Gridlines appearing with geoserver 2.15.0 and vector tiles

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Gridlines appearing with geoserver 2.15.0 and vector tiles

Matt Hakim
Hi,
We use openlayers and vector tiles to display features on the map.
After upgrading to 2.15.0 and we apply a new style to highlight the feature, gridlines (or a gutter around the tiles) appears within the highlighted region. This is a change of behaviour from 2.11.
Any ideas on what is causing the gridlines to appear?
If we change the stroke width back to 1 the gridlines disappear.

Regards,
Matt.


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- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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Re: Gridlines appearing with geoserver 2.15.0 and vector tiles

geowolf
Hi Matt,
not sure, we are displaying lines and polygon in OpenLayers with a GeoServer 2.16.x (nightly build) and have no such issue.
At this URL we have a proof of concept based on MapStore/OpenLayers and displaying vector tiles with both SLD and MBStyle client side styling:


When we created it, it was running against a 2.15.x and I don't remember seeing border issues either.
The jump from 2.11 is a really long one, many changes went into the vector tiles module in the meantime. Can you show what's going on in your client?

Cheers
Andrea

On Mon, Apr 15, 2019 at 3:09 AM Matt Hakim <[hidden email]> wrote:
Hi,
We use openlayers and vector tiles to display features on the map.
After upgrading to 2.15.0 and we apply a new style to highlight the feature, gridlines (or a gutter around the tiles) appears within the highlighted region. This is a change of behaviour from 2.11.
Any ideas on what is causing the gridlines to appear?
If we change the stroke width back to 1 the gridlines disappear.

Regards,
Matt.
_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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Regards, Andrea Aime == GeoServer Professional Services from the experts! Visit http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa (LU) phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 http://www.geo-solutions.it http://twitter.com/geosolutions_it ------------------------------------------------------- Con riferimento alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni circostanza inerente alla presente email (il suo contenuto, gli eventuali allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le sarei comunque grato se potesse darmene notizia. This email is intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure. We remind that - as provided by European Regulation 2016/679 “GDPR” - copying, dissemination or use of this e-mail or the information herein by anyone other than the intended recipient is prohibited. If you have received this email by mistake, please notify us immediately by telephone or e-mail.



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Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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SW
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Re: Gridlines appearing with geoserver 2.15.0 and vector tiles

SW
Hi, 

We're also using OpenLayers and GeoServer/GWC generated vector tiles to
display features on a map.

We recently upgraded to 2.15.0 and noticed the same gridlines around the
internal edges of the vector tile. 

Here's an example of what we're seeing for a layer styled in OpenLayers CSS
with stroke width of 3:
https://www.dropbox.com/s/mdwni4fs3hegy3t/Grid_lines_1.PNG?dl=0
In this cases the internal grid is quite obvious.

And here's an example of what we're seeing for a layer styled in OpenLayers
CSS with stroke width of 1:
https://www.dropbox.com/s/15blsn6tvz9z800/Grid_lines_3.PNG?dl=0
In this case the internal grid is faint, but still visible.

To help isolate the problem we read the GeoServer vector tiles into Maputnik
(Mapbox GL JS) and Leaflet. In both cases we still see the same internal
grid issue. 
The width of the internal grid seems to be proportional to the width of the
feature's outline stroke style, although this might be due to overlaps
betwen the tiles obscuring the full style.

To narrow down which version of GeoServer migth have introduced the issue,
we stepped back through the recent releases.
It looks like it was introduced in 2.14.1 as we see the issue in that
release, but not in 2.14.0.

In the response above Andrea provided a link to:
http://vtp2018.s3-eu-west-1.amazonaws.com/vtpext-wmts.html#/
I can see the internal grid in some cases on that site - for example I see
it with the "Night" SLD style:
https://www.dropbox.com/s/q1grew5r7b40le2/Night_vector_tile_grid_lines.PNG?dl=0

And if I edit the Mapbox style, I can see it more clearly:
https://www.dropbox.com/s/nxtla7y0w08k4by/Night_with_grids.png?dl=0

Any idea what might be going on with the internal grids?

Thanks,
Scott



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Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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Re: Gridlines appearing with geoserver 2.15.0 and vector tiles

geowolf
Hi Scott,
thanks for confirming. Can you open a ticket on https://osgeo-org.atlassian.net/projects/GEOS/summary
with the information you shared above?

Cheers
Andrea


On Tue, May 21, 2019 at 11:12 AM SW <[hidden email]> wrote:
Hi, 

We're also using OpenLayers and GeoServer/GWC generated vector tiles to
display features on a map.

