Mapwarper could do so without too much trouble (Tim?); it is unlikely that the projection can be estimated since an algorithm could not differentiate between error and projection fit. -rhw
> On Apr 25, 2015, at 9:18 AM, James Heald <[email protected]> wrote: > > There is a slot for that in the Commons {{map}} description template > http://commons.wikimedia.org/wiki/Template:Map > > using the field "projection", > > with a handful of values that have internationalisations defined at > > http://commons.wikimedia.org/wiki/Template:I18n/map_projection > > But it's not clear whether/how the template should store relevant parameters. > > I'm not sure whether the information can be used as a baseline by MapWarper > yet. (Tim ?). Or whether there are good scripts available to estimate a > projection, given georeferencing points. > > -- J. > > On 25/04/2015 13:06, Rob H Warren wrote: >> If we are going to go through the trouble of storing geo-referencing data, >> we would be silly not to add original projection type when known. There are >> a few specs on github for ideas. -rhw >> >>> On Apr 24, 2015, at 8:28 PM, James Heald <[email protected]> wrote: >>> >>> MG_1773.jpg,12,23,11.2,32.2 >>> IMG_1773.jpg,12,23,10.2,31.1 >>> >>> from which there is script that an admin can use to add the data to the >>> map-warper. >>> >>> This doesn't capture all of the data stored by Klokan Georeferencer -- eg >>> the useful information as to what layer the image was georeferenced against >>> -- but is enough to get the geo-referencing data into the system, and to >>> then get it out in various formats, including serving georeferenced tiles. >>> >>> >>> Sorry if it's all still a little bit round-the-houses; but with luck >>> everything should get a bit more streamlined, as we get more geared up for >>> large scale import. >>> >>> (There are already a couple of thousand images on Commons with links to >>> external georeferencing, either at NYPL or the British Library; plus ready >>> to be uploaded to Commons a further 6,000 georeferenced map images from the >>> BL Mechanical Curator collection, just as soon as I've got >>> auto-categorisation a bit more worked out, with that number currently >>> increasing by approximately a further 100 georeferenced images a day >>> https://commons.wikimedia.org/wiki/Commons:British_Library/Mechanical_Curator_collection/georeferencing_done >>> ). >>> >>> As far as I know, nobody has yet actually used the script to import >>> pre-existing georeferencing onto the warper.wmflabs.org server, so I'm >>> quite interested to see how you get on! >>> >>> Best regards, >>> >>> James. >> >> >> _______________________________________________ >> Wikimaps mailing list >> [email protected] >> https://lists.wikimedia.org/mailman/listinfo/wikimaps >> > > > _______________________________________________ > Wikimaps mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wikimaps _______________________________________________ Glamtools mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/glamtools
