public void ComputeVectorFields(int resolution, double KPM, double deltaK)
{
string statesFile = "VectorFields.mg";
statesFile = Simulator.logDir + "/" + statesFile;
FileStream fs = new FileStream(statesFile, FileMode.OpenOrCreate);
List <PersistantVectorFields> vectorFields = new List <PersistantVectorFields>();
CsvSerializer <PersistantVectorFields> serializer = new CsvSerializer <PersistantVectorFields>();
serializer.Separator = ';';
velocities = new Vector[resolution, resolution, resolution];
gradPHI = new Vector[resolution, resolution, resolution];
vPeronaMalik = new double[resolution + 1, resolution + 1, resolution + 1];
gradPeronaMalik = new Vector[resolution, resolution, resolution];
int halfResolution = resolution / 2;
int count = 0;
for (int i = 0; i < resolution; i++)
{
for (int j = 0; j < resolution; j++)
{
for (int k = 0; k < resolution; k++)
{
PersistantVectorFields pvf = new PersistantVectorFields();
pvf.I = i; pvf.J = j; pvf.K = k;
pvf.X = X[i, j, k];
pvf.vPHI = (float)vPHI[i, j, k];
gradPHI[i, j, k] = new Vector();
if (i == halfResolution)
{
gradPHI[i, j, k].x = 0;
}
else if (i < halfResolution)
{
gradPHI[i, j, k].x = (vPHI[i + 1, j, k] - vPHI[i, j, k]) / thau.x;
}
else
{
gradPHI[i, j, k].x = -(vPHI[i - 1, j, k] - vPHI[i, j, k]) / thau.x;
}
if (j == halfResolution)
{
gradPHI[i, j, k].y = 0;
}
else if (j < halfResolution)
{
gradPHI[i, j, k].y = (vPHI[i, j + 1, k] - vPHI[i, j, k]) / thau.y;
}
else
{
gradPHI[i, j, k].y = -(vPHI[i, j - 1, k] - vPHI[i, j, k]) / thau.y;
}
if (k == halfResolution)
{
gradPHI[i, j, k].z = 0;
}
else if (k < halfResolution)
{
gradPHI[i, j, k].z = (vPHI[i, j, k + 1] - vPHI[i, j, k]) / thau.z;
}
else
{
gradPHI[i, j, k].z = -(vPHI[i, j, k - 1] - vPHI[i, j, k]) / thau.z;
}
//gradPHI[i, j, k] = new Vector(
// (vPHI[i + 1, j, k] - vPHI[i, j, k]) / thau.x,
// (vPHI[i, j + 1, k] - vPHI[i, j, k]) / thau.y,
// (vPHI[i, j, k + 1] - vPHI[i, j, k]) / thau.z
//);
pvf.gradPHI = gradPHI[i, j, k];
vPeronaMalik[i, j, k] = Helper.PeronaMalik(gradPHI[i, j, k].sqrNorm(), KPM);
pvf.vPeronaMalik = (float)vPeronaMalik[i, j, k];
//Console.WriteLine(i +","+ j + "," + k + ":" + vPeronaMalik[i, j, k]);
vectorFields.Add(pvf);
count++;
}
}
}
count = 0;
for (int i = 0; i < resolution; i++)
{
for (int j = 0; j < resolution; j++)
{
for (int k = 0; k < resolution; k++)
{
gradPeronaMalik[i, j, k] = new Vector();
if (i == halfResolution)
{
gradPeronaMalik[i, j, k].x = 0;
}
else if (i < halfResolution)
{
gradPeronaMalik[i, j, k].x = (vPeronaMalik[i + 1, j, k] - vPeronaMalik[i, j, k]) / thau.x;
}
else
{
gradPeronaMalik[i, j, k].x = -(vPeronaMalik[i - 1, j, k] - vPeronaMalik[i, j, k]) / thau.x;
}
if (j == halfResolution)
{
gradPeronaMalik[i, j, k].y = 0;
}
else if (j < halfResolution)
{
gradPeronaMalik[i, j, k].y = (vPeronaMalik[i, j + 1, k] - vPeronaMalik[i, j, k]) / thau.y;
