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这个代码的功能是点以曲面的法向方向投影到曲面上,也就是点到曲面的最近点。有兴趣的参考下,这代码是本人原创的哦,,0 g: b, \+ m) x% C
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( c/ y" w8 x: W7 u+ t2 }源代码如下:4 r- [- h$ v( `8 d/ S: V5 b7 l1 _8 `
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using System;, m, R1 W- ?. g/ N5 K, A; _
using System.Collections.Generic;2 O! a8 M/ |6 E0 D K7 n0 h6 V6 t
using System.ComponentModel;
3 e9 m0 @+ u( Susing System.Data;' e, }6 f2 J: L5 [8 T A% o) ^
using System.Drawing;
* b1 h! F3 |7 x2 Rusing System.Text;
6 y0 P- ~; P9 @$ |using System.Windows.Forms;! G" O5 Q4 l! d- `
using PowerSolutionDOTNetOLE;
0 S: z c1 |7 B7 @8 ousing System.Collections;& s* p; ?4 y4 V
namespace WindowsApplication1
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public partial class Form1 : Form% V: Z, s7 t4 z) Q3 d, f* K% ~( O( l
{
; W; t, o; ^2 A5 F- T! b ArrayList PointName = new ArrayList();/ `' z, `. I Y2 N
ArrayList SurfaceName = new ArrayList();8 P% b4 ?. W1 T* k
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public Form1()/ g& w! S b/ g5 ~6 p0 r
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InitializeComponent();; N" b$ p% z0 D# a( Y M
rboNO.Checked = true;; d- R4 M8 u. Y: J% T
rboYes.Checked = false;/ e5 _# i$ A% {4 E/ P& L/ _" L- I
bonEnter.Enabled = false;
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& Q$ }- B& ~' m) C/ s# `9 a private void Form1_Load(object sender, EventArgs e)
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J6 C) w Q+ x6 Q //窗体加载连接PS软件
+ O6 }" X; p a. h0 X clsPowerSHAPEOLE.Connect();+ K4 m! u# S1 i! a6 R4 r$ m' P4 E6 n
if (clsPowerSHAPEOLE .IsPSConnected()== false )
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& f3 ^, |2 K& G MessageBox.Show("没有打开PowerSHAPE","错误",MessageBoxButtons .OK,MessageBoxIcon.Error );! r* ? O8 P9 h# _8 w$ L6 i6 t
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}
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$ N6 B, W* Z/ x9 ~3 O, s$ v //执行投影
+ G, @5 \) W' ?; J K9 `1 D7 \ private void Enter_Click(object sender, EventArgs e)
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//判断最短距离,以点为循环条件
1 n# R8 r- l/ G# r6 o5 | foreach (string PT in PointName )
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//初始化直线长度和曲线名称
# c- G1 T' S* O. N% V z& N( O double LineLen = 0;# A C5 M& O$ Y* ~4 ^7 C* l- { N8 g
string minLineName = ""; \6 s W1 K7 ~# D" Z9 |9 G
string backSelName = "";% Y; ?0 |$ L" d4 Y- B( O/ M! E0 Q- C
//一点和曲面产生直线并保留最短直线
+ ]% \) g9 r0 `# e7 m7 P clsPowerSHAPEOLE.Execute("REFRESH OFF");: v7 X, {( K; F. g( B) \3 b
foreach (string Su in SurfaceName )
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clsPowerSHAPEOLE.ClearSelection();
' f" c5 r1 \6 y1 C7 m9 w4 ~# c clsPowerSHAPEOLE.Execute("add Symbol '" + PT + "'", "add Surface '" + Su + "'", "CREATE LINE ", "CREATE LINE MINDIST");& j h2 X6 J" a8 W4 O; R' e7 h
clsEntityType[] Sels = clsPowerSHAPEOLE.GetSelectedEntities();! Z2 r# K! @0 p
string SelName = ((clsPowerSHAPEOLE.GetSelectedEntities())[0].Name).ToString () ;
& i8 O' _0 X4 [ Z if (LineLen == 0)
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LineLen = (double)(clsPowerSHAPEOLE.Evaluate("line[ " + SelName + "].length"));3 A, K6 C; \& i3 ^" {$ R- Y
backSelName = SelName; //存储上一次产生的直线名称
! Q6 O5 S2 o( B* Y/ f2 | minLineName = SelName; //存储最短直线的名称
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else ( R4 K7 W8 I# R A% m/ ^, X0 u
{
{6 p- `: V* D9 h/ l double Temp = (double)(clsPowerSHAPEOLE.Evaluate("line[ " + SelName + "].length"));
1 j7 Y$ s" q% O) [& B' T8 q# X& Q3 v //判断当前直线长度与上次直线长度0 F5 H/ ?% N+ Q' `* ^" a
if (Temp < LineLen)( P( B9 B1 \, G3 F7 k# h- L
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LineLen = Temp;
