From a9c679d4e4b49e44542bac81ef4ef65c94418eff Mon Sep 17 00:00:00 2001 From: Samo Penic <samo.penic@gmail.com> Date: Fri, 08 Jul 2016 20:10:25 +0000 Subject: [PATCH] VTK rendering is done in realtime (updating attempt every second) --- src/vertex.c | 90 +++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 86 insertions(+), 4 deletions(-) diff --git a/src/vertex.c b/src/vertex.c index 21ad48e..59a6419 100644 --- a/src/vertex.c +++ b/src/vertex.c @@ -1,3 +1,4 @@ +/* vim: set ts=4 sts=4 sw=4 noet : */ #include<stdlib.h> #include<math.h> #include<string.h> @@ -5,6 +6,14 @@ #include "vertex.h" #include "bond.h" #include<stdio.h> + +ts_bool vertex_list_assign_id(ts_vertex_list *vlist, ts_uint id){ + ts_uint i; + for(i=0;i<vlist->n;i++){ + vlist->vtx[i]->id = id; + } + return TS_SUCCESS; +} ts_vertex_list *init_vertex_list(ts_uint N){ ts_int i; @@ -74,20 +83,23 @@ /* remove it from the list while shifting remaining neighbours up */ ts_uint i,j=0; for(i=0;i<vtx->neigh_no;i++){ +// fprintf(stderr,"neigh_addr=%ld\n", (long)vtx->neigh[i]); if(vtx->neigh[i]!=nvtx){ vtx->neigh[j]=vtx->neigh[i]; j++; } } +// fprintf(stderr,"remove_neighbour: vtx1_addr=%ld, vtx2_addr=%ld\n",(long)vtx,(long)nvtx); /* resize memory. potentionally time consuming */ vtx->neigh_no--; vtx->neigh=(ts_vertex **)realloc(vtx->neigh,vtx->neigh_no*sizeof(ts_vertex *)); if(vtx->neigh == NULL && vtx->neigh_no!=0) - fatal("Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100); - + fatal("(1) Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100); +//fprintf(stderr,"first alloc"); /* repeat for the neighbour */ /* find a neighbour */ /* remove it from the list while shifting remaining neighbours up */ + j=0; for(i=0;i<nvtx->neigh_no;i++){ if(nvtx->neigh[i]!=vtx){ nvtx->neigh[j]=nvtx->neigh[i]; @@ -95,10 +107,12 @@ } } /* resize memory. potentionally time consuming. */ +// fprintf(stderr,"Neigbours=%d\n",nvtx->neigh_no); nvtx->neigh_no--; - nvtx->neigh=(ts_vertex **)realloc(nvtx->neigh,nvtx->neigh_no*sizeof(ts_vertex *)); + nvtx->neigh=(ts_vertex **)realloc(nvtx->neigh,nvtx->neigh_no*sizeof(ts_vertex *)); +// fprintf(stderr,"Neigbours=%d\n",nvtx->neigh_no); if(nvtx->neigh == NULL && nvtx->neigh_no!=0) - fatal("Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100); + fatal("(2) Reallocation of memory failed during removal of vertex neighbour in vtx_remove_neighbour",100); return TS_SUCCESS; } @@ -110,11 +124,14 @@ bond=bond_add(blist,vtx1,vtx2); if(bond==NULL) return TS_FAIL; vtx1->bond_no++; + vtx2->bond_no++; // vtx2->data->bond_no++; vtx1->bond=(ts_bond **)realloc(vtx1->bond, vtx1->bond_no*sizeof(ts_bond *)); + vtx2->bond=(ts_bond **)realloc(vtx2->bond, vtx2->bond_no*sizeof(ts_bond *)); // vtx2->data->bond=(ts_bond **)realloc(vtx2->data->bond, vtx2->data->bond_no*sizeof(ts_bond *)); vtx1->bond[vtx1->bond_no-1]=bond; + vtx2->bond[vtx2->bond_no-1]=bond; // vtx2->ata->bond[vtx2->data->bond_no-1]=bond; return TS_SUCCESS; } @@ -122,6 +139,7 @@ ts_bool vtx_add_cneighbour(ts_bond_list *blist, ts_vertex *vtx1, ts_vertex *vtx2){ ts_bool retval; retval=vtx_add_neighbour(vtx1,vtx2); + // retval=vtx_add_neighbour(vtx2,vtx1); if(retval==TS_SUCCESS) retval=vtx_add_bond(blist,vtx1,vtx2); return