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三角形的正确画法步骤

来源:baiyundou.net   日期:2024-08-22

自古以来,人们乐于欣赏花鸟画。花鸟画通过描写刻画自然界的各种花草禽鸟及走兽、昆虫等题材,具有其独特、多样的表现形式。花卉是花鸟画中的主要表现题材。花卉以其优美的外形、艳丽的色彩和活泼生动的姿态吸引着人们,画家则通过笔墨、色彩来传达对此的感受。

1.芍药的画法

芍药花,多年生宿根草本。茎丛生,羽状复叶,小叶通常3裂,长圆形或披针形,叶脉带红色。花单生于茎顶,花梗长,花色有白、粉、玫瑰等色。

花有两种画法,一是勾线填色法:白色花多用此法。以淡墨按花形结构勾花瓣,花瓣的根部用淡汁绿(或淡朱磦)染,花瓣用白粉提染,趁未干时点花蕊。二是没骨法:笔调白粉加曙红(深色花用曙红蘸胭脂),笔尖蘸胭脂,按花形从花心逐向外展,趁未干时用胭脂色点提花蕊及瓣与瓣之间的暗部,以增加层次。

叶的画法:笔调藤黄加花青色成汁绿色,笔尖蘸花青(或墨)按叶的结构,透视写出三至五片叶,画叶柄连成组叶。笔尖可蘸点曙红(或朱磦)点画嫩叶。

花、叶组合时要注意冷暖颜色的对比,叶子的颜色、大小要有浓淡变化,以示层次丰富。

2.山茶的画法

山茶为常青灌木或小乔木。花单生或成对生于叶腋或枝顶,有白、红、淡红等色。叶互生,深绿色,卵圆形或椭圆形,边缘有细锯齿。山茶有单瓣类、复瓣类和重瓣类。

花的画法:笔调浓朱磦蘸曙红点花瓣,五瓣之间留空白画花蕊。雄蕊多枚,雌蕊一枚高出花冠,蕊丝以浓白粉(或墨)勾,花蕊用浓白粉蘸黄点成。白花以淡墨、渴笔勾花形,用汁绿在花瓣根部分染明暗,用白粉罩染花瓣。

叶的画法:笔调藤黄加花青成汁绿,笔尖蘸花青(或墨)点写出,用笔要肯定。

花蒂呈鳞片状,以汁绿点,复用花青色勾轮廓,待未干时以三绿色点鳞片内。

3.水仙的画法

水仙又名金银台、玉玲珑。多年生草本植物。地下部分的鳞茎肥大似洋葱,外被棕褐色皮膜。叶狭长带状。花6瓣,中间有金色的副冠,形如盏状,花味清香。

花的画法:笔蘸浓墨勾杯状花冠,用中、淡墨色勾内层的三瓣,再勾花的外层三瓣。接着画花筒和花柄。用白粉罩染花瓣。花冠用藤黄调朱磦染,干后浓墨(或赭石)点蕊。花筒和花柄用汁绿染,待未干时可用三绿色局部提点。

蓓蕾画法与花相同。

叶的画法:用长锋笔蘸中浓墨以中锋行笔勾叶(要注意长短相间,要有聚散、转折变化),叶尖部稍重(实),根部稍虚。用汁绿蘸花青(或墨)从叶尖向根部逐渐染画。

4.玉兰的画法

玉兰花别名白玉兰、望春花,落叶乔木,早春三月开放,花白色,大型、芳香。

白花用勾染法(也可用点厾法)。用渴笔(含水、墨量少)淡墨有轻重地顿挫勾出花瓣。用白粉罩染花瓣。用赭石加朱磦点画花蕊。花萼用汁绿色加赭石色点成,趁未干时点毛刺。

5.木芙蓉的画法

木芙蓉花别名拒霜花。其花形似牡丹,凌霜绽放,极为美观。在花形上有单瓣和重瓣之分。木芙蓉花一般都是朝开暮谢,早晨初开花时为白色,至中午为粉红色,下午又逐渐呈红色,至深红色则闭合凋谢。叶大,互生,阔卵形至圆卵形,掌状3~5裂,裂片三角形。

花的画法:笔调白粉加少许大红成粉红色,笔尖再蘸曙红色由花心处向外逐层点厾花瓣成形,用胭脂重点将花心的花瓣提点,趁湿时蘸白粉在花瓣上勾放射状的脉纹,用浓白粉蘸黄点蕊。

