title: Render google map in wordpress, based on address custom field
body: <p>I have a wordpress site with a large number of pages, each page represent a physical location. Now for each page I would like to display a google map based on the address. I know I can do this by installing for instance the Geo Mashup plugin <a href="http://wordpress.org/extend/plugins/geo-mashup/" rel="nofollow noreferrer">http://wordpress.org/extend/plugins/geo-mashup/</a> but that requires (I believe) that I manually, for every post, create a location based on the address and add a shortcode to the post/page that results in a google map. This is a LOT of work for this site with hundreds of locations.</p>
  
  <p>I would like to be able to </p>
  
  <blockquote>
    <p>A: Create an "address-custom-field"
    for each post programmatically.<br/> 
    B: In
    a page template use that custom field
    to render a google map.</p>
  </blockquote>
  
  <p>A is easy, but B?</p>