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tracepot.c
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Wed, Jan 15, 20:36

tracepot.c
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#include<stdio.h>
#include<math.h>
#include<fonction.h>
#include<constant.h>
#include<dimension.h>
#include<structure.h>
/****************************************************************/
/* nom: trace */
/* auteur: Jean-Paul Kneib */
/* date: 10/02/92 */
/* place: Toulouse */
/* */
/* Modified : */
/* EJ (30/08/2005)
*
* Write the pot.dat file on disk.
****************************************************************
* Fill the file pot.dat.
*
* For each clump, write :
* - 1 ellipse with the ct
*/
void tracepot()
{
const extern struct pot lens[];
const extern struct g_grille G;
const extern struct g_mode M;
FILE *OUT;
int i;
double aa, bb, Cx, Cy;
NPRINTF(stderr, "INFO: Write the pot.dat file\n");
OUT = fopen("pot.dat", "w");
fprintf( OUT, "#REFERENCE 0 %.7f %.7f\n", M.ref_ra, M.ref_dec );
for (i = 0; i < G.nlens; i++)
{
Cx = lens[i].C.x;
Cy = lens[i].C.y;
// define the center of the clump in WCS if defined
if ( M.iref != 0 )
{
Cy = Cy / 3600 + M.ref_dec;
Cx = -Cx / 3600 / cos(M.ref_dec * DTR) + M.ref_ra;
}
// create an ellipse for rcut or Re if PIEMD
// ct is defined in set_lens.c ( = b0*dlsds)
if (lens[i].ct == 0 && lens[i].type<81 && lens[i].type>89)
{
aa = lens[i].rcut / sqrt(1. - lens[i].emass);
bb = lens[i].rcut / sqrt(1. + lens[i].emass);
}
else if ( lens[i].ct != 0 )
{
aa = lens[i].ct / sqrt(1. - lens[i].emass);
bb = lens[i].ct / sqrt(1. + lens[i].emass);
}
else if (lens[i].type == 811)
{
// plot Re (ref Hjorth & Kneib Eq 13)
aa = (0.75 * lens[i].rcut + 0.125 * lens[i].rc ); //sqrt(1.-lens[i].emass);
bb = (0.75 * lens[i].rcut + 0.125 * lens[i].rc ); //sqrt(1.+lens[i].emass);
}
else if (i > G.nmsgrid && i < G.nlens)
{
aa = lens[i].rc / sqrt(1. - lens[i].emass);
bb = lens[i].rc / sqrt(1. + lens[i].emass);
}
else
{
aa = lens[i].ct / sqrt(1. - lens[i].emass);
bb = lens[i].ct / sqrt(1. + lens[i].emass);
};
/* aa,bb, ct and rcut are in arcsec */
// create 1 ellipse and 2 lines for the semi-axis
// the ellipse is for rcut or Re if PIEMD
fprintf(OUT, "%s %.7lf %.7lf %.4lf %.4lf %.2lf %.2lf\n",
lens[i].n, Cx, Cy, aa, bb, RTD*lens[i].theta, 0.);
fprintf(OUT, "%s %.6lf %.6lf %.4lf %.4lf %.2lf %.2lf\n",
lens[i].n, Cx, Cy, aa, 0., lens[i].theta*RTD, 0.);
fprintf(OUT, "%s %.7lf %.7lf %.4lf %.4lf %.2lf %.2lf\n",
lens[i].n, Cx, Cy, 0., bb, lens[i].theta*RTD, 0.);
// create an ellipse for b0/sigma
if (lens[i].type > 0)
{
if (lens[i].type != 8 && lens[i].type<81 && lens[i].type>89)
{
bb = lens[i].rc / sqrt(1. - lens[i].emass);
aa = lens[i].rc / sqrt(1. + lens[i].emass);
}
else
{
aa = sqrt(lens[i].b0) / sqrt(1. - lens[i].emass);
bb = sqrt(lens[i].b0) / sqrt(1. + lens[i].emass);
};
//lens[i].masse =
// plot an ellipse for b0/sigma
fprintf(OUT, "%s %.7lf %.7lf %.4lf %.4lf %.2lf %.2lf\n",
lens[i].n, Cx, Cy, aa, bb, RTD*lens[i].theta, lens[i].masse);
};
};
fclose(OUT);
}

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