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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,,$ l! j m* j/ {" V: j2 D9 R9 A
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; \, u. Q8 Q2 [4 Y源代码如下:
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- P' m7 G% g% e- v( B: X0 C9 W! {using System;
- C3 {+ `- J& T6 j# d- W: rusing System.Collections.Generic;
6 `0 l {% C9 P. @( c: \using System.ComponentModel;3 a9 K7 i' ^" h
using System.Data;, b, `6 Q. a3 R. |( ~3 U: c9 ]2 Y
using System.Drawing;
3 v( N: k |, G* }4 Tusing System.Text;
- X! d9 l1 {% r5 U. s/ p0 `using System.Windows.Forms;9 e- ^, h" Y; Z3 r2 i1 M
using PowerSolutionDOTNetOLE;
! P3 ~8 Q! B! y0 d* c+ k- Uusing System.Collections;
u3 j0 A2 `+ Z9 Nnamespace WindowsApplication1
$ l3 g4 I/ a6 B' }; S* \) f{
: X. P- t7 M! |: g& t public partial class Form1 : Form
" @+ i2 K% {- B- l+ T4 b+ D' M {
' I$ W8 Q1 g+ x' p3 C' ` ArrayList PointName = new ArrayList();
) J1 X5 T& F! T" i4 d: N" v ArrayList SurfaceName = new ArrayList();
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$ Z7 j" x( p4 Z+ e% a6 [6 F% l public Form1()" B' _; z! ~5 r& [. i* |6 |1 K' T
{
$ f7 k y9 m9 t% s InitializeComponent();+ M$ {+ {4 w7 U; W' `9 e9 w
rboNO.Checked = true;+ }3 j+ k8 P$ ~; E+ ?
rboYes.Checked = false;6 W6 b. }& m' N& K
bonEnter.Enabled = false;
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private void Form1_Load(object sender, EventArgs e)+ u6 I4 _- z6 `# d* i3 _+ q0 y ]
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//窗体加载连接PS软件
- z& r% j! A# i* Y- z9 {8 i& \ clsPowerSHAPEOLE.Connect(); A/ h" ~, u! L2 [& G: E4 n
if (clsPowerSHAPEOLE .IsPSConnected()== false )
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: o3 q- j+ R. w) g5 T' h, D MessageBox.Show("没有打开PowerSHAPE","错误",MessageBoxButtons .OK,MessageBoxIcon.Error );
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//执行投影
6 m* T7 }, s, h7 Z& I, e8 J private void Enter_Click(object sender, EventArgs e)2 I1 Q! N& ~% s: U% ]3 j, P
{
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//判断最短距离,以点为循环条件
6 p$ Z& a" }$ g& _ foreach (string PT in PointName ), p! {5 {) D2 |
{
' k5 K3 G$ j) C //初始化直线长度和曲线名称
( v. s( W: d1 s" Q4 S+ ~% Z double LineLen = 0;
- F6 [9 ]* V% q; t' F string minLineName = "";
5 A( ^3 s: y$ b5 _ string backSelName = "";; [7 O/ Q% x8 R
//一点和曲面产生直线并保留最短直线/ n# R2 {6 l( Q9 N+ x" ~
clsPowerSHAPEOLE.Execute("REFRESH OFF");8 k4 v5 s( F7 ~+ m
foreach (string Su in SurfaceName )
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$ ~. d; ~, z" g. g# r5 W: W clsPowerSHAPEOLE.ClearSelection();) Q* S- d _! F1 i
clsPowerSHAPEOLE.Execute("add Symbol '" + PT + "'", "add Surface '" + Su + "'", "CREATE LINE ", "CREATE LINE MINDIST");6 l: Q9 s2 d7 X
clsEntityType[] Sels = clsPowerSHAPEOLE.GetSelectedEntities();
1 g! O; \" d' h* R7 f string SelName = ((clsPowerSHAPEOLE.GetSelectedEntities())[0].Name).ToString () ;- ?: {2 @! k N, m, V+ P
if (LineLen == 0)9 ~2 ~, n& @, M' V* e8 k
{
& x0 x8 W% P0 f* c LineLen = (double)(clsPowerSHAPEOLE.Evaluate("line[ " + SelName + "].length"));" S! r; L; R) t8 s2 V8 q
backSelName = SelName; //存储上一次产生的直线名称
! W0 o" z: w. v; K, H" D6 o minLineName = SelName; //存储最短直线的名称' G* z0 {& }: \9 ~
}
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double Temp = (double)(clsPowerSHAPEOLE.Evaluate("line[ " + SelName + "].length"));7 I- R% {5 }. ~+ [, S7 f: }
//判断当前直线长度与上次直线长度 V$ k: @1 f2 g D) A
if (Temp < LineLen); l. h4 G5 r4 x' H; j+ T
{
# V( G6 E& s. M LineLen = Temp;
w ]# p5 Y) R1 }' Y clsPowerSHAPEOLE.ClearSelection();7 E; R. A( s9 u3 } y
