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Results tagged with openlayers
Search options questions only
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user 60146
Use when the version you are using of the OpenLayers JavaScript client toolkit is 3 or later
0
votes
2
answers
621
views
ArcGIS REST layer doesn't show up in OpenLayers
I try to show a WMS layer with OpenLayers 4.6.5 but the tiles don't show up. …
- 1,000
2
votes
1
answer
2k
views
Use a second canvas for drawing an animation in Openlayers
I want to implement an animation of flowing rivers on top of an Openlayers map. …
- 1,000
1
vote
1
answer
550
views
Distinguish features inside a cluster with OpenLayers
Based on the OpenLayers Dynamic clusters example to tried to implement tooltips on feature mouseover. …
- 1,000
1
vote
1
answer
2k
views
How to create a polygon with a circular hole in openlayers 3?
To highlight an area on my map I need to make a circular hole in a polygon. The rectangle polygon covers the whole map, the circle hole should act as a spot on my area to highlight.
But actually I on …
- 1,000
2
votes
0
answers
392
views
QGIS server ignores GetFeatureInfo request tolerance
FI_LINE_TOLERANCE': 0,
'FI_POINT_TOLERANCE': 0,
'FI_POLYGON_TOLERANCE': 0
}
);
The problem is that adding the tolerance parameters to the request doesn't make any change, the URL given back by Openlayers …
- 1,000
1
vote
0
answers
132
views
Getting GML features with OpenLayers from Spanish Cadaster fails
I'm trying to paint parcels retrieved from Spanish land register by their API (as described here, PDF Spanish only!). It's an WFS service (complying INSPIRE) and offers the information as GML versión …
- 1,000
4
votes
1
answer
3k
views
How to find features in Openlayers VectorTiles
I use MVT vector tiles with Openlayers and everything works fine - but now I have a conceptual problem.
I need to make features selectable and searchable. …
- 1,000
6
votes
2
answers
3k
views
Hide old tiles while loading new ones when zooming in Openlayers
Standard behavior, while zooming in and out in Openlayers, is that the current tile gets resampled and displayed stretched or compressed until the new tile is available. … Note: In Openlayers 2 there was a transitionEffect parameter in OpenLayers.Layer.WMS as shown in this example. …
- 1,000
1
vote
0
answers
394
views
Serving ESRI layer as WMS through QGIS server
I try to offer it as WMS service using QGIS server to later visualize it with OpenLayers. …
- 1,000
1
vote
0
answers
767
views
WMS tile caching for QGIS Server
I only miss the possibility to cache tiles, mostly used by Openlayers.
Is there any alternative to GeoWebCache for QGIS Server? …
- 1,000
1
vote
0
answers
100
views
Why doesn't requested tile get cached in browser?
I'm trying to optimize the load time of a mapping project using QGIS server and Openlayers 4 and have a question about browser cache. …
- 1,000
0
votes
1
answer
354
views
Problem with Fetch API using URL built by GetFeatureInfo in Openlayers
I request the feature info URL from Spanish land register WMS service successfully using:
const url = wmsSource.getFeatureInfoUrl(
evt.coordinate,
view.getResolution(),
view.getProjection( …
- 1,000
2
votes
1
answer
655
views
Differences in QGIS server with WMS and WFS projections?
Showing a WMS layer using Openlayers works fine. Tiles are called like that:
http://localhost/cgi-bin/project/qgis_mapserv.fcgi? … &WIDTH=256&HEIGHT=256&CRS=EPSG:3857&STYLES=&BBOX=-469629.10178412125,4696291.017841229,-313086.06785608025,4852834.051769271
When I try to get the same layer as WFS data (based on this example from Openlayers …
- 1,000
2
votes
1
answer
914
views
getGetFeatureInfoUrl Hit-detection tolerance
I'm using getGetFeatureInfoUrl to retrieve features from a WMS layer like that:
var url = wmsSource.getGetFeatureInfoUrl(
evt.coordinate, viewResolution, 'EPSG:3857',
{'INFO_FORMAT': 'text/xml'}
…
- 1,000
2
votes
1
answer
486
views
Extent for Robinson projection?
I'm trying to use a QGIS WMS layer and show it on a Robinson projection but can't get it working.
The ol-debug shows a "transform should be defined" error, I think it's because of a wrong projection …
- 1,000