Gets the time dimension of the requested WMS map.
- Returns:
- Returns a System::String indicating the time dimension of the requested WMS image.
If a WMS map has a Time dimension defined, then requests may include the parameter TIME=value. For the TIME parameter, the special keyword 'current' may be used if the WMS Dimension:Name="time" service metadata element includes a nonzero value for the 'current' attribute. The expression "TIME=current" means send the most current data available. The expression "TIME=start_time/current" means send data from start_time up to the most current data available.