How to deal with glass products when painting gouache still life?

admin 2022-08-05 11:48:4803 Comments
①First of all, let's talk about the texture of glass products. The glass is basically transparent, and a small part may be a little gray, which also determines that it will not be a heavy color in the picture, so Generally speaking, the glass products that appear in the exam are mainly goblets or small water cups like the one in the picture below. The function is to check the students' grasp of the texture, and they are usually placed in the last position in the picture. Just bring a few pens,Glass product    .

②Although there will be no particularly difficult glass products in the exam, as a focus of the investigation, we still have to master the painting method of glass products. Since they are basically transparent, when painting, the lining or background behind the glass products is usually painted first, then use a brighter gray to outline the shape, and finally outline it with heavy colors and highlights, basically That's it. Note that glass products are also greatly affected by the environment, and sometimes there will be reflections and ambient colors.

   ③In the painting method, we can use the stacking method, which is one of the most common expression methods. The edges of the glassware are relaxed and orderly, the background color can make a layer of bright gray, and the color of the backing cloth should be revealed. The repeated color stacking makes the shape and color thick and neat, which belongs to the stacking method of multiple layers of colors.

④Secondly, we can loosely outline the shape of the object by controlling the moisture and the surrounding colors of the object, and then sweep out the transparent texture of the object with a dry brush. Be sure to relax, the changes of the edge line should be rich, and the shape of the object should be summarized and summarized in combination with the surrounding objects and the interlining to make it vivid and vivid.

  ⑤The changing law of light and shade of the glass is quite special. Generally, the middle is more transparent, and the brightness on both sides is low. Secondly, its own texture is transparent, so it can be displayed together with the background. The edge of the glass is generally darker in color, so pay attention to the edge when expressing. From the front to the back, the perspective changes gradually from solid to virtual. At the same time, pay attention to the refraction of the liquid in the glass and the performance of light gathering.

  ①First of all, a transparent glass is easier to draw. The main points of knowledge are: the shape of the cup should be well grasped, especially the perspective circle of the cup mouth and the bottom of the cup. Generally, the perspective of the cup mouth should be better than the perspective of the cup. The perspective of the bottom of the cup is large, and the perspective arc of the bottom of the cup is also larger; the second is that the inherent color of the cup itself is greatly affected by the environment. When painting, it should be adjusted according to the picture. If the cup is placed behind the picture, it should be Lower the purity, and the highlights don't need to be too bright. Putting it in the front makes the whole thing brighter.

②The whole cup in the picture below is obviously orange-red, which is adjusted subjectively, and it will not feel awkward when you look at it. At the same time, there is a stainless steel spoon and half of the water in the cup. Note that if there is a still life placed in the water, there will be a little misalignment in the place where it comes in contact with the water. This is a very small detail, and you should pay attention to it when painting. Secondly, when a still life made of stainless steel is placed in water, the inherent color will be significantly heavier. At the same time, pay attention to the light and dark changes of the water surface. The color of the spoon in the water is heavy, the color of the front of the water surface is bright, and the back is slightly gray. As a result, the feeling of the water surface is very strong.

③ When outlining the shape of the goblet, pay attention to its graceful shape and coordinated length and height ratio. Pay attention to the perspective of the bottle mouth and the liquid in the cup. Considering the color of the surrounding environment, make the transparent texture of the cup and the thickness and highlight of the rim. Pay attention to the changes of light and backlight, as well as the color of reflection, do not mess or spend. The glass with a handle on the right is similar in drawing to the one above. It should be noted that the perspective relationship of the handle and the accuracy of the shape are sufficient.

④ The teapot below is a more representative still life, and there are many still lifes composed of glass + rubber or other materials, and the painting methods are relatively similar. The first thing to pay attention to is the distinction of texture. Glass will have strong highlights and reflections, but rubber will not. Make full use of these characteristics to paint, so that different textures on a still life can be fully expressed, then the picture will look like Very layered.

  ⑤ We should pay attention to the texture of the glassware itself, with high transparency, strong reflection and delicate material. The presentation of the liquid in the cup should be simple and general. It should be integrated into the environment of the whole picture, and at the same time pay attention to the grasp of perspective. After these points are in place, basically the glassware is also mastered. Generally, the glass in the picture is used as a foil, so the contrast can not be drawn too strongly. If it is a large glass, the contrast can be strengthened, and of course It depends on the needs of the screen.

⑥Transparent vases are relatively rare, and they have several characteristics. First, there is generally water in the bottle; second, there will be flower branches interspersed in it; third, its shape is relatively uniform , that is, a narrow mouth, a wide body such as the main shape. If a particularly bright and transparent glass vase like the one in the picture below is more floating on the table alone, at this time, the color of the lining can be heavier, so that the projected color of the vase is heavier, then the sense of weight of this vase is also will be stronger.

  ⑦ In terms of texture, it is actually similar to the processing method of glass. The most important thing is the processing of the edge and the processing of its own inherent color. In general, there will be no heavy-colored subject in such a combination, so we can press down the heavy color of the leaves, and use some gray to blur the edges, so that the center of the picture will be more stable.

① Glassware is transparent, so its inherent color, reflection, and highlights will be very strong, so it must be accurate when painting.

②The brushstroke should follow the shape. Where there is a radian, and where it is relatively square, it can be expressed with brushstrokes.

③The glass must be hard. Even if the edge is curved, the overall shape is very crisp and neat. When we use the pen, we must draw the edge shape of the glassware decisively.

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