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  • 大小: 10KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2021-05-16
  • 語言: C/C++
  • 標簽: 等高線??自動生成??

資源簡介

Contour.cpp 2002/7/31 12:30 C++ Source 10 KB Contour.h 2002/7/31 12:45 C/C++ Header 5 KB GLContour.cpp 2002/1/9 17:56 C++ Source 1 KB GLContour.h 2002/7/31 12:16 C/C++ Header 2 KB ListContour.cpp 2002/7/31 12:48 C++ Source 14 KB ListContour.h 2002/7/31 12:42 C/C++ Header 3 KB

資源截圖

代碼片段和文件信息

//?Contour.cpp:?implementation?of?the?CContour?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
#include?“stdlib.h“
#include?“math.h“
#include?“Contour.h“

#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif?

double?TestFunction(double?xdouble?y)
{??
return?0.5*(cos(x+3.14/4)+sin(y+3.14/4));?
};

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

CContour::CContour()
{
m_iColFir=m_iRowFir=32;
m_iColSec=m_iRowSec=256;
m_dDx=m_dDy=0;
m_pFieldFcn=NULL;
m_pLimits[0]=m_pLimits[2]=0;
m_pLimits[1]=m_pLimits[3]=5.;
m_ppFnData=NULL;

//?temporary?stuff
m_pFieldFcn=TestFunction;
m_vPlanes.resize(20);
for?(UINT?i=0;i {
m_vPlanes[i]=(i-m_vPlanes.size()/2.0)*0.1;
}
}

CContour::~CContour()
{
CleanMemory();
}

void?CContour::InitMemory()
{
if?(!m_ppFnData)
{
m_ppFnData=new?CFnStr*[m_iColSec+1];
for?(int?i=0;i {
m_ppFnData[i]=NULL;
}
}
}

void?CContour::CleanMemory()
{
if?(m_ppFnData)
{
int?i;
for?(i=0;i {
if?(m_ppFnData[i])
delete[]?(m_ppFnData[i]);
}
delete[]?m_ppFnData;
m_ppFnData=NULL;
}
}

void?CContour::Generate()
{

int?i?j;
int?x3?x4?y3?y4?x?y?oldx3?xlow;
const?int?cols=m_iColSec+1;
const?int?rows=m_iRowSec+1;
double?xoffyoff;

//?Initialize?memroy?if?needed
InitMemory();

m_dDx?=?(m_pLimits[1]-m_pLimits[0])/(double)(m_iColSec);
xoff?=?m_pLimits[0];
m_dDy?=?(m_pLimits[3]-m_pLimits[2])/(double)(m_iRowSec);
yoff?=?m_pLimits[2];

xlow?=?0;
oldx3?=?0;
x3?=?(cols-1)/m_iRowFir;
x4?=?(?2*(cols-1)?)/m_iRowFir;
for?(x?=?oldx3;?x?<=?x4;?x++)?
{ ??/*?allocate?new?columns?needed
*/
if?(x?>=?cols)
break;
if?(m_ppFnData[x]==NULL)
m_ppFnData[x]?=?new?CFnStr[rows];

for?(y?=?0;?y? FnctData(xy)->m_sTopLen?=?-1;
}

y4?=?0;
for?(j?=?0;?j? {
y3?=?y4;
y4?=?((j+1)*(rows-1))/m_iColFir;
Cntr1(oldx3?x3?y3?y4);
}

for?(i?=?1;?i? {
y4?=?0;
for?(j?=?0;?j? {
y3?=?y4;
y4?=?((j+1)*(rows-1))/m_iColFir;
Cntr1(x3?x4?y3?y4);
}

y4?=?0;
for?(j?=?0;?j? {
y3?=?y4;
y4?=?((j+1)*(rows-1))/m_iColFir;
Pass2(oldx3x3y3y4);
}

if?(i? { ?/*?re-use?columns?no?longer?needed?*/
oldx3?=?x3;
x3?=?x4;
x4?=?((i+2)*(cols-1))/m_iRowFir;
for?(x?=?x3+1;?x?<=?x4;?x++)?
{
if?(xlow? {
if?(m_ppFnData[x])
delete[]?m_ppFnData[x];
m_ppFnData[x]?=?m_ppFnData[xlow];
m_ppFnData[?xlow++?]?=?NULL;
}?
else
if?(m_ppFnData[x]==NULL)
m_ppFnData[x]?=?new?CFnStr[rows];

for?(y?=?0;?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????9959??2002-07-31?12:30??contour_src\Contour.cpp

?????文件???????4394??2002-07-31?12:45??contour_src\Contour.h

?????文件????????569??2002-01-09?17:56??contour_src\GLContour.cpp

?????文件???????1295??2002-07-31?12:16??contour_src\GLContour.h

?????文件??????14206??2002-07-31?12:48??contour_src\ListContour.cpp

?????文件???????2147??2002-07-31?12:42??contour_src\ListContour.h

?????目錄??????????0??2017-10-21?20:49??contour_src

-----------?---------??----------?-----??----

????????????????32570????????????????????7


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