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大小: 3.8MB文件類型: .rar金幣: 2下載: 0 次發布日期: 2023-10-01
- 語言: 其他
- 標簽: B_spline??cur??Test_Bspline??
資源簡介
B樣條曲線反求控制點,已通過編譯,測試OK!
計算機圖形學必備知識!
代碼片段和文件信息
#include?“stdafx.h“
#include?“BSpline.h“
#include?“Math.h“
CBSpline::CBSpline（int?nType）
{
m_nCtlCount=2;
m_nType=nType;
}
CBSpline::CBSpline（CBSpline*?pBSpline）
{
m_nType=pBSpline->m_nType;
m_nCtlCount=pBSpline->m_nCtlCount;
for（int?i=0;im_pKnot.GetSize（）;i++）
m_pKnot.Add（pBSpline->m_pKnot[i]）;
for（i=0;im_ptControl.GetSize（）;i++）
m_ptControl.Add（pBSpline->m_ptControl[i]）;
for（i=0;im_ptCurve.GetSize（）;i++）
m_ptCurve.Add（pBSpline->m_ptCurve[i]）;
}
CBSpline::~CBSpline（）
{
m_ptControl.RemoveAll（）;
m_ptControl.RemoveAll（）;
m_pKnot.RemoveAll（）;
}
void?CBSpline::ReSetData（）
{
m_nCtlCount=2;
m_ptControl.RemoveAll（）;
m_ptControl.RemoveAll（）;
m_pKnot.RemoveAll（）;
}
double?CBSpline::base（int?iint?kdouble?u）
{
if（k==1）
{
if（（u>=m_pKnot[i]）&&（u
???? else
???? return?0;
}
if（k==4）
if（i==m_nCtlCount?&&?u==m_pKnot[m_nCtlCount]）
return?1;
return?DIV（（u-m_pKnot[i]）（m_pKnot[i+k-1]-m_pKnot[i]））*base（ik-1u）+
DIV（（m_pKnot[i+k]-u）（m_pKnot[i+k]-m_pKnot[i+1]））*base（i+1k-1u）;
}
void?CBSpline::AddPoint（CPoint?point）
{
m_ptCurve.Add（point）;
m_nCtlCount++;
int?nCount=m_ptCurve.GetSize（）;
if（m_pKnot.GetSize（）==0）
{
for（int?i=0;i<7;i++）
m_pKnot.Add（0.0）;
}
else
{
double?temp=（m_ptCurve[nCount-1].x-m_ptCurve[nCount-2].x）*
（m_ptCurve[nCount-1].x-m_ptCurve[nCount-2].x）;
temp+=（（m_ptCurve[nCount-1].y-m_ptCurve[nCount-2].y）*
（m_ptCurve[nCount-1].y-m_ptCurve[nCount-2].y））;
temp=sqrt（temp）;
nCount=m_pKnot.GetSize（）;
temp+=m_pKnot[nCount-1];
m_pKnot.SetAt（nCount-1temp）;
m_pKnot.SetAt（nCount-2temp）;
m_pKnot.SetAt（nCount-3temp）;
???? m_pKnot.Add（temp）;
}
}
void?CBSpline::MovePoint（CPoint?point）
{
int?nCount=m_nCtlCount-3;
m_ptCurve.SetAt（nCountpoint）;
????double?temp=（m_ptCurve[nCount].x-m_ptCurve[nCount-1].x）*
（m_ptCurve[nCount].x-m_ptCurve[nCount-1].x）;
temp+=（（m_ptCurve[nCount].y-m_ptCurve[nCount-1].y）*
（m_ptCurve[nCount].y-m_ptCurve[nCount-1].y））;
temp=sqrt（temp）;
nCount=m_pKnot.GetSize（）;
temp+=m_pKnot[nCount-5];
m_pKnot.SetAt（nCount-1temp）;
m_pKnot.SetAt（nCount-2temp）;
m_pKnot.SetAt（nCount-3temp）;
m_pKnot.SetAt（nCount-4temp）;
}
void?CBSpline::RemovePoint（）
{
m_ptCurve.RemoveAt（m_ptCurve.GetSize（）-1）;
m_nCtlCount--;
int?nCount=m_pKnot.GetSize（）;
m_pKnot.SetAt（nCount-4m_pKnot[nCount-5]）;
m_pKnot.SetAt（nCount-2m_pKnot[nCount-5]）;
m_pKnot.SetAt（nCount-3m_pKnot[nCount-5]）;
m_pKnot.RemoveAt（nCount-1）;
}
void?CBSpline::UpdateAll（）
{
int?i;
double?temp1temp2;
Matrix*?pMatrix=new?Matrix[m_nCtlCount];
????Matrix*?pLUMatrix=new?Matrix[m_nCtlCount];
????double*?pQx=new?double[m_nCtlCount];
double*?pQy=new?double[m_nCtlCount];
double*?pTempx=new?double[m_nCtlCount];
double*?pTempy=new?double[m_nCtlCount];
m_ptControl.RemoveAll（）;
m_ptControl.ReSize（m_nCtlCount）;
//第一與最后一點對應系 ?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????2166??2018-03-04?09:26??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\ArrayEx.h
?????文件???????9407??2008-12-19?09:47??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\BSpline.cpp
?????文件????????805??2017-12-06?12:21??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\BSpline.h
?????文件??????43549??2018-03-04?09:26??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\BSpline.obj
?????文件??????????0??2018-03-04?09:26??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\BSpline.sbr
?????文件??????20305??2017-12-06?01:19??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\MainFrm.obj
?????文件??????????0??2017-12-06?01:19??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\MainFrm.sbr
?????文件?????105972??2017-12-06?01:19??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\StdAfx.obj
?????文件????1375067??2017-12-06?01:19??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\StdAfx.sbr
?????文件????4891648??2018-10-23?23:13??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_Bspline.bsc
?????文件?????143465??2018-10-23?23:13??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_Bspline.exe
?????文件?????420688??2018-10-23?23:13??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_Bspline.ilk
?????文件??????23613??2018-10-23?22:31??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_Bspline.obj
?????文件????6878208??2017-12-06?01:19??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_Bspline.pch
?????文件?????508928??2018-10-23?22:31??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_Bspline.pdb
?????文件???????7472??2017-12-06?01:19??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_Bspline.res
?????文件??????????0??2018-10-23?22:31??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_Bspline.sbr
?????文件??????45828??2018-10-23?23:13??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_BsplineDoc.obj
?????文件??????????0??2018-10-23?23:13??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_BsplineDoc.sbr
?????文件??????35548??2018-10-23?23:13??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_BsplineView.obj
?????文件??????????0??2018-10-23?23:13??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\Test_BsplineView.sbr
?????文件?????222208??2019-01-28?20:05??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\vc60.idb
?????文件?????372736??2018-10-23?22:31??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\Debug\vc60.pdb
?????文件???????2653??2008-12-18?17:39??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\MainFrm.cpp
?????文件???????1591??2008-12-18?17:39??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\MainFrm.h
?????文件???????4420??2008-12-18?17:39??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\ReadMe.txt
?????文件???????1078??2008-12-18?17:39??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\res\Test_Bspline.ico
?????文件????????404??2008-12-18?17:39??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\res\Test_Bspline.rc2
?????文件???????1078??2008-12-18?17:39??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\res\Test_BsplineDoc.ico
?????文件???????1078??2008-12-18?17:39??B樣條曲線反求控制點\B樣條曲線反求控制點\B_spline?curve\res\Toolbar.bmp
............此處省略27個文件信息
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