Integrating Open layers and Geocoder in Drupal
Required Modules: - Openlayers : http://drupal.org/project/openlayers
 - Openlayers geocoder : http://drupal.org/project/openlayers_geocoder
 - Views : http://drupal.org/project/views
 
- Enable all the required modules
 - Add a content type eg : ‘Geo Map’
 - Create a field on the Content type by clicking on ‘Managing Fields
 - Select the ‘ Openlayers WKT’ as your type data to store.
 - and ‘Openlayers Geocoder’ Form element type.
 - Save the content type
 
- Create a View : admin/build/views/
 - Add a ‘Openlayers Data’ display type
 - Add fields :
 - Node:title
 - Node:teaser
 - Content : OpenLayers WKT
 - in this field select label ‘none’
 - and Format ‘WKT value’
 - Filter it by:
 - Node type : Geo Map
 - Node published: Yes
 - Save the view
 - View screenshot http://i709.photobucket.com/albums/ww94/ashkarrahman/Openlayers/figure05.jpg
 
- Now lets create preset
 - Go to admin/build/openlayers/presets/
 - Clone one of the existing preset ‘eg : Default’
 - Rename the fields as you want
 - and save the preset
 - Now you should find your newly created preset in the admin/build/openlayers/presets/ list.
 - Click edit on your preset
 - Click the ‘Layers &; Styles’ tab
 - Select ‘Map Projection’ 900913
 - Display Projection: 4326
 - Base layers : Google Maps Normal [Enabled and Default]
 - Overlay layers : Enable and Activiate the ‘view’ you created/
 - View Screenshot http://i709.photobucket.com/albums/ww94/ashkarrahman/Openlayers/figure02.jpg
 - Beahviours is the tab where you can enable popus for the points you add
 - The ‘General Information’ tab contains the info about your preset
 - The map ‘width’ and ‘height’ could be Adjusted here
 - The ‘Center & Bounds’ tab shows where the map will center itself initially.
 - Save your preset
 
Re-check
 whether you have selected the correct map preset in 
/admin/build/openlayers - Openlayers Default Preset, and Click ‘Save 
Configurations’.
- Now go back to our created ‘View’
 - Add a ‘Page’ display
 - In Basic settings
 - Change the style options into ‘OpenLayers Map’
 - and click ‘override’ and then ‘update’
 - Click the gear icon next to ‘OpenLayers Map’ in styles (Basic settings) and select the Map preset you Created above.
 - Override and Update
 - Give a path in the ‘Page settings’ below ‘Basic settings’ block eg:map
 - Save your ‘View’
 - View Screenshot http://i709.photobucket.com/albums/ww94/ashkarrahman/Openlayers/figure04.jpg
 
- We are almost done with our configurations
 
- Next lets create a ‘Content’
 - The content type is supposed to be the content type you created above.
 - And you’ll see your map appearing
 - select a location in the map
 - or type location in the ‘Search address’ autocomplete field
 - and click Save.
 
- Voila !!!!!
 - To view all the locations in one map, go to the path you added in the view eg: http://sitename/path-in-view
 - Enjoy and have fun...
 - See you in Part2 of the same chapter ‘Adding Custom Multiple Markers’
 
Demo