Surface pressure map tutorial
This page contains basic tutorials showing how the surface pressure map overlay data feeds can be used to retrieve data.
Please refer to the detailed documentation for the surface pressure forecast layer data feeds for more detailed information.
The surface pressure forecast layer data feeds provide access to forecast layers for various points in the future, covering the UK and surrounding area, as png images.
You would like to retrieve a forecast surface pressure layer for a particular timestep
Via the web services
- Call the forecast layer web service to check whether the data has been updated since it was last requested and to check which timesteps are available
- If so, build the url corresponding to the timestep for which you would like a forecast by taking the content of the BaseUrl element in the data returned by the forecast layer capabilities web service and replacing the elements enclosed within curly brackets as described in the detailed documentation .
- Call the metoffice.layers.forecast.getCapabilities method to check whether the data has been updated since it was last requested and to check which timesteps are available
- If so, retrieve the url corresponding to the surface pressure forecast layer for the time you are interested in
Last Updated: 25 June 2013