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0 T7 e& K, f7 N# u5 s5 G经常能用的到,通过选择面,显示临时法线方向和点!* T( \3 G( w% l& J4 d# _( j
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[mw_shl_code=cpp,true] static bool DisplayNormal(Face theFace)
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, Z0 s( M* i2 l" n1 _ double[] param = new double[2];
0 ]& Z4 w0 l9 s0 }. l( k" _7 L6 [ double[] p1 = new double[3];1 X: m& F: G) {8 _3 S( M
double[] u1 = new double[3];
1 Q& m( h8 W. v; a double[] v1 = new double[3];
" g, a# r8 N9 r8 W$ m double[] u2 = new double[3];
# r! H5 o7 t1 }; f8 |, {# L double[] v2 = new double[3];9 [" u2 L( Y' |" H9 x" ?0 ^3 r
double[] unit_norm = new double[3];
y7 e. D& x9 i. x1 q- Z double[] radii = new double[2];
; ?% c+ N2 W5 ~! J double[] uv_min_max = new double[4];0 F( [ r( R S s' G6 e. K# @5 G/ ~
0 s0 V! L1 @6 }9 [0 w theUFSession.Modl.AskFaceUvMinmax(theFace.Tag, uv_min_max);
n$ d2 M ] L param[0] = (uv_min_max[0]+uv_min_max[1]) / 2; & B. E, m& \0 g7 V* X+ Z
param[1] = (uv_min_max[2]+uv_min_max[3]) / 2; z1 Y5 m+ X5 E* E0 T
theUFSession.Modl.AskFaceProps(theFace.Tag, param, p1, u1, v1, u2, v2, unit_norm, radii);6 ?( Y2 L, E9 C' H# i6 N$ E; }/ S
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DisplayTemporaryPoint(p1);1 `/ I7 N7 r y( A- X
DisplayConehead(p1, unit_norm);
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) Q% A& X6 U! j8 _- m' b' M/ O return true;
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static void DisplayTemporaryPoint(Double[] loc)0 M F9 |. O/ m: S9 p* W. _9 V" q& M
{
( o1 \) m' g/ q: R$ E UFObj.DispProps color = new UFObj.DispProps();
k. j1 @# q+ L* ^: } color.color = 6;
/ [1 g1 k& O! A8 W4 \; B theUFSession.Disp.DisplayTemporaryPoint(Tag.Null, UFDisp.ViewType.UseWorkView, 8 v! A" w9 H6 R5 m/ H; T
loc, ref color, UFDisp.PolyMarker.FilledCircle);$ I5 L4 W8 u. A1 Q, y
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static void DisplayConehead(Double[] loc, Double[] dir)
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) n ]3 [: e) Q+ d: v8 a0 P- t# z theUFSession.Disp.Conehead(UFConstants.UF_DISP_WORK_VIEW_ONLY, loc, dir, 0);
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[/mw_shl_code]
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