From 02d65c3c9baa0e76744ce001c55ec699ab3b956f Mon Sep 17 00:00:00 2001 From: Miha Fošnarič <miha.fosnaric@fe.uni-lj.si> Date: Mon, 11 Jul 2016 13:09:15 +0000 Subject: [PATCH] A fix in energy.c. Normals are summed now. --- src/initial_distribution.c | 244 +++++++++++++++++++++++++++++++++++------------- 1 files changed, 179 insertions(+), 65 deletions(-) diff --git a/src/initial_distribution.c b/src/initial_distribution.c index 0f59aec..dbdd0c4 100644 --- a/src/initial_distribution.c +++ b/src/initial_distribution.c @@ -1,3 +1,4 @@ +/* vim: set ts=4 sts=4 sw=4 noet : */ #include<stdlib.h> #include<math.h> #include<stdio.h> @@ -9,28 +10,139 @@ #include "triangle.h" #include "initial_distribution.h" #include "energy.h" +#include "poly.h" +#include "io.h" +#include "sh.h" +#include "shcomplex.h" ts_vesicle *initial_distribution_dipyramid(ts_uint nshell, ts_uint ncmax1, ts_uint ncmax2, ts_uint ncmax3, ts_double stepsize){ - ts_fprintf(stderr,"Starting initial_distribution on vesicle with %u shells!...\n",nshell); + ts_fprintf(stdout,"Starting initial_distribution on vesicle with %u shells!...\n",nshell); ts_bool retval; - ts_uint no_vertices=5*nshell*nshell+2; - - ts_vesicle *vesicle=init_vesicle(no_vertices,ncmax1,ncmax2,ncmax3,stepsize); - vesicle->nshell=nshell; - retval = vtx_set_global_values(vesicle); - retval = pentagonal_dipyramid_vertex_distribution(vesicle->vlist); - retval = init_vertex_neighbours(vesicle->vlist); - vesicle->vlist = init_sort_neighbours(vesicle->blist,vesicle->vlist); + ts_uint no_vertices=5*nshell*nshell+2; + ts_vesicle *vesicle=init_vesicle(no_vertices,ncmax1,ncmax2,ncmax3,stepsize); + vesicle->nshell=nshell; + //retval = vtx_set_global_values(vesicle); + retval = pentagonal_dipyramid_vertex_distribution(vesicle->vlist); + retval = init_vertex_neighbours(vesicle->vlist); + vesicle->vlist = init_sort_neighbours(vesicle->blist,vesicle->vlist); // retval = init_vesicle_bonds(vesicle); // bonds are created in sort_neigh - retval = init_triangles(vesicle); - retval = init_triangle_neighbours(vesicle); - retval = init_common_vertex_triangle_neighbours(vesicle); - retval = init_normal_vectors(vesicle->tlist); - retval = mean_curvature_and_energy(vesicle); - ts_fprintf(stderr,"initial_distribution finished!\n"); + retval = init_triangles(vesicle); + retval = init_triangle_neighbours(vesicle); + retval = init_common_vertex_triangle_neighbours(vesicle); + retval = init_normal_vectors(vesicle->tlist); + retval = mean_curvature_and_energy(vesicle); + ts_fprintf(stdout,"initial_distribution finished!