quite a low angle, so I'll need to recify > them using software, ideally some sort of orthorecification thing in > JOSM, if such is availiable. The tranform will be a basic trapezoid > shape, but with a bottom probably half as long as the top (so the > image taken at 45 degrees) possibly with slightly bowed sides for any > barrel distorion in the lens. Obviously this will only work from items > on the flat plane, but handily that pretty much describes norfolk. > > Does anyone have experience of this, who could point me in the > direction of the appropriate JOSM plugin, or external software? I have > Linux (Gentoo) and Windows XP on systems used for mapping. > > This must be a fairly common issue for mappers, right? > > Tristan Scott BSc(Hons) > Yare Valley Technical Services > 07837 205829 > 01603 858441 > > _______________________________________________ > talk mailing list > talk@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk > > _______________________________________________ > talk mailing list > talk@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk > > _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
