/// <summary>
/// Reads new preset, updating color and opacity function from it.
/// </summary>
/// <param name="presetName">Name of choosen preset.</param>
public void ChangeColorAndOpacityFunction(PresetInformation PresetInfo)
{
vtkColorTransferFunction ctf = vtkColorTransferFunction.New();
vtkPiecewiseFunction spwf = vtkPiecewiseFunction.New();
if (PresetInfo != null)
{
foreach (var pair in PresetInfo.Series[0].OpacityFunction)
{
spwf.AddPoint(pair.Key, pair.Value);
}
foreach (var pair in PresetInfo.Series[0].ColorFuction)
{
ctf.AddRGBSegment(pair.Key, pair.Value[0].R, pair.Value[0].G, pair.Value[0].B,
pair.Key, pair.Value[1].R, pair.Value[1].G, pair.Value[1].B);
}
ctf.SetScaleToLinear();
_volume.GetProperty().SetColor(ctf);
_volume.GetProperty().SetScalarOpacity(spwf);
_currentSerieNumber = 0;
Update3DVisualization();
}
}
/// <summary>
/// Reads new preset, updating color and opacity function from it.
/// </summary>
/// <param name="presetName">Name of choosen preset.</param>
public void ChangeColorAndOpacityFunction(string presetName)
{
vtkColorTransferFunction ctf = vtkColorTransferFunction.New();
vtkPiecewiseFunction spwf = vtkPiecewiseFunction.New();
PresetInfo = PresetReader.ReadXmlFile(presetName);
_chart.Series["OpacityFunction"].Points.Clear();
_chart.Series["OpacityFunctionSpline"].Points.Clear();
foreach (var pair in PresetInfo.Series[0].OpacityFunction)
{
spwf.AddPoint(pair.Key, pair.Value);
_chart.Series["OpacityFunction"].Points.AddXY(pair.Key, pair.Value);
_chart.Series["OpacityFunctionSpline"].Points.AddXY(pair.Key, pair.Value);
}
foreach (var pair in PresetInfo.Series[0].ColorFuction)
{
ctf.AddRGBSegment(pair.Key, pair.Value[0].R, pair.Value[0].G, pair.Value[0].B,
pair.Key, pair.Value[1].R, pair.Value[1].G, pair.Value[1].B);
//Color colorRight = Color.FromArgb((int)pair.Value[1].R, (int)pair.Value[1].G, (int)pair.Value[1].B);
//Color colorLeft = Color.FromArgb((int)pair.Value[0].R, (int)pair.Value[0].G, (int)pair.Value[0].B);
}
ctf.SetScaleToLinear();
_volume.GetProperty().SetColor(ctf);
_volume.GetProperty().SetScalarOpacity(spwf);
_currentSerieNumber = 0;
}
/// <summary>
/// Changes the opacity function to another serie from preset.
/// </summary>
/// <param name="numberOfSerie">Number of serie to update.</param>
public void ChangeToSerie(PresetInformation PresetInfo, int numberOfSerie)
{
vtkPiecewiseFunction spwf = vtkPiecewiseFunction.New();
foreach (var pair in PresetInfo.Series[numberOfSerie].OpacityFunction)
{
spwf.AddPoint(pair.Key, pair.Value);
}
_volume.GetProperty().SetScalarOpacity(spwf);
_window.Validate();
_window.Update();
_window.RenderWindow.Render();
_currentSerieNumber = numberOfSerie;
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBoxSeries != null && PresetInfo != null)
{
PresetInfo = PresetReader.ReadXmlFile(comboBox1.Text);
if (_vizualization3D != null)
{
_vizualization3D.ChangeColorAndOpacityFunction(PresetInfo);
}
comboBoxSeries.Items.Clear();
int numberOfSeries = PresetInfo.Series.Count;
for (var i = 0; i < numberOfSeries; i++)
{
comboBoxSeries.Items.Add(i.ToString(CultureInfo.InvariantCulture));
}
comboBoxSeries.SelectedIndex = 0;
updateChart();
colorStrip.Invalidate();
}
}
//wizualizacja 3d -----------------------------------------------------------------
private void fourthWindow_Load(object sender, EventArgs e)
{
string[] filePaths = Directory.GetFiles(Path.Combine(Directory.GetCurrentDirectory(), PresetDir), "*.xml");
PresetInfo = PresetReader.ReadXmlFile(new FileInfo(filePaths[0]).Name);
foreach (string dir in filePaths)
{
comboBox1.Items.Add(new FileInfo(dir).Name);
}
comboBox1.SelectedIndex = 1;
comboBoxSeries.Items.Clear();
int numberOfSeries = PresetInfo.Series.Count;
for (int i = 0; i < numberOfSeries; i++)
{
comboBoxSeries.Items.Add(i.ToString(CultureInfo.InvariantCulture));
}
comboBoxSeries.SelectedIndex = 0;
createVisialization3D();
updateChart();
}
/// <summary>
/// Generate strip representing function of color.
/// </summary>
/// <param name="sourceGraphics">Graphics to paint strip on.</param>
/// <param name="height">Strip height.</param>
/// <param name="width">Strip width.</param>
public void GenerateStrip(PresetInformation PresetInfo, Graphics sourceGraphics, int height, int width)
{
var opacityFunction = _volume.GetProperty().GetScalarOpacity();
var colorFunction = _volume.GetProperty().GetRGBTransferFunction();
double[] rangeArray = opacityFunction.GetRange();
var min = (float)rangeArray[0];
var max = (float)rangeArray[1];
int len = (int)(max - min);
logger.Warn(rangeArray[1].ToString() + " " + rangeArray[0].ToString());
int unit = len / width;
int counter;
int? prevCounter = null;
float counterf = 0;
var colorList = PresetInfo.Series[_currentSerieNumber].ColorFuction.Keys
.Where(key => key > min & key < max)
.Select(key => PresetInfo.Series[_currentSerieNumber].ColorFuction[key]).ToList();
var firstColor = Color.FromArgb(255, (int)colorFunction.GetRedValue(min),
(int)colorFunction.GetGreenValue(min), (int)colorFunction.GetBlueValue(min));
var lastColor = Color.FromArgb(255, (int)colorFunction.GetRedValue(max),
(int)colorFunction.GetGreenValue(max), (int)colorFunction.GetBlueValue(max));
colorList.Add(new Color[] { lastColor, lastColor });
colorList.Insert(0, new Color[] { firstColor, firstColor });
var keyList = PresetInfo.Series[_currentSerieNumber].ColorFuction.Keys.Select(key => key).Where(key => key > min & key < max).ToList();
keyList.Add(max);
keyList.Insert(0, min);
int i = -1;
foreach (var key in keyList)
{
i++;
if (prevCounter == null)
{
prevCounter = (int)0;
counterf = key;
}
else
{
counter = (int)((key - counterf) / unit);
if (counter > 0)
{
var colorInfo1 = colorList[i - 1][1];
var colorInfo2 = colorList[i][0];
logger.Warn(counterf.ToString() + " " + key.ToString() + " " + colorInfo1.ToString() + " " + colorInfo2.ToString());
var rect = new Rectangle(prevCounter.Value, 0, prevCounter.Value + counter, height);
using (Brush aGradientBrush = new LinearGradientBrush(rect, colorInfo1, colorInfo2, LinearGradientMode.Horizontal))
{
sourceGraphics.FillRectangle(aGradientBrush, prevCounter.Value, 0, prevCounter.Value + counter, height);
}
}
prevCounter = prevCounter.Value + counter;
counterf = key;
}
}
}
