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MainWindow.xaml.cs
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using EvilDICOM.Core;
using EvilDICOM.Core.Element;
using EvilDICOM.Core.Helpers;
using OxyPlot;
using OxyPlot.Annotations;
using OxyPlot.Axes;
using OxyPlot.Legends;
using OxyPlot.Series;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace DoseGradient
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public string DoseFilePath;
public List<string> ImageFilesList = new List<string>() { };
public uint[,,] DoseMatrix;
public List<double[,]> DoseMatrixList = new List<double[,]>() { };
public List<double[,]> ImageMatrixList = new List<double[,]>() { };
public PlotModel PlotModelImageDose { get; set; }
public HeatMapSeries DoseImageHeatMapSeries = new HeatMapSeries { };
public LinearColorAxis DoseImageHeatMapAxis = new LinearColorAxis { Palette = OxyPalettes.Jet(1024), LowColor = OxyColors.Black, Position = AxisPosition.None };
public PlotModel PlotModelProfile { get; set; }
public int DoseCurrentSliceIndex = 0;
public int ImageCurrentSliceIndex = 0;
public List<double> ImagePixelSpacing;
public List<double> DosePixelSpacing;
public double DoseScaling;
public int bits32_16;
public List<double> ImageWindowLevel;
public List<double> DoseImagePositionPatient;
public List<List<double>> ImageImagePositionPatient;
public List<double> gradientXPositions = new List<double>() { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
public List<double> gradientDoses = new List<double>() { 0, 0, 30.6, 30.6, 0, 0, 30.6, 30.6, 0, 0 };
public double trackerXPos;
public MainWindow()
{
Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");
InitializeComponent();
this.SizeChanged += LayoutUpdate;
this.DoseImagePlotTypeComboBox.ItemsSource = new List<string>() { "Dose", "Image" };
AddPlotModelToDoseImagePlot();
AddPlotModelToProfilePlot();
this.PlotModelImageDose.TrackerChanged += SynchroniseTrackerLineImageDose;
this.PlotModelProfile.TrackerChanged += SynchroniseTrackerLineProfile;
this.PlotModelImageDose.KeyDown += CatchTrackerPosition;
}
private void SynchroniseTrackerLineImageDose(Object sender, TrackerEventArgs args)
{
if (args.HitResult != null)
{
var currentResult = args.HitResult;
var currentPosition = currentResult.Position;
LineSeries lineseries = this.PlotModelProfile.Series.First(x => (string)x.Tag == "LineSeries") as LineSeries;
DataPoint dataPosition = this.DoseImageHeatMapSeries.InverseTransform(currentPosition);
ScreenPoint screenPositionProfile = lineseries.Transform(new DataPoint(dataPosition.X, GetDoseFromProfileAtPosition(dataPosition.X)));
TrackerHitResult result = lineseries.GetNearestPoint(screenPositionProfile, true);
this.OxyPlotProfile.ShowTracker(result);
this.trackerXPos = dataPosition.X;
}
else
{
this.OxyPlotProfile.HideTracker();
}
}
private void SynchroniseTrackerLineProfile(Object sender, TrackerEventArgs args)
{
if (args.HitResult != null)
{
var currentResult = args.HitResult;
var currentPosition = currentResult.Position;
double middle = (this.DoseImageHeatMapSeries.Y0 + this.DoseImageHeatMapSeries.Y1) / 2.0;
LineSeries lineseries = this.PlotModelProfile.Series.First(x => (string)x.Tag == "LineSeries") as LineSeries;
DataPoint dataPosition = lineseries.InverseTransform(currentPosition);
ScreenPoint screenPositionDoseImage = this.DoseImageHeatMapSeries.Transform(new DataPoint(dataPosition.X, middle));
TrackerHitResult result = this.DoseImageHeatMapSeries.GetNearestPoint(screenPositionDoseImage, true);
this.OxyPlotImageDose.ShowTracker(result);
this.trackerXPos = dataPosition.X;
}
else
{
this.OxyPlotImageDose.HideTracker();
}
}
private void CatchTrackerPosition(object sender, OxyKeyEventArgs e)
{
if (e.Key == OxyKey.D1)
{
this.TextBoxP1.Text = this.trackerXPos.ToString("F2", new CultureInfo("en-US"));
}
else if (e.Key == OxyKey.D2)
{
this.TextBoxP2.Text = this.trackerXPos.ToString("F2", new CultureInfo("en-US"));
}
else if (e.Key == OxyKey.D3)
{
this.TextBoxP3.Text = this.trackerXPos.ToString("F2", new CultureInfo("en-US"));
}
else if (e.Key == OxyKey.D4)
{
this.TextBoxP4.Text = this.trackerXPos.ToString("F2", new CultureInfo("en-US"));
}
else if (e.Key == OxyKey.D5)
{
this.TextBoxP5.Text = this.trackerXPos.ToString("F2", new CultureInfo("en-US"));
}
else if (e.Key == OxyKey.D6)
{
this.TextBoxP6.Text = this.trackerXPos.ToString("F2", new CultureInfo("en-US"));
}
