From 06f70cc6f065746cf79c9792228356e3f015f4ec Mon Sep 17 00:00:00 2001 From: Samo Penic <samo.penic@gmail.com> Date: Fri, 08 Mar 2019 20:13:00 +0000 Subject: [PATCH] Constant area plugin done -- fix --- src/vertexmove.c | 349 ++++++++++++++++++++++++++++++++++++++++++++++----------- 1 files changed, 279 insertions(+), 70 deletions(-) diff --git a/src/vertexmove.c b/src/vertexmove.c index f78fd61..5a32955 100644 --- a/src/vertexmove.c +++ b/src/vertexmove.c @@ -1,3 +1,4 @@ +/* vim: set ts=4 sts=4 sw=4 noet : */ #include<stdlib.h> #include<math.h> #include "general.h" @@ -8,75 +9,66 @@ #include "energy.h" #include "timestep.h" #include "cell.h" -//#include "io.h" +#include "io.h" #include<stdio.h> #include "vertexmove.h" #include <string.h> +#include "constvol.h" +#include "plugins.h" ts_bool single_verticle_timestep(ts_vesicle *vesicle,ts_vertex *vtx,ts_double *rn){ ts_uint i; - ts_double dist; ts_bool retval; ts_uint cellidx; - ts_double delta_energy,oenergy; + ts_double delta_energy, oenergy, darea=0.0, dstretchenergy=0.0; ts_double costheta,sintheta,phi,r; //This will hold all the information of vtx and its neighbours - ts_vertex backupvtx[20]; - memcpy((void *)&backupvtx[0],(void *)vtx,sizeof(ts_vertex)); + ts_vertex backupvtx[20]; // *constvol_vtx_moved=NULL, *constvol_vtx_backup=NULL; + memcpy((void *)&backupvtx[0],(void *)vtx,sizeof(ts_vertex)); - //Some stupid tests for debugging cell occupation! -/* cellidx=vertex_self_avoidance(vesicle, vtx); - if(vesicle->clist->cell[cellidx]==vtx->cell){ - fprintf(stderr,"Idx match!\n"); - } else { - fprintf(stderr,"***** Idx don't match!\n"); - fatal("ENding.",1); - } -*/ - - //temporarly moving the vertex -// vtx->x=vtx->x+vesicle->stepsize*(2.0*rn[0]-1.0); -// vtx->y=vtx->y+vesicle->stepsize*(2.0*rn[1]-1.0); -// vtx->z=vtx->z+vesicle->stepsize*(2.0*rn[2]-1.0); - - //random move in a sphere with radius stepsize: - r=vesicle->stepsize*rn[0]; - phi=rn[1]*2*M_PI; - costheta=2*rn[2]-1; - sintheta=sqrt(1-pow(costheta,2)); - vtx->x=vtx->x+r*sintheta*cos(phi); - vtx->y=vtx->y+r*sintheta*sin(phi); - vtx->z=vtx->z+r*costheta; + //random move in a sphere with radius stepsize: + r=vesicle->stepsize*rn[0]; + phi=rn[1]*2*M_PI; + costheta=2*rn[2]-1; + sintheta=sqrt(1-pow(costheta,2)); + vtx->x=vtx->x+r*sintheta*cos(phi); + vtx->y=vtx->y+r*sintheta*sin(phi); + vtx->z=vtx->z+r*costheta; - //distance with neighbours check - for(i=0;i<vtx->neigh_no;i++){ - dist=vtx_distance_sq(vtx,vtx->neigh[i]); - if(dist<1.0 || dist>vesicle->dmax) { - vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex)); - return TS_FAIL; +/* Entry point for plugin vm_hard_constraint() function */ + vesicle->plist->pointer=vesicle->plist->chain->vm_hard_constraint; + while(vesicle->plist->pointer!=NULL){ + retval = vesicle->plist->pointer->plugin->function->vm_hard_constraint(vesicle,vtx, &backupvtx[0]); + if(retval==TS_FAIL){ + vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex)); + return TS_FAIL; } - } - //self avoidance check with distant vertices - cellidx=vertex_self_avoidance(vesicle, vtx); - //check occupation number - retval=cell_occupation_number_and_internal_proximity(vesicle->clist,cellidx,vtx); - - if(retval==TS_FAIL){ - vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex)); - return TS_FAIL; - } - - - //if all the tests are successful, then energy for vtx and neighbours is calculated + vesicle->plist->pointer=vesicle->plist->pointer->next; + } +/* End of vm_hard_constraint() */ + +/* Backuping the neighbours */ for(i=0;i<vtx->neigh_no;i++){ memcpy((void *)&backupvtx[i+1],(void *)vtx->neigh[i],sizeof(ts_vertex)); } +/* Entry point for plugin vm_energy_before_prepare() */ + vesicle->plist->pointer=vesicle->plist->chain->vm_energy_before_prepare; + while(vesicle->plist->pointer!