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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,,
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8 Z& O& e# H, b4 }1 G源代码如下:
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' M. L# ^+ i) t! p+ V0 xusing System;7 Z! c7 E: B8 d: p3 V3 U
using System.Collections.Generic;
0 o; r3 n: j2 u- `3 S: Y7 Xusing System.ComponentModel;" y1 m' Q$ G, X3 e* H/ t9 R
using System.Data;
' V s* F. `4 Z( V/ a$ |4 ~using System.Drawing;# j7 ~. c8 u6 \& Q3 C) x/ Q
using System.Text;& K3 Y, s0 {4 I4 d* r
using System.Windows.Forms;8 g; F* E# ^% F5 K! c, G* Z" h
using PowerSolutionDOTNetOLE;( V8 S3 v; ?+ Y
using System.Collections;
( O2 s" _5 p* u2 M0 i9 s' enamespace WindowsApplication1
: i5 v& a( K( x' I8 F+ p{
" a7 p- w& S& R7 P public partial class Form1 : Form
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ArrayList PointName = new ArrayList();
, a4 J8 b b: ~) k1 ]! l$ ] ArrayList SurfaceName = new ArrayList();, `5 s$ A" E) O! Z! ]* A, r
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public Form1()9 H8 j& y3 [# b
{
9 b' I5 N) L* p5 u' V2 k9 } InitializeComponent();
c; D9 G. Y; a5 _5 ]/ j R rboNO.Checked = true;
3 }+ D0 X/ ^7 t- Q! u1 v rboYes.Checked = false;# j0 l% G3 j; e
bonEnter.Enabled = false;
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4 d; C7 K: Y# T3 J' d2 r private void Form1_Load(object sender, EventArgs e)
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//窗体加载连接PS软件5 j& h% g$ z2 z. W; {' \% J
clsPowerSHAPEOLE.Connect();3 J6 ^2 H; H2 [2 b
if (clsPowerSHAPEOLE .IsPSConnected()== false )2 W# ]# j3 z% @$ |. z9 D) M
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MessageBox.Show("没有打开PowerSHAPE","错误",MessageBoxButtons .OK,MessageBoxIcon.Error );
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. Z2 [, I8 Y( z9 p1 } //执行投影' l: D' [4 Y2 s+ }
private void Enter_Click(object sender, EventArgs e)1 C, w6 D6 e/ @5 t" s* t
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//判断最短距离,以点为循环条件0 B: V! \+ _3 `7 I O
foreach (string PT in PointName )* G5 N. [ b0 e
{
5 @% K4 {6 {1 n4 r4 b9 m4 N //初始化直线长度和曲线名称; I0 ^" @/ l/ }' W6 _9 f
double LineLen = 0;3 @5 e/ f1 _; R5 i- c S0 A: b# H
string minLineName = "";( W* B( [$ J1 k4 }9 t
string backSelName = "";
' b+ Y& V6 S+ L. K- y+ j //一点和曲面产生直线并保留最短直线: l/ { e9 ]2 L# G8 F- T
clsPowerSHAPEOLE.Execute("REFRESH OFF");5 Z& S) C5 L+ n0 R0 B3 B
foreach (string Su in SurfaceName )
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clsPowerSHAPEOLE.ClearSelection();
* ?. i7 T/ ?$ U/ r" _ clsPowerSHAPEOLE.Execute("add Symbol '" + PT + "'", "add Surface '" + Su + "'", "CREATE LINE ", "CREATE LINE MINDIST");7 ~/ T4 w& D* K9 x
clsEntityType[] Sels = clsPowerSHAPEOLE.GetSelectedEntities();
# A+ \: X/ [0 w/ r* q string SelName = ((clsPowerSHAPEOLE.GetSelectedEntities())[0].Name).ToString () ;
' q1 @ h4 Q" t7 H$ k if (LineLen == 0)1 p2 {) l/ [1 t2 W' ?6 f8 |
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LineLen = (double)(clsPowerSHAPEOLE.Evaluate("line[ " + SelName + "].length"));
( v" W; |: D0 H) T }! I2 w2 Y/ K backSelName = SelName; //存储上一次产生的直线名称 ) J0 a+ c" K& I$ b2 ^6 p
minLineName = SelName; //存储最短直线的名称
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double Temp = (double)(clsPowerSHAPEOLE.Evaluate("line[ " + SelName + "].length"));( X3 `& A+ f; |9 M
//判断当前直线长度与上次直线长度
# x% X1 v) E' G0 e9 V if (Temp < LineLen)
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LineLen = Temp;: V6 }& r% V, u w6 k) o
clsPowerSHAPEOLE.ClearSelection();. S! a$ X, M4 @% l7 @! ]
