◆如何认识素描基础训练中的背景空间对素描背景空间存在着两种认识：一种是客观的、自然物理性的空间，再一种就是画家主观营造的客观物象。客观物象立体感的产生取决于空间透视原理，以其在画面上呈现出客观物象的立体空间感，而造成一种只能看见而不能触摸的虚幻空间——绘 ◆ How to recognize the background space in sketching basic training There are two kinds of understanding to the sketching background space: one is the objective and natural physical space, and the other is the objective object created by the painter subjectively. The appearance of the three-dimensional objective image depends on the principle of spatial perspective, with the three-dimensional sense of space of the objective image presented on the screen, resulting in a kind of unreal space that can only be seen but can not be touched - painted