=NULL){ + vesicle->plist->pointer->plugin->function->vm_energy_before_prepare(vesicle, vtx); + vesicle->plist->pointer=vesicle->plist->pointer->next; + } +/* End of vm_energy_before_prepare() */ + //stretching energy 1 of 3 + if(vesicle->tape->stretchswitch==1){ + for(i=0;i<vtx->tristar_no;i++) dstretchenergy-=vtx->tristar[i]->energy; + } delta_energy=0; - //update the normals of triangles that share bead i. + +//update the normals of triangles that share bead i. for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]); oenergy=vtx->energy; energy_vertex(vtx); @@ -88,19 +80,78 @@ delta_energy+=vtx->neigh[i]->xk*(vtx->neigh[i]->energy-oenergy); } + +/* Entry point for plugin vm_energy_after_execute() */ + + vesicle->plist->pointer=vesicle->plist->chain->vm_energy_after_execute; + while(vesicle->plist->pointer!=NULL){ + delta_energy+=vesicle->plist->pointer->plugin->function->vm_energy_after_execute(vesicle, vtx); + vesicle->plist->pointer=vesicle->plist->pointer->next; + } + + +/* Vertices with spontaneous curvature may have spontaneous force perpendicular to the surface of the vesicle. additional delta energy is calculated in this function */ + delta_energy+=direct_force_energy(vesicle,vtx,backupvtx); + + //stretching energy 2 of 3 + if(vesicle->tape->stretchswitch==1){ + for(i=0;i<vtx->tristar_no;i++){ + stretchenergy(vesicle, vtx->tristar[i]); + dstretchenergy+=vtx->tristar[i]->energy; + } + } + + delta_energy+=dstretchenergy; + +/* No poly-bond energy for now! if(vtx->grafted_poly!=NULL){ delta_energy+= (pow(sqrt(vtx_distance_sq(vtx, vtx->grafted_poly->vlist->vtx[0])-1),2)- pow(sqrt(vtx_distance_sq(&backupvtx[0], vtx->grafted_poly->vlist->vtx[0])-1),2)) *vtx->grafted_poly->k; - - } +*/ + +// plane confinement energy due to compressing force + if(vesicle->tape->plane_confinement_switch){ + if(vesicle->confinement_plane.force_switch){ + //substract old energy + if(abs(vesicle->tape->plane_d/2.0-vesicle->confinement_plane.z_max)>1e-10) { + delta_energy-=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_max-backupvtx[0].z,2); + delta_energy+=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_max-vtx->z,2); + } + if(abs(-vesicle->tape->plane_d/2.0-vesicle->confinement_plane.z_min)>1e-10) { + delta_energy-=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_min-backupvtx[0].z,2); + delta_energy+=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_min-vtx->z,2); + } + } + } + + +/* Entry point for plugin vm_before_montecarlo_constraint() function */ + vesicle->plist->pointer=vesicle->plist->chain->vm_before_montecarlo_constraint; + while(vesicle->plist->pointer!=NULL){ + retval = vesicle->plist->pointer->plugin->function->vm_before_montecarlo_constraint(vesicle,vtx, &backupvtx[0]); + if(retval==TS_FAIL){ + vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex)); + for(i=0;i<vtx->neigh_no;i++){ + vtx->neigh[i]=memcpy((void *)vtx->neigh[i],(void *)&backupvtx[i+1],sizeof(ts_vertex)); + } + for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]); + return TS_FAIL; + } + vesicle->plist->pointer=vesicle->plist->pointer->next; + } +/* End of vm_before_montecarlo_constraint() */ + + + + // fprintf(stderr, "DE=%f\n",delta_energy); //MONTE CARLOOOOOOOO if(delta_energy>=0){ #ifdef TS_DOUBLE_DOUBLE - if(exp(-delta_energy)< drand48() ) + if(exp(-delta_energy)< drand48()) #endif #ifdef TS_DOUBLE_FLOAT if(expf(-delta_energy)< (ts_float)drand48()) @@ -109,41 +160,68 @@ if(expl(-delta_energy)< (ts_ldouble)drand48()) #endif { - //not accepted, reverting changes +/*************************************************** MC step rejected **************************************************************/ vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex)); for(i=0;i<vtx->neigh_no;i++){ vtx->neigh[i]=memcpy((void *)vtx->neigh[i],(void *)&backupvtx[i+1],sizeof(ts_vertex)); } - //update the normals of triangles that share bead i. - for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]); + //update the normals of triangles that share bead i. + for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]); + + //stretching energy 3 of 3 + if(vesicle->tape->stretchswitch==1){ + for(i=0;i<vtx->tristar_no;i++){ + stretchenergy(vesicle,vtx->tristar[i]); + } + } + + + +/* Entry point for plugin vm_before_montecarlo_constraint() function */ + vesicle->plist->pointer=vesicle->plist->chain->vm_new_state_rejected; + while(vesicle->plist->pointer!=NULL){ + vesicle->plist->pointer->plugin->function->vm_new_state_rejected(vesicle,vtx, &backupvtx[0]); + vesicle->plist->pointer=vesicle->plist->pointer->next; + } +/* End of vm_before_montecarlo_constraint() */ + return TS_FAIL; } } - -// oldcellidx=vertex_self_avoidance(vesicle, &backupvtx[0]); +/*************************************************** MC step accepted **************************************************************/ + cellidx=vertex_self_avoidance(vesicle, vtx); if(vtx->cell!=vesicle->clist->cell[cellidx]){ retval=cell_add_vertex(vesicle->clist->cell[cellidx],vtx); -// if(retval==TS_SUCCESS) cell_remove_vertex(vesicle->clist->cell[oldcellidx],vtx); - if(retval==TS_SUCCESS) cell_remove_vertex(backupvtx[0].cell,vtx); - + if(retval==TS_SUCCESS) cell_remove_vertex(backupvtx[0].cell,vtx); } -// if(oldcellidx); - //END MONTE CARLOOOOOOO + +/* Entry point for plugin vm_before_montecarlo_constraint() function */ + vesicle->plist->pointer=vesicle->plist->chain->vm_new_state_accepted; + while(vesicle->plist->pointer!=NULL){ + vesicle->plist->pointer->plugin->function->vm_new_state_accepted(vesicle,vtx, &backupvtx[0]); + vesicle->plist->pointer=vesicle->plist->pointer->next; + } +/* End of vm_before_montecarlo_constraint() */ + return TS_SUCCESS; } + + + ts_bool single_poly_vertex_move(ts_vesicle *vesicle,ts_poly *poly,ts_vertex *vtx,ts_double *rn){ ts_uint i; ts_bool retval; ts_uint cellidx; - ts_double delta_energy; +// ts_double delta_energy; ts_double costheta,sintheta,phi,r; + ts_double dist; //This will hold all the information of vtx and its neighbours ts_vertex backupvtx; - ts_bond backupbond[2]; +// ts_bond backupbond[2]; memcpy((void *)&backupvtx,(void *)vtx,sizeof(ts_vertex)); //random move in a sphere with radius stepsize: @@ -157,13 +235,23 @@ //distance with neighbours check -// for(i=0;i<vtx->neigh_no;i++){ -// dist=vtx_distance_sq(vtx,vtx->neigh[i]); -// if(dist<1.0 || dist>vesicle->dmax) { -// vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex)); -// return TS_FAIL; -// } -// } + for(i=0;i<vtx->neigh_no;i++){ + dist=vtx_distance_sq(vtx,vtx->neigh[i]); + if(dist<1.0 || dist>vesicle->dmax) { + vtx=memcpy((void *)vtx,(void *)&backupvtx,sizeof(ts_vertex)); + return TS_FAIL; + } + } + +// Distance with grafted vesicle-vertex check: + if(vtx==poly->vlist->vtx[0]){ + dist=vtx_distance_sq(vtx,poly->grafted_vtx); + if(dist<1.0 || dist>vesicle->dmax) { + vtx=memcpy((void *)vtx,(void *)&backupvtx,sizeof(ts_vertex)); + return TS_FAIL; + } + } + //self avoidance check with distant vertices cellidx=vertex_self_avoidance(vesicle, vtx); @@ -177,6 +265,7 @@ //if all the tests are successful, then energy for vtx and neighbours is calculated +/* Energy ignored for now! delta_energy=0; for(i=0;i<vtx->bond_no;i++){ memcpy((void *)&backupbond[i],(void *)vtx->bond[i],sizeof(ts_bond)); @@ -214,6 +303,7 @@ return TS_FAIL; } } +*/ // oldcellidx=vertex_self_avoidance(vesicle, &backupvtx[0]); if(vtx->cell!