ACF Map Markers by Taxonomy

		<style type="text/css">

.acf-map {
	width: 100%;
	height: 400px;
	border: #ccc solid 1px;
	margin: 20px 0;
}

/* fixes potential theme css conflict */
.acf-map img {
   max-width: inherit !important;
}


</style>
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCVzlbXQizbTjHudN0xxqaUr7WWJu-o5cI"></script>
<script type="text/javascript">
(function($) {

/*
*  new_map
*
*  This function will render a Google Map onto the selected jQuery element
*
*  @type	function
*  @date	8/11/2013
*  @since	4.3.0
*
*  @param	$el (jQuery element)
*  @return	n/a
*/

function new_map( $el ) {

	// var
	var $markers = $el.find('.marker');


	// vars
	var args = {
		zoom		: 16,
		center		: new google.maps.LatLng(0, 0),
		mapTypeId	: google.maps.MapTypeId.ROADMAP
	};


	// create map
	var map = new google.maps.Map( $el[0], args);


	// add a markers reference
	map.markers = [];


	// add markers
	$markers.each(function(){

    	add_marker( $(this), map );

	});


	// center map
	center_map( map );


	// return
	return map;

}

/*
*  add_marker
*
*  This function will add a marker to the selected Google Map
*
*  @type	function
*  @date	8/11/2013
*  @since	4.3.0
*
*  @param	$marker (jQuery element)
*  @param	map (Google Map object)
*  @return	n/a
*/

function add_marker( $marker, map ) {

	// var
	var latlng = new google.maps.LatLng( $marker.attr('data-lat'), $marker.attr('data-lng') );

	// create marker
	var marker = new google.maps.Marker({
		position	: latlng,
		map			: map
	});

	// add to array
	map.markers.push( marker );

	// if marker contains HTML, add it to an infoWindow
	if( $marker.html() )
	{
		// create info window
		var infowindow = new google.maps.InfoWindow({
			content		: $marker.html()
		});

		// show info window when marker is clicked
		google.maps.event.addListener(marker, 'click', function() {

			infowindow.open( map, marker );


		});

					// close info window when map is clicked
	google.maps.event.addListener(map, 'click', function(event) {
		if (infowindow) {
			infowindow.close(); }
		});

	}

}

/*
*  center_map
*
*  This function will center the map, showing all markers attached to this map
*
*  @type	function
*  @date	8/11/2013
*  @since	4.3.0
*
*  @param	map (Google Map object)
*  @return	n/a
*/

function center_map( map ) {

	// vars
	var bounds = new google.maps.LatLngBounds();

	// loop through all markers and create bounds
	$.each( map.markers, function( i, marker ){

		var latlng = new google.maps.LatLng( marker.position.lat(), marker.position.lng() );

		bounds.extend( latlng );

	});

	// only 1 marker?
	if( map.markers.length == 1 )
	{
		// set center of map
	    map.setCenter( bounds.getCenter() );
	    map.setZoom( 16 );
	}
	else
	{
		// fit to bounds
		map.fitBounds( bounds );
	}

}

/*
*  document ready
*
*  This function will render each map when the document is ready (page has loaded)
*
*  @type	function
*  @date	8/11/2013
*  @since	5.0.0
*
*  @param	n/a
*  @return	n/a
*/
// global var
var map = null;

$(document).ready(function(){

	$('.acf-map').each(function(){

		// create map
		map = new_map( $(this) );

	});

});

})(jQuery);
</script>

					<?php
					$category = get_query_var( 'map_areas' );
					$mapposts = new WP_Query( array(
						'post_status' => 'publish',
						'post_type' => 'trees',
						'tax_query' => array(
							array(
								'taxonomy' => 'map_areas',
								'field' => 'slug',
								'terms' => "$category"
								)
							),
										'posts_per_page'  => -1, //sets to unlimited to pull all posts
									) );
			?>

		<div class="acf-map">

			<?php while ( $mapposts->have_posts() ) : $mapposts->the_post(); ?>
			<?php
					$location = get_field('map_tree_location');
					$gtemp = explode (',',  implode($location));
					$coord = explode (',', implode($gtemp));
			?>

				<div class="marker" data-lat="<?php echo $location[lat]; ?>" data-lng="<?php echo $location[lng]; ?>">
					<a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><h1 class="entry-title"><?php the_title(); ?></h1></a>

						<?php if( get_field('date_planting_cambridge') ): ?>
						<h3 class="planting-date">Date of Planting in Cambridge</h3>
						<?php the_field('date_planting_cambridge'); ?>
					<?php endif; ?>

						<?php if( get_field('variety_name') ): ?>

						<?php
						$terms = get_the_terms( get_the_ID(), 'variety');
						if( !empty($terms) ) {
							$term = array_pop($terms);
							$custom_field = get_field('variety_name', $term );
						}
						?>
						<h3 class="variety">Variety Name</h3>
							<?php echo $term->name; ?>
					<?php endif; ?>

					<?php if( get_field('apple_type') ): ?>
						<?php

						$field = get_field_object('apple_type');
						$value = get_field('apple_type');
						$label = $field['choices'][ $value ];

						?>
						<h3 class="apple">Apple Type</h3>
						<?php echo $label; ?>
					<?php endif; ?>

<p><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>">View full details for this tree &rarr;</a></p>

				</div>

			<?php endwhile; ?>

		</div><!-- .acf-map -->

			<?php wp_reset_query();  // Restore global post data stomped by the_post(). ?>