Use the cordinates (Latitude and Longitude) instead of the address to position the markers over the Maps

maps-coordinates.php

<?php
/**
 * Use the cordinates (Latitude and Longitude) instead of the address to position the markers over the Maps
 * Replace 'MY_LATITUDE_FIELD_ID' and 'MY_LONGITUDE_FIELD_ID' by the form field ids containing the latitude and longitude
 * @param array $fields Gravity Forms fields IDs containing the latitude and longitude 
 * @param GravityView_View object $view Current View object
 */
function my_gv_maps_lat_long_fields( $fields, $view ) {
    return array( 'MY_LATITUDE_FIELD_ID', 'MY_LONGITUDE_FIELD_ID' );
}
add_filter( 'gravityview/maps/markers/lat_long/fields_id', 'my_gv_maps_lat_long_fields', 10, 2 );