/// <summary>
/// 解析网格文件，并将节点和单元信息放到IGridOnwer中去
/// </summary>
/// <param name="impactModel"></param>
/// <returns></returns>
public bool ParseGridFile3D(IGridOnwer gridOnwer)
{
if (!File.Exists(strGridFile))
{
Debug.WriteLine("{0} 网格文件不存在", strGridFile);
return(false);
}
bool isExtracted = true;// 默认解析成功
try
{
using (StreamReader streamReader = new StreamReader(strGridFile))
{
string content = streamReader.ReadToEnd();//读取所有行
using (MemoryStream memoryStream = new MemoryStream(System.Text.Encoding.Default.GetBytes(content)))
{
using (StreamReader reader = new StreamReader(memoryStream))
//从内存流中读取节点和单元信息
isExtracted &= ReadGridFile_3D(reader, gridOnwer);
}
}
}
catch (Exception e)
{
isExtracted = false;
Logger.WriteLogMessage("Mesher:ParseGridFile_3D:" + e.Message);
}
return(isExtracted);
}
/// <summary>
/// 解析三维网格数据
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
private bool ReadGridFile_3D(StreamReader reader, IGridOnwer gridOnwer)
{
#region
//// //读取节点信息
//// /* # X Y Z
//// points
//// 378
//// 1.0000000000000000 -3.4201999999999999 9.3969299999999993
////*/
#endregion
bool result = true;
try
{
#region 读取节点
string strCurrent = "";
reader.BaseStream.Seek(0, SeekOrigin.Begin);
while ((strCurrent = reader.ReadLine()) != null)
{
if (strCurrent.Trim().ToLower() == "points") // 节点信息
{ //如果这一行是关键字，则把当前关键字和其对应的信息交给ParseKeyword处理
int numPoints = int.Parse(reader.ReadLine().Trim()); // 读取点的个数
// nodeReflection = new Dictionary<string, string>();
for (int i = 1; i <= numPoints; i++)
{
string strTemp = reader.ReadLine();
List <string> strList = SplitStringBySpace(strTemp);//分割字符
bool readSuccess = false;
float x = float.Parse(strList[0]);
float y = float.Parse(strList[1]);
float z = float.Parse(strList[2]);
int nodeid = m_numTotalPoints;
Node node = new Node(x, y, z, nodeid);
readSuccess = gridOnwer.AddNode(node);
if (readSuccess)
{
m_numTotalPoints += 1; // 成功读入一个节点
}
else
{
Debug.WriteLine("Error when parse points");
continue; //读入下一个节点
}
}
}
}
#endregion
#region 读取单元
//// /*# matnr np p1 p2 p3 p4
//// volumeelements
//// 1080
//// 1 4 53 230 137 314
//// 1 4 61 324 198 217*/
reader.BaseStream.Seek(0, SeekOrigin.Begin);
while ((strCurrent = reader.ReadLine()) != null)
{ //k文件用*标识，hypermesh用<<标识
if (strCurrent.Trim().ToLower() == "volumeelements") //如果是单元信息
{
int numEle = int.Parse(reader.ReadLine().Trim()); //获取单元的个数
//int flag = 0;
for (int i = 1; i <= numEle; i++)
{
string strTemp = reader.ReadLine();
List <string> strList = SplitStringBySpace(strTemp);//分割字符
bool readSuccess = false;
int n1 = int.Parse(strList[2]);
int n2 = int.Parse(strList[3]);
int n3 = int.Parse(strList[4]);
int n4 = int.Parse(strList[5]);
int id = m_numTotalEles;
TetraElement ele = new TetraElement(n1, n2, n3, n4, id);
readSuccess = gridOnwer.AddElement(ele);
if (readSuccess)
{
m_numTotalEles += 1;// 成功读入一个节点
}
else
{
Debug.WriteLine("Error when parse volumeelements");
continue;//读入下一个节点
}
}
}
}
gridOnwer.AfterAdd(false); //根据传入的节点和单元信息构造actor
#endregion
}
catch (Exception e)
{
gridOnwer.AfterAdd(false);
Logger.WriteLogMessage("Mesher:ReadGridFile_3D:" + e.Message);
result = false;
}
return(result);
}
