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! e, A0 k" X* K' U经常能用的到,通过选择面,显示临时法线方向和点!
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[mw_shl_code=cpp,true] static bool DisplayNormal(Face theFace)
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double[] param = new double[2];
; V2 t& x( [& c+ K% k; u$ U" u! J$ ^ double[] p1 = new double[3];
$ I1 h& I8 H* p+ }% G4 K double[] u1 = new double[3];
$ c' R7 l1 h! `' ^, ^ double[] v1 = new double[3];
0 Y! s B1 {$ p double[] u2 = new double[3];1 h: b) A$ T4 Y
double[] v2 = new double[3];2 K- x: } _1 V# L2 S4 d
double[] unit_norm = new double[3];" U% @( m2 L; Z
double[] radii = new double[2];
D4 ]& h+ M% `. l# K n Q) ^ double[] uv_min_max = new double[4];7 b3 e. H( i3 b
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theUFSession.Modl.AskFaceUvMinmax(theFace.Tag, uv_min_max);
1 Z. ]8 {, N9 u/ O: Q+ |: \$ A- Z param[0] = (uv_min_max[0]+uv_min_max[1]) / 2; + s+ ?& A+ A! |) }
param[1] = (uv_min_max[2]+uv_min_max[3]) / 2;
5 X0 A1 d/ t9 O8 g theUFSession.Modl.AskFaceProps(theFace.Tag, param, p1, u1, v1, u2, v2, unit_norm, radii);
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DisplayTemporaryPoint(p1);- e" D! d1 J& [5 B
DisplayConehead(p1, unit_norm);- m7 e* X, [, M- ?% c5 P! B
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' u5 N8 t* `0 {- d: _# \% k static void DisplayTemporaryPoint(Double[] loc)3 q) q! K- r0 ]8 g
{
3 Y5 g& d8 B' }1 k UFObj.DispProps color = new UFObj.DispProps();
8 |' k" e5 q0 p; o5 o5 d) l- s color.color = 6;( t( U/ k5 M% }" p" p5 Q
theUFSession.Disp.DisplayTemporaryPoint(Tag.Null, UFDisp.ViewType.UseWorkView,
9 `( T- E$ g4 m! |8 A& }4 w# Q" } loc, ref color, UFDisp.PolyMarker.FilledCircle);
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static void DisplayConehead(Double[] loc, Double[] dir)
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* y1 D6 y- J% i! T1 E; o( y theUFSession.Disp.Conehead(UFConstants.UF_DISP_WORK_VIEW_ONLY, loc, dir, 0);- ~- B& ^: F& `
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[/mw_shl_code]
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