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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
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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。
) \ B: T3 |3 j; L5 o- Z- b J目的:7 i5 s4 H& i9 x% A) _9 a
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。3 P8 Q; o% Z: f S
NXOpen C++创建草图基本特征
0 @/ Y& N! e5 x2 {8 O/ H' [ 31 NXOpen C++创建基本特征-草图的创建(1)项目介绍
" c; v4 C' m, n! h" d 31 NXOpen C++创建基本特征-草图的创建(2)UI设计
7 U; V1 E0 \8 d5 k3 H, d7 f 31 NXOpen C++创建基本特征-草图的创建(3)项目创建0 i" t* `* a- t& W7 f0 j* T$ I
31 NXOpen C++创建基本特征-草图的创建(4)草图特征创建
4 q5 k) f9 R" \ 31 NXOpen C++创建基本特征-草图的创建(5)添加几何到草图
' {. @( Q# h- f* q# T 31 NXOpen C++创建基本特征-草图的创建(6)添加草图几何约束8 @9 G# U4 o8 s* m- I# E8 K& s
31 NXOpen C++创建基本特征-草图的创建(7)添加草图尺寸约束9 a- b( s# D# J
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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+ D6 ~# h: p P, r; y关键代码分享:
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: l; V# F, ^& B# e- void lesson31_createSkeTCh::createIPSketch()
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- Sketch *nullSketch(NULL);
. f6 C E1 t3 w8 \* N5 v8 g - SketchInPlaceBuilder *sketchInPlaceBuilder1;
( c! C: o8 [; } - sketchInPlaceBuilder1 = workPart->Sketches()->CreateNewSketchInPlaceBuilder(nullSketch);
9 e9 D- q5 [9 s - sketchInPlaceBuilder1->SetPlaneOption(Sketch::PlaneOptionNewPlane);
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5 d0 }7 X* x& m5 b4 t$ L: E0 t- //sketchInPlaceBuilder1->Plane()->SetMethod(PlaneTypes::MethodTypeFixedZ);' Z0 U3 U1 z7 \: ~3 o0 ]' C S
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! O. d& v# {( I4 w- a" @. V( `- // add preference
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- theSession->Preferences()->Sketch()->SetContinuousAutoDimensioning(false);6 x1 p( o. N, _3 Z2 Z7 y8 E+ `
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- Drafting::PreferencesBuilder *preferencesBuilder1;' k J1 _; s" k0 S
- preferencesBuilder1 = workPart->SettingsManager()->CreatePreferencesBuilder();
# j8 s- T, d: i/ E. T; |' Z: J) E - preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetAngularDimensionValuePrecision(3);
% d7 m2 O. q) R0 g6 x% X& K2 W - preferencesBuilder1->AnnotationStyle()->DimensionStyle()->SetDimensionValuePrecision(3);' ]! A; v6 m$ K- Q0 m# D' ^$ l3 J
- preferencesBuilder1->Commit();9 O8 g/ g9 ?0 W1 F* B
: d7 G% I- J% q- e% H% I- preferencesBuilder1->Destroy();
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- NXObject *nXObject1;* W3 F( T( R- @% w9 T8 N+ s# {
- nXObject1 = sketchInPlaceBuilder1->Commit();
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% F$ \% H* w" L5 d9 S- O; Q8 ]; I- Sketch *sketch1(dynamic_cast<Sketch *>(nXObject1));
s- a7 v7 ~! N6 n0 D - Features::Feature *feature1;' V4 ]: `5 H$ w
- feature1 = sketch1->Feature();
# ?2 V, M! a' `; b9 ]4 j# Q - feature1->SetName("XY-Plane-Sketch");
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- sketchInPlaceBuilder1->Destroy();7 i) \: d' B& y. g9 V2 f: H
* p; W! |/ w( Q( t" y6 n, D- //1 active sketch
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, }, X, ?; R5 Q' M5 y y( |- sketch1->Activate(Sketch::ViewReorientFalse);
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- double height1 = this->expressionHeight1->GetProperties()->GetDouble("Value");
