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How to links geolocations on posts and show on a map WordPress


I have a bunch of posts, each with a geographic location.

I'd like to allow them to link to each other, eg

A -> B
A -> C
A -> D
E -> A
F -> A

and then draw a google map with the connections, colour coded to indicate the direction of the relationship.

Is that possible? How?

Answers (3)


Hariprasad Vijayan answers:

Can you please explain what is A,B,C...?

Hariprasad Vijayan comments:

Need bit more clarification about your requirement. We can generate Google map from geo location that stored in a post. Did't get the idea about the relation of post.

eddowding comments:

A, B, C.. are all other posts.

The goal is to make a simpler version of the map at

Hariprasad Vijayan comments:

How you are keeping geographic locations in a post?

Hariprasad Vijayan comments:

And also please tell how to relate posts

eddowding comments:

I'm flexible - we can do it however.

Hariprasad Vijayan comments:

Okay. You can keep latitude and longitude in custom fields of posts and can call it like following

<script src=""></script>
<script type="text/javascript" src=""></script>
function initialize() {
var myLatLng = new google.maps.LatLng(0, -180);
var mapOptions = {
zoom: 3,
center: myLatLng,
mapTypeId: google.maps.MapTypeId.TERRAIN

var map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);

var flightPlanCoordinates = [
$location_query = new WP_Query( array(
'posts_per_page' => -1
) );

while ( $location_query->have_posts() ) {
new google.maps.LatLng(<?php echo get_post_meta( get_the_ID(), 'latitude', true ); ?>, <?php echo get_post_meta( get_the_ID(), 'longitude', true ); ?>),
var flightPath = new google.maps.Polyline({
path: flightPlanCoordinates,
strokeColor: '#FF0000',
strokeOpacity: 1.0,
strokeWeight: 2


google.maps.event.addDomListener(window, 'load', initialize);

<div id="container">
<div id="content">
<div id="map-canvas"></div>
</div><!-- #content -->
</div><!-- #container -->

Check the url It describes how to draw lines between two points.
Please ask if you have any doubt in this.

eddowding comments:

Would that iterate through all connected posts?

eddowding comments:

ah sorry to be clear:

PostA is related to postB and PostC.

All three posts have lat/long.

So we'd need to set up direct relationships between A and B and A and C, and THEN plot the map. Sorry this is getting more complicated..

Hariprasad Vijayan comments:

Okay... Can you please tell me how the posts are related with each other?

eddowding comments:

I'm not entirely sure yet.. I was thinking there'd be a plugin to relate posts to each other?


Arnav Joy answers:

please explain some more points , as Hari said your question is needs more clarification .


Sabby Sam answers:

Yes, it is possible, But budget is very low.