We recently upgraded to 2.15.0 and noticed the same gridlines around the
internal edges of the vector tile. 

Here's an example of what we're seeing for a layer styled in OpenLayers CSS
with stroke width of 3:
https://www.dropbox.com/s/mdwni4fs3hegy3t/Grid_lines_1.PNG?dl=0
In this cases the internal grid is quite obvious.

And here's an example of what we're seeing for a layer styled in OpenLayers
CSS with stroke width of 1:
https://www.dropbox.com/s/15blsn6tvz9z800/Grid_lines_3.PNG?dl=0
In this case the internal grid is faint, but still visible.

To help isolate the problem we read the GeoServer vector tiles into Maputnik
(Mapbox GL JS) and Leaflet. In both cases we still see the same internal
grid issue. 
The width of the internal grid seems to be proportional to the width of the
feature's outline stroke style, although this might be due to overlaps
betwen the tiles obscuring the full style.

To narrow down which version of GeoServer migth have introduced the issue,
we stepped back through the recent releases.
It looks like it was introduced in 2.14.1 as we see the issue in that
release, but not in 2.14.0.

In the response above Andrea provided a link to:
http://vtp2018.s3-eu-west-1.amazonaws.com/vtpext-wmts.html#/
I can see the internal grid in some cases on that site - for example I see
it with the "Night" SLD style:
https://www.dropbox.com/s/q1grew5r7b40le2/Night_vector_tile_grid_lines.PNG?dl=0

And if I edit the Mapbox style, I can see it more clearly:
https://www.dropbox.com/s/nxtla7y0w08k4by/Night_with_grids.png?dl=0

Any idea what might be going on with the internal grids?

Thanks,
Scott



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_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


[hidden email]
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Regards, Andrea Aime == GeoServer Professional Services from the experts! Visit http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa (LU) phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 http://www.geo-solutions.it http://twitter.com/geosolutions_it ------------------------------------------------------- Con riferimento alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni circostanza inerente alla presente email (il suo contenuto, gli eventuali allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le sarei comunque grato se potesse darmene notizia. This email is intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure. We remind that - as provided by European Regulation 2016/679 “GDPR” - copying, dissemination or use of this e-mail or the information herein by anyone other than the intended recipient is prohibited. If you have received this email by mistake, please notify us immediately by telephone or e-mail.



_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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Re: Gridlines appearing with geoserver 2.15.0 and vector tiles

jody.garnett
In reply to this post by SW
Just to clarify, what is the intended functionality here? Are the polygons intended to extend past the tile boundary and be "clipped" (and thus not render an edge)?
--
Jody Garnett


On Tue, 21 May 2019 at 02:06, SW <[hidden email]> wrote:
Hi, 

We're also using OpenLayers and GeoServer/GWC generated vector tiles to
display features on a map.

We recently upgraded to 2.15.0 and noticed the same gridlines around the
internal edges of the vector tile. 

Here's an example of what we're seeing for a layer styled in OpenLayers CSS
with stroke width of 3:
https://www.dropbox.com/s/mdwni4fs3hegy3t/Grid_lines_1.PNG?dl=0
In this cases the internal grid is quite obvious.

And here's an example of what we're seeing for a layer styled in OpenLayers
CSS with stroke width of 1:
https://www.dropbox.com/s/15blsn6tvz9z800/Grid_lines_3.PNG?dl=0
In this case the internal grid is faint, but still visible.

To help isolate the problem we read the GeoServer vector tiles into Maputnik
(Mapbox GL JS) and Leaflet. In both cases we still see the same internal
grid issue. 
The width of the internal grid seems to be proportional to the width of the
feature's outline stroke style, although this might be due to overlaps
betwen the tiles obscuring the full style.

To narrow down which version of GeoServer migth have introduced the issue,
we stepped back through the recent releases.
It looks like it was introduced in 2.14.1 as we see the issue in that
release, but not in 2.14.0.

In the response above Andrea provided a link to:
http://vtp2018.s3-eu-west-1.amazonaws.com/vtpext-wmts.html#/
I can see the internal grid in some cases on that site - for example I see
it with the "Night" SLD style:
https://www.dropbox.com/s/q1grew5r7b40le2/Night_vector_tile_grid_lines.PNG?dl=0

And if I edit the Mapbox style, I can see it more clearly:
https://www.dropbox.com/s/nxtla7y0w08k4by/Night_with_grids.png?dl=0

Any idea what might be going on with the internal grids?

