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r_observ.c
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Sun, Jan 5, 02:10

r_observ.c
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#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>
#include<fonction.h>
#include<constant.h>
#include<dimension.h>
#include<structure.h>
#include<lt.h>
/****************************************************************/
/* Program : r_observ */
/* Version : 16 septembre 1992 */
/* Location : Obs. Toulouse */
/* Auteur : Henri */
/****************************************************************/
void r_observ(FILE *IN, FILE *OUT)
{
extern struct g_mode M;
extern struct g_observ O;
char second[20], third[FILENAME_SIZE+10];
double disp;
disp = 0.;
O.gain = 0.;
fmot(IN, second);
while (strcmp(second, "end"))
{
flire(IN, third);
CHECK_THIRD(FILENAME_SIZE+10)
if (!strcmp(second, "bruit"))
{
sscanf(third, "%d", &O.bruit);
fprintf(OUT, "\t%s\t\t%d\n", second, O.bruit);
}
else if ((!strcmp(second, "sky")) || (!strcmp(second, "SKY")))
{
sscanf(third, "%lf", &O.SKY);
fprintf(OUT, "\t%s\t\t%lf\n", second, O.SKY);
}
else if (!strcmp(second, "idum"))
{
sscanf(third, "%d", &O.idum);
fprintf(OUT, "\t%s\t\t%d\n", second, O.idum);
}
else if (!strcmp(second, "dispersion"))
{
sscanf(third, "%lf", &disp);
fprintf(OUT, "\t%s\t\t%lf\n", second, disp);
}
else if (!strcmp(second, "gain"))
{
sscanf(third, "%lf", &O.gain);
fprintf(OUT, "\t%s\t\t%lf\n", second, O.gain);
}
else if (!strcmp(second, "prec"))
{
sscanf(third, "%lf", &O.prec);
fprintf(OUT, "\t%s\t\t%lf\n", second, O.prec);
}
else if (!strcmp(second, "binning"))
{
sscanf(third, "%d%d", &O.setbin, &O.bin);
fprintf(OUT, "\t%s\t\t%d %d\n", second, O.setbin, O.bin);
}
else if (!strcmp(second, "seeing"))
{
sscanf(third, "%d%lf", &O.setseeing, &O.seeing);
if (O.setseeing) {O.setseeing=1;}
O.r0st = O.seeing / sqrt(log(2.));
O.r0st = O.r0st * O.r0st;
fprintf(OUT, "\t%s\t\t%d %lf\n", second, O.setseeing, O.seeing);
}
else if (!strcmp(second, "seeing_e"))
{
sscanf(third, "%d%lf%lf%lf", &O.setseeing, &O.seeing_a, &O.seeing_b, &O.seeing_angle);
if (O.setseeing) {O.setseeing=2;}
O.r0st_a = O.seeing_a / sqrt(log(2.));
O.r0st_b = O.seeing_b / sqrt(log(2.));
O.r0st_a = O.r0st_a * O.r0st_a;
O.r0st_b = O.r0st_b * O.r0st_b;
fprintf(OUT, "\t%s\t\t%d %lf %lf %lf\n", second, O.setseeing, O.seeing_a, O.seeing_b, O.seeing_angle);
}
else if (!strcmp(second, "psf"))
{
sscanf(third, "%d%s", &O.setseeing, O.psffile);
if (O.setseeing) {O.setseeing=3;}
}
// Read the next line
fmot(IN, second);
}
fprintf(OUT, "\t%s\n", second);
if ((O.bruit != 0) && (O.gain == 0.))
{
if (disp != 0)
O.gain = O.SKY / disp / disp;
else
{
NPRINTF(stderr, "WARNING: ain or dispersion not defined, no noise will be added\n");
O.bruit = 0;
}
}
}

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