A projection is used to translate between on screen location and geographic coordinates on
the surface of the Earth (LatLng
). Screen
location is in screen pixels (not display pixels) with respect to the top left corner of the
map (and not necessarily of the whole screen).
Public Method Summary
LatLng |
fromScreenLocation(Point point)
Returns the geographic location that corresponds to a screen location.
|
VisibleRegion |
getVisibleRegion()
Gets a projection of the viewing frustum for converting between screen
coordinates and geo-latitude/longitude coordinates.
|
Point |
toScreenLocation(LatLng
location)
Returns a screen location that corresponds to a geographical coordinate
(
LatLng ).
|
Inherited Method Summary
Public Methods
public LatLng fromScreenLocation (Point point)
Returns the geographic location that corresponds to a screen location. The screen location is specified in screen pixels (not display pixels) relative to the top left of the map (not the top left of the whole screen).
Parameters
point | A Point on
the screen in screen pixels. Must not be null . |
---|
Returns
- The
LatLng
corresponding to thepoint
on the screen, ornull
if the ray through the given screen point does not intersect the ground plane (this might be the case if the map is heavily tilted).
public VisibleRegion getVisibleRegion ()
Gets a projection of the viewing frustum for converting between screen coordinates and geo-latitude/longitude coordinates.
Returns
- The projection of the viewing frustum in its current state.
public Point toScreenLocation (LatLng location)
Returns a screen location that corresponds to a geographical coordinate
(LatLng
).
The screen location is in screen pixels (not display pixels) relative to the top left
of the map (not of the whole screen).
Parameters
location | A LatLng
on the map to convert to a screen location. Must not be null . |
---|
Returns
- A
Point
representing the screen location in screen pixels.