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PLM之家-NX9.0 二次开发实例视频31 NXOpen C++创建基本特征 <1>-草图的创建9 c" G2 j7 z, f; x6 e7 X& c
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草图作为参数化建模的基础,使用代码实现草图的创建过程,主要是对草图环境的初始化,以及草图约束的添加等问题。
) }; Y% D y$ b) q& K目的:
6 q" L u2 u; l, {( N ~在NX中,使用NXOpen C++可以很方便的进行JA的录制,从而发掘草图约束中尺寸约束和几何约束的规律,通过这种方式,可以快速的完成开发。' O# }0 w5 V+ g7 L5 o. Y! J* |3 t' ^
NXOpen C++创建草图基本特征
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31 NXOpen C++创建基本特征-草图的创建(1)项目介绍
, U; ?. X: k; u! W! J/ a* u. p 31 NXOpen C++创建基本特征-草图的创建(2)UI设计% L% S3 B3 o. I" u0 W- {
31 NXOpen C++创建基本特征-草图的创建(3)项目创建
2 d& L. {% U% p% \! {& H6 M, T& W 31 NXOpen C++创建基本特征-草图的创建(4)草图特征创建* N( S# d" m. u5 U r5 `
31 NXOpen C++创建基本特征-草图的创建(5)添加几何到草图
. V v) E Y5 m2 Z* D 31 NXOpen C++创建基本特征-草图的创建(6)添加草图几何约束
- \& A9 M* x0 r# m$ w8 `( { 31 NXOpen C++创建基本特征-草图的创建(7)添加草图尺寸约束* r8 E0 w2 a& w* d" P p
31 NXOpen C++创建基本特征-草图的创建(8)尺寸和UI关联
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关键代码分享:
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8 _: i( B7 \* l, ^4 t: \( l+ g- void lesson31_createSkeTCh::createIPSketch()
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- Sketch *nullSketch(NULL);5 x' s" U/ ^# M4 c+ R# n
- SketchInPlaceBuilder *sketchInPlaceBuilder1;3 g0 M! r* j$ r& M7 ` @4 t" q
- sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);0 S7 a- s5 Y8 u- B# r7 o- @, |% ~- f; f
- sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);2 U8 _$ n8 X4 f9 T/ h3 |6 K' l
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- //sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);( p9 M8 G5 s4 g4 P1 K
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6 F0 G* d% p* r' D6 s# L- // add preference
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- theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);
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5 c: C: Y& l9 |1 l- Drafting::PreferencesBuilder *preferencesBuilder1;4 p% O/ z6 W9 X1 I: X1 Q
- preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
3 I2 X$ S) _+ C0 a3 b - preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);5 E* f' L, E0 I! c& b/ B
- preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);
G* b% b J3 S$ R- w' |3 p$ d - preferencesBuilder1->Commit();
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- preferencesBuilder1->Destroy();' Y/ U) D& r S6 Z3 y
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- NXObject *nXObject1;) @. e& ]# ^5 D3 t! x0 g3 y9 T
- nXObject1 = sketchInPlaceBuilder1->Commit();2 K% r7 ^6 B/ Q/ ~ G& @ `
* g$ o. b, Y, d. ^; } G- Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));7 ?# ]( f: ~) f8 }: A
- Features::Feature *feature1;
( v$ V m, _/ M7 |6 T4 S - feature1 = sketch1->Feature();" Q% i# s/ |, R0 h" Q! r. f n6 g
- feature1->SetName("XY-Plane-Sketch");1 T/ I$ H+ n8 w/ L9 u' }# F! s
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- sketchInPlaceBuilder1->Destroy();5 {* B# [! p8 R# K1 z1 P
* u/ B/ x3 G2 j8 j1 g$ ~; i- //1 active sketch / Y$ [; [% q$ }* q* f% y3 h
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- sketch1->Activate(Sketch::ViewReorientFalse);
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) |! m$ c& E2 N8 j0 t- t0 }: e2 @2 { - double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");
" ^( M2 U4 Q" _8 G$ h - double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");
# m3 T! |/ y/ D, s7 a+ d$ |* [/ R - double length = this->expressionLength->GetProperties()->GetDouble("Value");) }$ e/ t9 z# q; F9 l" ]! T
- // 2.1 create geometry
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7 J n! D9 r6 u" Z7 U1 f4 H+ P" P, t- Point3d startPoint1(0.0, 0.0, 0.0);$ K) O2 N4 i+ ]! K
- Point3d endPoint1(0, height1, 0.0);
1 @* Q" @* K, Z- r$ Y: n- a - Point3d endPoint2(length, height1, 0.0);' C5 m* B, \. ]/ ~1 e& \
- Point3d endPoint3(length, height1-height2, 0.0);
% P, u$ p: \8 Z$ z- y9 B - Point3d origin = sketch1->Origin();. R4 ~; q% a2 o. Q( H0 p
- Point *originPoint = workPart->Points()->CreatePoint(origin);
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- Line *line1,*line2,*line3,*line4;9 U: Y$ M# y7 ~- F. V! k6 b4 `
- line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1); O4 D7 i, Y' P$ v! _
