人类最早用来表达思想、创造艺术时,就学会了用线作为刻画、传达信息的手段。如在法国南部发现的旧石器时代的拉斯科斯洞穴壁画,就说明了早期人类对形象的线性感知。素描作为造型艺术的基础,在西方从文艺复兴开始就空前发展,并趋于完善。这个时期涌现出来的艺术大师如达．芬奇、米开朗基罗、丢勒等都是“从线入手”来塑造形体。19世纪更是把线性素描发展到了极致。20世 When human beings first used to express their thoughts and create art, they learned to use the lines as a means of portraying and conveying information. The Paleolithic Laskos cave paintings found in southern France illustrate the linear perception of the early humans. As the basis of plastic arts, sketches have been unprecedented development in the West from the beginning of the Renaissance, and tend to be perfect. The masters of art emerged during this period. Finch, Michelangelo, Dürer are all “start from the line” to shape the body. The 19th century is the development of the linear sketch to the extreme. 20th Century