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#include "adssub.h"
#include <math.h>
philippe.verley_ird.fr
committed
double Pi(void) {
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return 2*acos(0);
}
void progress(int i,int *l, int max) {
int nb=20;
int p=i*(nb+1)/max;
int j;
if(p>*l){
for(j=*l;j<p;j++) {
if(j==nb) {
Rprintf("ok\n");
}
else {
Rprintf(".");
}
}
*l=p;
}
}
/*double alea () {
double w;
w = ((double) rand())/ (double)RAND_MAX;
return (w);
}*/
/***********************************************************************/
/*--------------------------------------------------
* liberation de memoire pour un vecteur
--------------------------------------------------*/
void freeintvec (int *vec) {
free((char *) vec);
}
/*--------------------------------------------------
* Allocation de memoire dynamique pour un tableau (l1, c1)
--------------------------------------------------*/
void freetab (double **tab) {
int i, n;
n = *(*(tab));
for (i=0;i<=n;i++) {
free((char *) *(tab+i) );
}
free((char *) tab);
}
/*--------------------------------------------------
* liberation de memoire pour un vecteur
--------------------------------------------------*/
void freevec (double *vec) {
free((char *) vec);
}
/*--------------------------------------------------
* Allocation de memoire dynamique pour un tableau (l1, c1)
--------------------------------------------------*/
void taballoc (double ***tab, int l1, int c1) {
int i, j;
if ( (*tab = (double **) calloc(l1+1, sizeof(double *))) != 0) {
for (i=0;i<=l1;i++) {
if ( (*(*tab+i)=(double *) calloc(c1+1, sizeof(double))) == 0 ) {
return;
for (j=0;j<i;j++) {
free(*(*tab+j));
}
}
}
}
**(*tab) = l1;
**(*tab+1) = c1;
}
/*--------------------------------------------------
* Allocation de memoire dynamique pour un tableau
* d'entiers (l1, c1)
--------------------------------------------------*/
void tabintalloc (int ***tab, int l1, int c1) {
int i, j;
*tab = (int **) calloc(l1+1, sizeof(int *));
if ( *tab != NULL) {
for (i=0;i<=l1;i++) {
*(*tab+i)=(int *) calloc(c1+1, sizeof(int));
if ( *(*tab+i) == NULL ) {
for (j=0;j<i;j++) {
free(*(*tab+j));
}
return;
}
}
} else return;
**(*tab) = l1;
**(*tab+1) = c1;
for (i=1;i<=l1;i++) {
for (j=1;j<=c1;j++) {
(*tab)[i][j] = 0;
}
}
}
/*--------------------------------------------------
* Allocation de memoire dynamique pour un tableau
--------------------------------------------------*/
void freeinttab (int **tab) {
int i, n;
n = *(*(tab));
for (i=0;i<=n;i++) {
free((char *) *(tab+i) );
}
free((char *) tab);
}
/*--------------------------------------------------
* Allocation de memoire pour un vecteur de longueur n
--------------------------------------------------*/
void vecalloc (double **vec, int n) {
if ( (*vec = (double *) calloc(n+1, sizeof(double))) != 0) {
**vec = n;
return;
} else {
return;
}
}
/*--------------------------------------------------
* Allocation de memoire pour un vecteur d'entiers de longueur n
--------------------------------------------------*/
void vecintalloc (int **vec, int n) {
if ( (*vec = (int *) calloc(n+1, sizeof(int))) != NULL) {
**vec = n;
return;
} else {
return;
}
}
/*pour les triangles a exclure*/
