钢笔工具(PS)

PS路径 钢笔工具 欧阳潘OuyangPan Photoshop PathThePenTool PPT模板下载 Content 1st WhatisPATH 什么是路径 ElementsofPath路径的构成 2nd ThePenTool钢笔工具 3rd Application应用案例 4th Thepathconsistsofoneormorestraightlinesorcurves Theshapeofpathiscontrolledbytheanchorpoints andtheseanchorpointstagtheendpointofeachsegmentofthepath 由一个或多个直线段或曲线段组成 路径的形状是由锚点控制的 锚点标记了路径段的端点 Definition Thepathcanbeusedasanauxiliarytool Ifwewanttochangeormodifysomepartsofanimage wecancreateanareawithasharpofpathbyusingthepentool thenwecantransformthepathtoaselectionareaandthenmodifyfurthermore 路径作为辅助工具 可以钢笔在图片中勾勒想要修改区域 转化成选区或者描进行后续处理 AnchorPoint StraightLine Curve StraightandCurve TheConnectionbetweentwoanchorpointsusuallycouldbestraightlineorcurve Therearetwobasictypesofcurve C shapedandS shaped 连接两点之间的线条一般只有直线或者曲线 有两种基本曲线 C型和S型 C型曲线C shapedcurve 直线straightline S型曲线S shapedcurve StructureofCurve CurvedlinesegmentB DirectionpointC DirectionlineD SelectedanchorpointE Unselectedanchorpoint 1 Thepentoolisadrawingtoolwhichhastheadvantagetodrawasmoothcurveasavectordiagram 钢笔工具属于矢量绘图工具 其优点是可以勾画平滑的曲线 2 WecalledthevectordiagramdrawnbythepentoolasPATH 钢笔工具画出来的矢量图形称为路径 3 Pathcouldbenotclosedup ifthestartpointandtheendpointareoverlap thenwehavedrawnaclosedpath 路径允许是不封闭的开放状 如果把起点与终点重合绘制就可以得到封闭的路径 Introduction 2nd ClickmousetocreateananchorpointA 3rd Movetoanotherplace clickmouseagaintocreateanotheranchorpointB 4th AstraightlinebetweenpointAandpointBwillbedrawnautomatically 1st ChoosethePenToolinthetoolbox Directionfordrawingstraightline Directionfordrawingcurve 2nd Movethemousetoanydirection therearewillbetwostraightlineswithanangleof180degreesappearedfromthepointA ThoselinescalleddirectionlinesindicatethedirectionsthatthecurveentersintoandgetsoutthepointA 1st ChoosethePenToolinthetoolbox andthenclickmousetocreateananchorpointAwithoutlooseningtheleftmousebutton 3rd UsethesamewaytocreateanotheranchorpointBinotherplace thenacurvewillappearbetweenpointAandB Oncurvedsegments eachselectedanchorpointdisplaysoneortwodirectionlineswhichareendedindirectionpoints Thepositionsofdirectionlinesandpointsdeterminethesizeandshapeofacurvedsegment Movingtheseelementscanreshapethecurvesinapath