- line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);* w! \1 i$ f/ x
- line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
9 h/ j% J6 s5 ^+ [ - line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);
) A1 Z/ ?$ y h+ p& z# e6 g - // 2.2 add geometry
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- sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);3 }" I$ K! c$ O( A. H4 [
- sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);
! R3 i# p5 C5 h+ r - sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);( O, _4 g9 y1 f3 m& ]" \: D1 W
- sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);
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- //3 add constraints ( gemo)$ u6 B' E" Z- M# Z8 ]$ i+ N
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- Sketch::ConstraintGeometry geomline1;8 [# [4 T- w# z8 ^& x6 ~9 d4 X
- geomline1.Geometry = line1;
# J3 ^& ]/ M4 d; g7 F0 Y, H, ^ - geomline1.PointType = Sketch::ConstraintPointTypeNone;' P, N* E5 F: u4 d. W
- geomline1.SplineDefiningPointIndex = 0;) c" O+ w$ Y2 T( w1 d. p N$ i- E
- sketch1->CreateVerticalConstraint(geomline1); a. l- e' s- L) }: D0 ]
2 H- J0 T' K/ l- X& R3 `' W& d3 t- Sketch::ConstraintGeometry geomline2;! G/ h7 b) S& @ P! q: ^
- geomline2.Geometry = line2;' D r& y) `" O/ k- z8 Y
- geomline2.PointType = Sketch::ConstraintPointTypeNone;
) d W9 l) R* D! J) \& l9 [8 L - geomline2.SplineDefiningPointIndex = 0;
6 s. U9 o9 z, j# a3 d: Q% t; d# c- I - sketch1->CreateHorizontalConstraint(geomline2);) P. Q6 d2 x. e" q% n1 A6 T
! U2 E+ e- e. j& i- Sketch::ConstraintGeometry geomline3;! h, g7 w1 _! _6 R8 z
- geomline3.Geometry = line3;% Z1 q- G/ r$ i# L& p. L+ a
- geomline3.PointType = Sketch::ConstraintPointTypeNone;( ~( F" X) A0 g
- geomline3.SplineDefiningPointIndex = 0;
1 a* ?+ }' J) [' G5 b/ y - sketch1->CreateVerticalConstraint(geomline3);: v0 Y* r2 a8 n- W5 Z
+ r$ b; b7 D$ |2 k }* B( k6 a- Sketch::ConstraintGeometry geomline1_startPoint;0 x f: V# D, _
- geomline1_startPoint.Geometry = line1;
! o/ H9 z) b! G1 G) k) { - geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;, L4 f5 F5 |- c
- geomline1.SplineDefiningPointIndex = 0;! o% N; O1 p+ k6 _' q0 z$ ]1 k% d
- Sketch::ConstraintGeometry geomline2_originPoint;
0 L* ^5 Z" o/ F0 G( z0 M - geomline2_originPoint.Geometry = originPoint;( r& {, V* b' s5 Q7 h
- geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
$ F& V% C) _" j7 L8 l9 X& F. o - geomline2_originPoint.SplineDefiningPointIndex = 0;
; Z9 h Y; b" V8 n - sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);5 e* w: q3 [( U% `2 C3 _# ~& T
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- //4 add constraints (dimension)% \* v: o& _ b; h d/ A
5 c9 e' I9 h* T5 ~9 Y6 Q- NXObject *nullNXObject(NULL);
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0 m) r; \1 U4 f- stringstream s_height1,s_height2,s_length;
1 U2 Q) h* ]2 U% Q% m4 u - s_height1 <<height1;
0 ~( {" W2 C2 d9 K V; I - s_height2 <<height2;
2 g5 ~ e- m1 M! | - s_length <<length;
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& M9 U" j& j/ B( Y* R; D- Expression *expression1,*expression2,*expression3;
0 |6 i: K, i# [ ` - expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());& m9 J( n, P0 |5 j$ X" V! Q
- expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());
+ M- E' O* w) s C; V% [ - expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());3 j$ j3 D* G& m4 A& Q" y
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- // line1 dimension + p' E, k& F2 H5 ^ ], }
* O+ B: Q- q* X$ j$ n2 w- Sketch::DimensionGeometry dimLine1_startPoint;
; s" }1 S: ?# C! u% W4 L0 s - dimLine1_startPoint.Geometry = line1;: C* @ t* \7 b, R. D2 Y
- dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;
2 F. B6 u. H7 g( C - dimLine1_startPoint.AssocValue = 0;$ V$ \7 [+ q" Z
- dimLine1_startPoint.HelpPoint.X = 0.0;" {- {$ O5 E a) z" z
- dimLine1_startPoint.HelpPoint.Y = 0.0;
7 S& C* Y8 z. Z- _9 U: _0 c2 f - dimLine1_startPoint.HelpPoint.Z = 0.0;" {3 [. u. C8 `8 R- K
- dimLine1_startPoint.View = nullNXObject;3 j$ c5 T* @* `! }3 s8 w, g
) ~# w- j F( ?2 p2 M' j/ j- Sketch::DimensionGeometry dimLine1_endPoint;
