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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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! A$ L' p3 M. B. S6 [源代码如下:
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using System;
& a$ q% K( R8 p% r: w$ \using System.Collections.Generic;6 c: z* t7 S2 N8 l0 {* j: T
using System.ComponentModel;+ L' ~! t; A6 `
using System.Data;
, w( e* l. q5 `using System.Drawing;
8 G2 k5 ?1 R0 m* D. B4 A( I9 }9 w# `; }using System.Text;
B; K0 {, \+ f2 J `1 I% t' x6 u& ]using System.Windows.Forms;- Y3 f) m" @4 F$ e
using PowerSolutionDOTNetOLE;
& ]0 N- ?, p( U) U+ D. P4 [) ]" Zusing System.Collections;
K+ q3 G4 G8 z, onamespace WindowsApplication12 I% c# R) h( ~8 [4 P
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public partial class Form1 : Form& W+ b" t& F# h1 E7 Y3 m
{
* T& Q% @8 K# R8 H ArrayList PointName = new ArrayList();
$ S! L! D5 W. e) t5 k, L7 ^* D ArrayList SurfaceName = new ArrayList();, w+ D! }5 f$ U* \( A0 |( h* | v
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5 F7 Q$ L+ l: r9 |4 d9 F3 L public Form1()
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InitializeComponent();
) y1 f0 _- c) Y2 O# h( H" F- } rboNO.Checked = true;! }5 z3 ^' k1 `; R# K
rboYes.Checked = false;' c6 K, x& K) t# A' _8 j/ R; |
bonEnter.Enabled = false;
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. ^1 g. W5 b2 y1 f: C- k; u% @ private void Form1_Load(object sender, EventArgs e)
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//窗体加载连接PS软件
* z! G2 ~ H8 R1 X1 @ clsPowerSHAPEOLE.Connect();
2 {# Y9 \9 x# D+ ^$ T if (clsPowerSHAPEOLE .IsPSConnected()== false )& Y/ e1 ~. u) q5 k
{
! A, W2 m! X) ~" x9 {- g3 O MessageBox.Show("没有打开PowerSHAPE","错误",MessageBoxButtons .OK,MessageBoxIcon.Error );
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}
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//执行投影
9 K- s7 ^+ f. j! ]0 W* y. M1 ^ 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
' [3 E3 ]. z+ }- b6 t( H1 v- \ foreach (string PT in PointName )" c; D0 X! \4 j
{
! O7 q: x" N# \! H- _ //初始化直线长度和曲线名称
' {0 P# {& H* s double LineLen = 0;
, N4 k( N2 L- F: F/ |2 t string minLineName = "";3 \6 Q4 L1 x( z
string backSelName = "";
8 b& P; ~' k1 P+ ?/ p# q2 A //一点和曲面产生直线并保留最短直线7 h, q9 x5 T6 t! H7 O L
clsPowerSHAPEOLE.Execute("REFRESH OFF");
. d& o. T* C" t2 Z: w X. l foreach (string Su in SurfaceName )
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* ?' @7 s% ]4 `5 T clsPowerSHAPEOLE.ClearSelection();
: s* a1 \, E$ c1 N clsPowerSHAPEOLE.Execute("add Symbol '" + PT + "'", "add Surface '" + Su + "'", "CREATE LINE ", "CREATE LINE MINDIST");5 C1 { d' ` m9 ~0 k
clsEntityType[] Sels = clsPowerSHAPEOLE.GetSelectedEntities();
1 o' G2 H$ [6 d( Y string SelName = ((clsPowerSHAPEOLE.GetSelectedEntities())[0].Name).ToString () ;# m4 k2 X) y$ R& O
if (LineLen == 0)0 K$ s$ V! ~, G, R4 z* u. w4 j
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LineLen = (double)(clsPowerSHAPEOLE.Evaluate("line[ " + SelName + "].length"));
/ w& [3 c. [4 _) H: `' c backSelName = SelName; //存储上一次产生的直线名称 ; y0 q' v3 e& [7 H& o% `5 n) N
minLineName = SelName; //存储最短直线的名称1 Q% [2 O O [. Q6 Y" {; k
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else
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, z0 m A- a* t( Z% B1 `5 y( w2 c double Temp = (double)(clsPowerSHAPEOLE.Evaluate("line[ " + SelName + "].length"));
& H% j& h7 k, |9 D" N* Z //判断当前直线长度与上次直线长度
a3 l% v. x7 u0 z if (Temp < LineLen)8 n/ z% G) z) y3 o/ }: J) H
