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2.1 素描中的线
持笔姿势与线条
持笔姿势
食指与拇指轻捏笔杆,距离笔尖约3cm;中指的第一指节顶住笔杆,无名指和小指自然弯曲垫在下面,笔杆上部靠在食指根部的关节处,笔杆与纸面保持45°~50°角。执笔时,除拇指外的四根手指一根挨一根自然地叠在一起,不疏松不拉开,掌心尽可能虚,即做到“指实、掌虚”。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0011_0001.jpg?sign=1738758773-9Y9skeaqIB80R8JmfORc8rnUctCwrq3d-0-3f4705a1147cbc9f4d90df221a03c639)
持笔角度的变化
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0011_0002.jpg?sign=1738758773-ZFmHRUi0zRJAf4eXxubjehrptFI0ZNdx-0-6210ec128f938778c0f771a3aac7e2ea)
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0011_0003.jpg?sign=1738758773-HRfrhCVr9tZNCkZ0th0IJhVSKxTSHjrz-0-a5ffb9d89371f04a7cb824e6997570ad)
画线时肘部的变化
一般情况下,用中指和食指与大拇指配合,拿铅笔的前端,这样拿的目的是为了使腕部灵活;画直线的时候以肘关节为支点,这样画出的线条更直;细部刻画可以像写字那样拿笔。画速写的时候,拿笔的方法与写字时用笔的方法一样,当熟练了以后,拿笔基本没有固定的模式。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0011_0004.jpg?sign=1738758773-TwIDrbm18PmbdpXVdB0GzSo73cpS8w2b-0-cb67f761c93822a8a7a0a2afb7bb515f)
线的画法
握笔的时候,手指的力度要轻,只要能夹住笔就可以了,主要是手腕用力。画长直线的时候,要用小臂带动手腕来进行绘制。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0012_0001.jpg?sign=1738758773-HZLm9QrsaZT6APKo28x3VLkikkrqJsc7-0-f4b859df766da7cc5c07f645620b164d)
线的类型
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0012_0002.jpg?sign=1738758773-N6gChJ3iEaAgnutpxw2DP1o9GJ4NNmya-0-ca1f1f97109daa3c4e1541395bf17918)
起草线:这是一种长直线,多表现为“重复线”形式,它的基本线形包括垂直线、水平线、倾斜线和弧线。画起草线时,画者的手臂要伸长、放松。“长线”要一次性完成,然后用重复线形式修正。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0012_0003.jpg?sign=1738758773-2dKkaOuzu9pmOqeHGvS0YLvdlQv94Kh8-0-081aa16508e3c69b41dcbbe1e13d6ca6)
轮廓线:这是一种富于变化的“单线”。它的变化形式有直曲、虚实、轻重和粗细等。在正常情况下,物体亮部的轮廓线属于背景,暗部的轮廓线属于物体。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0012_0004.jpg?sign=1738758773-aTwtViLXd5jjpr1DkTyar8XANMSalwkb-0-439069a1fd76555cb78577a054ed2a81)
暗部线:是一种粗黑线,线形和方向比较随意。画暗部线可以选用“B”类的软芯铅笔,不要把铅笔削得太尖。最暗的部分要用力去画。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0012_0005.jpg?sign=1738758773-tCdYf5qNWAOdjMQqBwTdNRjGQy4soNgl-0-1658e628455a8b1097911f9ab4475a5d)
背景线:基本上是一种45°的长直线,要求是整齐、均匀,把背景组成不同暗度的灰色。暗部的排线要起到衬托前端物体的作用。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0012_0006.jpg?sign=1738758773-dEp3ZA6n7wa4OFgLZDTJB7GLNSJwrjb6-0-343640b51afe85f1f2e05ee2607b1306)
明部线:这是一种整齐而明确的短线,适宜使用较硬的铅笔,线的绘制方向要依据体面的转折进行,结构的转折处经常使用“交叉线”,画线要轻而果断。
不同方向的排线
垂直排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0013_0001.jpg?sign=1738758773-Pg9EtCUOUyZv4iFAKXVHBxhBMx2Otkqm-0-2f8885d1b322fc7bba98293dc8132b91)
垂直排线在排列绘制的过程中要把握线条的均匀及疏密变化。垂直排线多用于绘制物体立面的结构,能更好地塑造物体。
左倾斜排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0013_0002.jpg?sign=1738758773-4ElkrjASfXslDYBtXUu4P7BQgGwYU9Bh-0-d82267eb537b87b654d613cbfd872fe9)
左倾斜排线由于排线的角度相对比较特殊,在绘制时要根据物体的结构面进行绘制。
水平排线
水平排线是一种比较普遍的排线形式,绘制水平排线时要把握好水平排线分布的均匀,这样调子看起来会更加工整。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0013_0003.jpg?sign=1738758773-2P5Oylt4a9RyGxhBAjc98sIM4gvQfIic-0-c0facbcb7496929f7243e057e8ed020a)
右倾斜排线
