Briefly describe the method types of textile design.

A: Traditional design: weave design: By changing the yarn color and interweaving law, with the purpose of fabric surface weave design, fiber and yarn materials, fabric density and weaving method are selected to grasp and control the general level of fabric wearability. Pattern design: the artistic design that mainly provides graphic images and their colors for fabrics. Constitutive relationship design method: according to the principle relationship between structure and performance, the external performance changes are realized by changing the internal structure of things. Black-box design method: When the principle of constitutive relation between structure and performance of things cannot be mastered, a series of data representing the relationship between structure and performance are obtained by constantly changing the systematic experimental arrangement of the relationship between structure and performance of things, and mathematical models that can express this relationship are established according to the rules of statistical mathematics, and then these models are used for design. This design method using the opaque relationship between structure and expression is called black box design method. Empirical design method: based on intuition and experience, with the help of intermediate auxiliary experiments.