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

"Orthorectification" is the cartographic process here.  This means "stretching" an image to remove distortion so it will match (or closely match given mathematical constraints) the spatial accuracy of a given map (like OSM's data) so that a close-enough match between the image and the existing map

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

Hi For info there is a map warper (or georeferencer) plugin for QGIS. Here is a tutorial https://www.qgistutorials.com/en/docs/3/georeferencing_basics.html > On 7 Sep 2021, at 5:02 pm, Adam Horan wrote: > > "what is it actually doing?" > > You use it to correct/align old maps to modern maps.

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

MapWarper is most terrific. Another instance that might be of use to OSMers is the Wikimedia one, 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