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I am looking for a way to visualize data from Postgres in Google Maps, but I have only figured out how to do this for Markers. I am using PHP to retrieve the data in JSON, which I then request from Google Maps, but I can only find examples for doing this with point data.

  var geocoderFunction = function () { 
        geocoder.geocode({ 'address': road[index] }, 
           function (results, status) {
              if (status == google.maps.GeocoderStatus.OK) {
                 new google.maps.Marker({
                    map: map, 
                    position: results[0].geometry.location
                 });
           }             
   }
  • 1
    Look at DataLayers. There are full code samples there for loading, styling and interacting with GeoJSON. – John Powell Oct 18 '14 at 8:47
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I don't understand your question very well.

If you are asking how to display a line with the Google Maps API i think that you should check the documentation about Polyline or check the code samples like this one.

  • Yes this is i want to make but i have a problem with cordinates i have in 4120 system and i try to convert in 4326 with this query 'ALTER TABLE my_table ALTER COLUMN geom TYPE geometry(Point,4326) USING ST_Transform(geom,4326);' but i take the cordinates as 4120 what i can make because the google maps use 4326 system. – vagelis Oct 18 '14 at 14:33
  • That's a different question. Check this answer gis.stackexchange.com/a/70668/4177 or open a new question. As mark this as resolved if it solves your first question – Francisco Puga Oct 18 '14 at 17:04
  • Yes Francisco is resolved how i can this question as resolved – vagelis Oct 18 '14 at 17:35
  • @vagelis click the check mark in my answer gis.stackexchange.com/help/someone-answers – Francisco Puga Oct 19 '14 at 14:21

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