clsPowerSHAPEOLE.Execute("add line '" + backSelName + "'", "delete");. w- r; N& {/ |9 o
backSelName = SelName; //存储上一次产生的直线名称 8 D4 @4 l" t- ~# G: W \/ C) d6 ]/ ~
minLineName = SelName; //存储最短直线的名称
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clsPowerSHAPEOLE.Execute("delete");
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//获取直线结束点的坐标" n3 Z7 z! K# F
double LineX= (double )clsPowerSHAPEOLE .Evaluate ("line["+ minLineName +"].end.x");
8 i* C5 {- G1 X4 M. m* p* C double LineY = (double)clsPowerSHAPEOLE.Evaluate("line[" + minLineName + "].end.y");
4 O H K) t% D% ^- Z double LineZ = (double)clsPowerSHAPEOLE.Evaluate("line[" + minLineName + "].end.z");
$ Y' Y# r( Z( Y; s' E //做出法向点
/ ?; R/ v+ K) B) P( Q; g6 m clsPowerSHAPEOLE.Execute("CREATE POINT SINGLE", LineX +" "+LineY +" "+LineZ , "cancel");
" D5 F. p8 k2 C8 n" L& k clsPowerSHAPEOLE.ClearSelection();
& U- I/ ~5 {7 Q: Z& t5 e. M4 i0 b1 m if (rboNO .Checked == true)- R9 C2 c& t$ o
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clsPowerSHAPEOLE.Execute("add line '" + minLineName + "'", "delete", "REFRESH ON");
& B) J) l7 ?1 j: s* X+ o clsPowerSHAPEOLE.Execute("delete");
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& R7 c' {) F5 T( \0 c else
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clsPowerSHAPEOLE.Execute("REFRESH ON");
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0 E0 ]* Y7 d! g" J Timer1.Enabled = true;
! h# c/ s. h- T. u# \' X) s bonEnter.Enabled = false;
% n5 R4 Z: a7 p( ]2 h this.Close();
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private void button1_Click(object sender, EventArgs e): O0 x$ w# l0 S6 a' a% h, Z, v
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this.Close();
4 J0 j' O- v' w7 b/ y; | }
R" g# k/ A( p! J private void Timer1_Tick(object sender, EventArgs e)+ z# ?+ k- g P
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//清除所有选择的物件$ z& z# d+ N; S
// clsPowerSHAPEOLE.ClearSelection();
, M. P( E/ ^3 g% V3 \( V; S //清空动态数组5 K6 T# Z7 i+ L8 @. [% L$ Y
PointName.Clear();
0 E/ b& o/ F+ G0 F G6 i SurfaceName.Clear();( n6 N) p4 B- L5 D# E: s$ w
//建立动态数组区分点和曲面0 v! f6 R' z% S0 Z X$ k$ g
clsEntityType[] Sel = clsPowerSHAPEOLE.GetSelectedEntities();
& b3 k3 ^( D$ t2 ?! I8 @9 C$ i if (Sel.Length == 0)
9 }" F" Y" ~5 U- b# X0 | {
/ o5 i8 L- q5 e t lbltxt.Text = "维选择任何物件";) `; v# L% W$ G1 v9 p4 _
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else
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foreach (clsEntityType Temp in Sel)4 r. o2 \$ Z$ b# W9 P5 ]
{
, t2 x4 l0 s) B2 Z if ((Temp.Type).ToString() == "Point")+ t' N' D! Y9 ~+ K) A0 `
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PointName.Add((Temp.Name).ToString());0 F g! ^0 J' k4 z
}
( ?+ U% r H& R5 \0 H else if ((Temp.Type).ToString() == "Surface")7 V! h8 {; q" ~2 _9 k
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SurfaceName.Add((Temp.Name).ToString());
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if (PointName.Count == 0 || SurfaceName.Count == 0): {- T/ _- ^0 z" g1 D
{
! r# h! n! W7 j. h" L6 Y+ n/ l lbltxt.Text = string.Format("以选择: {0}点{1}面", PointName.Count, SurfaceName.Count);
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else! z- s4 @8 ~6 v% p
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lbltxt.Text = string.Format("以选择: {0}点{1}面", PointName.Count, SurfaceName.Count);5 V% c3 R/ t C9 {3 W1 f, O9 }
// Timer1.Enabled = false;: Q6 y4 x& N' J2 V
bonEnter.Enabled = true ;0 S' u, E! |8 j
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