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wigmap.c
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wigmap.c
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/* Tworzenie mapy Wignera dla zbioru atomow (1996 03 01/31 04 16/ 05/16)
1997 05 21,27 1997 10 25; 1997 11 19/22 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "wigmap.h"
#include "proto.h"
#define ON 1
#define PI2M 12.566370614359F /* 6.2831853F Old Value */
#define EPSYLON 1.0e-8F
#define NAL(x,y) ((x)>=0 && (x)<SizeX && (y)>=0 && (y)<SizeY)
#define LOGSTAT(i,j) ((LogarytmStat==1) ? log(1.0F+WignerTab[i][j]) : \
WignerTab[i][j]) /* Skala logarytmiczna */
typedef unsigned short USHORT;
extern int prn; /* Drukowanie informacji pomocniczych */
int LogarytmStat=0; /* Licznenie mapy logarytmicznej */
static double SQR(double x)
{
return x*x;
}
static float GAMMA(float x,float Gamma)
{
return ((Gamma!=1.0) ? pow(x,Gamma) : x);
}
float **MakeTable(int n,int m) /* Alokacja 2D tablicy typu float */
{
const unsigned size=(unsigned)m*sizeof(float);
register int i,j;
float **ptr;
if((ptr=(float **)malloc((unsigned)n*sizeof(float *)))==NULL)
return NULL;
for(i=0 ; i<n ; i++)
{
if((ptr[i]=(float *)malloc(size))==NULL)
{
for(j=0 ; j<i ; j++)
free((void *)ptr[i]);
free((void *)ptr);
return NULL;
}
(void)memset((void *)ptr[i],0,size);
}
return ptr;
}
void FreeTable(float **ptr,int n) /* Zwolnienie pamieci po 2D tablicy float */
{
register int i;
if(ptr==NULL)
return;
for(i=0 ; i<n ; i++)
if(ptr[i]!=NULL)
free((void *)ptr[i]);
free((void *)ptr);
}
static void MakePalette(UCHAR paleta[])
{
register int i; /* Korekcja Gamma */
for(i=0 ; i<256 ; i++)
paleta[i]=(UCHAR)i;
}
static unsigned char Code(float x,float y,float x_min,float x_max,
float y_min,float y_max)
{
unsigned char ret=0; /* Kodowanie stanu konca odcinka */
if(x<x_min) ret|=1U;
if(x>x_max) ret|=2U;
if(y<y_min) ret|=4U;
if(y>y_max) ret|=8U;
return ret;
}
#define SWAP(X,Y) { ftmp= X ; X = Y; Y =ftmp; }
static int Clip(float xp,float yp,float xk,float yk,float x_min,
float x_max,float y_min,float y_max)
{
unsigned char p,k; /* Algorytm Cohena-Sutheranda */
float ftmp; /* okienkowania odcinka (obcinanie) */
for(;;)
{
p=Code(xp,yp,x_min,x_max,y_min,y_max);
k=Code(xk,yk,x_min,x_max,y_min,y_max);
if(p==0 && k==0)
return 0;
if((p & k)!=0)
break;
if(p==0)
{
p=k;
SWAP(xp,xk);
SWAP(yp,yk);
}
if((p & 1)!=0)
{
yp+=(x_min-xp)*(yk-yp)/(xk-xp);
xp=x_min;
}
else if((p & 2)!=0)
{
yp+=(x_min-xp)*(yk-yp)/(xk-xp);
xp=x_max;
}
else if((p & 4)!=0)
{
xp+=(y_min-yp)*(xk-xp)/(yk-yp);
yp=y_min;
}
else if((p & 8)!=0)
{
xp+=(y_min-yp)*(xk-xp)/(yk-yp);