) [6 F7 z8 b$ b( Q clsPowerSHAPEOLE.ClearSelection();4 z0 n, ]6 i0 Q: p6 _5 G
clsPowerSHAPEOLE.Execute("add line '" + backSelName + "'", "delete");! Y3 a2 V8 t7 z' L. C
backSelName = SelName; //存储上一次产生的直线名称 ; O' k% P, R/ ]0 H- l# Q
minLineName = SelName; //存储最短直线的名称8 ~6 g; G' n$ l/ ]" j
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else. K- R, D/ K8 N, I6 y9 M- n
{
: M$ L; d4 q p9 @ clsPowerSHAPEOLE.Execute("delete");
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+ F$ r. `# F" M( W0 t* a //获取直线结束点的坐标" w8 k M! ~/ J3 S7 o% p
double LineX= (double )clsPowerSHAPEOLE .Evaluate ("line["+ minLineName +"].end.x");
/ ^" Z1 r# S+ R. U double LineY = (double)clsPowerSHAPEOLE.Evaluate("line[" + minLineName + "].end.y");7 X# @9 e/ R, ]0 B( | @
double LineZ = (double)clsPowerSHAPEOLE.Evaluate("line[" + minLineName + "].end.z");0 L' p. H! ?1 T
//做出法向点3 c5 L" h+ l- t6 Q7 D0 v
clsPowerSHAPEOLE.Execute("CREATE POINT SINGLE", LineX +" "+LineY +" "+LineZ , "cancel");
v) c6 M1 K& k& S" A% _! h- F clsPowerSHAPEOLE.ClearSelection();
: {( B% M" u( H' z+ m if (rboNO .Checked == true)
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* x S( p7 j6 s) o clsPowerSHAPEOLE.Execute("add line '" + minLineName + "'", "delete", "REFRESH ON");3 ~1 }0 r v! }* W# s1 u
clsPowerSHAPEOLE.Execute("delete");
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clsPowerSHAPEOLE.Execute("REFRESH ON");
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Timer1.Enabled = true;
: g, B o' D2 ~" M bonEnter.Enabled = false;% p6 S5 V: N- s* M1 p% q9 B0 m f1 X
this.Close();* Z' X3 ?( [, V7 O5 _
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private void button1_Click(object sender, EventArgs e)# y. R) U J7 J) i
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this.Close();' o1 z( }+ y" v, M( Y9 b$ R
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private void Timer1_Tick(object sender, EventArgs e)
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" D9 r1 ?2 m' P/ C/ b1 K: D //清除所有选择的物件
9 m( |8 x1 K& [' s // clsPowerSHAPEOLE.ClearSelection();( ~/ H5 }0 m! X6 J# I6 S
//清空动态数组
! \& d! u* }4 f+ M) o9 G& g5 R PointName.Clear();
% T% `' `8 e4 ^' d& S' } SurfaceName.Clear();
7 Z0 r( K# V7 q //建立动态数组区分点和曲面
5 j+ o+ i# E3 A clsEntityType[] Sel = clsPowerSHAPEOLE.GetSelectedEntities();
- }; l, b- C6 a4 m6 y6 Z; [) Z! R if (Sel.Length == 0)
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lbltxt.Text = "维选择任何物件";
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{
8 b1 D: O* R' t' g4 v: {1 \3 R foreach (clsEntityType Temp in Sel)
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if ((Temp.Type).ToString() == "Point")1 a( u& @" f% e7 {, q' [+ o. F
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PointName.Add((Temp.Name).ToString());* v1 X# x5 o' c4 ?& y9 x1 W
}
' {# ~* O+ W# g- o( d2 v else if ((Temp.Type).ToString() == "Surface")4 U+ ^, _# a" A6 p
{6 M2 t( ]4 Q: F; {
SurfaceName.Add((Temp.Name).ToString());
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if (PointName.Count == 0 || SurfaceName.Count == 0)
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0 z2 ^8 D" o7 X( k! X# d lbltxt.Text = string.Format("以选择: {0}点{1}面", PointName.Count, SurfaceName.Count);, {& D# q( c7 v! i5 K/ C
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( [% Z; Y% a; y5 @; H) g else
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lbltxt.Text = string.Format("以选择: {0}点{1}面", PointName.Count, SurfaceName.Count);. A5 \9 O {9 ^% x/ Y3 G+ \
// Timer1.Enabled = false;
6 A5 f9 d4 @! Z7 Q' T2 f# V bonEnter.Enabled = true ;
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}
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