=vesicle->clist->cell[cellidx]){ @@ -225,3 +315,122 @@ //END MONTE CARLOOOOOOO return TS_SUCCESS; } + + + + +ts_bool single_filament_vertex_move(ts_vesicle *vesicle,ts_poly *poly,ts_vertex *vtx,ts_double *rn){ + ts_uint i; + ts_bool retval; + ts_uint cellidx; + ts_double delta_energy; + ts_double costheta,sintheta,phi,r; + ts_double dist[2]; + //This will hold all the information of vtx and its neighbours + ts_vertex backupvtx,backupneigh[2]; + ts_bond backupbond[2]; + + //backup vertex: + memcpy((void *)&backupvtx,(void *)vtx,sizeof(ts_vertex)); + + //random move in a sphere with radius stepsize: + r=vesicle->stepsize*rn[0]; + phi=rn[1]*2*M_PI; + costheta=2*rn[2]-1; + sintheta=sqrt(1-pow(costheta,2)); + vtx->x=vtx->x+r*sintheta*cos(phi); + vtx->y=vtx->y+r*sintheta*sin(phi); + vtx->z=vtx->z+r*costheta; + + + //distance with neighbours check + for(i=0;i<vtx->bond_no;i++){ + dist[i]=vtx_distance_sq(vtx->bond[i]->vtx1,vtx->bond[i]->vtx2); + if(dist[i]<1.0 || dist[i]>vesicle->dmax) { + vtx=memcpy((void *)vtx,(void *)&backupvtx,sizeof(ts_vertex)); + return TS_FAIL; + } + } + +// TODO: Maybe faster if checks only nucleus-neighboring cells +// Nucleus penetration check: + if (vtx->x*vtx->x + vtx->y*vtx->y + vtx->z*vtx->z < vesicle->R_nucleus){ + vtx=memcpy((void *)vtx,(void *)&backupvtx,sizeof(ts_vertex)); + return TS_FAIL; + } + + + //self avoidance check with distant vertices + cellidx=vertex_self_avoidance(vesicle, vtx); + //check occupation number + retval=cell_occupation_number_and_internal_proximity(vesicle->clist,cellidx,vtx); + if(retval==TS_FAIL){ + vtx=memcpy((void *)vtx,(void *)&backupvtx,sizeof(ts_vertex)); + return TS_FAIL; + } + + //backup bonds + for(i=0;i<vtx->bond_no;i++){ + memcpy(&backupbond[i],vtx->bond[i], sizeof(ts_bond)); + vtx->bond[i]->bond_length=sqrt(dist[i]); + bond_vector(vtx->bond[i]); + } + + //backup neighboring vertices: + for(i=0;i<vtx->neigh_no;i++){ + memcpy(&backupneigh[i],vtx->neigh[i], sizeof(ts_vertex)); + } + + //if all the tests are successful, then energy for vtx and neighbours is calculated + delta_energy=0; + + 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; + delta_energy += vtx->energy - backupvtx.energy; + } + + for(i=0;i<vtx->neigh_no;i++){ + if(vtx->neigh[i]->bond_no == 2){ + vtx->neigh[i]->energy = -(vtx->neigh[i]->bond[0]->x*vtx->neigh[i]->bond[1]->x + vtx->neigh[i]->bond[0]->y*vtx->neigh[i]->bond[1]->y + vtx->neigh[i]->bond[0]->z*vtx->neigh[i]->bond[1]->z)/vtx->neigh[i]->bond[0]->bond_length/vtx->neigh[i]->bond[1]->bond_length; + delta_energy += vtx->neigh[i]->energy - backupneigh[i].energy; + } + } + + // poly->k is filament persistence length (in units l_min) + delta_energy *= poly->k; + + if(delta_energy>=0){ +#ifdef TS_DOUBLE_DOUBLE + if(exp(-delta_energy)< drand48() ) +#endif +#ifdef TS_DOUBLE_FLOAT + if(expf(-delta_energy)< (ts_float)drand48()) +#endif +#ifdef TS_DOUBLE_LONGDOUBLE + if(expl(-delta_energy)< (ts_ldouble)drand48()) +#endif + { + //not accepted, reverting changes + vtx=memcpy((void *)vtx,(void *)&backupvtx,sizeof(ts_vertex)); + for(i=0;i<vtx->neigh_no;i++){ + memcpy(vtx->neigh[i],&backupneigh[i],sizeof(ts_vertex)); + } + for(i=0;i<vtx->bond_no;i++){ + vtx->bond[i]=memcpy((void *)vtx->bond[i],(void *)&backupbond[i],sizeof(ts_bond)); + } + + return TS_FAIL; + } + } + + +// oldcellidx=vertex_self_avoidance(vesicle, &backupvtx[0]); + if(vtx->cell!=vesicle->clist->cell[cellidx]){ + retval=cell_add_vertex(vesicle->clist->cell[cellidx],vtx); +// if(retval==TS_SUCCESS) cell_remove_vertex(vesicle->clist->cell[oldcellidx],vtx); + if(retval==TS_SUCCESS) cell_remove_vertex(backupvtx.cell,vtx); + } +// if(oldcellidx); + //END MONTE CARLOOOOOOO + return TS_SUCCESS; +} -- Gitblit v1.9.3