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& Z% \' s" L$ U! h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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" X5 e; A, f( s$ D" a. Q0 H, z3 Z[mw_shl_code=cpp,true] static bool DisplayNormal(Face theFace)
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double[] param = new double[2];
3 L" X) ]* |* a7 D1 y% T( Z double[] p1 = new double[3];' N( v1 A0 T* Q8 ]9 m" w
double[] u1 = new double[3];
: W4 o9 w' y/ m! B! e double[] v1 = new double[3];! f( I s5 T+ `- k
double[] u2 = new double[3];
9 J9 o8 _ w9 J6 E double[] v2 = new double[3];
8 s+ B* i7 t, _ double[] unit_norm = new double[3];
; z& \3 t% F0 m double[] radii = new double[2];
' O: e/ j; c# W6 X double[] uv_min_max = new double[4];9 U1 H0 s9 m& n( M5 E+ |1 C) G
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theUFSession.Modl.AskFaceUvMinmax(theFace.Tag, uv_min_max);
5 A0 j P* L8 R0 ] param[0] = (uv_min_max[0]+uv_min_max[1]) / 2; 4 W; C) G' r: n8 c
param[1] = (uv_min_max[2]+uv_min_max[3]) / 2; 2 V) P3 F" m, V- D8 h8 K
theUFSession.Modl.AskFaceProps(theFace.Tag, param, p1, u1, v1, u2, v2, unit_norm, radii);
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# N4 S+ n8 d3 J& J& R DisplayTemporaryPoint(p1);
$ |, z. C: [8 n }0 J: J& R DisplayConehead(p1, unit_norm);
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return true;
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4 s) J' F2 ?& P static void DisplayTemporaryPoint(Double[] loc)6 c( C9 p/ A2 n9 I% l" w+ u: s
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UFObj.DispProps color = new UFObj.DispProps();, l$ o5 ~ w, j# x' E, [4 {
color.color = 6;5 T' Y, [# @6 K; }" g
theUFSession.Disp.DisplayTemporaryPoint(Tag.Null, UFDisp.ViewType.UseWorkView, ) q y& i3 s6 e6 V% u4 V6 k0 G5 I
loc, ref color, UFDisp.PolyMarker.FilledCircle);
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! ?# |* l, Z* i& ^ static void DisplayConehead(Double[] loc, Double[] dir)
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theUFSession.Disp.Conehead(UFConstants.UF_DISP_WORK_VIEW_ONLY, loc, dir, 0);
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[/mw_shl_code]: v0 _0 @! h" W# p
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