Exactly. For example a path tracer takes multiple samples between 0,0 and 1,1 to create anti-aliasing. But what I also miss from the article: shouldn't the ran

Exactly. For example a path tracer takes multiple samples between 0,0 and 1,1 to create anti-aliasing. But what I also miss from the article: shouldn't the range of a pixel be -0.5,-0.5 to 0.5,0.5? If you translate a pixel, to for example a LED on a screen, it makes more sense that it's location is the center of the LED.