RC2+RC3 fixes

Visualis Electromagnetism

An interactive educational software for physics, offering 3D views of electric / magnetic fields and particle trajectories.

fix not supported setDPIAware() call for Win XP fix OpenGL anti-aliasing error on some ATI/AMD drivers improve graph rendering with anti-aliasing use BCC_FastFloatingPoint fix default window position fix 'help not found' issue fix simulation enabled state on reload scene