From 3cd5f4a96d445b55da8a7e6da8509bbd7d5d41b8 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@fe.uni-lj.si>
Date: Thu, 15 Sep 2016 06:29:31 +0000
Subject: [PATCH] Fixes #19.

---
 src/poly.c |   81 +++++++++++++++++++++++++++++++++++-----
 1 files changed, 70 insertions(+), 11 deletions(-)

diff --git a/src/poly.c b/src/poly.c
index 5cfc6e0..7c7450b 100644
--- a/src/poly.c
+++ b/src/poly.c
@@ -1,3 +1,4 @@
+/* vim: set ts=4 sts=4 sw=4 noet : */
 #include"general.h"
 #include"poly.h"
 #include<stdlib.h>
@@ -58,11 +59,10 @@
 	ts_uint gvtxi;
 	ts_double xnorm,ynorm,znorm,normlength;
 	ts_double dphi,dh;
-	ts_uint ji;
 
 	// Grafting polymers:
 	if (vlist!=NULL){
-		if (n_poly > vlist->n){fatal("Number of polymers larger then numbero f vertices on a vesicle.",310);}
+		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;
@@ -83,6 +83,7 @@
 
 	if (vlist!=NULL){
 	/* Make straight grafted poylmers normal to membrane (polymer brush). Dist. between poly vertices put to 1*/
+		ts_int intpoly=vesicle->tape->internal_poly;
 		for (i=0;i<poly_list->n;i++){
 	
 			xnorm=0.0;
@@ -94,6 +95,9 @@
 				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;
@@ -108,14 +112,29 @@
 	else
 	{
 	/* Make filaments inside the vesicle. Helix with radius... Dist. between poly vertices put to 1*/
-		dphi = 2.0*asin(1.0/2.0/vesicle->R_nucleus)*1.001;
+	ts_double a,R,H,tantheta,h,r,phi,A0=1.2;
+
+		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++){
-				ji = j + i*poly_list->poly[i]->vlist->n;
-				poly_list->poly[i]->vlist->vtx[j]->x = vesicle->R_nucleus*cos(ji*dphi);
-				poly_list->poly[i]->vlist->vtx[j]->y = vesicle->R_nucleus*sin(ji*dphi);
-				poly_list->poly[i]->vlist->vtx[j]->z = ji*dh - (dh*poly_list->n*poly_list->poly[i]->vlist->n/2.0);
+				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);
 			}
 		}
 	}
@@ -137,9 +156,9 @@
 
 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);
@@ -149,8 +168,9 @@
 
 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);
@@ -158,3 +178,42 @@
 	
 	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;
+}
+

--
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