Pictures of surface characteristics of different objects

Figure 1: Still Life with Silver Cup of Wine Glass (oil painting) 1660 Klitz (Netherlands) The smooth objects in the main body are painted smoothly, and the highlights well show the texture of the silver cup of wine glass.

Figure 1

Fig. 2: Jie (photo advertisement) This photo of modern Hu Liming shows the surface characteristics of several objects well: the hardness of the metal surface of the faucet, the fullness of the tomato skin, and the fineness of the water drop surface.

Figure ii

Figure 3: Hardness and roughness of brick wood are represented by rough and wobbly lines, in which short lines and points are used to describe cracks and brick surfaces, and wood is combined with long lines and short lines to describe natural wood grain.

Figure 3

Surface features: smooth: represented by highlights and straight lines along the object structure. Soft category (glass, apples, etc.). (animal fur, sweaters, etc.). ) Use loose and orderly lines.

Rough class: stands for (wood, strawberry, etc.). ) with obvious dots and wavy lines.

Spine: represented by thin and pointed lines. Hedgehog, cactus, etc. )