Thanks,
Scott



--
Sent from: http://osgeo-org.1560.x6.nabble.com/GeoServer-User-f3786390.html


_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


[hidden email]
https://lists.sourceforge.net/lists/listinfo/geoserver-users


_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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Re: Gridlines appearing with geoserver 2.15.0 and vector tiles

geowolf
Hi Jody,
yes I believe that vector tiles are supposed to have a gutter outside the tile to prevent borders painted by the client from showing up
like they do. I'm seeing a fixed buffer of 12 pixels in the code, plus an amount dependent on the style used... however at some point
I believe that the tile resolution was pumped up with an oversampling factor of 16 (around Oct 18th, by Devon), maybe that's interacting badly 
with the gutter computation... just speculation at the moment, I have not really looked into it

Cheers
Andrea


On Tue, May 21, 2019 at 9:26 PM Jody Garnett <[hidden email]> wrote:
Just to clarify, what is the intended functionality here? Are the polygons intended to extend past the tile boundary and be "clipped" (and thus not render an edge)?
--
Jody Garnett


On Tue, 21 May 2019 at 02:06, SW <[hidden email]> wrote:
Hi, 

We're also using OpenLayers and GeoServer/GWC generated vector tiles to
display features on a map.

We recently upgraded to 2.15.0 and noticed the same gridlines around the
internal edges of the vector tile. 

Here's an example of what we're seeing for a layer styled in OpenLayers CSS
with stroke width of 3:
https://www.dropbox.com/s/mdwni4fs3hegy3t/Grid_lines_1.PNG?dl=0
In this cases the internal grid is quite obvious.

And here's an example of what we're seeing for a layer styled in OpenLayers
CSS with stroke width of 1:
https://www.dropbox.com/s/15blsn6tvz9z800/Grid_lines_3.PNG?dl=0
In this case the internal grid is faint, but still visible.

To help isolate the problem we read the GeoServer vector tiles into Maputnik
(Mapbox GL JS) and Leaflet. In both cases we still see the same internal
grid issue. 
The width of the internal grid seems to be proportional to the width of the
feature's outline stroke style, although this might be due to overlaps
betwen the tiles obscuring the full style.

To narrow down which version of GeoServer migth have introduced the issue,
we stepped back through the recent releases.
It looks like it was introduced in 2.14.1 as we see the issue in that
release, but not in 2.14.0.

In the response above Andrea provided a link to:
http://vtp2018.s3-eu-west-1.amazonaws.com/vtpext-wmts.html#/
I can see the internal grid in some cases on that site - for example I see
it with the "Night" SLD style:
https://www.dropbox.com/s/q1grew5r7b40le2/Night_vector_tile_grid_lines.PNG?dl=0

And if I edit the Mapbox style, I can see it more clearly:
https://www.dropbox.com/s/nxtla7y0w08k4by/Night_with_grids.png?dl=0

Any idea what might be going on with the internal grids?

Thanks,
Scott



--
Sent from: http://osgeo-org.1560.x6.nabble.com/GeoServer-User-f3786390.html


_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


[hidden email]
https://lists.sourceforge.net/lists/listinfo/geoserver-users


--

Regards, Andrea Aime == GeoServer Professional Services from the experts! Visit http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa (LU) phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 http://www.geo-solutions.it http://twitter.com/geosolutions_it ------------------------------------------------------- Con riferimento alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni circostanza inerente alla presente email (il suo contenuto, gli eventuali allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le sarei comunque grato se potesse darmene notizia. This email is intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure. We remind that - as provided by European Regulation 2016/679 “GDPR” - copying, dissemination or use of this e-mail or the information herein by anyone other than the intended recipient is prohibited. If you have received this email by mistake, please notify us immediately by telephone or e-mail.



_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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Re: Gridlines appearing with geoserver 2.15.0 and vector tiles

Matt Hakim
Hi Scott, 
Are you setting the tileGrid property when creating the vector layer? If so, remove it.
I think everyone copies this code off the Geoserver website:

var map = new ol.Map({
    target: 'map',
    view: new ol.View({
      center: [0, 0],
      zoom: 2
    }),
    layers: [new ol.layer.VectorTile({
      style:simpleStyle,
      source: new ol.source.VectorTile({
        tilePixelRatio: 1, // oversampling when > 1
        tileGrid: ol.tilegrid.createXYZ({maxZoom: 19}),
        format: new ol.format.MVT(),
        url: '/geoserver/gwc/service/tms/1.0.0/' + layer +
            '@EPSG%3A'+projection_epsg_no+'@pbf/{z}/{x}/{-y}.pbf'
      })
    })]
  });

Supplying the tileGrid property creates the gridlines in 2.15.0. Not sure why it doesn't for earlier versions.

