/* This function summarize only head and spines Joint Vector from a given Joint Data Set.
* jointData is the joints data set.
*/
private static double[] SummarizeJointsVectorFromHeadAndTorso(UKI_DataRaw joint_data)
{
Type joint_data_type = joint_data.GetType();
double[] result = new double[3] {
0f, 0f, 0f
};
string[] field_names = new string[] { "ShoulderCenter", "Spine", "HipCenter", "Head" };
// To loop through the members
foreach (System.Reflection.FieldInfo info in joint_data_type.GetFields())
{
// Console.WriteLine(info.Name);
for (int i = 0; i < field_names.Length; i++)
{
if (info.Name == field_names[i])
{
double[] vector_infos = new double[] { 0, 0, 0 };
vector_infos = info.GetValue(joint_data) as double[];
result[0] += vector_infos[0];
result[1] += vector_infos[1];
result[2] += vector_infos[2];
}
}
}
return(result);
}
/* This function create a RawData object from a string format as a CSV File using coma delimiter */
public static UKI_DataRaw CreateSkeletonRawDataFromString(string data)
{
var normalized_skeleton_data = new UKI_DataRaw();
double[] tmp_condition_type = new double[] { 0, 0, 0 };
int i = 1;
string[] xyz_vector_data = data.Split(',');
normalized_skeleton_data.time = "";
normalized_skeleton_data.id = 0;
Type joint_data_type = normalized_skeleton_data.GetType();
foreach (System.Reflection.FieldInfo info in joint_data_type.GetFields())
{
if (info.FieldType == tmp_condition_type.GetType())
{
double[] xyz_joint_vector = new double[] { 0, 0, 0 };
xyz_joint_vector[0] = double.Parse(xyz_vector_data[i]);
xyz_joint_vector[1] = double.Parse(xyz_vector_data[i + 1]);
xyz_joint_vector[2] = double.Parse(xyz_vector_data[i + 2]);
i += 3;
info.SetValue(normalized_skeleton_data, xyz_joint_vector);
}
}
return(normalized_skeleton_data);
}
/* This function add column infos on the CSV file */
private static string DisplayColumnInfo(UKI_DataRaw jointData, Type type_of_members)
{
string infos = " ,";
Type joint_data_type = jointData.GetType();
foreach (System.Reflection.FieldInfo info in joint_data_type.GetFields())
{
if (info.FieldType == type_of_members)
{
infos += info.Name + "_x," + info.Name + "_y," + info.Name + "_z,";
}
}
return(infos);
}
/* This function add result of final centroid caculation in the CSV file */
private static string DisplayJointsVectorHeadAndTorsoToCentroid(UKI_DataRaw joint_data, double[] joint_sum_canonical, double[] joint_sum_current, double duration_frame_inverse)
{
string infos = "";
Type joint_data_type = joint_data.GetType();
foreach (System.Reflection.FieldInfo info in joint_data_type.GetFields())
{
if (info.FieldType == joint_sum_canonical.GetType())
{
double[] xyz_joint_vector = info.GetValue(joint_data) as double[];
double normalized_x = SpineCentroidCalculation(xyz_joint_vector[0], joint_sum_canonical[0], joint_sum_current[0], duration_frame_inverse);
double normalized_y = SpineCentroidCalculation(xyz_joint_vector[1], joint_sum_canonical[1], joint_sum_current[1], duration_frame_inverse);
double normalized_z = SpineCentroidCalculation(xyz_joint_vector[2], joint_sum_canonical[2], joint_sum_current[2], duration_frame_inverse);
infos += normalized_x + "," + normalized_y + "," + normalized_z + ",";
}
}
return(infos);
}
/* This function add result of rescalling in the CSV file */
private static string DisplayJointsVectorRescalling(UKI_DataRaw joint_data, double[] canonical_pose_vector, double[] current_pose_vector)
{
string infos = "";
Type joint_data_type = joint_data.GetType();
foreach (System.Reflection.FieldInfo info in joint_data_type.GetFields())
{
if (info.FieldType == canonical_pose_vector.GetType())
{
double[] xyz_joint_vector = info.GetValue(joint_data) as double[];
double normalized_x = RescaleJointsVector(xyz_joint_vector[0], canonical_pose_vector[0], current_pose_vector[0]);
double normalized_y = RescaleJointsVector(xyz_joint_vector[1], canonical_pose_vector[1], current_pose_vector[1]);
double normalized_z = RescaleJointsVector(xyz_joint_vector[2], canonical_pose_vector[2], current_pose_vector[2]);
infos += normalized_x + "," + normalized_y + "," + normalized_z + ",";
}
}
return(infos);
}
/* This function shifts joint such that the centroid is at the origin*/
private static string DisplayJointsVectorToCentroid(UKI_DataRaw jointData, double[] joint_sum, double duration_frame_inverse,
UKI_DataRaw canonicalJointData)
{
string infos = "";
Type joint_data_type = jointData.GetType();
foreach (System.Reflection.FieldInfo info in joint_data_type.GetFields())
{
if (info.FieldType == joint_sum.GetType())
{
double[] xyz_joint_vector = info.GetValue(jointData) as double[];
double normalized_x = ShiftJointVectorToCentroid(xyz_joint_vector[0], joint_sum[0], duration_frame_inverse);
double normalized_y = ShiftJointVectorToCentroid(xyz_joint_vector[1], joint_sum[1], duration_frame_inverse);;
double normalized_z = ShiftJointVectorToCentroid(xyz_joint_vector[2], joint_sum[2], duration_frame_inverse);;
infos += normalized_x + "," + normalized_y + "," + normalized_z + ",";
}
}
return(infos);
}
/* This function summarize all Joint Vector from a given Joint Data Set.
* jointData is the joints data set.
*/
private static double[] SummarizeJointsVector(UKI_DataRaw jointData)
{
Type joint_data_type = jointData.GetType();
double[] result = new double[3] {
0f, 0f, 0f
};
// To loop through the members
foreach (System.Reflection.FieldInfo info in joint_data_type.GetFields())
{
if (info.FieldType == result.GetType())
{
double[] vector_infos = new double[] { 0, 0, 0 };
vector_infos = info.GetValue(jointData) as double[];
result[0] += vector_infos[0];
result[1] += vector_infos[1];
result[2] += vector_infos[2];
}
}
return(result);
}
