0
votes
2answers
79 views

Returning string from OpenLayers.Format.WKT write? [closed]

How to return a string from OpenLayers.Format.WKT write this.innerHTML = new OpenLayers.Format.WKT().write( layer.selectedFeatures[0] ); my full code is like this please suggest me... ...
2
votes
1answer
385 views

Converting wkt to geojson with OpenLayers

I am trying to convert wkt to geojson wit OpenLayers. I wrote my code based on this question (geojson to wkt). That's what I have so far, but it is not working. Any ideas? var = ...
1
vote
1answer
361 views

Converting geojson to wkt with OpenLayers

I was just wondering if there was a good way to convert GeoJson data to WKT data using OpenLayers. The method I've tried is to create a Feature.Vector with the GeoJson and then tried using ...
2
votes
3answers
170 views

Openlayer is very slow when using WKT Multipolygon with a large number of Points

I'm showing the boundaries of cyprus regions using openlayers with vector layer, I get the coords from a shapefile which has a lot of points, for instance some regions can have a multipolygon with in ...
2
votes
3answers
181 views

How to change 0,360 WKT string to -180,180?

I'm reading POLYGON WKT strings using OpenLayers.Format.WKT().read(). The polygons use 0,360 longitudes but my map is -180,180. When I display the polygons on the map they are displayed outside of the ...
0
votes
1answer
225 views

OpenLayers - changing layer type (wms to OSM) and WKT transformation problems

I've created the very simple tool which utilizes OpenLayers.Format.WKT with DrawFeature - polygon and ModifyFeature together, so I can create and modify, load and save polygons in/from WKT format. ...
0
votes
1answer
705 views

OpenLayers create marker (feature with icon) from WKT

I have a point object WKT. Like this: POINT (25.04568 48.221548). Also I have an icon in my project folder. My goal is to show on a map an icon that represents a feature. Can it be just a normal ...
0
votes
0answers
25 views

How to convert EPSG:900913 or EPSG:4326 to EPSG:27700 using Proj4js (or to set displayProjection to EPSG:27700) [duplicate]

I'm using openlayers to create a vector feature (e.g. polygon, point) and i would like the geometry values of these vectors to be stored as EPSG:27700 coordinates (so when i send them off in WKT ...
0
votes
1answer
259 views

How to convert drawn vector feature from EPSG:900913 to EPSG:4326

My script allows you to drawn shapes on an openlayers map, and then to get the WKT information from that shape, except the returned coordinates are in 900913 and i need them to be in lat/lon. thanks
0
votes
1answer
956 views

OpenLayers: Showing WKT data via JSON from MVC

I am trying to read geographic data from MS SQL Server 2012 and display it using the JavaScript library OpenLayers in an MVC4 view. I can confirm that the data leaves MVC OK but I have problem is ...
6
votes
3answers
1k views

Determine if a polygon intersects itself in OpenLayers

I let the users draw polygons and then I try to save them out to the SQL Server 2008 SQLGeography field, but it is giving me an error: Error 24200: The specified input does not represent a valid ...