clsPowerSHAPEOLE.Execute("add line '" + backSelName + "'", "delete");7 J; L2 ?3 `/ B* N! `+ `, {
backSelName = SelName; //存储上一次产生的直线名称
% `1 M! X s- D. } minLineName = SelName; //存储最短直线的名称
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{
7 X0 n" G) p7 p+ |: w" |- b' D clsPowerSHAPEOLE.Execute("delete");# w' A; R- ]% z: `1 H6 [
}
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//获取直线结束点的坐标2 [+ P& n" ?& y+ l
double LineX= (double )clsPowerSHAPEOLE .Evaluate ("line["+ minLineName +"].end.x");6 J% M3 T: a5 q: W' n3 Z
double LineY = (double)clsPowerSHAPEOLE.Evaluate("line[" + minLineName + "].end.y");
* O3 R& J% C8 k double LineZ = (double)clsPowerSHAPEOLE.Evaluate("line[" + minLineName + "].end.z");4 | G- d; ^5 L5 K+ A! `
//做出法向点: ~- Q" t+ { o, b- S& s
clsPowerSHAPEOLE.Execute("CREATE POINT SINGLE", LineX +" "+LineY +" "+LineZ , "cancel");
7 N1 B. F+ k3 Q) U clsPowerSHAPEOLE.ClearSelection();
- b' V/ l9 f0 z: S+ r6 d6 u if (rboNO .Checked == true)1 G6 ?' Q$ j5 F- B/ L. N
{
& X8 I* ~+ S; ]8 j2 o! A5 t clsPowerSHAPEOLE.Execute("add line '" + minLineName + "'", "delete", "REFRESH ON");( w- T1 ], Z: N( T* l
clsPowerSHAPEOLE.Execute("delete");
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clsPowerSHAPEOLE.Execute("REFRESH ON");
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% o: x7 I& f) j) Y0 @3 h8 V7 p Timer1.Enabled = true;5 h$ d! E0 {$ ]& |! N
bonEnter.Enabled = false;
7 l, d! R6 u7 x7 V& l; h+ Q# l {9 t this.Close();. G' B& I6 y/ g! i# B2 r
}
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4 E) L- i; i$ @; H7 L1 Y private void button1_Click(object sender, EventArgs e)
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this.Close();
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private void Timer1_Tick(object sender, EventArgs e)
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7 l' I4 n7 n1 k. h% } //清除所有选择的物件
* T) @" h8 T! N0 z0 k4 { {* e // clsPowerSHAPEOLE.ClearSelection();# F) H4 m$ k* {6 W9 b
//清空动态数组
7 {* m2 O& g6 Y" I; U, k PointName.Clear();
1 p# g" H% l' l/ X/ j$ P SurfaceName.Clear();
J, t* \9 R# S5 ^- z, e //建立动态数组区分点和曲面
0 r2 D7 `+ |& e+ G clsEntityType[] Sel = clsPowerSHAPEOLE.GetSelectedEntities();' ?* n+ H+ Z# k3 G, _! Y+ f
if (Sel.Length == 0): R9 e; a) f, { Z1 v/ t
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lbltxt.Text = "维选择任何物件";
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{
3 s, r- g) d) P0 z( |5 r foreach (clsEntityType Temp in Sel)
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& A1 K8 i3 U( \7 w9 P$ W if ((Temp.Type).ToString() == "Point")% |5 k6 ~# v1 F7 M& Q' \
{
8 Q( l4 K( i1 x& h PointName.Add((Temp.Name).ToString());
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$ J0 v7 Y$ r9 o. N* ?0 |$ b' u2 t else if ((Temp.Type).ToString() == "Surface")( e* [" N* ?% p* c% b
{
4 X& C& M* M' W$ } Z SurfaceName.Add((Temp.Name).ToString());; k1 P6 h$ ^4 f$ Q |7 T0 c
}
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2 q/ g d5 N* `; {; L if (PointName.Count == 0 || SurfaceName.Count == 0)
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lbltxt.Text = string.Format("以选择: {0}点{1}面", PointName.Count, SurfaceName.Count);. z! J6 C6 g- r8 r, p
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else
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3 D: B R- Y0 r [) G lbltxt.Text = string.Format("以选择: {0}点{1}面", PointName.Count, SurfaceName.Count);+ [- W3 f7 C7 \* K' L
// Timer1.Enabled = false;
. V9 y( q/ ^+ A" Y& y- O( H bonEnter.Enabled = true ;
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}
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