double bacos(double a) {
double b;
if (a>=1)
b=0;
else if (a<=-1)
b=Pi();
else
b=acos(a);
return b;
}
/*Decale les valeurs de v de la valeur val*/
void decalVal(double *v, int n, double val) {
int i;
for(i=0;i<n;i++) {
v[i]=v[i]+val;
}
}
/*Decale les points et la fenetre rectangulaire*/
void decalRect(int point_nb,double *x, double *y,double *xmin, double *xmax, double *ymin, double *ymax) {
if(*xmin<0) {
decalVal(x,point_nb,-*xmin);
*xmax=*xmax-*xmin;
*xmin=0;
}
if(*ymin<0) {
decalVal(y,point_nb,-*ymin);
*ymax=*ymax-*ymin;
*ymin=0;
}
}
/*Decale les points et la fenetre circulaire*/
void decalCirc(int point_nb,double *x, double *y,double *x0, double *y0, double r0) {
int xmin=*x0-r0;
int ymin=*y0-r0;
if(xmin<0) {
decalVal(x,point_nb,-xmin);
*x0=*x0-xmin;
}
if(ymin<0) {
decalVal(y,point_nb,-ymin);
*y0=*y0-ymin;
}
}
/*Decale les points et la fenetre rectangulaire + triangles*/
void decalRectTri(int point_nb,double *x, double *y,double *xmin, double *xmax, double *ymin, double *ymax,
int tri_nb,double *ax, double *ay, double *bx, double *by, double *cx, double *cy) {
if(*xmin<0) {
decalVal(x,point_nb,-*xmin);
decalVal(ax,tri_nb,-*xmin);
decalVal(bx,tri_nb,-*xmin);
decalVal(cx,tri_nb,-*xmin);
*xmax=*xmax-*xmin;
*xmin=0;
}
if(*ymin<0) {
decalVal(y,point_nb,-*ymin);
decalVal(ay,tri_nb,-*ymin);
decalVal(by,tri_nb,-*ymin);
decalVal(cy,tri_nb,-*ymin);
*ymax=*ymax-*ymin;
*ymin=0;
}
}
/*Decale les points et la fenetre circulaire + triangles*/
void decalCircTri(int point_nb,double *x, double *y,double *x0, double *y0, double r0,
int tri_nb,double *ax, double *ay, double *bx, double *by, double *cx, double *cy) {
int xmin=*x0-r0;
int ymin=*y0-r0;
if(xmin<0) {
decalVal(x,point_nb,-xmin);
decalVal(ax,tri_nb,-xmin);
decalVal(bx,tri_nb,-xmin);
decalVal(cx,tri_nb,-xmin);
*x0=*x0-xmin;
}
if(ymin<0) {
decalVal(y,point_nb,-ymin);
decalVal(ay,tri_nb,-ymin);
decalVal(by,tri_nb,-ymin);
decalVal(cy,tri_nb,-ymin);
*y0=*y0-ymin;
}
}
/*Decale les points et la fenetre rectangulaire (semis bivarie)*/
void decalRect2(int point_nb1,double *x1, double *y1,int point_nb2,double *x2, double *y2,
double *xmin, double *xmax, double *ymin, double *ymax) {
if(*xmin<0) {
decalVal(x1,point_nb1,-*xmin);
decalVal(x2,point_nb2,-*xmin);
*xmax=*xmax-*xmin;
*xmin=0;
}
if(*ymin<0) {
decalVal(y1,point_nb1,-*ymin);
decalVal(y2,point_nb2,-*ymin);
*ymax=*ymax-*ymin;
*ymin=0;
}
}
/*Decale les points et la fenetre circulaire (semis bivarie)*/
void decalCirc2(int point_nb1,double *x1, double *y1,int point_nb2,double *x2, double *y2,
double *x0, double *y0, double r0) {
int xmin=*x0-r0;
int ymin=*y0-r0;
if(xmin<0) {
decalVal(x1,point_nb1,-xmin);
decalVal(x2,point_nb2,-xmin);
*x0=*x0-xmin;
}
if(ymin<0) {
decalVal(y1,point_nb1,-ymin);
decalVal(y2,point_nb2,-ymin);
*y0=*y0-ymin;
}
}
/*Decale les points et la fenetre rectangulaire + triangles (semis bivarie)*/
void decalRectTri2(int point_nb1,double *x1, double *y1,int point_nb2,double *x2, double *y2,
double *xmin, double *xmax, double *ymin, double *ymax,
int tri_nb,double *ax, double *ay, double *bx, double *by, double *cx, double *cy) {
if(*xmin<0) {
decalVal(x1,point_nb1,-*xmin);
decalVal(x2,point_nb2,-*xmin);
decalVal(ax,tri_nb,-*xmin);
