一形是事物外部的形态特征,绘画以形态为先决条件,而形态的外轮廓是画面构成的灵魂。轮廓不是别的什么东西,而是面的边缘的勾勒,有了外轮廓便有了各异的外形,如人的身姿,山水的状貌,然后才看到各异的细节,如人的五官、老人脸上的皱纹、少年蓬勃的神采、山间繁茂的绿树……起初看到的外轮廓,称之为平面“影形”。举例说一个人在光的照射下投在墙上的影子形态,这个影子的形态就是平面“影形”。在自然界里,我们根据万物的外形特征识别出鸟类 One form is the morphological feature of the exterior of things, painting is the precondition of the form, and the outline of the form is the soul of the picture. Contour is not something else, but the outline of the edge of the outline, with the outline will have a different shape, such as human posture, landscape appearance, and then see the different details, such as human Facial features, the wrinkles on the face of an old man, the vigorous look of a young man, and the lush green trees of a mountain ... The outer contour that was first seen is called the plane “shadow”. For example, a person in the light of light cast on the wall shadow shape, the shape of this shadow is the plane “shadow ”. In nature, we identify birds based on their appearance