\n"); if(retval); return vesicle; } + + + +ts_vesicle *create_vesicle_from_tape(ts_tape *tape){ + ts_vesicle *vesicle; + + vesicle=initial_distribution_dipyramid(tape->nshell,tape->ncxmax,tape->ncymax,tape->nczmax,tape->stepsize); + vesicle->tape=tape; + set_vesicle_values_from_tape(vesicle); + initial_population_with_c0(vesicle,tape); + return vesicle; +} + +ts_bool set_vesicle_values_from_tape(ts_vesicle *vesicle){ + // Nucleus: + ts_vertex *vtx; + ts_tape *tape=vesicle->tape; + vesicle->R_nucleus=tape->R_nucleus*tape->R_nucleus; + vesicle->R_nucleusX=tape->R_nucleusX*tape->R_nucleusX; + vesicle->R_nucleusY=tape->R_nucleusY*tape->R_nucleusY; + vesicle->R_nucleusZ=tape->R_nucleusZ*tape->R_nucleusZ; + vesicle->clist->dmin_interspecies = tape->dmin_interspecies*tape->dmin_interspecies; + + //Initialize grafted polymers (brush): + vesicle->poly_list=init_poly_list(tape->npoly,tape->nmono, vesicle->vlist, vesicle); + vesicle->spring_constant=tape->kspring; + poly_assign_spring_const(vesicle); + + //Initialize filaments (polymers inside the vesicle): + vesicle->filament_list=init_poly_list(tape->nfil,tape->nfono, NULL, vesicle); + poly_assign_filament_xi(vesicle,tape); + + ts_uint i,j; + for(i=0;i<vesicle->filament_list->n;i++){ + for(j=0;j<vesicle->filament_list->poly[i]->blist->n;j++){ + bond_vector(vesicle->filament_list->poly[i]->blist->bond[j]); + vesicle->filament_list->poly[i]->blist->bond[j]->bond_length = sqrt(vtx_distance_sq(vesicle->filament_list->poly[i]->blist->bond[j]->vtx1,vesicle->filament_list->poly[i]->blist->bond[j]->vtx2)); + } + } + + for(i=0;i<vesicle->filament_list->n;i++){ + for(j=0;j<vesicle->filament_list->poly[i]->vlist->n;j++){ + vtx = vesicle->filament_list->poly[i]->vlist->vtx[j]; + if(vtx->bond_no == 2){ + vtx->energy = -(vtx->bond[0]->x*vtx->bond[1]->x + vtx->bond[0]->y*vtx->bond[1]->y + vtx->bond[0]->z*vtx->bond[1]->z)/vtx->bond[0]->bond_length/vtx->bond[1]->bond_length; + } + } + } + + for(i=0;i<vesicle->filament_list->n;i++){ + vertex_list_assign_id(vesicle->filament_list->poly[i]->vlist,TS_ID_FILAMENT); + } + +// vesicle->spring_constant=tape->kspring; +// poly_assign_spring_const(vesicle); + + + vesicle->nshell=tape->nshell; + vesicle->dmax=tape->dmax*tape->dmax; /* dmax^2 in the vesicle dmax variable */ + vesicle->bending_rigidity=tape->xk0; + vtx_set_global_values(vesicle); /* make xk0 default value for every vertex */ +// ts_fprintf(stdout, "Tape setting: xk0=%e\n",tape->xk0); + vesicle->stepsize=tape->stepsize; + vesicle->clist->ncmax[0]=tape->ncxmax; + vesicle->clist->ncmax[1]=tape->ncymax; + vesicle->clist->ncmax[2]=tape->nczmax; + vesicle->clist->max_occupancy=8; /* hard coded max occupancy? */ + + vesicle->pressure= tape->pressure; + vesicle->pswitch=tape->pswitch; + if(tape->shc>0){ + vesicle->sphHarmonics=complex_sph_init(vesicle->vlist,tape->shc); + } + else { + vesicle->sphHarmonics=NULL; + } + + + return TS_SUCCESS; + +} + + +ts_bool initial_population_with_c0(ts_vesicle *vesicle, ts_tape *tape){ + int