Surface and surface intersection ( 551 ) is one of the key tasks in cagd 曲面求交( ssi )是cagd中的一個(gè)重要課題。
The degree reduction of parametric curves / surfaces is a key problem for computer aided geometric designed ( cagd ) 參數(shù)曲線曲面降階是計(jì)算機(jī)輔助幾何設(shè)計(jì)與制造中的研究熱點(diǎn)之一。
Representation of curves and surfaces is the most kernel and important research focus in computer - aided geometric design area 曲線曲面造型技術(shù)是cagd中最活躍最關(guān)鍵的學(xué)科分支之一。
Press , 1992 . 5 hoschek j , lasser d . fundamentals of computer aided geometric design . london : ak peters , 1993 由于給出的性質(zhì)都是rfd基本理論的重要延伸,它們可以用在各種不同的cagd應(yīng)用中。
1 farin g . curves and surfaces for cagd - a pratical guide . 5th edition , morgan kaufmann publishers , 2002 我們綜合利用廣義特征向量擬合和距離函數(shù),給出一種動(dòng)態(tài)隱式曲線曲面重構(gòu)的初值指定方法。
The blending surface is itself a generalized canal surface , the spine curve of which is a ph pythagorean - hodograph curve 曲面拼接問題是計(jì)算機(jī)輔助幾何設(shè)計(jì)cagd計(jì)算機(jī)圖形學(xué)cg等領(lǐng)域中的一個(gè)重要問題。
From that time on , the idea of multi - resolution analysis has been widely applied to cagd and many achievements have been obtained 從此,多分辨分析的思想被廣泛地應(yīng)用到cagd中,并且取得了很多研究成果。
The widely used basis functions in cagd , such as bernstein , b - spline and nurbs basis , are all normalized b - basis Cagd中廣泛使用的表示曲線曲面的基函數(shù),如bernstein基、 b樣條基、 nurbs基等均為規(guī)范b基。
Design examples of rfd , 2005 . http : joo - haeng . etri . re . kr geolix bezierribfan . 3 farin g . curves and surfaces for cagd : a practical guide 對(duì)于bezier曲線而言,它的肋形是從給定曲線中提取的另一種bezier曲線。
11 gormaz r , laurent p j . some results on blossoming and multivariate b - splines . multivariate approximation : from cagd to wavelets , world sci 由于只需要求解一個(gè)帶線性約束的最小二乘問題,因此該方法具有速度快,數(shù)值穩(wěn)定性好的特點(diǎn)。