"what is it actually doing?" You use it to correct/align old maps to modern maps. This enables browsing and overlays of old maps onto modern eg https://mapwarper.prov.vic.gov.au/maps/10890#Preview_Rectified_Map_tab There's a WMS layer produced that can be shown in JOSM and others, see https://mapwarper.prov.vic.gov.au/maps/10890#Export_tab . I've no idea on the legals/copyright involved in utilising the information on these maps in OSM (even if data was still relevant all these years later)
On Tue, 7 Sept 2021 at 15:36, Graeme Fitzpatrick <[email protected]> wrote: > Interesting, but what is it actually doing? > > Is that "correcting" the original maps to align with OSM? > > I'm afraid to say that they have a lot to learn about explanatory videos, > or was it only me that was silent, & kept dropping in & out of focus! > > Thanks > > Graeme > > > On Tue, 7 Sept 2021 at 14:59, Adam Horan <[email protected]> wrote: > >> As a group of people interested in Australia, Maps, crowdsourcing and >> open data, I'm going to assume you'll also be interested in Map Warper. >> It's an online tool allowing alignment and rectification of old (any >> really) maps to reality. https://wiki.openstreetmap.org/wiki/MapWarper >> >> I've been playing with the version hosted for Public Records Office Vic >> at https://mapwarper.prov.vic.gov.au/ >> There's 12091 old maps and plans on the site, some have been rectified, >> and some await rectification. >> >> I've been finding looking at these old maps absolutely fascinating. You >> can see which roads have moved or not, towns that were planned to be much >> larger and have shrunk, roads that have returned to tracks, or disappeared, >> original (Aboriginal sounding) place names that have been retained or lost. >> You can also appreciate the skill and accuracy of the surveyors of 100+ >> years ago, there are coastlines and rivers mapped in more detail here than >> in OSM. >> >> Usability is a bit average, but the content is interesting. >> >> Regards, >> >> Adam >> _______________________________________________ >> Talk-au mailing list >> [email protected] >> https://lists.openstreetmap.org/listinfo/talk-au >> >
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