/*
* ReadOML
*
* Read an OML or ZML file.
* Takes in the path of the file, an array of OilIDs, a reference to 3D particles, and a pointer to which record in the array
* of OilIDs should be used.
*
* Copied whole-cloth from code originally provided by ASA.
*
*/
public static string ReadOML(string file,OilID[] recs, ref Particle3D[] parts, int trjver, int oilptr)
{
int fpos = 0;
FileStream fs_oml = null;
BinaryReader reader = null;
try
{
fs_oml = File.Open(file,FileMode.Open,FileAccess.Read);
reader = new BinaryReader(fs_oml);
System.Array.Resize(ref parts, recs[oilptr].nRecs);
fpos = (recs[oilptr].rec-1)*40;
reader.BaseStream.Seek(fpos,SeekOrigin.Begin);
for(int i = 0; i < recs[oilptr].nRecs;i++)
{
parts[i] = new Particle3D(reader.ReadSingle(),reader.ReadSingle(),reader.ReadSingle(),reader.ReadInt32(),reader.ReadSingle(),reader.ReadSingle(),reader.ReadSingle(),reader.ReadSingle(),reader.ReadSingle(),reader.ReadSingle());
}
reader.Close();
fs_oml.Close();
fs_oml.Dispose();
}
catch (Exception ex)
{
return "Error: ReadOML: " + ex.Message;
}
finally
{
if(reader != null)
reader.Close();
if(fs_oml != null)
{
fs_oml.Close();
}
}
return "READ OK";
}
/**
* ReadOMP
* Read a .OMP or .ZMP binary file. Takes in the path of the file and a reference to an OilID array
* to populate the pointer records.
* This function was pretty much written directly from provided code by ASA.
*
*/
public static string ReadOMP(string file, ref OilID[] refID)
{
int trjver;
long numBytes = -1;
int ntSteps = -1;
FileStream fs = null;
BinaryReader reader = null;
int pos = 0;
try
{
fs = File.Open(file,FileMode.Open,FileAccess.Read);
numBytes = fs.Length;
if(numBytes <= 0)
return "Empty OMP file.";
reader = new BinaryReader(fs);
trjver = reader.ReadInt32(); // Get Traj version indicator
if(trjver == 1002)
ntSteps = Convert.ToInt32(numBytes/12)-1;
else
{
fs.Close();
return "Oilmap version is not supported";
}
pos = 12;
reader.BaseStream.Seek(pos,SeekOrigin.Begin); // Jump ahead 12 bytes.
System.Array.Resize(ref refID,ntSteps);
for(int i = 0; i < ntSteps; i++)
{
// Read into an array, getting Index, Timestep, and Record#
refID[i] = new OilID(reader.ReadInt32(),reader.ReadInt32(),reader.ReadInt32());
}
reader.Close();
fs.Close();
fs.Dispose();
}
catch (Exception ex)
{
return "Error: " + ex.Message;
}
finally
{
if(fs != null)
fs.Close();
if(reader != null)
reader.Close();
}
return "OMP file read!";
}
