写生是油画家很注重的一种观察和感受自然、体验悟道生活、历练和提高自身素养的重要手段。无论是迈着坚定、执着步伐走在追寻“光芒”的道路上的梵高;或是冷静、理性也无法抑制内心交响奏鸣的森林画家希施金;还是尽情享受大自然所赐予舒心畅快的“巴比松”都对大自然有着深深的眷恋。绘画中色彩的变化也正是伴随着与自然之间关系 Sketching is an important method for oil painters to observe and feel nature, to experience enlightenment, to experience and improve their own literacy. Whether it is Van Gogh walking along the path of pursuing “Rays ” with his firm and persistent steps, or the forest painter Hashimin, who is calm and rational and can not restrain his inner symphony and sonata, or enjoying the comforts of nature Carefree “Barbizon ” have a deep nostalgia for nature. Changes in color is also accompanied by the relationship between painting and nature