Depending on the scene being rendered, one can use Raytrace with true shadows, Path tracing with or without direct illumination and Photon mapping.
It provide the user with 4 different rendering mode. You can virtually create rendered images of any size. It does not need any editing by other graphic software (such as Photoshop) to produce photorealistic renders. Raylectron is an easy, fast and powerful Sketchup render and animation plugin.