Texture Gradient, Overlap, and Aerial Perspective Monocular cues are used to judge the distance of objects in a photograph. The poppies in the foreground are crisp, but the mass of lavender flowers becomes increasingly fuzzy in the background, an example of texture gradient. Similarly, the hills and sky at the top of the image are just blurs of color, creating an impression of even greater distance through aerial perspective. And, the orange-red poppies are perceived as being closer than the lavender flowers that they overlap.

M. A. Otsoa de Alda /age fotostock