yp=y_max;
}
}
return -1;
}
#undef SWAP
static int ClipRect(float xp,float yp,float d,float h,
float x_min,float x_max,float y_min,float y_max)
{
const float xk=xp+d,
yk=yp+h;
if(xp>x_min && xp<x_max) /* Caly prostokat w polu */
if(xk>x_min && xk<x_max)
if(yp>y_min && yp<y_max)
if(yk>y_min && yk<y_max)
return 1;
if(x_min>xp && x_min<xk) /* Odwrotne zawieranie */
if(x_max>xp && x_max<xk)
if(y_min>yp && y_min<yk)
if(y_max>yp && y_max<yk)
return 1;
/* Sprawdzamy krawedzie */
if(Clip(xp,yp,xk,yp,x_min,x_max,y_min,y_max)==0)
return 1;
if(Clip(xk,yp,xk,yk,x_min,x_max,y_min,y_max)==0)
return 1;
if(Clip(xk,yk,xp,yk,x_min,x_max,y_min,y_max)==0)
return 1;
if(Clip(xp,yk,xp,yp,x_min,x_max,y_min,y_max)==0)
return 1;
return 0; /* Poza polem zainteresowania */
}
void MakeWignerMap(PSBOOK book[],int IleAtomow,int SizeX,int SizeY,
int SizeBase,UCHAR *OutputTab[],float GammaCorect,
float SplitFactor,char *filename,int GenBitMap,float Crop)
{ /* Generacja mapy Wignera */
register int i,j,k,code,ZakresX,ZakresY,ii,jj,i0,j0,ok;
float dx,dy,u,s,e,w,min,max,skala,Const,tmp,**WignerTab;
UCHAR Paleta[257];
static double OldExp1,OldExp2,ConstStep1,ConstStep2,Factor1,Factor2,
ConstExp1,ConstExp2;
FILE *file;
if((WignerTab=MakeTable(SizeX,SizeY))==NULL)
{
fprintf(stderr,"Nie ma tyle pamieci !\n");
return;
}
if(SplitFactor<1.0F)
SplitFactor=1.0F;
if(GammaCorect<=1.0e-6F)
GammaCorect=1.0e-6F;
if(Crop<0.0F || Crop>1.0F)
Crop=1.0F;
MakePalette(Paleta);
dx=(float)SizeBase/(float)SizeX;
dy=(float)M_PI/(float)SizeY/SplitFactor;
for(i=0 ; i<SizeX ; i++)
for(j=0 ; j<SizeY ; j++)
{
WignerTab[i][j]=0.0F;
OutputTab[i][j]=0;
}
for(k=0 ; k<IleAtomow ; k++)
{
if(prn==1)
if((k%100)==0)
{
fprintf(stdout,"->%5d\r",k);
fflush(stdout);
}
s=book[k].s; u=book[k].t;
e=book[k].f;
w=book[k].w; /* *book[k].amplitude; */
w*=w;
Const=(float)sqrt(log(w/(2.0F*EPSYLON))/(PI2M*GammaCorect));
ok=1;
if(s==0) /* Dirac */
{
ZakresY=SizeY;
ZakresX=0;
}
else if(s==SizeBase) /* Fourier */
{
ZakresY=0;
ZakresX=SizeX;
}
else
{ /* Gabor */
ok=0;
ZakresY=(int)(PI2M*Const/(s*dy)+1.0F);
ZakresX=(int)(s*Const/dx+1.0);
}
i0=(int)(0.5F+u/dx);
if(i0>=SizeX) i0=SizeX-1;
j0=(int)(0.5F+e/dy);
if(NAL(i0,j0))
{
if(ZakresX>SizeX)
ZakresX=SizeX-1;
if(ZakresY>SizeY)
ZakresY=SizeY-1;
}
if(SplitFactor!=1.0F)
if(!ClipRect(i0-ZakresX,j0-ZakresY,2.0F*ZakresX,2.0F*ZakresY,
0.0F,SizeX-1.0F,0.0F,SizeY-1.0F))
continue; /* Testowanie obecnosci obszaru w wybranym fragmencie */
if(ok!=1)
{
ConstExp1=exp(-4.0*M_PI*SQR(dx/s)); /* Szybka implementacja */
Factor1=ConstExp1; /* generacji blobow Gabora */
ConstStep1=SQR(ConstExp1);
