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Results tagged with openlayers
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user 106393
Use when the version you are using of the OpenLayers JavaScript client toolkit is 3 or later
0
votes
1
answer
3k
views
OpenLayers: GeoJSON Vector-Layer refresh / redraw every second
I do not get to move the Vector Layer in my OpenLayers script. The layer should be renewed every second. …
- 81
1
vote
2
answers
2k
views
Remove/Delete a layer or layergroup with mouse click
OpenLayers does not seem to have such a simple solution. …
- 81
0
votes
Remove/Delete a layer or layergroup with mouse click
I have found it myself. There is a getArray().
if (map.getLayers().getArray().length > 1) {
map.getLayers().getArray().pop();
}
- 81
-2
votes
1
answer
649
views
Openlayers 5 click vector feature style circle popup [SOLUTION!] [closed]
Please include with:
https://cdn.rawgit.com/openlayers/openlayers.github.io/master/en/v5.3.0/css/ol.css
https://cdn.rawgit.com/openlayers/openlayers.github.io/master/en/v5.3.0/build/ol.js …
- 81
2
votes
1
answer
2k
views
ol.control.MousePosition EPSG:4326 over 180/-180 longitude (OL4)
i will use a OpenLayers example in EPSG:4326, but the value of longitude is not wrapping on 180/-180 longitude.
How can i fix it? … The OpenLayers Example:
https://openlayers.org/en/latest/examples/mouse-position.html
The OL example in a JSFiddle:
https://jsfiddle.net/eqjjp4u8/ …
- 81
1
vote
1
answer
849
views
Calculate distance from GPX in OpenLayers
In OpenLayers is an array with all coordinates + the elevation. I would like to extend this array by the distance. …
- 81
0
votes
1
answer
1k
views
Creating markers within a loop
Using OpenLayers, I want to display multiple markers over an OSM map by creating them from an array within a while loop. …
- 81
2
votes
1
answer
438
views
Understanding OpenLayers? [closed]
I realized a project with OpenLayers 3 some time ago, but now I do not understand anything anymore.
I should install any packages?
npm install ol. But even that does not work. …
- 81
1
vote
2
answers
2k
views
Difference between ol.proj.getPointResolution() and ol.sphere.getDistance()
Is there anyone who can explain the difference between ol.proj.getPointResolution() and ol.sphere.getDistance()?
I have tested it, and ol.sphere.getDistance() is a little bit shorter than ol.proj.get …
- 81
0
votes
0
answers
860
views
Transform coordinates length to pixel length?
I need this function for cropping and scaling map images to be inserted as layers in an OpenLayers Map.
The map images are already adapted to an OSM map and therefore have an "extent" BBOX. …
- 81
0
votes
0
answers
182
views
Use of ratio in ImageWMS in OpenLayers
I am trying to understand the setting of ratio in ol.source.ImageWMS but I am not succeeding. I already understand the ratio: 1, as there is not much to understand there. ratio: 1 = browser viewbox. I …
- 81