[talk-au] FYI Public Records VIC - Map Warper

Sam Wilson sam at samwilson.id.au
Tue Sep 7 08:38:16 UTC 2021

MapWarper is most terrific.

Another instance that might be of use to OSMers is the Wikimedia one, 
<https://warper.wmflabs.org/> which allows warping of any map uploaded 
to Wikimedia Commons (i.e. has to be public domain or open licensed, so 
not 100% compatible with OSM). I've done a few. The resulting data can 
also be uploaded to OHM <https://openhistoricalmap.org>.

On 7/9/21 3:02 pm, Adam Horan wrote:
> "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 
> <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 
> <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 
> <graemefitz1 at gmail.com <mailto:graemefitz1 at gmail.com>> wrote:
>     Interesting, but what is it actually doing?https://warper.wmflabs.org/
>     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 <ahoran at gmail.com
>     <mailto:ahoran at gmail.com>> 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
>         <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/
>         <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
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