ConstExp2=exp(-4.0*M_PI*SQR(dy*s/PI2M));
OldExp1=1.0;
}
for(i=0 ; i<=ZakresX; i++)
{
if(ok!=1)
{
OldExp2=1.0; /* Szybka implementacja */
Factor2=ConstExp2; /* blobow Gabora CD ... */
ConstStep2=SQR(ConstExp2);
}
for(j=0 ; j<=ZakresY ; j++)
{
if(ok==1)
tmp=w; /* W przypadku sinusa i delty */
else /* Dirac'a */
{
tmp=w*(float)(OldExp1*OldExp2);
OldExp2*=Factor2;
Factor2*=ConstStep2;
}
ii=i0+i;
jj=j0+j;
if(NAL(ii,jj))
{
WignerTab[ii][jj]+=tmp;
OutputTab[ii][jj]=1;
}
jj=j0-j;
if(NAL(ii,jj) && jj!=j0)
{
WignerTab[ii][jj]+=tmp;
OutputTab[ii][jj]=1;
}
ii=i0-i;
if(NAL(ii,jj) && ii!=i0)
{
WignerTab[ii][jj]+=tmp;
OutputTab[ii][jj]=1;
}
jj=j0+j;
if(NAL(ii,jj) && ii!=i0 && jj!=j0)
{
WignerTab[ii][jj]+=tmp;
OutputTab[ii][jj]=1;
}
}
if(ok!=1)
{
OldExp1*=Factor1;
Factor1*=ConstStep1;
}
}
}
if(prn==1)
fprintf(stdout,"\n<<< RESKALOWANIE >>>\n");
min=max=GAMMA(LOGSTAT(0,0),GammaCorect);
for(i=0 ; i<SizeX ; i++)
for(j=0 ; j<SizeY ; j++) if(OutputTab[i][j]!=0)
{
WignerTab[i][j]=GAMMA(LOGSTAT(i,j),GammaCorect);
if(WignerTab[i][j]<min) min=WignerTab[i][j];
if(WignerTab[i][j]>max) max=WignerTab[i][j];
}
if(GenBitMap==GENBITMAP) /* Generacja bitmapy float'ow */
{
if((file=fopen(filename,"wb"))!=NULL)
{
float tmp;
if(prn==ON)
fprintf(stdout,"<<< ZAPIS PLIKU Z BITMAPA >>>\n");
for(i=0 ; i<SizeX ; i++)
for(j=0 ; j<SizeY ; j++)
{
if(OutputTab[i][j]!=0)
tmp=WignerTab[i][j];
else
tmp=0.0F;
fwrite((void *)&tmp,sizeof(float),1,file);
}
fclose(file);
if(prn==ON)
fprintf(stdout,"<<< KONIEC ZAPISU >>>\n");
}
}
else
{
if(prn==ON)
fprintf(stdout,"<<< KODOWANIE BITMAPY >>>\n");
max=min+Crop*(max-min);
if(max!=min)
skala=255.0F/(max-min);
else skala=1.0F;
for(i=0 ; i<SizeX ; i++)
for(j=0 ; j<SizeY ; j++)
if(OutputTab[i][j]!=0)
{
if(WignerTab[i][j]>max)
WignerTab[i][j]=max;
code=(int)(0.5F+skala*(WignerTab[i][j]-min));
if(code<0) code=0;
if(code>254) code=254;
OutputTab[i][j]=Paleta[code];
}
}
FreeTable(WignerTab,SizeX);
}
UCHAR **MakeTableUChar(int n,int dim) /* Funkcja eksportowana */
{ /* Alokacja 2D tablicy typu UCHAR */
const unsigned size=(unsigned)dim*sizeof(UCHAR);
register int i,j;
UCHAR **tab;
if((tab=(UCHAR **)malloc((unsigned)n*sizeof(UCHAR *)))==NULL)
return NULL;
for(i=0 ; i<n ; i++)
{
if((tab[i]=(UCHAR *)malloc(size))==NULL)
{
for(j=0 ; j<i ; j++)
free((void *)tab[j]);
free((void *)tab);
return NULL;
}
(void)memset((void *)tab[i],0,size);
}
return tab;
}
void FreeTableUChar(UCHAR **tab,int n)
{
register int i ; /* Zwolnienie pamieci po 2D tablicy UCHAR */
if(tab==NULL)
return;
for(i=0 ; i<n ; i++)
if(tab[i]!=NULL)
free((void *)tab[i]);
if(tab!=NULL)
