Nice work Greg :) On Thu, 17 Aug 2017 20:13 Gregrs <[email protected]> wrote:
> -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Hi all, > > Standing on the shoulders of various other OSM contributors, I've > written a BASH script [https://github.com/gregrs-uk/lidar2tiles] which > uses GDAL to automatically process Environment Agency LIDAR 'composite' > data and create map tiles which can be viewed in a browser or used in > JOSM. Map tiles are coloured based on the height of surface features > such as buildings and trees, calculated by subtracting the DTM from the > DSM. This can make it easier to trace buildings more accurately because > different roof heights are different colours. By default, features below > 1m are transparent, meaning that buildings can easily be distinguished > from ground level and the tiles can be viewed on top of Bing imagery, > for example. The colours can be customised, of course. > > I've created map tiles for the area around Canterbury, which you can > view here [http://gregrs.dev.openstreetmap.org/lidar]. They can be > added to JOSM temporarily using this link > [ > http://localhost:8111/imagery?title=EA%20LIDAR%20Open%20Data%20Canterbury&type=tms&url=http://gregrs.dev.openstreetmap.org/lidar/{zoom}/{x}/{-y}.png > <http://localhost:8111/imagery?title=EA%20LIDAR%20Open%20Data%20Canterbury&type=tms&url=http://gregrs.dev.openstreetmap.org/lidar/%7Bzoom%7D/%7Bx%7D/%7B-y%7D.png> > ] > if remote control is enabled, or added permanently as follows: > > * Click on Imagery > Imagery Preferences > * Click on the '+ TMS' button > * Enter the URL > * http://gregrs.dev.openstreetmap.org/lidar/{zoom}/{x}/{-y}.png (note > the -y) and a name for the layer > * The layer will appear in the Imagery menu > > Please feel free to use the code > [https://github.com/gregrs-uk/lidar2tiles] and to experiment! > > Greg > > - -- > Twitter: @gregrs_uk > http://gregrs.dev.openstreetmap.org > PGP key ID: 64907C8A > Fingerprint: EBD1 077F CCDD 841E A505 3FAA D2E8 592E 6490 7C8A > -----BEGIN PGP SIGNATURE----- > > iQEcBAEBCAAGBQJZleZvAAoJEB7WhxSLszZlV9UH/jdRmsigIE/zd/NwiHEEpwiM > JUGi2ZwX+CZsE+tZW64cccd4RPPAFNRdkOS60d9Iw+v3ouSEOng79OTPvrJXbuB/ > W7JjRl1mYs/K3l9agHENovspSd9/GWJM5i/SMzZ7Mc2RPaK11DnZFgNddqIWsQfL > /JMusJeMB6lV4n2i3+sJlNI2IMUKfxw4E4Pfk14DTy2+2Uohr/CGzmceGbVFvXy9 > UIRj9lG55HnbM1NCqp7TKF5uuHtvnQUgCBcTFKKdahR3J9PXGKSTxJZU8kBbo4jn > VAZ4uQMrmx8rgMZ7iU05si07ypkOhKefhG7AADm9QJPmmHjEwlJAsDUAv4By9cY= > =DJjJ > -----END PGP SIGNATURE----- > > _______________________________________________ > Talk-GB mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/talk-gb >
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