p120fig03.44 The Rouen cathedral at sunset generates very different boundary webs than it does in full sunlight, as illustrated by <A HREF="images- Grossberg 2021/p121fig03.45 Rouen Cathedral full sunlight (Monet 1892-1894): non-uniform lighting, more detail and depth.png">Figure 3.45</a>.<BR>|| <I>Rouen Cathedral at sunset</i> (Monet 1892-1894). <UL><LI>Lighting almost equiluminant<LI>Most boundaries are thus caused by color differences, not luminance differences<LI>Fine architectural details are obscured, leading to...<LI>Coarser and more uniform boundary webs, so...<LI>Less depth in the painting.</ul>