From 36bc6d58f7f1b83ae07c00ce7f42755bedbcff18 Mon Sep 17 00:00:00 2001 From: Samo Penic <samo.penic@gmail.com> Date: Mon, 11 Feb 2019 21:17:55 +0000 Subject: [PATCH] Fixed duplicated stretchswitch and xkA0 while parsing tape --- src/poly.c | 280 ++++++++++++++++++++++++++++++++++++++++++++++++-------- 1 files changed, 240 insertions(+), 40 deletions(-) diff --git a/src/poly.c b/src/poly.c index 05566d0..bcf01e5 100644 --- a/src/poly.c +++ b/src/poly.c @@ -1,17 +1,42 @@ +/* vim: set ts=4 sts=4 sw=4 noet : */ #include"general.h" #include"poly.h" #include<stdlib.h> #include"vertex.h" #include"bond.h" #include<math.h> +#include"energy.h" +#include"cell.h" +#include"frame.h" +ts_bool poly_assign_filament_xi(ts_vesicle *vesicle, ts_tape *tape){ + ts_uint i; + for(i=0;i<vesicle->filament_list->n;i++){ + vesicle->filament_list->poly[i]->k = tape->xi; + } + + return TS_SUCCESS; +} + + +ts_bool poly_assign_spring_const(ts_vesicle *vesicle){ + ts_uint i; + + for(i=0;i<vesicle->poly_list->n;i++){ + vesicle->poly_list->poly[i]->k = vesicle->spring_constant; + } + + return TS_SUCCESS; +} ts_poly *init_poly(ts_uint n, ts_vertex *grafted_vtx){ ts_poly *poly=(ts_poly *)calloc(1,sizeof(ts_poly)); poly->vlist = init_vertex_list(n); poly->blist = init_bond_list(); - poly->grafted_vtx = grafted_vtx; - grafted_vtx->grafted_poly = poly; + if (grafted_vtx!=NULL){ + poly->grafted_vtx = grafted_vtx; + grafted_vtx->grafted_poly = poly; + } ts_uint i; for(i=0;i<n-1;i++){ @@ -19,54 +44,189 @@ vtx_add_neighbour(poly->vlist->vtx[i+1], poly->vlist->vtx[i]); } + for(i=0;i<poly->blist->n;i++){ + poly->blist->bond[i]->bond_length=sqrt(vtx_distance_sq(poly->blist->bond[i]->vtx1,poly->blist->bond[i]->vtx2)); + bond_energy(poly->blist->bond[i],poly); + } + vertex_list_assign_id(poly->vlist,TS_ID_FILAMENT); return poly; } -ts_poly_list *init_poly_list(ts_uint n_poly, ts_uint n_mono, ts_vertex_list *vlist){ + +ts_bool poly_initial_distribution(ts_poly_list *poly_list, ts_int i, ts_vesicle *vesicle){ + /* Make straight grafted poylmers normal to membrane (polymer brush). Dist. between poly vertices put to 1*/ + ts_double xnorm,ynorm,znorm,normlength; + ts_int intpoly=vesicle->tape->internal_poly; + ts_int cellidx; + ts_double posX,posY,posZ,prevPosX,prevPosY,prevPosZ, phi,costheta,sintheta; + ts_bool retval; + ts_int j,k,l,m; + xnorm=0.0; + ynorm=0.0; + znorm=0.0; + for (j=0;j<poly_list->poly[i]->grafted_vtx->tristar_no;j++){ + xnorm-=poly_list->poly[i]->grafted_vtx->tristar[j]->xnorm; + ynorm-=poly_list->poly[i]->grafted_vtx->tristar[j]->ynorm; + znorm-=poly_list->poly[i]->grafted_vtx->tristar[j]->znorm; + } + normlength=sqrt(xnorm*xnorm+ynorm*ynorm+znorm*znorm); + if(intpoly && i%2){ + normlength=-normlength; + } + xnorm=xnorm/normlength; + ynorm=ynorm/normlength; + znorm=znorm/normlength; + //prepare starting position for building the polymeres + prevPosX=poly_list->poly[i]->grafted_vtx->x; + prevPosY=poly_list->poly[i]->grafted_vtx->y; + prevPosZ=poly_list->poly[i]->grafted_vtx->z; + for (j=0;j<poly_list->poly[i]->vlist->n;j++){ + //if(j==0){ + posX=prevPosX+xnorm*(vesicle->clist->dmin_interspecies); + posY=prevPosY+ynorm*(vesicle->clist->dmin_interspecies); + posZ=prevPosZ+znorm*(vesicle->clist->dmin_interspecies); + //}else{ + // posX=prevPosX+xnorm; + // posY=prevPosY+ynorm; + // posZ=prevPosZ+znorm; + //} + //trying to go towards normal + k=0; + while(1){ + poly_list->poly[i]->vlist->vtx[j]->x = posX; + poly_list->poly[i]->vlist->vtx[j]->y = posY; + poly_list->poly[i]->vlist->vtx[j]->z = posZ; + cellidx=vertex_self_avoidance(vesicle, poly_list->poly[i]->vlist->vtx[j]); + retval=cell_occupation_number_and_internal_proximity(vesicle->clist,cellidx,poly_list->poly[i]->vlist->vtx[j]); + if(retval==TS_SUCCESS){ + retval=cell_add_vertex(vesicle->clist->cell[cellidx],poly_list->poly[i]->vlist->vtx[j]); + break; + } + else{ + // printf("%d %d Cannot put the vertex here. Finding another position\n",i,j); + //randomly change the direction. + m=0; + //we must move first vertex into the vesicle if the normal is in or out of the vesicle if the normal is out + do{ + costheta=2.0*drand48()-1.0; + sintheta=sqrt(1-pow(costheta,2)); + phi=drand48()*2.0*M_PI; + if(j==0){ + //for special cases, when we are on the edge of bipyramid the distance od dmin_interspecies is not enough + posX=prevPosX+vesicle->dmax*sintheta*cos(phi); + posY=prevPosY+vesicle->dmax*sintheta*sin(phi); + posZ=prevPosZ+vesicle->dmax*costheta; + + } else { + posX=prevPosX+vesicle->clist->dmin_interspecies*sintheta*cos(phi); + posY=prevPosY+vesicle->clist->dmin_interspecies*sintheta*sin(phi); + posZ=prevPosZ+vesicle->clist->dmin_interspecies*costheta; + } + m++; + if(m>1000) { + k=9999; //break also ot of the outer loop + printf("was here\n"); + break; + } + } + while((xnorm*(poly_list->poly[i]->grafted_vtx->x-posX)+ynorm*(poly_list->poly[i]->grafted_vtx->y-posY)+znorm*(poly_list->poly[i]->grafted_vtx->z-posZ))>0.0 && j==0); + } + k++; + if(k>1000){ + //undo changes to the cell + for(l=0;l<j;l++){ + cellidx=vertex_self_avoidance(vesicle, poly_list->poly[i]->vlist->vtx[l]); + cell_remove_vertex(vesicle->clist->cell[cellidx],poly_list->poly[i]->vlist->vtx[l]); + } + return TS_FAIL; + } + } + prevPosX=posX; + prevPosY=posY; + prevPosZ=posZ; + } + printf("did it\n"); + return TS_SUCCESS; + +} + + +ts_poly_list *init_poly_list(ts_uint n_poly, ts_uint n_mono, ts_vertex_list *vlist, ts_vesicle *vesicle){ ts_poly_list *poly_list=(ts_poly_list *)calloc(1,sizeof(ts_poly_list)); poly_list->poly = (ts_poly **)calloc(n_poly,sizeof(ts_poly *)); - ts_uint i=0,j=0, idx; + ts_uint i=0,j=0; //idx; ts_uint gvtxi; - ts_double xnorm,ynorm,znorm,normlength; - - if (n_poly > vlist->n){fatal("Number of polymers larger then numbero f vertices on a vesicle.",310);} - - while(i<n_poly){ - gvtxi = rand() % vlist->n; - if (vlist->vtx[gvtxi]->grafted_poly == NULL){ - poly_list->poly[i] = init_poly(n_mono, vlist->vtx[gvtxi]); - i++; + ts_bool retval; + ts_double dphi,dh; + cell_occupation(vesicle); //needed for evading the membrane + // Grafting polymers: + int tries=0; + if (vlist!=NULL){ + if (n_poly > vlist->n){fatal("Number of polymers larger than numbero f vertices on a vesicle.",310);} + while(i<n_poly){ + gvtxi = rand() % vlist->n; + if (vlist->vtx[gvtxi]->grafted_poly == NULL){ + poly_list->poly[i] = init_poly(n_mono, vlist->vtx[gvtxi]); + retval=poly_initial_distribution(poly_list, i, vesicle); + if(retval==TS_FAIL){ + ts_fprintf(stdout,"Found new potential grafting vertex %d for poly %d\n",gvtxi,i); + poly_free(poly_list->poly[i]); + tries++; + } + else { + tries=0; + i++; + } + if(tries>5000){ + fatal("Cannot find space for inner polymeres",1001); + } + } } } - + else + { + for(i=0;i<n_poly;i++){ + poly_list->poly[i] = init_poly(n_mono, NULL); + } + } + poly_list->n = n_poly; -/* Make straight poylmers normal to membrane. Dist. between poly vertices put to 1*/ - for (i=0;i<poly_list->n;i++){ + if (vlist!