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. P4 ]7 m+ ]# K7 v6 W% q" @% w经常能用的到,通过选择面,显示临时法线方向和点!/ U# B# h1 s K R+ d8 X$ L
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1 l! ~' j0 z# m! F. Z0 ~[mw_shl_code=cpp,true] static bool DisplayNormal(Face theFace)
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8 Z/ Q! R! L& f4 e+ ~ R1 @; G7 j* i W double[] param = new double[2];
$ r5 ?) ]& {, {% G# J8 E" l double[] p1 = new double[3];& N _- `8 E! a/ T
double[] u1 = new double[3];
) J5 L+ q1 ?; y9 M double[] v1 = new double[3];
p- a4 ]* y N+ y2 a% V$ l double[] u2 = new double[3];
3 m. q- x) |' C8 s' v0 y double[] v2 = new double[3];
# S# X% o% \& x& s double[] unit_norm = new double[3];
' l! e+ b. Z# T: u3 M, z* B$ X double[] radii = new double[2];
" j' d8 ^6 O* m6 C) F+ K double[] uv_min_max = new double[4];
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theUFSession.Modl.AskFaceUvMinmax(theFace.Tag, uv_min_max);
5 W1 T" e9 p- Q+ S' ^8 T$ b) b3 G param[0] = (uv_min_max[0]+uv_min_max[1]) / 2;
: Y% t' \- B5 g* s+ k param[1] = (uv_min_max[2]+uv_min_max[3]) / 2;
: O$ A9 u, ]* f, `6 L9 v: r theUFSession.Modl.AskFaceProps(theFace.Tag, param, p1, u1, v1, u2, v2, unit_norm, radii);
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! O2 R1 D0 O7 I/ L DisplayTemporaryPoint(p1);
+ [6 z! d# @% e1 X2 ?: r. _5 y DisplayConehead(p1, unit_norm);
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return true;
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static void DisplayTemporaryPoint(Double[] loc)2 @' Y8 S: ~( z5 {8 B
{
' j3 a! M6 G0 ^ UFObj.DispProps color = new UFObj.DispProps(); k5 D( n9 B$ K# F M, \3 i
color.color = 6;: S6 l" f& b9 j& B( J
theUFSession.Disp.DisplayTemporaryPoint(Tag.Null, UFDisp.ViewType.UseWorkView,
# s G+ C; h& n) u! W+ {1 a6 q9 o loc, ref color, UFDisp.PolyMarker.FilledCircle);- r6 e) R6 h8 @, G6 W
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static void DisplayConehead(Double[] loc, Double[] dir)9 p! @# I( Z# x
{
1 S3 T- P$ v9 H' _/ M theUFSession.Disp.Conehead(UFConstants.UF_DISP_WORK_VIEW_ONLY, loc, dir, 0);
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[/mw_shl_code]5 Y/ }& x# {0 H2 I" V1 I
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