Tagged Questions
1
vote
1answer
53 views
Display list of OpenLayers Features which are currently visible on screen
I have an OpenLayers map a few thousand Points of Interest. These POIs are Vector Features rendered in a Vector Layer.
We are loading the POIs once in order to minimize load on the server.
Next to ...
1
vote
2answers
437 views
Openlayers remove previously drawn polygon on starting to draw next one
Objective:
At any point of time there SHOULD only be zero/one polygon(s) on a vector layer with a polygon control. I need the previous polygon to be removed as soon as user starts drawing the first ...
1
vote
1answer
56 views
How to abort a layer event in Openlayers
I have a problem ( How to stop features to redraw unwillingly in OpenLayers ) that might be solved by aborting the beforefeatureremoved or beforefeaturesremoved event.
What I would like to to is to ...
2
votes
1answer
57 views
How to stop features to redraw unwillingly in OpenLayers
I have a problem where when editing features from a wfs vector layer. After some changes are made to the geometry, the feature redraws itself and the changes are lost.
Usually the problem occurs more ...
0
votes
0answers
76 views
OpenLayers move each vector feature of layer by constant pixels away from center
I am stuffing a lot of features, each from a different layer, onto exactly the same point, so the visual result is somewhat confusing and it is necessary that some graphics have some offset of ...
7
votes
2answers
152 views
How to remove long linear strips from polygons?
I have a polygon layer representing impervious land cover. This was taken from a land cover raster dataset. The impervious data represents all impervious surface that is not buildings or roads. I ...
5
votes
3answers
300 views
How to update feature positions with clustering in OpenLayers?
I have an OpenLayers 2.12 map with a vector layer with a cluster strategy. All the static behavior is how I want it. Now I'd like to add the possibility to update the features' position. I do this ...
1
vote
1answer
84 views
Are There Any OpenSource GIS Software Programs With an “Interactive” Rotate Feature Option?
![Rotate feature option][1]Sorry if the question is too simple, but are there any open source GIS software programs available with an interactive "Rotate vector feature" option?
Eg : ArcGIS has it ...
1
vote
1answer
319 views
openlayers trigger hover event
I have a bunch of tracks on screen in a vector layer. I used some hover and select styles in the layer styleMap and these styles are properly triggered by:
var highlightCtrl = new ...
2
votes
2answers
238 views
How OpenStreetMap data layer works?
OSM map has a data layer and an information panel. How is it implemented? What is a type of the layer and URL of vector data source? How information panel works?
Thanks for all!
2
votes
2answers
1k views
How to query which features of all vector layers intersect with a given bounds?
I am writing a Openlayers map app, and wondering whether there's a better practice to query which features of which vector layers intersect with a given bounds..
It's certainly not a good idea to ...
2
votes
0answers
910 views
How to deactive Vector Selection In OpenLayers wms features
This is my sample code and work fine :), But I have a little problem,
I'm using multiple layer (WMS), when I zooming the layer will be shown or hidden.
In my example bellow when OpenLayers level zoom ...
3
votes
1answer
2k views
Relabel Vector Points in OpenLayers
I have created two labeled vector points on an open layers map. I'm trying to change the label text dynamically. I tried changing the values where the stylemap gets the values from and calling ...
4
votes
3answers
7k views
Hover/Popup feature problem
im really having an issue here.
I am trying to realise a map where i can hover over the features and they get highlighted (works), then i want to be able to click them (works) , i also want a div to ...