=NULL){ + } + else + { + /* Make filaments inside the vesicle. Helix with radius... Dist. between poly vertices put to 1*/ + ts_double a,R,H,tantheta,h,r,phi,A0=1.2; - xnorm=0.0; - ynorm=0.0; - znorm=0.0; - for (j=0;j<poly_list->poly[i]->grafted_vtx->tristar_no;j++){ - xnorm-=poly_list->poly[i]->grafted_vtx->tristar[j]->xnorm; - ynorm-=poly_list->poly[i]->grafted_vtx->tristar[j]->ynorm; - znorm-=poly_list->poly[i]->grafted_vtx->tristar[j]->znorm; - } - normlength=sqrt(xnorm*xnorm+ynorm*ynorm+znorm*znorm); - xnorm=xnorm/normlength; - ynorm=ynorm/normlength; - znorm=znorm/normlength; - - for (j=0;j<poly_list->poly[i]->vlist->n;j++){ - poly_list->poly[i]->vlist->vtx[j]->x = poly_list->poly[i]->grafted_vtx->x + xnorm*(ts_double)(j+1); - poly_list->poly[i]->vlist->vtx[j]->y = poly_list->poly[i]->grafted_vtx->y + ynorm*(ts_double)(j+1); - poly_list->poly[i]->vlist->vtx[j]->z = poly_list->poly[i]->grafted_vtx->z + znorm*(ts_double)(j+1); + a = A0*(ts_double)vesicle->nshell; + R = A0*((ts_double)vesicle->nshell)/(2.0*sin(M_PI/5.0)); + H = sqrt(a*a - R*R); + tantheta = sqrt(R*R - a*a/4.0)/H; + + h = -H + sqrt(vesicle->clist->dmin_interspecies)*1.5; + r = (H-fabs(h))*tantheta - sqrt(vesicle->clist->dmin_interspecies)*1.5; + dphi = 2.0*asin(1.0/2.0/r)*1.001; + dh = dphi/2.0/M_PI*1.001; + phi=0.0; + for(i=0;i<poly_list->n;i++){ + for (j=0;j<poly_list->poly[i]->vlist->n;j++){ + h = h + dh; + r = (H-fabs(h))*tantheta - sqrt(vesicle->clist->dmin_interspecies)*1.5; + dphi = 2.0*asin(1.0/2.0/r)*1.001; + dh = dphi/2.0/M_PI*1.001; + phi+=dphi; + //ji = j + i*poly_list->poly[i]->vlist->n; + poly_list->poly[i]->vlist->vtx[j]->x = r*cos(phi); + poly_list->poly[i]->vlist->vtx[j]->y = r*sin(phi); + poly_list->poly[i]->vlist->vtx[j]->z = h;// ji*dh - (dh*poly_list->n*poly_list->poly[i]->vlist->n/2.0); + } } } //index correction for polymeres. Important, since each vtx has to have unique id - idx=vlist->n; +/* idx=vlist->n; for(i=0;i<n_poly;i++){ for(j=0;j<n_mono;j++,idx++){ @@ -74,17 +234,17 @@ } } - - +*/ + return poly_list; } ts_bool poly_free(ts_poly *poly){ - if (poly->grafted_vtx!=NULL){ - poly->grafted_vtx->grafted_poly=NULL; - } +// if (poly->grafted_vtx!=NULL){ +// poly->grafted_vtx->grafted_poly=NULL; +// } vtx_list_free(poly->vlist); bond_list_free(poly->blist); free(poly); @@ -94,8 +254,9 @@ ts_bool poly_list_free(ts_poly_list *poly_list){ ts_uint i; - + //fprintf(stderr,"no. of polys=%d\n", poly_list->n); for(i=0;i<poly_list->n;i++){ + // fprintf(stderr,"%d poly address in mem=%ld\n",i+1,(long)&(poly_list->poly[i])); poly_free(poly_list->poly[i]); } free(poly_list->poly); @@ -103,3 +264,42 @@ return TS_SUCCESS; } + + +ts_poly *remove_poly_with_index(ts_poly_list *poly_list, ts_uint idx){ + ts_uint i; + ts_poly *removed_poly=poly_list->poly[idx]; + + poly_list->n--; //decrease the total number of polymeres + for(i=idx;i<poly_list->n;i++){ //move the rest of the polymeres up. + poly_list->poly[i]=poly_list->poly[i+1]; +// poly_list->poly[idx]->idx=idx; + } + + return removed_poly; +} + + +ts_bool remove_random_polymeres(ts_poly_list *poly_list, ts_uint number){ + + ts_uint i, idx; + ts_poly *poly; + + ts_poly **new_poly_array; + if(number>poly_list->n) fatal("The number of polymeres to be removed from the list is greater than the number of total polymeres in the list",999); + for(i=number;i>0;i--){ + idx=rand() % poly_list->n; + poly=remove_poly_with_index(poly_list, idx); + poly_free(poly); + } + printf("Addr before %ld\n", (long)poly_list->poly); + new_poly_array=(ts_poly **)calloc(poly_list->n,sizeof(ts_poly *)); + for(i=0;i<poly_list->n;i++){ + new_poly_array[i]=poly_list->poly[i]; + } + free(poly_list->poly); + poly_list->poly=new_poly_array; + printf("Addr after %ld\n", (long)poly_list->poly); + return TS_SUCCESS; +} + -- Gitblit v1.9.3