On Fri, 10 Feb 2017, Albert Pundt wrote:
I've been trying to get the Pennsylvania 2015 NAIP imagery into JOSM as
Bing is horribly outdated in most areas, and USGS takes so long to load the
tiles it's unusable.
However, I can't seem to add the layer properly. I enabled remote control,
and used the link in this <https://maxerickson.github.io/NAIP_Remote/> page,
but the layer seems to be offset horizontally by half the width of the
world, and an odd flickering Pennsylvania in the middle that doesn't appear
at all at anything but the lowest zoom levels. Upon further
experimentation, it seems to do this for all the states' layers. Here
<https://www.youtube.com/watch?v=xmNy6HJFZWQ> is a demonstration video
showing this odd problem, and here
<https://help.openstreetmap.org/questions/54606/how-to-add-2015-naip-imagery-for-pennsylvania-to-josm>
is my question about this on help.osm.org that I posted in addition to this
email.
What do I need to do to make this work?
Very likely your current projection does not match. It seems the server
supports only EPSG:4326. JOSM's default is EPSG:3857.
The best solution would be to add the imagery sources to JOSMs list
of imagery instead of using these links. Maybe you can work together with
the author of the link list to add these links (if allowed to be used for
OSM). It's a wiki and can be changed!
See here:
https://josm.openstreetmap.de/wiki/Maps
https://josm.openstreetmap.de/wiki/Maps/USA
This list provides some advantages:
* simply choose the imagery from JOSM settings directly instead of manual work
* automatic updates
* additional information like projections are handled automatically
* boundaries of the imagery allow automatic selection of applicable data
* JOSM's workaround to acces EPSG:4326 with EPSG:3857 is usable
Ciao
--
http://www.dstoecker.eu/ (PGP key available)