decalVal(bx,tri_nb,-*xmin);
decalVal(cx,tri_nb,-*xmin);
*xmax=*xmax-*xmin;
*xmin=0;
}
if(*ymin<0) {
decalVal(y1,point_nb1,-*ymin);
decalVal(y2,point_nb2,-*ymin);
decalVal(ay,tri_nb,-*ymin);
decalVal(by,tri_nb,-*ymin);
decalVal(cy,tri_nb,-*ymin);
*ymax=*ymax-*ymin;
*ymin=0;
}
}
/*Decale les points et la fenetre circulaire + triangles (semis bivarie)*/
void decalCircTri2(int point_nb1,double *x1, double *y1,int point_nb2,double *x2, double *y2,
double *x0, double *y0, double r0,
int tri_nb,double *ax, double *ay, double *bx, double *by, double *cx, double *cy) {
int xmin=*x0-r0;
int ymin=*y0-r0;
if(xmin<0) {
decalVal(x1,point_nb1,-xmin);
decalVal(x2,point_nb2,-xmin);
decalVal(ax,tri_nb,-xmin);
decalVal(bx,tri_nb,-xmin);
decalVal(cx,tri_nb,-xmin);
*x0=*x0-xmin;
}
if(ymin<0) {
decalVal(y1,point_nb1,-ymin);
decalVal(y2,point_nb2,-ymin);
decalVal(ay,tri_nb,-ymin);
decalVal(by,tri_nb,-ymin);
decalVal(cy,tri_nb,-ymin);
*y0=*y0-ymin;
}
}
/*Decale les points d'echantillonnages (pour density)*/
void decalSample(int sample_nb,double *x, double *y, double xmin, double ymin) {
if(xmin<0) {
decalVal(x,sample_nb,-xmin);
}
if(ymin<0) {
decalVal(y,sample_nb,-ymin);
}
}
/*memory allocation for a table with variable row length*/
double** taballoca(int a,int *b)
{
double **t;
int i;
t = (double ** ) malloc (a * sizeof (double*));
for (i=0;i<a;i++)
{
t[i]=(double *)malloc(b[i+1] * a * sizeof(double));
}
return t;
}
/*create a table with variable row length*/
void complete_tab(int point_nb,double **xx,double **yy,int *type,int *compt,int *l, double *x,double *y){
int i;
for(i=0;i<point_nb;i++)
{
xx[type[i]-1][compt[type[i]]]=x[i];
yy[type[i]-1][compt[type[i]]]=y[i];
//Rprintf("%d,%d ::: %f, %f\n",type[i]-1,compt[type[i]],x[i],y[i]);
compt[type[i]]++;
}
return ;
}
philippe.verley_ird.fr
committed
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/*test wether points are inside a polygon (points on boundaries are considered outside)*/
void pnpoly(double *testx, double *testy, double *vertx, double *verty, int *npts, int *nvert, double *xmi, double *ymi, double *pxr, double *pyr, double *score) {
int i, j, k;
int nedg=*nvert;
/*so as to shift all coordinates to positive values only*/
/* if(*xmi<0) {
for(i=0;i<*npts;i++) {
testx[i]=testx[i]-*xmi;
}
for(i=0;i<*nvert;i++) {
vertx[i]=vertx[i]-*xmi;
}
for(i=0;i<2;i++) {
pxr[i]=pxr[i]-*xmi;
}
//decalVal(testx,*npts,-*xmi);
//decalVal(vertx,*nvert,-*xmi);
//decalVal(pxr,2,-*xmi);
}
if(*ymi<0) {
for(i=0;i<*npts;i++) {
testy[i]=testy[i]-*ymi;
}
for(i=0;i<*nvert;i++) {
verty[i]=verty[i]-*ymi;
}
for(i=0;i<2;i++) {
pyr[i]=pyr[i]-*ymi;
}
//decalVal(testy,*npts,-*ymi);
//decalVal(verty,*nvert,-*ymi);
//decalVal(pyr,2,-*ymi);
}*/
for(k=0;k<*npts;k++) {
score[k]=0;
//for (i=0, j=(nedg-1); i <nedg; j = i++) {
j=(nedg-1);
for (i=0; i <nedg; i++) {
if ((((verty[i] <= testy[k]) && (testy[k] < verty[j])) || ((verty[j] <= testy[k]) && (testy[k] < verty[i]))) && (testx[k] < (vertx[j] - vertx[i]) * (testy[k] - verty[i]) / (verty[j] - verty[i]) + vertx[i]))
{score[k] = 1;}
j=i;
}
// We're outside the polygon!
/*if (testx[k] <= pxr[1] || testx[k] >= pxr[2] || testy[k] <= pyr[1] || testy[k] >= pyr[2])
{score[k]=0;}*/
}
}