}
else
{
gradPeronaMalik[i, j, k].y = -(vPeronaMalik[i, j - 1, k] - vPeronaMalik[i, j, k]) / thau.y;
}
if (k == halfResolution)
{
gradPeronaMalik[i, j, k].z = 0;
}
else if (k < halfResolution)
{
gradPeronaMalik[i, j, k].z = (vPeronaMalik[i, j, k + 1] - vPeronaMalik[i, j, k]) / thau.z;
}
else
{
gradPeronaMalik[i, j, k].z = -(vPeronaMalik[i, j, k - 1] - vPeronaMalik[i, j, k]) / thau.z;
}
//gradPeronaMalik[i, j, k] = new Vector(
// (vPeronaMalik[i + 1, j, k] - vPeronaMalik[i, j, k]) / thau.x,
// (vPeronaMalik[i, j + 1, k] - vPeronaMalik[i, j, k]) / thau.y,
// (vPeronaMalik[i, j, k + 1] - vPeronaMalik[i, j, k]) / thau.z
//);
vectorFields[count].gradPeronaMalik = gradPeronaMalik[i, j, k];
count++;
}
}
}
for (int i = 0; i < resolution; i++)
{
for (int j = 0; j < resolution; j++)
{
for (int k = 0; k < resolution; k++)
{
velocities[i, j, k] = -gradPeronaMalik[i, j, k];
}
}
}
serializer.Serialize(fs, vectorFields);
fs.Close();
}
public void ComputeVectorFields1(int resolution, double KPM, double deltaK)
{
string statesFile = "VectorFields.mg";
statesFile = Simulator.logDir + "/" + statesFile;
FileStream fs = new FileStream(statesFile, FileMode.OpenOrCreate);
List <PersistantVectorFields> vectorFields = new List <PersistantVectorFields>();
CsvSerializer <PersistantVectorFields> serializer = new CsvSerializer <PersistantVectorFields>();
serializer.Separator = ';';
velocities = new Vector[resolution, resolution];
gradPHI = new Vector[resolution, resolution];
vPeronaMalik = new double[resolution + 1, resolution + 1];
gradPeronaMalik = new Vector[resolution, resolution];
int count = 0;
for (int i = 0; i < resolution; i++)
{
for (int j = 0; j < resolution; j++)
{
PersistantVectorFields pvf = new PersistantVectorFields();
pvf.I = i; pvf.J = j;
pvf.X = X[i, j];
pvf.vPHI = (float)vPHI[i, j];
gradPHI[i, j] = new Vector(
(vPHI[i + 1, j] - vPHI[i, j]) / thau.x,
(vPHI[i, j + 1] - vPHI[i, j]) / thau.y
);
pvf.gradPHI = gradPHI[i, j];
vPeronaMalik[resolution, j] = vPeronaMalik[1, j];
vPeronaMalik[i, resolution] = vPeronaMalik[i, 1];
vPeronaMalik[i, j] = Helper.PeronaMalik(gradPHI[i, j].sqrNorm(), KPM);
pvf.vPeronaMalik = (float)vPeronaMalik[i, j];
vectorFields.Add(pvf);
count++;
}
}
count = 0;
for (int i = 0; i < resolution; i++)
{
for (int j = 0; j < resolution; j++)
{
gradPeronaMalik[i, j] = new Vector(
(vPeronaMalik[i + 1, j] - vPeronaMalik[i, j]) / thau.x,
(vPeronaMalik[i, j + 1] - vPeronaMalik[i, j]) / thau.y
);
vectorFields[count].gradPeronaMalik = gradPeronaMalik[i, j];
gradPeronaMalik[resolution - 1, j] = -gradPeronaMalik[0, j];
gradPeronaMalik[i, resolution - 1] = -gradPeronaMalik[i, 0];
count++;
}
}
for (int i = 0; i < resolution; i++)
{
for (int j = 0; j < resolution; j++)
{
velocities[i, j] = -gradPeronaMalik[i, j];
}
}
serializer.Serialize(fs, vectorFields);
fs.Close();
}
