public void WriteMesh(string filename, GMSH_VERSION version = GMSH_VERSION.MSH_1)
{
List <string> lines = new List <string>();
switch (version)
{
case GMSH_VERSION.MSH_1:
{
lines.Add("$NOD");
lines.Add(_nodes.Count.ToString());
_nodes.ForEach(n => lines.Add(n.ToString()));
lines.Add("$ENDNOD");
lines.Add("$ELM");
lines.Add(_elements.Count.ToString());
_elements.ForEach(e => lines.Add(e.ToString(version)));
lines.Add("$ENDELM");
lines.Add("");
if (_nodeData != null)
{
Console.WriteLine("GMSH version 1 does not support data in the msh file. Skipping node data.");
}
}
break;
case GMSH_VERSION.MSH_2_2:
{
lines.Add("$MeshFormat");
lines.Add("2.2 0 8");
lines.Add("$EndMeshFormat");
lines.Add("$Nodes");
lines.Add(_nodes.Count.ToString());
_nodes.ForEach(n => lines.Add(n.ToString()));
lines.Add("$EndNodes");
lines.Add("$Elements");
lines.Add(_elements.Count.ToString());
_elements.ForEach(e => lines.Add(e.ToString(version)));
lines.Add("$EndElements");
if (_nodeData != null)
{
lines.Add("$NodeData");
_nodeData.ForEach(nd => { if (nd.Sane)
{
lines.AddRange(nd.GetStrings());
}
});
lines.Add("$EndNodeData");
}
lines.Add("");
}
break;
default:
{
throw new Exception(String.Format("Unknown Mesh format {0}.", version.ToString()));
}
}
File.WriteAllLines(filename, lines);
}
/// <summary>
/// Write out the Element data in gmsh 2.15 format.
/// </summary>
/// <returns>The Element data in gmsh 2.15 format</returns>
public string ToString(GMSH_VERSION version = GMSH_VERSION.MSH_1)
{
switch (version)
{
case GMSH_VERSION.MSH_1:
{
string s = ID.ToString(Format) + " " + ElementCode.ToString(Format);
s += " " + PhysicalTag.ToString(Format);
s += " " + ElementaryTag.ToString(Format);
s += " " + NumberOfNodes.ToString(Format);
for (int i = 0; i < NumberOfNodes; ++i)
{
s += " " + _nodes[i].ToString(Format);
}
return(s);
}
case GMSH_VERSION.MSH_2_2:
{
string s = ID.ToString(Format) + " " + ElementCode.ToString(Format) + " " + "2";
s += " " + PhysicalTag.ToString(Format);
s += " " + ElementaryTag.ToString(Format);
for (int i = 0; i < NumberOfNodes; ++i)
{
s += " " + _nodes[i].ToString(Format);
}
return(s);
}
default:
{
throw new Exception(String.Format("Unknown Mesh format {0}.", version.ToString()));
}
}
}