free((void *)tab);
}
static USHORT **MakeTableUShort(int n,int dim)
{ /* Alokacja 2D tablicy typu USHORT */
const unsigned size=(unsigned)dim*sizeof(USHORT);
register int i,j;
USHORT **tab;
if((tab=(USHORT **)malloc((unsigned)n*sizeof(USHORT *)))==NULL)
return NULL;
for(i=0 ; i<n ; i++)
{
if((tab[i]=(USHORT *)malloc(size))==NULL)
{
for(j=0 ; j<i ; j++)
free((void *)tab[j]);
free((void *)tab);
return NULL;
}
(void)memset((void *)tab[i],0,size);
}
return tab;
}
static void FreeTableUShort(USHORT **tab,int n)
{
register int i ; /* Zwolnienie pamieci po 2D tablicy USHORT */
if(tab==NULL)
return;
for(i=0 ; i<n ; i++)
if(tab[i]!=NULL)
free((void *)tab[i]);
if(tab!=NULL)
free((void *)tab);
}
void MakeDyspersWignerMap(PSBOOK book[],int IleAtomow,int SizeX,int SizeY,int SizeBase,
UCHAR *OutputTab[],float GammaCorect,float SplitFactor,
char *filename,int GenBitMap,float Crop)
{ /* Generacja mapy Wignera */
register int i,j,k,code,ZakresX,ZakresY,ii,jj,i0,j0,ok;
float dx,dy,u,s,e,w,min,max,skala,Const,tmp,**WignerTab,
**SqrWignerMap=NULL;
UCHAR Paleta[257];
static double OldExp1,OldExp2,ConstStep1,ConstStep2,Factor1,Factor2,
ConstExp1,ConstExp2;
FILE *file;
USHORT **NTable=NULL;
if((WignerTab=MakeTable(SizeX,SizeY))==NULL ||
(SqrWignerMap=MakeTable(SizeX,SizeY))==NULL ||
(NTable=MakeTableUShort(SizeX,SizeY))==NULL)
{
fprintf(stderr,"Nie ma tyle pamieci !\n");
FreeTable(WignerTab,SizeX);
FreeTable(SqrWignerMap,SizeX);
FreeTableUShort(NTable,SizeX);
return;
}
if(SplitFactor<1.0F)
SplitFactor=1.0F;
if(GammaCorect<=1.0e-6F)
GammaCorect=1.0e-6F;
if(Crop<0.0F || Crop>1.0F)
Crop=1.0F;
MakePalette(Paleta);
dx=(float)SizeBase/(float)SizeX;
dy=(float)M_PI/(float)SizeY/SplitFactor;
for(i=0 ; i<SizeX ; i++)
for(j=0 ; j<SizeY ; j++)
{
SqrWignerMap[i][j]=WignerTab[i][j]=0.0F;
OutputTab[i][j]=0;
NTable[i][j]=0;
}
for(k=0 ; k<IleAtomow ; k++)
{
if(prn==1)
if((k%100)==0)
{
fprintf(stdout,"->%5d\r",k);
fflush(stdout);
}
s=book[k].s; u=book[k].t;
e=book[k].f;
w=book[k].w; /* *book[k].amplitude; */
w*=w;
Const=1.5F*sqrt(log(w/(2.0F*EPSYLON))/(PI2M*GammaCorect));
ok=1;
if(s==0) /* Dirac */
{
ZakresY=SizeY;
ZakresX=0;
}
else if(s==SizeBase) /* Fourier */
{
ZakresY=0;
ZakresX=SizeX;
}
else
{ /* Gabor */
ok=0;
ZakresY=(int)(PI2M*Const/(s*dy)+1.0F);
ZakresX=(int)(s*Const/dx+1.0);
}
i0=(int)(0.5F+u/dx);
if(i0>=SizeX) i0=SizeX-1;
j0=(int)(0.5F+e/dy);
if(NAL(i0,j0))
{
if(ZakresX>SizeX)
ZakresX=SizeX-1;
if(ZakresY>SizeY)
ZakresY=SizeY-1;
}
if(SplitFactor!=1.0F)
if(!ClipRect(i0-ZakresX,j0-ZakresY,2.0F*ZakresX,2.0F*ZakresY,
0.0F,SizeX-1.0F,0.0F,SizeY-1.0F))
