[GeoNode-users] Adding a XYZ basemap to GeoExplorer

[Paolo Pasquali]

Hi Stefan,

The service responds to
https://htonl.dev.openstreetmap.org/ngi-tiles/tiles/50k/${z}/${x}/${y}.png

But if I set it as a TMS instead of a XYZ GeoExplorer builds the following
URL
https://htonl.dev.openstreetmap.org/ngi-tiles/tiles/1.0.0/50k/${z}/${x}/${y}.png

I can have the correct "y" but cannot remove the service version in the URL.


Best,


Paolo



On Mon, Feb 18, 2019 at 9:39 PM Stefan Steiniger <ssteiniger at uc.cl> wrote:

> Hi Paolo,
>
> Why woyld you have negative tile ids? This does not make sense to me that
> a tile service would not account for it. Did you check the standard?
>
> Perhaps this link helps? https://wiki.openstreetmap.org/wiki/TMS
>
> Cheers,
> Stefan
>
>
> On Mon, Feb 18, 2019, 13:49 Alessio Fabiani <alessio.fabiani at gmail.com
> wrote:
>
>> Hi Paolo,
>> I'm afraid you will need to create a custom ptype, similar to OSM as an
>> instance, which is able to correctly parse and create urls for this
>> particular use case.
>>
>> Il giorno lun 18 feb 2019 alle ore 17:28 Paolo Pasquali <
>> paolo.pasquali at gmail.com> ha scritto:
>>
>>> Dear all,
>>>
>>> I understand this is more a GeoExplorer matter but maybe you can help...
>>>
>>> I would like to add a XYZ layer as a basemap so I've changed my settings
>>> accordingly.
>>> The problem is that I cannot solve the z/x/y url pattern, in particular
>>> I should have (my guess, since the tiles goes on the other side of the
>>> equator) a negative y. Here is my settings:
>>>
>>> {
>>>     "source": {"ptype": "gxp_olsource"},
>>>     "type": "OpenLayers.Layer.XYZ",
>>>     "title": "CD:NGI Topo",
>>>     "args": ["CD:NGI Topo", "
>>> https://htonl.dev.openstreetmap.org/ngi-tiles/tiles/50k/${z}/${x}/${-y}.png
>>> "],
>>>     "name": "background",
>>>     "attribution": "State Copyright © 1996–2013 <a href=\"
>>> http://www.ngi.gov.za\">Chief Directorate: National Geo-spatial
>>> Information</a>",
>>>     "visibility": False,
>>>     "wrapDateLine": True,
>>>     "fixed": True,
>>>     "group":"background"
>>> },
>>>
>>> Unfortunately, OpenLayers (or GeoExplorer) cannot solve the -y because I
>>> get this for a tile:
>>>
>>> https://htonl.dev.openstreetmap.org/ngi-tiles/tiles/50k/5/17/$%7B-y%7D.png
>>>
>>> Is there a way to handle this? I've also tried with
>>> OpenLayers.Layer.OSM but had the same result.
>>>
>>> Thanks in advance for your help.
>>>
>>> Best,
>>>
>>>
>>> Paolo
>>>
>>>
>>>
>>>
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