6 `- E- a7 L% [- s - dimLine1_endPoint.Geometry = line1;* P: \) @! q2 D" y* Y% b
- dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;
, J7 k: x8 p0 |5 `5 i) T+ e s - dimLine1_endPoint.AssocValue = 0;; f! |! Y: D8 r- \2 d& j: d
- dimLine1_endPoint.HelpPoint.X = 0.0;
/ {# e g5 o& R- V0 p8 N, x - dimLine1_endPoint.HelpPoint.Y = 0.0;' v5 J A' U1 E8 ~+ W8 e
- dimLine1_endPoint.HelpPoint.Z = 0.0;! |5 u; S! W+ S: O
- dimLine1_endPoint.View = nullNXObject;
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- Point3d dimOrigin1(-100, height1/2, 0.0);# h4 @3 t) H, {
& y$ W) _5 W2 Y4 m- sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);
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/ _# x! ]; r" i3 g9 r - // line2 dimension - k7 |, e) P+ i3 e( t5 \
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- Sketch::DimensionGeometry dimLine2_startPoint;
: Y$ p9 `) R+ y4 b& R1 D/ L - dimLine2_startPoint.Geometry = line2;! L. z2 j1 v G% ]- e( F
- dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;# b/ L7 j1 A# P8 B' y" `
- dimLine2_startPoint.AssocValue = 0;
0 {6 P! g/ K# K; F0 X2 w ] - dimLine2_startPoint.HelpPoint.X = 0.0;
+ l# o1 s2 O. a2 ?. ~ - dimLine2_startPoint.HelpPoint.Y = 0.0;& @/ ?. y5 Y8 _6 \8 p
- dimLine2_startPoint.HelpPoint.Z = 0.0;
4 n( c" q& Q% B0 g$ u3 p - dimLine2_startPoint.View = nullNXObject;
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- Sketch::DimensionGeometry dimLine2_endPoint;0 g: a6 W* Z' l' v' y/ r6 Z7 \! A2 [
- dimLine2_endPoint.Geometry = line2;. W$ g9 N4 d! T1 T: Y
- dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
. K8 |. o# Q1 b R - dimLine2_endPoint.AssocValue = 0;4 e& }6 A D( M" p5 U' e
- dimLine2_endPoint.HelpPoint.X = 0.0;
0 K! O {) `# h7 N8 W& `, G! P - dimLine2_endPoint.HelpPoint.Y = 0.0;
( o4 n9 r. T0 r6 h( o" ~. _ - dimLine2_endPoint.HelpPoint.Z = 0.0;6 Z+ [6 \6 w; B) M' G( e* T
- dimLine2_endPoint.View = nullNXObject;
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- Point3d dimOrigin2(length /2,100 + height1, 0.0);
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- sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);2 C Y1 T$ w/ T
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- // line3 dimension
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6 t ]& J% U, d# { D! M/ }( S0 j- Sketch::DimensionGeometry dimLine3_startPoint;' c1 F1 i, I+ D- S v
- dimLine3_startPoint.Geometry = line3;9 N2 _$ B' G2 b9 P
- dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
9 X4 m( u+ H( v - dimLine3_startPoint.AssocValue = 0;
/ {- V% X b/ N3 Q - dimLine3_startPoint.HelpPoint.X = 0.0;3 i/ b3 z& \0 n p# k" a5 e
- dimLine3_startPoint.HelpPoint.Y = 0.0;
( K4 g' Z2 ~" O+ a% r - dimLine3_startPoint.HelpPoint.Z = 0.0;
2 m2 I! N7 N/ b - dimLine3_startPoint.View = nullNXObject; w0 i2 ^# b3 i
' C8 r; [' e& Q }; n. `- Sketch::DimensionGeometry dimLine3_endPoint;
* g% V1 {8 X `4 h7 s - dimLine3_endPoint.Geometry = line3;
1 x; w( x c8 S x# D( p5 k - dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;6 r/ b, l3 H3 S% N! \
- dimLine3_endPoint.AssocValue = 0;; e- R, ~# L3 A: z" A
- dimLine3_endPoint.HelpPoint.X = 0.0;
B4 V5 w7 S6 @0 D) g4 ~' v9 q1 S& A - dimLine3_endPoint.HelpPoint.Y = 0.0;2 V; s4 T+ J0 B1 @8 M' _
- dimLine3_endPoint.HelpPoint.Z = 0.0;: M& X! x* N0 M( {( E; e+ p+ L) {
- dimLine3_endPoint.View = nullNXObject;
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; q: w! H$ V" A$ w0 U% \4 g0 T; g- Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);
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- sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine3_startPoint, dimLine3_endPoint, dimOrigin3, expression3, Sketch::DimensionOptionCreateAsDriving);! O% E# J0 V+ A- Z) R! V2 X
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- //5 update & deactive8 J( F$ p* h, N
- sketch1->Update();
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1 Y: Y! d- s* @% i. e% m- sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);
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- delete expression1;
" L7 i- y, p& y) j8 S8 u - delete expression2;9 ^5 e) B" ~6 G. n- J& }" M: z2 y
- delete expression3;# W" O ^* j' k1 v* {
-
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