花蕾的画法:笔调汁绿笔尖蘸浓绿色点写,花萼以草绿蘸赭石色点写。

6.秋葵的画法

秋葵又名黄蜀葵,一年生草本植物。夏秋间开花,鹅黄色、紫蕊、五分瓣,大如碗口。叶如人掌,有五尖、深裂,开歧杈。

花的画法:笔调白粉加藤黄(或鹅黄)色,笔尖蘸浓黄色,由瓣根向外点厾成朵,花心处空白,趁未干时用白粉(或汁绿)色在瓣上勾脉纹。调胭脂点画花蕊,柱头用浓白粉点成。

叶的画法:笔调藤黄加花青色成汁绿,笔尖再蘸花青(或墨)顿挫行笔成掌状。嫩叶色淡,笔尖可蘸少许曙红。

花苞的画法:笔调汁绿,笔尖再蘸曙红自上而下点写,同色画花托,用浓胭脂提勾顶部。

花籽的画法:笔调汁绿色,笔尖蘸浓绿(或花青、或墨)点画。用浓花青提勾顶部。

花、叶、枝组合:干、枝用汁绿蘸曙红,中锋行笔写成。叶要有浓淡、大小、透视转折变化以增生动。

7.美人蕉的画法

美人蕉别名兰蕉、昙华,多年生草本。有粗壮的根状茎。夏、秋季开花,花色多为大红、橘黄、粉红。叶互生,宽大,长椭圆状。

花的画法:笔调白粉加藤黄(或曙红,或朱磦)色,笔尖蘸藤黄(或曙红、朱磦、胭脂)色由花瓣根部向外点厾成形,用深色提勾花的暗部,增加层次感。

叶的画法:大笔调藤黄加花青成汁绿,笔尖蘸花青( 或墨、或曙红),以中、侧锋行笔点画成形,趁未干时勾叶脉。叶背色淡,叶脉可用曙红、胭脂勾写。

花、梗、叶组合:要注意冷暖色与浓淡的衬托,叶要有向背、转折以丰富画面,增加情趣和意境。

8.紫藤花的画法

紫藤属豆科攀援性灌木,又名菖花藤、朱藤。三月现蕾,四月盛花,色为淡蓝、紫红。叶为羽状复叶。

花的画法:笔调花青加白色(紫色花用曙红加酞青蓝加白色),笔尖蘸浓花青(或深紫色)点厾花朵上面的两大片花瓣,再蘸浓色点下面两片小花瓣。白粉加黄色点两点花蕊。

串花的画法:以花朵为基础重叠组合成串,在空隙中点画花柄、花梗,调白粉、藤黄在串花中有疏密地点蕊。

叶的画法:笔调汁绿,笔尖蘸花青(或曙红、或墨),中、侧锋行笔写羽状复叶(不要太对称),半干时画叶柄,勾叶筋。

藤的画法:嫩藤用汁绿(或淡墨)以中锋勾写。中老藤用墨(或墨加赭石)以中、侧锋灵动用笔画成。要强调藤条的柔韧与转折。

9.牵牛花的画法

10.桃花的画法

桃树为落叶乔木,桃叶椭圆状。花有白、粉红、红等色,重瓣或半重瓣。

花有两种画法:一是勾线填色法,用淡墨色勾花瓣。用笔调白色笔尖再蘸曙红染花瓣(白色花用白粉填写),花心部留空白,蕊茎用胭脂色(或墨色)勾,蕊用粉黄(或深红)点成。二是没骨画法,笔调白粉,笔尖蘸曙红,点厾花瓣成花朵,花心处染汁绿,用胭脂色勾点花蕊,点写花蒂。