continue; /* Testowanie obecnosci obszaru w wybranym fragmencie */
if(ok!=1)
{
ConstExp1=exp(-4.0*M_PI*SQR(dx/s)); /* Szybka implementacja */
Factor1=ConstExp1; /* generacji blobow Gabora */
ConstStep1=SQR(ConstExp1);
ConstExp2=exp(-4.0*M_PI*SQR(dy*s/PI2M));
OldExp1=1.0;
}
for(i=0 ; i<=ZakresX; i++)
{
if(ok!=1)
{
OldExp2=1.0; /* Szybka implementacja */
Factor2=ConstExp2; /* blobow Gabora CD ... */
ConstStep2=SQR(ConstExp2);
}
for(j=0 ; j<=ZakresY ; j++)
{
if(ok==1)
tmp=w; /* W przypadku sinusa i delty */
else /* Dirac'a */
{
tmp=w*(float)(OldExp1*OldExp2);
OldExp2*=Factor2;
Factor2*=ConstStep2;
}
ii=i0+i;
jj=j0+j;
if(NAL(ii,jj))
{
WignerTab[ii][jj]+=tmp;
SqrWignerMap[ii][jj]+=SQR(tmp);
NTable[ii][jj]++;
OutputTab[ii][jj]=1;
}
jj=j0-j;
if(NAL(ii,jj) && jj!=j0)
{
WignerTab[ii][jj]+=tmp;
SqrWignerMap[ii][jj]+=SQR(tmp);
NTable[ii][jj]++;
OutputTab[ii][jj]=1;
}
ii=i0-i;
if(NAL(ii,jj) && ii!=i0)
{
WignerTab[ii][jj]+=tmp;
SqrWignerMap[ii][jj]+=SQR(tmp);
NTable[ii][jj]++;
OutputTab[ii][jj]=1;
}
jj=j0+j;
if(NAL(ii,jj) && ii!=i0 && jj!=j0)
{
WignerTab[ii][jj]+=tmp;
SqrWignerMap[ii][jj]+=SQR(tmp);
NTable[ii][jj]++;
OutputTab[ii][jj]=1;
}
}
if(ok!=1)
{
OldExp1*=Factor1;
Factor1*=ConstStep1;
}
}
}
if(prn==1)
fprintf(stdout,"\n<<< RESKALOWANIE >>>\n");
for(i=0 ; i<SizeX ; i++) /* Wyznaczamy dyspersje */
for(j=0 ; j<SizeY ; j++)
if(OutputTab[i][j]!=0)
{
const float srednia=WignerTab[i][j]/NTable[i][j];
WignerTab[i][j]=SqrWignerMap[i][j]/NTable[i][j]-SQR(srednia);
}
min=max=GAMMA(LOGSTAT(0,0),GammaCorect);
for(i=0 ; i<SizeX ; i++)
for(j=0 ; j<SizeY ; j++) if(OutputTab[i][j]!=0)
{
WignerTab[i][j]=GAMMA(LOGSTAT(i,j),GammaCorect);
if(WignerTab[i][j]<min) min=WignerTab[i][j];
if(WignerTab[i][j]>max) max=WignerTab[i][j];
}
if(GenBitMap==GENBITMAP) /* Generacja bitmapy float'ow */
{
if((file=fopen(filename,"wb"))!=NULL)
{
float tmp;
if(prn==ON)
fprintf(stdout,"<<< ZAPIS PLIKU Z BITMAPA >>>\n");
for(i=0 ; i<SizeX ; i++)
for(j=0 ; j<SizeY ; j++)
{
if(OutputTab[i][j]!=0)
tmp=WignerTab[i][j];
else
tmp=0.0F;
fwrite((void *)&tmp,sizeof(float),1,file);
}
fclose(file);
if(prn==ON)
fprintf(stdout,"<<< KONIEC ZAPISU >>>\n");
}
}
else
{
if(prn==ON)
fprintf(stdout,"<<< KODOWANIE BITMAPY >>>\n");
max=min+Crop*(max-min);
if(max!=min)
skala=255.0F/(max-min);
else skala=1.0F;
for(i=0 ; i<SizeX ; i++)
for(j=0 ; j<SizeY ; j++)
if(OutputTab[i][j]!=0)
{
if(WignerTab[i][j]>max)
WignerTab[i][j]=max;
code=(int)(0.5F+skala*(WignerTab[i][j]-min));
if(code<0) code=0;
if(code>254) code=254;
OutputTab[i][j]=Paleta[code];
}
}
FreeTable(WignerTab,SizeX);
FreeTable(SqrWignerMap,SizeX);
FreeTableUShort(NTable,SizeX);
}