How many kinds of sketching can be divided?

A more scientific division, it should be like this:

From the expression method, it can be divided into light and shadow (full-factor) sketching, structural (analytical) sketching, white drawing and sketching.

Light and shadow (full-factor) sketching: the use of light and dark tones to express the object being drawn, closer to the objective facts, can be expressed in a richer content.

Structural (analytical) sketching: mainly using line to express the structural relationship of the object, occasionally using simple tones to express the volume and space.

Chinese white drawing: using a single line to express the object, the technique is concise, pay attention to the method of using the brush.

Sketch: the comprehensive use of the above techniques

From the purpose and function: can be divided into two categories: creative sketching and sketching exercises.

+ From the use of tools: pencil, charcoal, pen, brush, ink, chalk or a variety of tools and sketches.

+ From the content of sketching: still life, animals, landscapes, portraits and human sketching.

+ From the concept of time: sketching can be divided into long-term sketching, slow writing, sketching and so on.

+ From the form of drawing: can be divided into sketching, copying and mimeographing, etc.

+ From the form of drawing: can be divided into sketching, copying and mimeographing.

+ In addition, it can also be divided into research sketching, expressive sketching and so on.

+ In addition, it can be divided into research drawing, expressive drawing and so on.