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How to Dynamically Resize a Google Map in Your Web Application?

Susan Sarandon
Release: 2024-11-06 07:33:02
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How to Dynamically Resize a Google Map in Your Web Application?

Resizing Google Maps Dynamically

In a web application, you may encounter situations where you need to resize a Google Map after it has been loaded. Resizing the map container div is typically insufficient, as it can lead to distorted tiles disappearing near the edges.

Solution for Google Maps v3

To properly resize a Google Map in version 3, you need to explicitly trigger the "resize" event:

google.maps.event.trigger(map, "resize");
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This approach ensures that Google Maps adjusts its internal calculations and updates the map display to match the new dimensions of the container div.

Example Using jQuery

The following JavaScript code demonstrates how to resize a Google Map using the "resize" event trigger:

$(function() {
  var mapOptions = {
    zoom: 8,
    center: new google.maps.LatLng(-34.397, 150.644)
  };
  var map = new google.maps.Map($("#map-canvas")[0], mapOptions);

  // Listen for window resize events and trigger map resizing
  $(window).resize(function() {
    google.maps.event.trigger(map, "resize");
  });
});
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In this example, the map is created and its resizing behavior is handled using jQuery event handling. When the window size changes, the "resize" event is triggered on the map, forcing it to adjust its display.

By triggering the "resize" event, you can ensure that Google Maps adapts to the new size of the container div and provides a seamless user experience, regardless of changes in the window or container dimensions.

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