Matt.


On Wed, May 22, 2019 at 7:10 PM Andrea Aime <[hidden email]> wrote:
Hi Jody,
yes I believe that vector tiles are supposed to have a gutter outside the tile to prevent borders painted by the client from showing up
like they do. I'm seeing a fixed buffer of 12 pixels in the code, plus an amount dependent on the style used... however at some point
I believe that the tile resolution was pumped up with an oversampling factor of 16 (around Oct 18th, by Devon), maybe that's interacting badly 
with the gutter computation... just speculation at the moment, I have not really looked into it

Cheers
Andrea


On Tue, May 21, 2019 at 9:26 PM Jody Garnett <[hidden email]> wrote:
Just to clarify, what is the intended functionality here? Are the polygons intended to extend past the tile boundary and be "clipped" (and thus not render an edge)?
--
Jody Garnett


On Tue, 21 May 2019 at 02:06, SW <[hidden email]> wrote:
Hi, 

We're also using OpenLayers and GeoServer/GWC generated vector tiles to
display features on a map.

We recently upgraded to 2.15.0 and noticed the same gridlines around the
internal edges of the vector tile. 

Here's an example of what we're seeing for a layer styled in OpenLayers CSS
with stroke width of 3:
https://www.dropbox.com/s/mdwni4fs3hegy3t/Grid_lines_1.PNG?dl=0
In this cases the internal grid is quite obvious.

And here's an example of what we're seeing for a layer styled in OpenLayers
CSS with stroke width of 1:
https://www.dropbox.com/s/15blsn6tvz9z800/Grid_lines_3.PNG?dl=0
In this case the internal grid is faint, but still visible.

To help isolate the problem we read the GeoServer vector tiles into Maputnik
(Mapbox GL JS) and Leaflet. In both cases we still see the same internal
grid issue. 
The width of the internal grid seems to be proportional to the width of the
feature's outline stroke style, although this might be due to overlaps
betwen the tiles obscuring the full style.

To narrow down which version of GeoServer migth have introduced the issue,
we stepped back through the recent releases.
It looks like it was introduced in 2.14.1 as we see the issue in that
release, but not in 2.14.0.

In the response above Andrea provided a link to:
http://vtp2018.s3-eu-west-1.amazonaws.com/vtpext-wmts.html#/
I can see the internal grid in some cases on that site - for example I see
it with the "Night" SLD style:
https://www.dropbox.com/s/q1grew5r7b40le2/Night_vector_tile_grid_lines.PNG?dl=0

And if I edit the Mapbox style, I can see it more clearly:
https://www.dropbox.com/s/nxtla7y0w08k4by/Night_with_grids.png?dl=0

Any idea what might be going on with the internal grids?

Thanks,
Scott



--
Sent from: http://osgeo-org.1560.x6.nabble.com/GeoServer-User-f3786390.html


_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


[hidden email]
https://lists.sourceforge.net/lists/listinfo/geoserver-users
_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


[hidden email]
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Regards, Andrea Aime == GeoServer Professional Services from the experts! Visit http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa (LU) phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 http://www.geo-solutions.it http://twitter.com/geosolutions_it ------------------------------------------------------- Con riferimento alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni circostanza inerente alla presente email (il suo contenuto, gli eventuali allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le sarei comunque grato se potesse darmene notizia. This email is intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure. We remind that - as provided by European Regulation 2016/679 “GDPR” - copying, dissemination or use of this e-mail or the information herein by anyone other than the intended recipient is prohibited. If you have received this email by mistake, please notify us immediately by telephone or e-mail.

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Please make sure you read the following two resources before posting to this list:
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- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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Re: Gridlines appearing with geoserver 2.15.0 and vector tiles

SW
This post was updated on .
Hi Matt,

Thanks for coming back to us.

We are using tileGrid in our OpenLayers code - but we need to use it make
the tiles line up properly.

We are seeing the same internal grid issue when consuming the GeoServer
generated vector tiles in both Leaflet and Mapbox GL JS - so we don't think
it is an OpenLayers issue.

To show an example outside of OpenLayers, we created a page with Leaflet
showing the data from Andrea's link:https://codepen.io/javierl/full/vwdZqG

We also created a Mapbox GL JS example, where the grid lines appear consistently
when on the regular zoom levels, but they sometimes disappear when at irregular zoom levels:
 https://www.dropbox.com/s/l2goj2jtqr0boi3/zoom-comparison.png?dl=0

Thanks
Scott



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Please make sure you read the following two resources before posting to this list:
- Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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