rndvtx,i,j; + if(tape->number_of_vertices_with_c0>0){ + ts_fprintf(stderr,"Setting values for spontaneous curvature as defined in tape\n"); + j=0; + for(i=0;i<tape->number_of_vertices_with_c0;i++){ + rndvtx=rand() % vesicle->vlist->n; + if(fabs(vesicle->vlist->vtx[rndvtx]->c-tape->c0)<1e-15){ + j++; + i--; + if(j>10*vesicle->vlist->n){ + fatal("cannot populate vesicle with vertices with spontaneous curvature. Too many spontaneous curvature vertices?",100); + } + continue; + } + vesicle->vlist->vtx[rndvtx]->c=tape->c0; + } + mean_curvature_and_energy(vesicle); + if(fabs(tape->w)>1e-16){ //if nonzero energy + ts_fprintf(stderr,"Setting attraction between vertices with spontaneous curvature\n"); + sweep_attraction_bond_energy(vesicle); + } + } + return TS_SUCCESS; +} ts_bool pentagonal_dipyramid_vertex_distribution(ts_vertex_list *vlist){ @@ -41,15 +153,15 @@ const ts_double c2= cos(4.0*M_PI/5.0); /* Calculates projection lenght of an edge bond to pentagram plane */ - const ts_double xl0=A0/(2.0*sin(M_PI/5.0)); + const ts_double xl0=DEF_A0/(2.0*sin(M_PI/5.0)); #ifdef TS_DOUBLE_DOUBLE - const ts_double z0=sqrt(pow(A0,2)-pow(xl0,2)); + const ts_double z0=sqrt(pow(DEF_A0,2)-pow(xl0,2)); #endif #ifdef TS_DOUBLE_FLOAT - const ts_double z0=sqrtf(powf(A0,2)-powf(xl0,2)); + const ts_double z0=sqrtf(powf(DEF_A0,2)-powf(xl0,2)); #endif #ifdef TS_DOUBLE_LONGDOUBLE - const ts_double z0=sqrtl(powl(A0,2)-powl(xl0,2)); + const ts_double z0=sqrtl(powl(DEF_A0,2)-powl(xl0,2)); #endif // const z0=sqrt(A0*A0 -xl0*xl0); /* I could use pow function but if pow is used make a check on the float type. If float then powf, if long double use powl */ @@ -64,40 +176,40 @@ ts_double dx,dy; // end loop prereq /* topmost vertex */ - vtx[1]->data->x=0.0; - vtx[1]->data->y=0.0; - vtx[1]->data->z=z0*(ts_double)nshell; + vtx[1]->x=0.0; + vtx[1]->y=0.0; + vtx[1]->z=z0*(ts_double)nshell; /* starting from to in circular order on pentagrams */ for(i=1;i<=nshell;i++){ n0=2+5*i*(i-1)/2; //-1 would be for the reason that C index starts from 0 - vtx[n0]->data->x=0.0; - vtx[n0]->data->y=(ts_double)i*xl0; - vtx[n0+i]->data->x=vtx[n0]->data->y*s1; - vtx[n0+i]->data->y=vtx[n0]->data->y*c1; - vtx[n0+2*i]->data->x=vtx[n0]->data->y*s2; - vtx[n0+2*i]->data->y=vtx[n0]->data->y*c2; - vtx[n0+3*i]->data->x=-vtx[n0+2*i]->data->x; - vtx[n0+3*i]->data->y=vtx[n0+2*i]->data->y; - vtx[n0+4*i]->data->x=-vtx[n0+i]->data->x; - vtx[n0+4*i]->data->y=vtx[n0+i]->data->y; + vtx[n0]->x=0.0; + vtx[n0]->y=(ts_double)i*xl0; + vtx[n0+i]->x=vtx[n0]->y*s1; + vtx[n0+i]->y=vtx[n0]->y*c1; + vtx[n0+2*i]->x=vtx[n0]->y*s2; + vtx[n0+2*i]->y=vtx[n0]->y*c2; + vtx[n0+3*i]->x=-vtx[n0+2*i]->x; + vtx[n0+3*i]->y=vtx[n0+2*i]->y; + vtx[n0+4*i]->x=-vtx[n0+i]->x; + vtx[n0+4*i]->y=vtx[n0+i]->y; } /* vertexes on the faces of the dipyramid */ for(i=1;i<=nshell;i++){ n0=2+5*i*(i-1)/2; // -1 would be because of C! for(j=1;j<=i-1;j++){ - dx=(vtx[n0]->data->x-vtx[n0+4*i]->data->x)/(ts_double)i; - dy=(vtx[n0]->data->y-vtx[n0+4*i]->data->y)/(ts_double)i; - vtx[n0+4*i+j]->data->x=(ts_double)j*dx+vtx[n0+4*i]->data->x; - vtx[n0+4*i+j]->data->y=(ts_double)j*dy+vtx[n0+4*i]->data->y; + dx=(vtx[n0]->x-vtx[n0+4*i]->x)/(ts_double)i; + dy=(vtx[n0]->y-vtx[n0+4*i]->y)/(ts_double)i; + vtx[n0+4*i+j]->x=(ts_double)j*dx+vtx[n0+4*i]->x; + vtx[n0+4*i+j]->y=(ts_double)j*dy+vtx[n0+4*i]->y; } for(k=0;k<=3;k++){ // I would be worried about zero starting of for - dx=(vtx[n0+(k+1)*i]->data->x - vtx[n0+k*i]->data->x)/(ts_double) i; - dy=(vtx[n0+(k+1)*i]->data->y - vtx[n0+k*i]->data->y)/(ts_double) i; + dx=(vtx[n0+(k+1)*i]->x - vtx[n0+k*i]->x)/(ts_double) i; + dy=(vtx[n0+(k+1)*i]->y - vtx[n0+k*i]->y)/(ts_double) i; for(j=1; j<=i-1;j++){ - vtx[n0+k*i+j]->data->x= (ts_double)j*dx+vtx[n0+k*i]->data->x; - vtx[n0+k*i+j]->data->y= (ts_double)j*dy+vtx[n0+k*i]->data->y; + vtx[n0+k*i+j]->x= (ts_double)j*dx+vtx[n0+k*i]->x; + vtx[n0+k*i+j]->y= (ts_double)j*dy+vtx[n0+k*i]->y; } } } @@ -105,15 +217,15 @@ for(i=1;i<=nshell;i++){ n0= 2+ 5*i*(i-1)/2; for(j=0;j<=5*i-1;j++){ - vtx[n0+j]->data->z= z0*(ts_double)(nshell-i); // I would be worried about zero starting of for + vtx[n0+j]->z= z0*(ts_double)(nshell-i); // I would be worried about zero starting of for } } /* for botom part of dipyramide we calculate the positions of vertices */ for(i=2+5*nshell*(nshell+1)/2;i<=vlist->n;i++){ - vtx[i]->data->x=vtx[vlist->n - i +1]->data->x; - vtx[i]->data->y=vtx[vlist->n - i +1]->data->y; - vtx[i]->data->z=-vtx[vlist->n - i +1]->data->z; + vtx[i]->x=vtx[vlist->n - i +1]->x; + vtx[i]->y=vtx[vlist->n - i +1]->y; + vtx[i]->z=-vtx[vlist->n - i +1]->z; } for(i=1;i<=vlist->n;i++){ @@ -141,7 +253,7 @@ for(i=1;i<=vlist->n;i++){ for(j=1;j<=vlist->n;j++){ dist2=vtx_distance_sq(vtx[i],vtx[j]); - if( (dist2>eps) && (dist2<(A0*A0+eps))){ + if( (dist2>eps) && (dist2<(DEF_A0*DEF_A0+eps))){ //if it is close enough, but not too much close (solves problem of comparing when i==j) vtx_add_neighbour(vtx[i],vtx[j]); } @@ -166,15 +278,16 @@ ts_double direct; // Something, dont know what, but could be normal of some kind for(i=1;i<=vlist->n;i++){ k++; // WHY i IS NOT GOOD?? - vtx_add_cneighbour(blist,tvtx[k], tvtx[vtx[i]->data->neigh[0]->idx+1]); //always add 1st + vtx_add_cneighbour(blist,tvtx[k], tvtx[vtx[i]->neigh[0]->idx+1]); //always add 1st jjj=1; jj=1; - for(l=2;l<=vtx[i]->data->neigh_no;l++){ - for(j=2;j<=vtx[i]->data->neigh_no;j++){ - dist2=vtx_distance_sq(vtx[i]->data->neigh[j-1],vtx[i]->data->neigh[jj-1]); - direct=vtx_direct(vtx[i],vtx[i]->data->neigh[j-1],vtx[i]->data->neigh[jj-1]); - if( (fabs(dist2-A0*A0)<=eps) && (direct>0.0) && (j!