//**********************************
//***   tools for archiving T-meshes
// Written by Jarek Rossignac,  June 2006 
//**********************************

void saveMesh() {
  String [] inppts = new String [nv+1+nt+1];
  int s=0;
  inppts[s++]=str(nv);
  for (int i=0; i<nv; i++) {inppts[s++]=str(G[i].x)+","+str(G[i].y)+","+str(G[i].z);};
  inppts[s++]=str(nt);
  if (flipOrientation) {for (int i=0; i<nt; i++) {inppts[s++]=str(V[3*i])+","+str(V[3*i+2])+","+str(V[3*i+1]);};}
    else {for (int i=0; i<nt; i++) {inppts[s++]=str(V[3*i])+","+str(V[3*i+1])+","+str(V[3*i+2]);};};
  saveStrings("mesh.vts",inppts);  println("saved");
  };

void loadMesh() {
  String [] ss = loadStrings(fn[fni]);
  String subpts;
  int s=0;   int comma1, comma2;   float x, y, z;   int a, b, c;
  nv = int(ss[s++]);
    println("nv="+nv);
    for(int k=0; k<nv; k++) {int i=k+s; 
      comma1=ss[i].indexOf(',');   
      x=float(ss[i].substring(0, comma1));
      String rest = ss[i].substring(comma1+1, ss[i].length());
      comma2=rest.indexOf(',');    y=float(rest.substring(0, comma2)); z=float(rest.substring(comma2+1, rest.length()));
      G[k].setTo(x,y,z);
    };
  s=nv+1;
  nt = int(ss[s]); nc=3*nt;
  println("nt="+nt);
  s++;
  for(int k=0; k<nt; k++) {int i=k+s;
      comma1=ss[i].indexOf(',');   a=int(ss[i].substring(0, comma1));  
      String rest = ss[i].substring(comma1+1, ss[i].length()); comma2=rest.indexOf(',');  
      b=int(rest.substring(0, comma2)); c=int(rest.substring(comma2+1, rest.length()));
      V[3*k]=a;  V[3*k+1]=b;  V[3*k+2]=c;
    }
  };