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ID:49204908
大小:4.42 MB
页数:24页
时间:2020-02-01
《3透视 两点透视.ppt》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、绘画透视规律与表现技法huihuatoushiguilvyubiaoxianjifa绘画透视规律与表现技法绘画透视(3)第三节一、二点透视两点透视又称成角透视。当水平置放的直角六面体与画面成一定角度,两侧面的线条向左右两个消失点集中,这样的透视图叫二点透视。二点透视(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)二点透视(成角透视)Adiantoushi(chengjiaotoushi)(成角透视)diantoushi(cheng
2、jiaotoushi)一点透视(平行透视)二点透视(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)二点透视(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)二点透视(成角透视)1、二点透视的特征(1)在二点透视中,方形物体的垂直边线仍然垂直;与地面平行的水平线,各自与画面成一定的角度向左右两方远伸,分别往地平线上左右消失点(又称余点)集中。二点透视(
3、成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)(2)二点透视表现出的画面效果较自由,具有活泼、生动的特点,与真实场景空间相比,具有很好的真实性、且变化多样、纵横交错的特点,有助于表现复杂的场景及丰富多采的人物活动。二点透视(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)二兰透视diantoushi(chengjiaotoushi二点透视(成角透视)
4、diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)2、二点透视的四种状态由于动画影片中镜头的瞬息万变,要求我们不能用孤立的、静止的方式看待方形景物的透视现象,应从方形物的运动中,认识和掌握成角透视的变化规律,才能得心应手地画出方形景物的各种透视现象。因此,有必要从立方体的旋转过程中,分析并认识立方体的典型透视特征,以及成角透视中一对消失点在地平线上移动的规律。二点透视(成角透视)Adiantoushi(chengjiaotoushi)(成角透视
5、)diantoushi(chengjiaotoushi)方形物体向左旋转的状态(1)平行状态(2)微动状态二点透视(成角透视)Adiantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)方形物体向左旋转的状态(3)一般状态(4)对等状态二点透视(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)二点透视(成角透视)diantoushi(chengjiaotoushi)(成角
6、透视)diantoushi(chengjiaotoushi)二点透视(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)基斯·帕金森科幻插图基斯·帕金森插图基斯·帕金森插图千
7、与千寻的神隐二点透视(成角透视)diantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)二点透视(成角透视)Adiantoushi(chengjiaotoushi)(成角透视)diantoushi(chengjiaotoushi)基斯·帕金森插图作出基面上的方形网格的两点透视。延长这些线至画面PHPH画面线hh视平线PP基线Vx灭点Vy灭点s站点例2(两点透视)作形体的透视图。例6(两点透视)PHPH画面线hhPP基线视平线avxavYVXVYAs求
8、形体的两点透视立面图平面图PHPH画面线hh视平线PP基线s站点例7(两点透视)VxVy
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