$ i, d9 e0 x" W- a0 z# h( b2 [ - double height2 = this->expressionHeight2->GetProperties()->GetDouble("Value");7 |5 {9 g. ]6 m5 v5 R- `. r
- double length = this->expressionLength->GetProperties()->GetDouble("Value");
9 |8 R2 S9 ^" r+ V - // 2.1 create geometry6 |% p- c. j0 w4 }6 P
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- Point3d startPoint1(0.0, 0.0, 0.0);. S8 G& `" |' h9 V2 Z
- Point3d endPoint1(0, height1, 0.0);$ [: s) x& Z* S' M
- Point3d endPoint2(length, height1, 0.0);
8 N/ A1 ^, Z2 A/ E6 D m9 D" [ - Point3d endPoint3(length, height1-height2, 0.0);" W/ e* O, }# O6 t# h( V
- Point3d origin = sketch1->Origin();& {" {' M" J$ @: d
- Point *originPoint = workPart->Points()->CreatePoint(origin);: C3 g, ?3 s8 G: k; g* [
1 B4 a6 H: k+ \! j- Line *line1,*line2,*line3,*line4;
. z+ s2 W- N( H# n - line1 = workPart->Curves()->CreateLine(startPoint1, endPoint1);
% {- |: ?! v, M; X6 J - line2 = workPart->Curves()->CreateLine(endPoint1, endPoint2);
G5 A: T+ p5 T9 y# R+ z8 ` - line3 = workPart->Curves()->CreateLine(endPoint2, endPoint3);
4 ^& x+ O$ L6 q" { - line4 = workPart->Curves()->CreateLine(endPoint3, startPoint1);0 |- ~0 T' S6 t
- // 2.2 add geometry7 \% k4 H6 ~ E" ?3 ^4 E
7 ~9 N$ y% w. b; S9 O0 o+ }! g- sketch1->AddGeometry(line1,Sketch::InferConstraintsOptionInferCoincidentConstraints);
0 u# u" M2 @! U. y: F7 Y - sketch1->AddGeometry(line2,Sketch::InferConstraintsOptionInferCoincidentConstraints);- [$ N, i# f2 T$ F5 d; h. V9 } G. \
- sketch1->AddGeometry(line3,Sketch::InferConstraintsOptionInferCoincidentConstraints);6 f9 K) o/ j5 y
- sketch1->AddGeometry(line4,Sketch::InferConstraintsOptionInferCoincidentConstraints);8 V+ N0 U# P4 v' _
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- //3 add constraints ( gemo)
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& q$ q% Y! E6 |4 H' F, l- Sketch::ConstraintGeometry geomline1;1 }. i1 M8 X: j R B9 x) m
- geomline1.Geometry = line1;. P8 b+ ?2 Z% m T9 r( Z
- geomline1.PointType = Sketch::ConstraintPointTypeNone;4 C( @& ]8 \; j' f4 Q% R
- geomline1.SplineDefiningPointIndex = 0;
* C; X4 z) X1 q% O* b- R' S - sketch1->CreateVerticalConstraint(geomline1);: z0 u1 I7 P# o# K/ ~" ]
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- Sketch::ConstraintGeometry geomline2;
5 ?+ ?+ X6 ~1 i - geomline2.Geometry = line2;
; Q% g2 V8 p' G$ s4 Z6 u - geomline2.PointType = Sketch::ConstraintPointTypeNone;
! t$ Y( j" F" {) I0 ^- t - geomline2.SplineDefiningPointIndex = 0;, K5 m& t$ p7 a* ]7 e. Q
- sketch1->CreateHorizontalConstraint(geomline2);. m0 k2 n5 n% ]) M* H _) V; t) w
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- Sketch::ConstraintGeometry geomline3;
" b' W" K6 [* |' _- w - geomline3.Geometry = line3;; d) r1 k# e- ^
- geomline3.PointType = Sketch::ConstraintPointTypeNone;
1 Q1 l" y1 X8 P; k( f5 X - geomline3.SplineDefiningPointIndex = 0;
7 V" g) A f6 n1 E5 @8 C1 E7 j( R5 w - sketch1->CreateVerticalConstraint(geomline3);' e2 ?8 }, M) n& [
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- Sketch::ConstraintGeometry geomline1_startPoint;4 K9 I1 N5 b: _* J
- geomline1_startPoint.Geometry = line1;& X. G% h/ [* j$ d7 x
- geomline1_startPoint.PointType = Sketch::ConstraintPointTypeStartVertex;
0 H6 u, ?9 \- A7 C - geomline1.SplineDefiningPointIndex = 0;: k" q m) a; h9 S9 Y% j6 A