=jjj) ){ - vtx_add_cneighbour(blist,tvtx[k],tvtx[vtx[i]->data->neigh[j-1]->idx+1]); + for(l=2;l<=vtx[i]->neigh_no;l++){ + for(j=2;j<=vtx[i]->neigh_no;j++){ + dist2=vtx_distance_sq(vtx[i]->neigh[j-1],vtx[i]->neigh[jj-1]); + direct=vtx_direct(vtx[i],vtx[i]->neigh[j-1],vtx[i]->neigh[jj-1]); +// TODO: check if fabs can be used with all floating point types!! + if( (fabs(dist2-DEF_A0*DEF_A0)<=eps) && (direct>0.0) && (j!=jjj) ){ + vtx_add_cneighbour(blist,tvtx[k],tvtx[vtx[i]->neigh[j-1]->idx+1]); jjj=jj; jj=j; break; @@ -206,8 +319,8 @@ ts_uint i,j,k; for(i=1;i<=vlist->n;i++){ for(j=i+1;j<=vlist->n;j++){ - for(k=0;k<vtx[i]->data->neigh_no;k++){ // has changed 0 to < instead of 1 and <= - if(vtx[i]->data->neigh[k]==vtx[j]){ //if addresses matches it is the same + for(k=0;k<vtx[i]->neigh_no;k++){ // has changed 0 to < instead of 1 and <= + if(vtx[i]->neigh[k]==vtx[j]){ //if addresses matches it is the same bond_add(blist,vtx[i],vtx[j]); break; } @@ -232,14 +345,15 @@ ts_double eps=0.001; // can we use EPS from math.h? k=0; for(i=1;i<=vesicle->vlist->n;i++){ - for(j=1;j<=vtx[i]->data->neigh_no;j++){ - for(jj=1;jj<=vtx[i]->data->neigh_no;jj++){ + for(j=1;j<=vtx[i]->neigh_no;j++){ + for(jj=1;jj<=vtx[i]->neigh_no;jj++){ // ts_fprintf(stderr,"%u: (%u,%u) neigh_no=%u ",i,j,jj,vtx[i].neigh_no); // ts_fprintf(stderr,"%e, %e",vtx[i].neigh[j-1]->x,vtx[i].neigh[jj-1]->x); - dist=vtx_distance_sq(vtx[i]->data->neigh[j-1],vtx[i]->data->neigh[jj-1]); - direct=vtx_direct(vtx[i],vtx[i]->data->neigh[j-1],vtx[i]->data->neigh[jj-1]); - if(fabs(dist-A0*A0)<=eps && direct < 0.0 && vtx[i]->data->neigh[j-1]->idx+1 > i && vtx[i]->data->neigh[jj-1]->idx+1 >i){ - triangle_add(tlist,vtx[i],vtx[i]->data->neigh[j-1],vtx[i]->data->neigh[jj-1]); + dist=vtx_distance_sq(vtx[i]->neigh[j-1],vtx[i]->neigh[jj-1]); + direct=vtx_direct(vtx[i],vtx[i]->neigh[j-1],vtx[i]->neigh[jj-1]); +// TODO: same as above + if(fabs(dist-DEF_A0*DEF_A0)<=eps && direct < 0.0 && vtx[i]->neigh[j-1]->idx+1 > i && vtx[i]->neigh[jj-1]->idx+1 >i){ + triangle_add(tlist,vtx[i],vtx[i]->neigh[j-1],vtx[i]->neigh[jj-1]); } } } @@ -254,7 +368,7 @@ k++; } if(k!=3){ - fatal("Some triangles has less than 3 vertices..",4); + fatal("Some triangles have less than 3 vertices..",4); } } if(tlist->n!=2*(vesicle->vlist->n -2)){ @@ -334,11 +448,11 @@ ts_triangle **tria=tlist->tria -1; for(i=1;i<=vesicle->vlist->n;i++){ - for(j=1;j<=vtx[i]->data->neigh_no;j++){ - k1=vtx[i]->data->neigh[j-1]; + for(j=1;j<=vtx[i]->neigh_no;j++){ + k1=vtx[i]->neigh[j-1]; jp=j+1; - if(j == vtx[i]->data->neigh_no) jp=1; - k2=vtx[i]->data->neigh[jp-1]; + if(j == vtx[i]->neigh_no) jp=1; + k2=vtx[i]->neigh[jp-1]; for(k=1;k<=tlist->n;k++){ // VERY NON-OPTIMAL!!! too many loops (vlist.n * vtx.neigh * tlist.n )! k3=tria[k]->vertex[0]; k4=tria[k]->vertex[1]; -- Gitblit v1.9.3