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Questions tagged [gwt-openlayers]

GWT-OpenLayers is a Java wrapper for the OpenLayers JavaScript API. It allows GWT projects to use the OpenLayers JavaScript API.

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How to convert Coorinates of VectorFeatures or Layer in OpenLayers from one projection to another?

I'm using GWT-OpenLayers in my project and i have problems with converting coordinates. I know how to do this for single point transform(from,to) but can i do this without applyinng for each point? Right now i'm parsing KLM data to get list of…
user902383
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Get a feature info on map click in openlayers3 javascript

i am trying to get feature information on map click using openlayers 3 javascript with the help of the example popupinfo var mmi = new ol.layer.Tile({ source: new ol.source.OSM() }); var one = new ol.layer.Image({ …
vaibhav Dhiman
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Is it possible to use Mapbox as background Layer with GWT-OpenLayers?

Is it possible to use Mapbox as background Layer with GWT-OpenLayers? ( http://www.gwt-openlayers.org/ ) ? If yes, is there some code somewhere ? Thanks in advance
user1176726
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openlayers polygon displays difference not union

In OpenLayers, I create a polygon consisting of two LinearRing objects, using code of the form (this is in Java+GWT, but the same principle applies to JS): List linearRingList = new ArrayList(); List points1 = new…
bevis
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Customized Time Picker

How can I create my own Time picker in my GWT RPC application. I have used a standard time picker from traccar.But it has used a drop down time field which has time interval of 30 mins.I want it for 1 min time interval. What are the changes I have…
Satyendra Nath Samaddar
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openlayers image layer stretch with no blur effect

I use an Image Layer to draw some data at specific locations on my web application using gwt-openlayers. Assume the original image is 400x400 pixels. Whem I zoom in the map, the image is stretched. The problem is that the stretch effect is 'blurry'.…
Magallo
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How add WMS layers with gwt-openlayers?

I'm trying to add WMS layer from remote ArcGIS server to my GWT web app. I'm using gwt-openlayers library. My code: MapOptions defaultMapOptions = new MapOptions(); mapWidget = new MapWidget("100%", "100%", defaultMapOptions); Map…
user2104560
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Two Vector Features on the same place: transparency problems - openlayers

My goal is to have an icon on the map and be able to change it's background programmatically. I have: - A vector layer with externalImages as markers (images are partly-transparent) - A vector layer with colored squares of the same size as "markers"…
WinnieRazor
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How to transform a GWT OpenLayers VectorFeature?

I am using OpenLayers GWT. I want to put an GeoJSON shape on top of a Google Maps layer. I have done as follows: String gson = "{here I put a valid GeoJSON string}"; GeoJSON geoJSON = new GeoJSON(); VectorFeature[] vf =…
Dawied
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Error using GWT openlayers MapWidget

Im trying to create a website with a map using GAE and the GWT openlayers library. Im trying to implement it by using a MapWidget in the SiteNameWidget.ui.xml file, but i get the error below. I've managed to get it working by using the…
Drublic
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Angular open layer toggle issue

I am using open layer map toggle for open and close but when I was opening the toggle with in macro seconds it is coming to normal position. I want it to stay there un till we click on close I have debugged and find that it happening with…
venu dev
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Is there a way so that I can keep the square but resize it in openlayers?

I got four different coordinates that is making a square in the openlayers map. But I want to know if it is possible that instead of breaking the square shape, is it possible to just grab one of the corners and resize (make bigger/smaller) the…
Ben Collins
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How to change tileSize in XYZ (tileLayer) from default([256,256]) to something else for openlayers?

I am trying to change the tile size for my TileLayer in openlayers and I have not been able to change it. No matter what I set the tileSize to be it is always [256,256]. Also, The files I am getting from local_url is 1900x1268. Below is the…
Ashim
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How to export a gwt-openlayers map as an image

We have gwt webapplication, showing map, implemented with gwt-openlayers. I would like to implement a function to export the current map as an image (for example png). I'm aware of this example from openlayers, but I struggle getting it done with…
EricN
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Latitude and longitude change dynamically in OpenLayers

I am trying to point my address on a map in OpenLayers by using the code below : var rome = new ol.Feature({ geometry: new ol.geom.Point(ol.proj.fromLonLat([12.5, 41.9])) }); rome.setStyle(new ol.style.Style({ image: new ol.style.Icon(/**…
v. josh
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