- Sketch::ConstraintGeometry geomline2_originPoint;# {7 ~! B: p5 D9 e
- geomline2_originPoint.Geometry = originPoint;+ Z8 \4 {+ n" a; ?+ J, g7 T
- geomline2_originPoint.PointType = Sketch::ConstraintPointTypeNone;
' q9 I+ V6 y p [! K5 O% f - geomline2_originPoint.SplineDefiningPointIndex = 0;4 q3 C6 D, n8 t
- sketch1->CreateCoincidentConstraint(geomline1_startPoint,geomline2_originPoint);& }- V5 w* r5 P- u1 Q* H
* n: c) s; `2 i8 j( R" `6 Z1 E- //4 add constraints (dimension)9 y9 a( U3 S4 b6 N0 O1 q$ ~
: r6 V/ f1 l- e4 s( {* U' a/ Q- NXObject *nullNXObject(NULL);
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& `2 q& i9 J7 E4 l. {. {9 |- stringstream s_height1,s_height2,s_length;; |3 x' a& u0 {$ t9 H3 u
- s_height1 <<height1;
9 J& r: X, A" \2 C: Y) o - s_height2 <<height2;* k. H+ C2 _- |: Z
- s_length <<length;& i4 ]) ] {1 R$ y% e& M% _. h6 w) F0 {; p
# q; v- h$ q4 i7 A/ u7 ?- Expression *expression1,*expression2,*expression3;
. C: W. \' V2 }" b3 b - expression1 = workPart->Expressions()->CreateSystemExpression(s_height1.str());/ A, N6 F& d7 k0 q, ]: A
- expression2 = workPart->Expressions()->CreateSystemExpression(s_length.str());" I/ c+ M) I. W/ B+ m* p( P
- expression3 = workPart->Expressions()->CreateSystemExpression(s_height2.str());
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3 F1 S( i( K8 S9 w* U- // line1 dimension
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% S0 h$ D5 g7 D. F8 W- Sketch::DimensionGeometry dimLine1_startPoint;
/ E( \8 E+ |0 x" M8 r; a& g3 J - dimLine1_startPoint.Geometry = line1;7 o, Y+ |% `7 \# ]$ o
- dimLine1_startPoint.AssocType = Sketch::AssocTypeStartPoint;8 c2 W ~' H5 @- u
- dimLine1_startPoint.AssocValue = 0;* g: ^2 `/ S+ B% T. b% ?5 l
- dimLine1_startPoint.HelpPoint.X = 0.0;& @: }* i" X% e
- dimLine1_startPoint.HelpPoint.Y = 0.0;6 Z8 j1 E7 {3 V. n/ A+ l
- dimLine1_startPoint.HelpPoint.Z = 0.0;
/ {" z* o+ n9 }" ] - dimLine1_startPoint.View = nullNXObject;
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n% L/ z4 m7 r* o- Sketch::DimensionGeometry dimLine1_endPoint;6 _; w* D: p3 M4 G
- dimLine1_endPoint.Geometry = line1;. J1 }6 I" ~4 d2 x7 i2 s
- dimLine1_endPoint.AssocType = Sketch::AssocTypeEndPoint;2 o$ l- y% K5 b8 T- U
- dimLine1_endPoint.AssocValue = 0;
; f) I& O. V8 y/ y - dimLine1_endPoint.HelpPoint.X = 0.0;+ L) m1 Q4 l' G& | J) E" g/ j
- dimLine1_endPoint.HelpPoint.Y = 0.0;" ~0 G9 ?/ K# f. \9 ^
- dimLine1_endPoint.HelpPoint.Z = 0.0;
1 R) [ w2 w' I" W4 e& K - dimLine1_endPoint.View = nullNXObject;
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- Point3d dimOrigin1(-100, height1/2, 0.0);
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- sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine1_startPoint, dimLine1_endPoint, dimOrigin1, expression1, Sketch::DimensionOptionCreateAsDriving);
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- // line2 dimension
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9 ]! P: g; I# M; K- Sketch::DimensionGeometry dimLine2_startPoint;* |+ o: Q' w9 j! \5 Y. ^) x4 A
- dimLine2_startPoint.Geometry = line2;
8 _$ q$ c( `% g) `! \% K' f, H - dimLine2_startPoint.AssocType = Sketch::AssocTypeStartPoint;0 C! f! D! v- q G
- dimLine2_startPoint.AssocValue = 0;0 K, V* A* B/ a% J2 n2 ? Y6 _
- dimLine2_startPoint.HelpPoint.X = 0.0;