右倾斜排线绘制方法同左倾斜排线一样,都需要变换绘制的角度,绘制时也要注意线与线之间的间距。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0013_0004.jpg?sign=1738758773-ACPHCEZiw3mNpinviJ0jFdGAbkpKDBLO-0-e1ca4f05604d8a4c9c76e2b9b5bfcc59)
疏密变化的排线
密集排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0013_0005.jpg?sign=1738758773-1ap1WD2R5YIHA5t6tNMA8LtJFHoVht3o-0-d71a50984668cfc3e5db873b41b0c1f8)
密集排线在绘画创作时通常用在绘画画面整理细节阶段,密集的排线可以使画面更加细腻。
较稀松的排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0013_0006.jpg?sign=1738758773-UHQzKNQn3qXOeUnFFJBSfOOht0ODhqcW-0-518364f63e0425502ea0a1972b9136b8)
较稀松的排线要严格地把握绘制的疏密程度,在绘画过程中也要运用得当。
较密排线
较密排线的密度要疏于密集排线,绘制时也要把握线条的排列密度。物体的暗部块面运用这种线条的排列比较多。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0013_0007.jpg?sign=1738758773-TO7emzIPR9KQ88PAWrDQVKz5mbvkrHZB-0-15d7c1c545feac3b1ccfe3b738c7d258)
稀松排线
稀松排线的特征是线条的间距比较大。由于物体的亮部块面的调子比较稀疏,这种线条更多地运用在物体的这一区域。
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0013_0008.jpg?sign=1738758773-pX43arf1gEw9J7k2T7G0NaPqqhQ9A6Sg-0-ac737c2d24e608880a81069c6b11042a)
过渡变化的排线
水平变化排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0001.jpg?sign=1738758773-veX4DSW9O80tg7A3tyOy85uyysTfh6EF-0-78318698c8407cf5f114079ca8ccd55f)
垂直变化排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0002.jpg?sign=1738758773-zSkmVsaA9UFlKVGJcyeF4NGcGJLtaait-0-183b360c2e7d86a6a424ec0151727320)
左倾斜变化排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0003.jpg?sign=1738758773-iKDEejvj91zr4nQbCI416rFJ36GKHjNw-0-c5a3b1278eeaced507c32e1f4e4cc056)
右倾斜变化排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0004.jpg?sign=1738758773-3kJIp0ObNDc6SBXUUAWMCb3KJfqRHImH-0-479e734a529c1b9f541f1c10227fe390)
正确的排线
平行排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0005.jpg?sign=1738758773-akY6j7PcSpvw5ph1tH4X2bo6nKdpjNFW-0-88bdda7f5913b9b287069a5d58d7233c)
过渡排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0006.jpg?sign=1738758773-hZHmhSL6dVqVuDoYsTCbI5inQI8mvIKX-0-d357aa53606bb005f7ceeee87263466d)
交叉排线
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0007.jpg?sign=1738758773-c2tnGgRKw9qykUhbsAGA1fTXg9LlIjoS-0-f3135f75f00bd0fd6ee4eec87926f06b)
错误的排线
线条太重
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0008.jpg?sign=1738758773-f6OCIeFfNyJpUNzx1Obac75iVDUoZKbA-0-30003d7a7976d934d49f83b84b894346)
线条太乱
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0009.jpg?sign=1738758773-GNDer11P7QTmw7ksUNjQIs6396t9WGVX-0-1012ecc2f671bffcc9d7f17c232afc84)
线条过于死板
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0010.jpg?sign=1738758773-ENXsrETOodR5ICGgBPUrrPddPgelYz0m-0-b44e02f55bdaf15a4ed508d3b993faad)
线条头重脚轻
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0011.jpg?sign=1738758773-sY2udGGo5qVSETL1WYQJ3vD0dNzq6VEQ-0-4989d6e3998a01f9f0eccbc4c9842e7a)
不同铅笔的排线效果
![](https://epubservercos.yuewen.com/56FAA8/11229164604729406/epubprivate/OEBPS/Images/figure_0014_0012.jpg?sign=1738758773-2gDpuPEAMJHM3jp3EG84QPZZVKl3v0YH-0-4860cc999ef04d3457abc4a7ceaef615)