Major developments in osgEarth 1.2
- Data management:
- Automatic reprojection of source data
- New Map/MapLayer? data model
- Add and remove sources at runtime
- Updates and fixes to the WMS, WCS, and GDAL drivers
- Optional caching of reprojected data for better performance
- New DirectReadTileSource for directly querying data tiles without a scene graph
- Better support for Spherical Mercator datasets
- Better Plate Carree support (x=long, y=lat maps)
- Performance
- Support for new FileLocationCallback available in OSG 2.9.X to support faster loading of fully cached areas
- Added WIN32_USE_MP option to enable multithreaded builds in Visual Studio
- Rendering:
- Automatically cross-fade layers with the new ElevationFadeCallback utility
- New "cube" terrain tessellation method improves image accuracy in polar regions (experimental)
- Extras (new osgEarthUtil library)
- Fully programmable camera manipulator (EarthManipulator) designed specifically for geospatial visualization
- New ObjectPlacer utility for placing objects on the terrain using latitude/longitude coordinates
- FadeLayerNode class for adjusting layer transparency at run-time
