public void Load(PersistentSettings settings)
{
writeSerialized = settings.GetBool("WriteSerialized", true);
rendererDirectory = settings.GetString("RendererDirectory", "");
xres = settings.GetInteger("XResolution", 1024);
yres = settings.GetInteger("YResolution", 768);
pathLength = settings.GetInteger("PathLength", 3);
samplesPerPixel = settings.GetInteger("SamplesPerPixel", 4);
integrator = (Integrator)settings.GetInteger("Integrator",
(int)Integrator.EDirectIllumination);
}