retval; @@ -182,6 +200,19 @@ return TS_SUCCESS; } +/** Calculates the triple product of vectors defined by vertices vtx1, vtx2 and vtx3, ($\mathrm{vtx}_1\cdot(\mathrm{vtx}_2\cross\mathrm{vtx}_3$): + * \begin{vmatrix} + * x_1 & y_1 & z_1 \\ + * x_2-x_1 & y_2-y_1 & z_2-z_1\\ + * x_3-x_1 & y_3-y_1 & z_3-z_1\\ + * \end{vmatrix} + * where the vertices coordinates are denoted by corresponding vertex index number. Function is used to determine the orientation of area formed by triangle formed by the three given vertices. + * + * @param vtx1 is first vertex, according to which the orientation is calculated + * @param vtx2 is the second vertex + * @param vtx3 is the third vertex + * @returns directionality of the area of the triangle formed by vertices vtx1, vtx2 and vtx3. It is positive if vtx1, vtx2 and vtx3 are oriented counter-clockwise. +*/ inline ts_double vtx_direct(ts_vertex *vtx1, ts_vertex *vtx2, ts_vertex *vtx3){ ts_double dX2=vtx2->x-vtx1->x; ts_double dY2=vtx2->y-vtx1->y; @@ -207,6 +238,57 @@ } +/* Insert neighbour is a function that is required in bondflip. It inserts a + * neighbour exactly in the right place. */ +inline ts_bool vtx_insert_neighbour(ts_vertex *vtx, ts_vertex *nvtx, ts_vertex *vtxm){ +//nvtx is a vertex that is to be inserted after vtxm! + ts_uint i,j,midx; + vtx->neigh_no++; + if(vtxm==NULL || nvtx==NULL || vtx==NULL) + fatal("vertex_insert_neighbour: one of pointers has been zero.. Cannot proceed.",3); + //We need to reallocate space! The pointer *neight must be zero if not having neighbours jey (if neigh_no was 0 at thime of calling + vtx->neigh=realloc(vtx->neigh,vtx->neigh_no*sizeof(ts_vertex *)); + if(vtx->neigh == NULL){ + fatal("Reallocation of memory failed during insertion of vertex neighbour in vertex_insert_neighbour",3); + } + midx=0; + for(i=0;i<vtx->neigh_no-1;i++) if(vtx->neigh[i]==vtxm) {midx=i; break;} + // fprintf(stderr,"midx=%d, vseh=%d\n",midx,vtx->neigh_no-2); + if(midx==vtx->neigh_no-2) { + vtx->neigh[vtx->neigh_no-1]=nvtx; + } else { + for(j=vtx->neigh_no-2;j>midx;j--) { + vtx->neigh[j+1]=vtx->neigh[j]; +// vtx->bond_length[j+1]=vtx->bond_length[j]; +// vtx->bond_length_dual[j+1]=vtx->bond_length_dual[j]; + } + vtx->neigh[midx+1]=nvtx; + } + return TS_SUCCESS; +} + + +/* vtx remove tristar is required in bondflip. */ +/* TODO: Check whether it is important to keep the numbering of tristar + * elements in some order or not! */ +inline ts_bool vtx_remove_tristar(ts_vertex *vtx, ts_triangle *tristar){ + ts_uint i,j=0; + for(i=0;i<vtx->tristar_no;i++){ + if(vtx->tristar[i]!=tristar){ + vtx->tristar[j]=vtx->tristar[i]; + j++; + } + } + vtx->tristar_no--; + vtx->tristar=realloc(vtx->tristar,vtx->tristar_no*sizeof(ts_triangle *)); + if(vtx->neigh == NULL){ + fatal("Reallocation of memory failed during insertion of vertex neighbour in vertex_add_neighbour",3); + } + return TS_SUCCESS; +} + + + /* ****************************************************************** */ /* ***** New vertex copy operations. Inherently they are slow. ***** */ /* ****************************************************************** */ -- Gitblit v1.9.3