LocationProvider

public interface LocationProvider

Interface to provide a location for a given element, as a PointD with longitude, latitude coordinates.

Method Summary

Modifier and Type	Method	Description
`PointD`	`getLonLat(java.lang.Object element)`	Returns the longitude, latitude for the element or null if this elements doesn't have a location.
`boolean`	`setLonLat(java.lang.Object element, double lon, double lat)`	Set the longitude, latitude for the element.

Method Details
- getLonLat
  
  PointD getLonLat(java.lang.Object element)
  
  Returns the longitude, latitude for the element or null if this elements doesn't have a location.
  
  Parameters:
  
  element - the element for which to return the corresponding geo-location
  
  Returns:
  
  the geo-location
- setLonLat
  
  boolean setLonLat(java.lang.Object element, double lon, double lat)
  
  Set the longitude, latitude for the element. Returns true if the change occurred, i.e. the operation was legal. Use setLonLat(element, getLonLat(element).x, getLonLat(element).y) to check without side-effect.
  
  Parameters:
  
  element - the element for which to set the geo-location
  
  lon - the new longitude
  
  lat - the new latitude
  
  Returns:
  
  true if the geo-location could be set, or false, if the location is read-only