! M2 i8 E1 M# q8 ?6 t! I3 K - dimLine2_startPoint.HelpPoint.Y = 0.0;
3 ^) z% |2 }0 Y) U4 h3 i. _3 @9 D - dimLine2_startPoint.HelpPoint.Z = 0.0;4 g ^8 g7 V7 V+ d/ {) G9 q
- dimLine2_startPoint.View = nullNXObject;
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- Sketch::DimensionGeometry dimLine2_endPoint;
' @; b3 r, _* M0 n: p$ f p6 ]7 p - dimLine2_endPoint.Geometry = line2;
% K$ X P) b0 r E - dimLine2_endPoint.AssocType = Sketch::AssocTypeEndPoint;
6 G* A" s$ T- q% {- X! x - dimLine2_endPoint.AssocValue = 0;
: `0 J2 X6 G4 R/ n" @4 @ - dimLine2_endPoint.HelpPoint.X = 0.0;
2 A/ e& r/ z2 Z5 S0 k - dimLine2_endPoint.HelpPoint.Y = 0.0;
6 r' h" u% J: U - dimLine2_endPoint.HelpPoint.Z = 0.0;
+ f" w$ |* U* ]" g. b" u - dimLine2_endPoint.View = nullNXObject;
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2 D9 H2 Z) ]8 O6 N- Point3d dimOrigin2(length /2,100 + height1, 0.0);& L h( z$ w" J4 @7 Y- R" K
6 \( C' w9 D* T- Q, a' O4 k- sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine2_startPoint, dimLine2_endPoint, dimOrigin2, expression2, Sketch::DimensionOptionCreateAsDriving);' r6 y( b* \0 a& G* k& x9 D
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8 R1 A1 Q7 B8 s8 ~7 s* ^1 G - // line3 dimension
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- Sketch::DimensionGeometry dimLine3_startPoint;/ L' t$ @5 q' o, P% V
- dimLine3_startPoint.Geometry = line3;
M4 c1 V# ^, {2 O0 k( }- y9 T! D6 F - dimLine3_startPoint.AssocType = Sketch::AssocTypeStartPoint;
: |) [1 g0 V4 d& g( Y - dimLine3_startPoint.AssocValue = 0;
% }5 N- Q: i! p - dimLine3_startPoint.HelpPoint.X = 0.0;7 ~& }: ]# \0 P% }. X' i4 g2 U
- dimLine3_startPoint.HelpPoint.Y = 0.0;
$ z$ s3 R! n- `: F& J5 A - dimLine3_startPoint.HelpPoint.Z = 0.0;: a V& P5 ^6 u, { T5 I7 j
- dimLine3_startPoint.View = nullNXObject;
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# { Q- I3 t8 ]- Sketch::DimensionGeometry dimLine3_endPoint;9 C$ `7 q8 Y, O+ w9 ^
- dimLine3_endPoint.Geometry = line3;
9 W; k: Z, D& F( U/ p9 Y$ M - dimLine3_endPoint.AssocType = Sketch::AssocTypeEndPoint;9 s5 w$ _0 B# A" ]) N1 R
- dimLine3_endPoint.AssocValue = 0;) r0 g4 V; A7 \
- dimLine3_endPoint.HelpPoint.X = 0.0;' B0 v% t, E$ D1 t
- dimLine3_endPoint.HelpPoint.Y = 0.0;- V- f1 B) w) R$ S: L) s' v
- dimLine3_endPoint.HelpPoint.Z = 0.0;, y1 d4 c |+ a
- dimLine3_endPoint.View = nullNXObject;
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- Point3d dimOrigin3( 100 + length, height1-height2+ height2 /2 , 0.0);
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. G7 R/ d9 d- P - sketch1->CreateDimension(Sketch::ConstraintTypeParallelDim, dimLine3_startPoint, dimLine3_endPoint, dimOrigin3, expression3, Sketch::DimensionOptionCreateAsDriving);
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- //5 update & deactive
1 `; T# a" c9 @4 \: Q- g; x3 d H - sketch1->Update();
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$ t) U+ m. |6 d) ?! L) J- sketch1->Deactivate(Sketch::ViewReorientFalse,Sketch::UpdateLevelModel);7 O8 w+ j G! e6 ]
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- delete expression1;
. @% q" v+ ?7 T; z. I" U8 r: ~ - delete expression2;9 Y0 Z' J" e/ ]
- delete expression3;
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- }
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