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For OpenLayers 2 try map.getCenter() http://dev.openlayers.org/releases/OpenLayers-2.13.1/doc/apidocs/files/OpenLayers/Map-js.html#OpenLayers.Map.getCenter Or OpenLayers 3 use map.getView().getCenter() http://openlayers.org/en/v3.5.0/apidoc/ol.Map.html#getView http://openlayers.org/en/v3.5.0/apidoc/ol.View.html#getCenter


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The item_queue_id corresponds to the ID of the import process, but not to your table. This was incorrectly said in the documentation and we have just fixed it. If you want to update a table that you have previously uploaded then you need to use the SQL API, or build a Sync table from the import API too (this requires that your account is able to create them ...


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Check out The Google Time Zone API. It provides timezone info based on lat/lon. https://developers.google.com/maps/documentation/timezone/


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Another source for google may be Zonum. Here you can generate points with elevation data and then generate interpolated surface. For USA you may try National Map Viewer If you want to develop google api app yourself just modify the following file with your Google Map Api Key see image -- and save the file as html and open in browser that's all. ...


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The Google Elevation API is not accurate enough at a Building level. You can test it out by using going to http://www.daftlogic.com/sandbox-google-maps-find-altitude.htm Just search for 1 World Trade Center, New York, NY 10007 and then click around, and you'll see that the heights that you get aren't really for the top of a building


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Alternatively, a DEM with global coverage that might suit you is the SRTM 1 second DEM. This was recently released and has a resolution of about 30 metres. Read about it at http://www2.jpl.nasa.gov/srtm/ and download load it (free) at http://earthexplorer.usgs.gov/.


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The MapTiler is tool for creating the map tiles for bing, google maps, leaflet or openlayers. To process the CAD files you may need to save it first as a PDF. If geographic coordinates are used in the CAD then export to GeoPDF. Alternatively you could export the data from the CAD software as an image such as TIFF/GeoTIFF or JPEG. MapTiler will open such ...



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