叶的画法:笔调汁绿色笔尖蘸曙红(或花青、墨)撇写,用胭脂(或墨)色勾筋。

花、枝、叶组合:要注意花朵的聚散,颜色的浓淡,枝干的取势及疏密变化。

11.萱草花的画法

萱草别名金针、黄花菜、忘忧草。花色橙黄,形状像百合花一样。

花的画法:笔调藤黄加朱磦色,笔尖蘸浓朱磦,从花瓣基部向外点写出大小不同的六瓣,花心部留白,趁未干时点勾花蕊。

花苞的画法:笔调藤黄加花青成淡黄绿,笔尖蘸浓绿自上而下点圆柱状,用浓绿(或花青)色提点顶部。以中绿(或深绿)写花柄、梗。

叶的画法:笔调汁绿蘸花青(或墨)写出,也可用浓、淡墨色勾写。

花、梗、叶组合:花、苞衬配要大小有致,梗不宜太直,要有势,叶要简略,有转折和飘动感。

12.垂丝海棠的画法

海棠花姿潇洒,花开似锦,自古以来是雅俗共赏的名花,素有“国艳”之誉,历代文人墨客题咏不绝。

海棠有四品:西府海棠、垂丝海棠、贴梗海棠、木瓜海棠。垂丝海棠花姿优美,花色娇柔红艳。春季开花,是较为常见的品种。

花的画法:用白云笔调稀状白粉,笔尖蘸胭脂以点厾法画出,花瓣的颜色、大小要有变化(否则宜平),以淡汁绿染花心。用狼毫叶筋(或衣纹)笔调胭脂(或墨加曙红)勾花须。用稠粉黄(钛白加藤黄)点花蕊。

叶的画法:笔调汁绿色,笔尖蘸墨(或花青)按一组五、六片画出大小不同的叶子。嫩叶用汁绿蘸胭脂(或朱磦)色画出。待半干时勾叶筋。

13.绣球花的画法

绣球花又名八仙花、紫阳花,是夏季的重要花木。绣球花由百花成朵,团扶如球。叶短柄对生,叶片肥厚光滑,椭圆形或宽卵形。花白色、蓝色或粉红色。

花有两种画法:一是勾线填色法,用淡墨色勾出一小花朵,向四周渐淡勾画成大花形。以汁绿晕染每小朵之间的暗部分出层次。用白粉点染花瓣。二是没骨(点厾)法,笔调白粉加曙红(或花青)笔尖蘸曙红(或花青)逐一点出花瓣成朵,用胭脂(或花青)提点花朵中的暗部以增加层次感。

叶的画法:笔调藤黄加花青成汁绿色,笔尖蘸花青(或墨),以中、侧锋写出,随着笔中颜色渐淡,画出的叶也有变化。嫩叶用笔尖蘸少许曙红(或朱磦)画成。

花、叶、枝的组合:注意主次和颜色的浓淡。淡色花以重色枝叶衬,枝干要取势,穿插有致,叶要有聚散、虚实变化。

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贡虾勤19569764344 ______ 先画一条线段为正三角形的边长,再用圆规的一脚与线段的一端点重合,另一脚与线段的另一端点重合,这时固定好两脚间的长度不变,它的长等于所画的线段长,然后分别以两端点为圆心画弧,二弧相交一点,将这点分别与线段两端点连结,就得到一个正三角形,你试一试,好吧

迟胥卖2855用尺规画三角形怎么画 -
贡虾勤19569764344 ______ 用尺画出三角形的一边,再用圆规分别以另外两条边的长度为半径,在已画出的一条边的两个端点作圆,选择圆的一个交点分别连接已画出三角形一边的两个端点就可画出三角形

迟胥卖2855用尺规作三角形三条边的垂直平分线,怎么画,最好有图 -
贡虾勤19569764344 ______ 以A、B为圆心,AB长为半径做圆弧相交于d、e,过d、e作直线即为AB的垂直平均线.其余两边如法作出.

迟胥卖2855怎么画标准的等边三角形 -
贡虾勤19569764344 ______ 用圆规 先画一条线段AB 分别以A、B为圆心,AB为半径画弧交于点C 则ΔABC的等边三角形

迟胥卖2855第一角画法和点三角画法的标注的正确画法 -
贡虾勤19569764344 ______[答案] 我们中国一般采用第一角画法,我们所说的三视图为主视图、左视图、俯视图;而三角画法,我们平常不用,美国采用的习惯画法就是第三角画法,他的三视图和第一角画法正好相反,在原来位置上分别是主视图、右视图、仰视图,以此类推.

迟胥卖2855钝角三角形和锐角三角形和直角三角形的中线 和角平分线和高怎么画 -
贡虾勤19569764344 ______[答案] 如图所示: 角平分线:过三角形内任意一点的顶点画一条弧线,会与如图BH,FH两边有两个交点,再以E,F为顶点画两条半径相同的狐线,这两条狐线会交于一点,连结顶点与这个交点,这条线,就是角平分线. 高线(锐角三角形):如图,过点A,...

迟胥卖2855等边三角形,在用CAD怎么画 -
贡虾勤19569764344 ______ 1、首先需要在cad中输入多边形命令:POL. 2、然后在接下来弹出的框中选择多边形边数:3. 3、接下来需选择边:E. 4、为图形指定第一个端点,屏幕任意位置点一下. 5、为图形指定第二个端点即边长,输入50. 6、最后大小固定边长的等边三角形在cad中就画好了.

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