From 7d44c8ef7ee873fe1d9787872cde1a7ace632c4c Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Sun, 19 Feb 2017 15:18:32 +0000
Subject: [PATCH] Librarization f trisurf. Maybe there are some (autogenerated) files that are missing.

---
 src/dumpstate.c |  112 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 105 insertions(+), 7 deletions(-)

diff --git a/src/dumpstate.c b/src/dumpstate.c
index 4d7dde2..4493f71 100644
--- a/src/dumpstate.c
+++ b/src/dumpstate.c
@@ -1,3 +1,4 @@
+/* vim: set ts=4 sts=4 sw=4 noet : */
 #include <string.h>
 #include "general.h"
 #include <stdio.h>
@@ -6,6 +7,8 @@
 #include "dumpstate.h"
 #include <libxml/parser.h>
 #include <libxml/tree.h>
+#include "vertex.h"
+#include "energy.h"
 
 ts_vesicle *vtk2vesicle(char *filename, ts_tape *tape){
 
@@ -46,16 +49,23 @@
 
     cur_node=cur_node->children;
     while(cur_node!=NULL){
-        fprintf(stderr,"Node name is: %s\n",cur_node->name);
+        //fprintf(stderr,"Node name is: %s\n",cur_node->name);
         cur_node=cur_node->next;
         if(strcmp((char *)cur_node->name,"PointData")==0) vtk_index2vesicle(cur_node->children->next->children, vesicle);
-        if(strcmp((char *)cur_node->name,"Points")==0) break;
-        if(strcmp((char *)cur_node->name,"Cells")==0) break;
-        
+        if(strcmp((char *)cur_node->name,"Points")==0) vtk_coordinates(cur_node->children->next->children,vesicle);
+        if(strcmp((char *)cur_node->name,"Cells")==0) {
+		vtk_neighbours(cur_node->children->next->children,vesicle);
+        	break; //segfaults, because it finds another cells. Why?
+	}	
     }
-
-
-
+	//we have vertices and neighbour relations all set, but unordered. Let's do bonds, ordering, triangles...
+	vesicle->vlist = vtk_sort_neighbours(vesicle->blist,vesicle->vlist);
+	init_triangles(vesicle);
+	init_triangle_neighbours(vesicle);
+	init_common_vertex_triangle_neighbours(vesicle);
+	init_normal_vectors(vesicle->tlist);
+	mean_curvature_and_energy(vesicle);
+	ts_fprintf(stdout,"restoring from vtk dump finished!\n");
     return TS_SUCCESS;
 }
 
@@ -72,3 +82,91 @@
     //fprintf(stderr,"idx[11]=%d\n",vesicle->vlist->vtx[11]->idx);
     return TS_SUCCESS;
 }
+
+ts_bool vtk_coordinates(xmlNode *node, ts_vesicle *vesicle){
+    //fprintf(stderr, "vsebina: %s\n",node->content);
+    ts_uint i;
+    char *token;
+    token = strtok((char *)node->content, " ");
+    for(i=0;i<vesicle->vlist->n;i++){
+        vesicle->vlist->vtx[i]->x=atof(token);
+//	fprintf(stderr,"%e, ",atof(token));
+        token=strtok(NULL," ");
+        vesicle->vlist->vtx[i]->y=atof(token);
+        token=strtok(NULL,"\n");
+        vesicle->vlist->vtx[i]->z=atof(token);
+        if(i>0) token=strtok(NULL," ");
+    }
+    return TS_SUCCESS;
+
+}
+
+ts_bool vtk_neighbours(xmlNode *node, ts_vesicle *vesicle){
+ //	fprintf(stderr, "vsebina: %s\n",node->content);
+	ts_uint i;
+	ts_uint idx1, idx2;
+    char *token;
+    token = strtok((char *)node->content, " ");
+    for(i=0;i<3*(vesicle->vlist->n-2);i++){
+	idx1=atoi(token);
+        token=strtok(NULL,"\n");
+	idx2=atoi(token);
+        vtx_add_neighbour(vesicle->vlist->vtx[idx1], vesicle->vlist->vtx[idx2]);
+        vtx_add_neighbour(vesicle->vlist->vtx[idx2], vesicle->vlist->vtx[idx1]);
+	fprintf(stderr, "%d. povezujem %d in %d\n",i,idx1,idx2);
+        if(i>0) token=strtok(NULL," ");
+    }
+	return TS_SUCCESS;
+}
+
+/* this is almost exact copy of init_sort_neighbours */
+ts_vertex_list *vtk_sort_neighbours(ts_bond_list *blist,ts_vertex_list *vlist){
+	ts_vertex **vtx=vlist->vtx -1; // take a look at dipyramid function for comment.
+	ts_uint i,l,j,jj,jjj,k=0;   
+    ts_double eps=0.001; // Take a look if EPS from math.h can be used
+
+/*lets initialize memory for temporary vertex_list. Should we write a function instead */
+    ts_vertex_list *tvlist=vertex_list_copy(vlist);
+    ts_vertex **tvtx=tvlist->vtx -1;  /* again to compensate for 0-indexing */
+
+	ts_double dist2; // Square of distance of neighbours
+    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]->neigh[0]->idx+1]); //always add 1st
+       	jjj=1;
+       	jj=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( (direct>0.0) && (j!=jjj) ){
+           			vtx_add_cneighbour(blist,tvtx[k],tvtx[vtx[i]->neigh[j-1]->idx+1]);
+           			jjj=jj;
+           			jj=j;
+           		//	break;
+           		}
+       		}
+       	}
+	if(vtx[i]->neigh_no!=tvtx[i]->neigh_no){
+		fprintf(stderr,"Hej! pri vtx=%d se razikuje stevilo sosedov (prej=%d, potem=%d)\n",i, vtx[i]->neigh_no, tvtx[i]->neigh_no);
+		}
+	}
+	if(eps>dist2);
+/* We use the temporary vertex for our main vertices and we abandon main
+ * vertices, because their neighbours are not correctly ordered */
+   // tvtx=vlist->vtx;
+   // vlist->vtx=tvtx;
+   // tvlist->vtx=vtx;
+    vtx_list_free(vlist);
+/* Let's make a check if the number of bonds is correct */
+    if((blist->n)!=3*(tvlist->n-2)){
+        ts_fprintf(stderr,"Number of bonds is %u should be %u!\n", blist->n, 3*(tvlist->n-2));
+        fatal("Number of bonds is not 3*(no_vertex-2).",4);
+    }
+
+	return tvlist;
+}
+
+

--
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