3. Technique of tonal graphics 3.1 Tonal graphics

The tone is the concept of the ratio of dark and light, contrast and nuance. The main property of tone is its achromaticity , that is, the absence of pronounced color characteristics. The concept of "tone" is always inseparable from the concept of "surface". The tone may reflect darkness or lightness, both the surface of the image and the surface of the object. The tone as well as the line can express various properties of the form. In contrast to the line, the tone has a contrast not linear, but superficial. Image in tone black and white contrasts, textures, textures - techniques for identifying surface properties of the subject form. Technique using tone is called "tonal graphics."

The tonal graphics are the techniques of the most convincing image of a complex plastic, an effective way of detecting aerial perspective and light. In the process of mastering the techniques of tonal graphics, such qualities as spatial thinking, the ability to model the form, plastic, use a brush, retouch, soft slate, coal, airbrush are formed. Mastering such technical techniques of project graphics as shading, glazing, watercolor painting, retouching with a pencil, coal, felt-tip pen, requires a long mastering of a number of skills. The image of the form in tone allows you to transfer its qualities such as size, weight, texture, texture.