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LineLen = Temp;
2 h1 y0 Y# T* J1 E9 k9 t% W clsPowerSHAPEOLE.ClearSelection();+ b, d7 e3 r% C1 p s
clsPowerSHAPEOLE.Execute("add line '" + backSelName + "'", "delete");
, Y. `) I2 m# R7 V" ] backSelName = SelName; //存储上一次产生的直线名称 # A4 v6 L3 q) K: _1 ~
minLineName = SelName; //存储最短直线的名称
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{
, A b- v$ t% R clsPowerSHAPEOLE.Execute("delete");
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//获取直线结束点的坐标
& H9 s% w' y5 M& H2 e% b double LineX= (double )clsPowerSHAPEOLE .Evaluate ("line["+ minLineName +"].end.x");0 k1 ^9 K G3 ^6 x Z5 Q- `* [
double LineY = (double)clsPowerSHAPEOLE.Evaluate("line[" + minLineName + "].end.y");: k" R; A: o+ S. |
double LineZ = (double)clsPowerSHAPEOLE.Evaluate("line[" + minLineName + "].end.z");
6 r- w/ t: m* b# K) w5 y: I //做出法向点
7 }, I& f" Q2 J! D' _ clsPowerSHAPEOLE.Execute("CREATE POINT SINGLE", LineX +" "+LineY +" "+LineZ , "cancel");
$ h8 h5 m; `& O8 G' Z clsPowerSHAPEOLE.ClearSelection();
) x6 {5 C6 h5 Z t$ l/ {+ R if (rboNO .Checked == true); [' I- n5 i( K% z+ {- [
{
, {/ s, j. T, [ clsPowerSHAPEOLE.Execute("add line '" + minLineName + "'", "delete", "REFRESH ON");
# ~- \. x+ G( ]2 S9 F clsPowerSHAPEOLE.Execute("delete");! g1 e- \2 |( ]& D# z
}
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clsPowerSHAPEOLE.Execute("REFRESH ON");
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1 f6 N4 w9 G/ m$ f3 E Timer1.Enabled = true;
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this.Close();
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private void button1_Click(object sender, EventArgs e)
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) Q0 Y0 m' j. c. n2 p9 I0 M) {$ ^" S+ c this.Close();* A, [) h! W9 `# M$ Q5 ^3 B1 B
}
# e; q3 K# y$ z0 l8 c$ m private void Timer1_Tick(object sender, EventArgs e)
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6 A3 O' l9 G0 O //清除所有选择的物件# z: h( O) [& P9 H! ]9 m
// clsPowerSHAPEOLE.ClearSelection();3 Z5 c: X, s3 N" r, B) s' I8 b3 H
//清空动态数组' m8 l/ K6 Q6 B) K) G0 v
PointName.Clear();- Q4 {* b& E u& z% I3 N& ~ ]
SurfaceName.Clear();
' Q+ j1 b4 r$ z //建立动态数组区分点和曲面
9 B$ p) B# C' M( c( ]/ D; J6 x6 E clsEntityType[] Sel = clsPowerSHAPEOLE.GetSelectedEntities();
( ~: J* H$ {9 d, ^" e O) X* n4 C if (Sel.Length == 0) l" x( v9 n! ~0 X
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lbltxt.Text = "维选择任何物件";% l) y" r1 D4 Y- U7 n5 {
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else5 ]$ e/ W& P, E- ]
{
9 `( C( y& l R; { foreach (clsEntityType Temp in Sel)" D8 B# Q: A9 Q7 N" j
{
4 h9 T* s: u* O% N if ((Temp.Type).ToString() == "Point")! R1 R3 L+ ]* _2 v/ D" }9 ?
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PointName.Add((Temp.Name).ToString());" O& W% X% i- }; A% e
}
6 f% `+ m$ ]" M1 D1 L" ^ else if ((Temp.Type).ToString() == "Surface")
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SurfaceName.Add((Temp.Name).ToString());. }; s/ b9 H- S- y- M
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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);/ G) ]2 o# Y1 W/ X+ f6 e0 L
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}
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lbltxt.Text = string.Format("以选择: {0}点{1}面", PointName.Count, SurfaceName.Count);
; o' q2 a) C7 O+ N // Timer1.Enabled = false;" _3 o6 ]) @' _. o8 H9 c- f; `
bonEnter.Enabled = true ;
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