ru.dgis.sdk.map.Projection | Android SDK | 2GIS Documentation
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Projection

Projection.

Uses the Mercator spherical projection (EPSG:3857), looped in longitude. Displayed data is limited in latitude from -85.06° to 85.06°.

Extends: ru.dgis.sdk.NativeObject
Methods
fun screenToMap(point: ScreenPoint): GeoPoint?

Calculates a map point at the specified screen point.

The function returns an empty value if the specified screen point is outside the map projection.

Parameters
point
Returns
fun mapToScreen(point: GeoPoint): ScreenPoint?

Calculating the screen point corresponding to the specified map point.

The function returns an empty value:

  • if the point has an invalid value (latitude is outside the range -90;90 or longitude is outside the range -180;180).
  • if the specified map point is above the projection plane of the map on the screen.
  • if the specified map point is too far beyond the screen and the type overflow occurs.

Parameters
point
Returns
fun mapToScreen(point: GeoPointWithElevation): ScreenPoint?

Calculating the screen point corresponding to the specified map point.

The function returns an empty value:

  • if the point has an invalid value (latitude is outside the range -90;90 or longitude is outside the range -180;180).
  • if the specified map point is above the projection plane of the map on the screen.
  • if the specified map point is too far beyond the screen and the type overflow occurs.

Parameters
point
Returns