/// <summary>
/// Loads the transfer function file at the given file path, if there is one.
/// </summary>
/// <param name="filePath"></param>
public void loadTransferFunction(string filePath)
{
try
{
// Read the JSON file specified by the path
StreamReader reader = new StreamReader(filePath);
string textFromFile = reader.ReadToEnd();
reader.Close();
// Create a temporary serializeable object to store the points
ControlPointLists newPoints = JsonUtility.FromJson <ControlPointLists>(textFromFile);
alphaPoints = newPoints.alphaPoints;
colorPoints = newPoints.colorPoints;
//// Scale the transfer function points to the current isovalue range (added for 16-bit support)
//for (int i = 0; i < newPoints.alphaPoints.Count; i++)
//{
// newPoints.alphaPoints[i].isovalue = (int) Mathf.Clamp((float)Math.Round((newPoints.alphaPoints[i].isovalue / 65535.0f) * isovalueRange), 0, isovalueRange);
//}
//for (int i = 0; i < newPoints.colorPoints.Count; i++)
//{
// newPoints.colorPoints[i].isovalue = (int)Mathf.Clamp((float)Math.Round((newPoints.colorPoints[i].isovalue / 65535.0f) * isovalueRange), 0, isovalueRange);
//}
// Tell the transfer function update
transferFunctionChanged = true;
Debug.Log("Transfer function loaded.");
}
catch (Exception e)
{
Debug.Log("Failed to load transfer function due to exception: " + e);
}
}
/*****************************************************************************
* TRANSFER FUNCTION FILE IO
*****************************************************************************/
/// <summary>
/// Saves the current control points to the given path.
/// </summary>
/// <param name="filePath"></param>
public void saveTransferFunction(string filePath)
{
try
{
// Create a temporary serializeable object for saving
ControlPointLists points = new ControlPointLists();
points.alphaPoints = alphaPoints;
points.colorPoints = colorPoints;
//// Scale the transfer function points to the 16-bit range (0-65535)
//for (int i = 0; i < points.alphaPoints.Count; i++)
//{
// points.alphaPoints[i].isovalue = (int)Mathf.Clamp((float)Math.Round((points.alphaPoints[i].isovalue / (float) isovalueRange) * 65535), 0, 65535);
//}
//for (int i = 0; i < points.colorPoints.Count; i++)
//{
// points.colorPoints[i].isovalue = (int)Mathf.Clamp((float)Math.Round((points.colorPoints[i].isovalue / (float) isovalueRange) * 65535), 0, 65535);
//}
// Write the points object to JSON
string jsonString = JsonUtility.ToJson(points, true);
// Write the JSON to the file specified by the path
StreamWriter writer = new StreamWriter(filePath, false);
writer.Write(jsonString);
writer.Close();
Debug.Log("Transfer function saved.");
}
catch (Exception e)
{
Debug.Log("Failed to save transfer function due to exception: " + e);
}
}
/// <summary>
/// Loads the transfer function file at the given file path, if there is one.
/// </summary>
/// <param name="filePath"></param>
public void loadTransferFunction(string filePath)
{
try
{
// Read the JSON file specified by the path
StreamReader reader = new StreamReader(filePath);
string textFromFile = reader.ReadToEnd();
reader.Close();
// Create a temporary serializeable object to store the points
ControlPointLists newPoints = JsonUtility.FromJson <ControlPointLists>(textFromFile);
alphaPoints = newPoints.alphaPoints;
colorPoints = newPoints.colorPoints;
// Tell the transfer function update
transferFunctionChanged = true;
Debug.Log("Transfer function loaded.");
}
catch (Exception e)
{
Debug.Log("Failed to load transfer function due to exception: " + e);
}
}
/*****************************************************************************
* TRANSFER FUNCTION FILE IO
*****************************************************************************/
/// <summary>
/// Saves the current control points to the given path.
/// </summary>
/// <param name="filePath"></param>
public void saveTransferFunction(string filePath)
{
try
{
// Create a temporary serializeable object for saving
ControlPointLists points = new ControlPointLists();
points.alphaPoints = alphaPoints;
points.colorPoints = colorPoints;
// Write the points object to JSON
string jsonString = JsonUtility.ToJson(points, true);
// Write the JSON to the file specified by the path
StreamWriter writer = new StreamWriter(filePath, false);
writer.Write(jsonString);
writer.Close();
Debug.Log("Transfer function saved.");
}
catch (Exception e)
{
Debug.Log("Failed to save transfer function due to exception: " + e);
}
}
