画素描时 如何画出体积感 如何画好

2024-12-12 07:57:39
推荐回答(1个)
回答1:

1、从透视原理上找。看前后、左右,上下的透视穿插关系是否已拉开。如:视平线以下的东西应近低远高,视平线以上的东西应近高远低等等;这些关系如画得不严格就会使物体紧贴在一起,画面的色彩画得再好也没空间。 2、画面是否明暗关系混乱。如果一幅画该亮的不敢提亮,应暗的又不敢加暗,明暗关系拉不开,又怎能形成体积呢?出现这种问题,实际上是画者对明暗认识不够。如画一个白瓷罐,有些画者首先想到的是用白色来画,而这种白色在光的作用下所形成的明暗冷暖变化实际已很少存在。以明暗变化来讲,如果你把这种物体受光和背光两部分理解成:受光为白天看到的物体,背光为夜晚看到的物体,这样改变观念,理解物体的明暗关系,就不至于使画面明暗关系平板。 3、颜色调配加白粉太多。这样就破坏了暗部的沉着,拉不开黑白灰的层次,造成画面全部发灰,当然也没有体积和空间。 4、整个画面色彩重复。到处是一样的高光,到处是一样的黑点,到处是一样的灰色,它们互相竞争,使得整个画面缺少中心而杂乱无章,当然也形不成体积和空间,这也是我们常讲的画面出现“花”的原因。

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