Trisurf Monte Carlo simulator
Samo Penic
2019-02-11 36bc6d58f7f1b83ae07c00ce7f42755bedbcff18
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/* vim: set ts=4 sts=4 sw=4 noet : */
#include "general.h"
#include "vertex.h"
#include "initial_distribution.h"
#include "io.h"
#include "vesicle.h"
#include "sh.h"
#include "frame.c"
#include <math.h>
#include <stdlib.h>
int main(int argc, char *argv[]){
 
ts_fprintf(stdout,"SHdiscover was called with %d coefficients!\n",argc-1);
ts_uint n,i,j,l;
ts_int m;
ts_double fi,theta,r,Y;
ts_vesicle *vesicle=initial_distribution_dipyramid(17,60,60,60,0.15);
ts_vertex_list *vlist=vesicle->vlist;
centermass(vesicle);
ts_fprintf(stdout,"Vesicle has a CenterMass in %f,%f,%f\n",vesicle->cm[0],vesicle->cm[1], vesicle->cm[2]);
 
n=vlist->n;
 
ts_fprintf(stdout,"Tests\n");
ts_fprintf(stdout,"P(0,0,0.5)=%f (%f)\n",plgndr(0,0,0.5),1.0);
ts_fprintf(stdout,"P(1,0,0.5)=%f (%f)\n",plgndr(1,0,0.5),0.5);
ts_fprintf(stdout,"P(2,0,0.5)=%f (%f)\n",plgndr(2,0,0.5),0.5*(3*0.5*0.5-1));
ts_fprintf(stdout,"P(2,2,0.5)=%f (ni to:%f)\n",plgndr(2,2,0.5),0.5*(3*0.5*0.5-1));
 
ts_fprintf(stdout,"Y(0,0,pi/6,pi/4)=%f (%f)\n",shY(0,0,M_PI/6,M_PI/4),sqrt(1/(4*M_PI)));
ts_fprintf(stdout,"Y(1,0,pi/6,pi/4)=%f (%f)\n",shY(1,0,M_PI/6,M_PI/4),sqrt(3/(4*M_PI))*cos(M_PI/6));
ts_fprintf(stdout,"Y(1,0,4*pi/6,6*pi/4)=%f (%f)\n",shY(1,0,4*M_PI/6,6*M_PI/4),sqrt(3/(4*M_PI))*cos(4*M_PI/6));
ts_fprintf(stdout,"Y(1,1,pi/6,pi/4)=%f (%f)\n",shY(1,1,M_PI/6,M_PI/4),-sqrt(3/(8*M_PI))*sin(M_PI/6)*cos(M_PI/4));
ts_fprintf(stdout,"Y(2,0,pi/6,pi/4)=%f (%f)\n",shY(2,0,M_PI/6,M_PI/4),sqrt(5/(4*M_PI))*(3.0/2.0*cos(M_PI/6)*cos(M_PI/6)-1.0/2.0));
ts_fprintf(stdout,"Y(2,-2,pi/6,pi/4)=%f (0)\n",shY(2,-2,M_PI/6,M_PI/4));
ts_fprintf(stdout,"Y(2,2,pi/6,pi/3)=%f (%f)\n",shY(2,2,M_PI/6,M_PI/3), sqrt(15.0/(32.0*M_PI))*sin(M_PI/6)*sin(M_PI/6)*cos(2*M_PI/3));
    
    for(j=1;j<argc;j++){
        l=(int)sqrt(j-1); /* determine l from dataline */
        m=j-1-l*(l+1); /* determine m from dataline */
        ts_fprintf(stdout,"l=%d, m=%d, u=%s\n",l,m,argv[j]);
    }
 
/*we calculate new position of each vertex of vesicle */
for(i=0;i<n;i++){
    fi=atan2(vlist->vtx[i]->y, vlist->vtx[i]->x);
/*    theta=atan2(
        sqrt(vlist->vtx[i]->data->x*vlist->vtx[i]->data->x + 
        vlist->vtx[i]->data->y*vlist->vtx[i]->data->y),
        vlist->vtx[i]->data->z 
        ); */
    theta=acos(
        vlist->vtx[i]->z /
        sqrt(vlist->vtx[i]->x*vlist->vtx[i]->x + 
        vlist->vtx[i]->y*vlist->vtx[i]->y+
        vlist->vtx[i]->z*vlist->vtx[i]->z)
 
        );
 
 
 
    r=0.0;
    for(j=1;j<argc;j++){
        l=(int)sqrt(j-1); /* determine l from dataline */
        m=j-1-l*(l+1); /* determine m from dataline */
        Y=shY(l,m,theta,fi);
        r+=fabs(atof(argv[j])*Y);
        /*ts_fprintf(stdout,"l=%d, m=%d, u=%s\n",l,m,argv[j]);*/
    }
 
    vlist->vtx[i]->z=fabs(r)*cos(theta);
    vlist->vtx[i]->x=fabs(r)*sin(theta)*cos(fi);
    vlist->vtx[i]->y=fabs(r)*sin(theta)*sin(fi);
}
 
write_vertex_xml_file(vesicle,0);
write_master_xml_file("test.pvd");
 
 
vesicle_free(vesicle);
return 0;
}