else if (e.Key == OxyKey.D7)
{
this.TextBoxP7.Text = this.trackerXPos.ToString("F2", new CultureInfo("en-US"));
}
else if (e.Key == OxyKey.D8)
{
this.TextBoxP8.Text = this.trackerXPos.ToString("F2", new CultureInfo("en-US"));
}
TextBoxLostFocus(null, null);
}
private void SetPlotTypeComboBox()
{
this.DoseImagePlotTypeComboBox.SelectedIndex = 0;
}
private void AddPlotModelToDoseImagePlot()
{
var plotModel = new PlotModel { PlotType = PlotType.Cartesian };
plotModel.Axes.Add(this.DoseImageHeatMapAxis);
//dummy axes for titles:
LinearAxis axx = new LinearAxis { Title = "dicom Z [cm]", Position = AxisPosition.Bottom };
LinearAxis axy = new LinearAxis { Title = "dicom Y [cm]", Position = AxisPosition.Left };
plotModel.Axes.Add(axx);
plotModel.Axes.Add(axy);
CreateSeriesDose(plotModel);
this.PlotModelImageDose = plotModel;
this.OxyPlotImageDose.Model = this.PlotModelImageDose;
this.PlotModelImageDose.Background = OxyColors.Black;
this.PlotModelImageDose.TextColor = OxyColors.White;
this.PlotModelImageDose.SelectionColor = OxyColors.White;
this.PlotModelImageDose.PlotAreaBorderColor = OxyColors.White;
this.DoseImageHeatMapAxis.AxislineColor = OxyColors.White;
this.DoseImageHeatMapAxis.TextColor = OxyColors.White;
this.DoseImageHeatMapAxis.TicklineColor = OxyColors.White;
}
public void CreateSeriesDose(PlotModel plotModel)
{
var series = new HeatMapSeries
{
X0 = 0,
X1 = 1,
Y0 = 0,
Y1 = 1,
Interpolate = false,
RenderMethod = HeatMapRenderMethod.Bitmap,
LabelFormatString = "0.0",
TrackerFormatString = "{0}\n{1}: {2:0.##}\n{3}: {4:0.##}\n{5}: {6:0.##}",
Data = new double[0, 0] { }
};
var myController = new PlotController();
this.OxyPlotImageDose.Controller = myController;
myController.UnbindMouseWheel();
myController.UnbindMouseDown(OxyMouseButton.Middle, OxyModifierKeys.Control);
myController.UnbindMouseDown(OxyMouseButton.Right, OxyModifierKeys.None);
myController.UnbindMouseDown(OxyMouseButton.Right, OxyModifierKeys.None, 2);
myController.UnbindMouseDown(OxyMouseButton.Middle, OxyModifierKeys.None);
myController.UnbindMouseDown(OxyMouseButton.Middle, OxyModifierKeys.None, 2);
myController.BindMouseWheel(OxyModifierKeys.Control, OxyPlot.PlotCommands.ZoomWheelFine);
myController.BindMouseDown(OxyMouseButton.Right, OxyModifierKeys.None, OxyPlot.PlotCommands.ZoomRectangle);
myController.BindMouseDown(OxyMouseButton.Right, OxyModifierKeys.None, 2, OxyPlot.PlotCommands.ResetAt);
myController.BindMouseDown(OxyMouseButton.Middle, OxyModifierKeys.None, OxyPlot.PlotCommands.PanAt);
this.DoseImageHeatMapSeries = series;
plotModel.Series.Add(this.DoseImageHeatMapSeries);
}
private void SetAxisColors(LinearAxis axis)
{
axis.AxislineColor = OxyColors.White;
axis.AxislineColor = OxyColors.White;
axis.TextColor = OxyColors.White;
axis.TextColor = OxyColors.White;
axis.TicklineColor = OxyColors.White;
axis.TicklineColor = OxyColors.White;
}
private void AddPlotModelToProfilePlot()
{
var plotModel = new PlotModel { PlotType = PlotType.XY };
LinearAxis axisX = new LinearAxis { Title = "dicom Z [cm]", Position = AxisPosition.Bottom, Tag = "AxisX" };
LinearAxis axisY = new LinearAxis { Title = "dose [Gy]", Position = AxisPosition.Left, Tag = "AxisY" };
SetAxisColors(axisX);
SetAxisColors(axisY);
plotModel.Axes.Add(axisX);
plotModel.Axes.Add(axisY);
this.PlotModelProfile = plotModel;
this.OxyPlotProfile.Model = this.PlotModelProfile;
this.PlotModelProfile.Background = OxyColors.Black;
this.PlotModelProfile.TextColor = OxyColors.White;
this.PlotModelProfile.SelectionColor = OxyColors.White;
this.PlotModelProfile.PlotAreaBorderColor = OxyColors.White;
this.PlotModelProfile.TextColor = OxyColors.White;
var myController = new PlotController();
this.OxyPlotProfile.Controller = myController;
myController.UnbindMouseWheel();
myController.UnbindMouseDown(OxyMouseButton.Middle, OxyModifierKeys.Control);
myController.UnbindMouseDown(OxyMouseButton.Right, OxyModifierKeys.None);
myController.UnbindMouseDown(OxyMouseButton.Right, OxyModifierKeys.None, 2);
myController.UnbindMouseDown(OxyMouseButton.Middle, OxyModifierKeys.None);
myController.UnbindMouseDown(OxyMouseButton.Middle, OxyModifierKeys.None, 2);
myController.BindMouseWheel(OxyModifierKeys.Control, OxyPlot.PlotCommands.ZoomWheelFine);
myController.BindMouseDown(OxyMouseButton.Right, OxyModifierKeys.None, OxyPlot.PlotCommands.ZoomRectangle);
myController.BindMouseDown(OxyMouseButton.Right, OxyModifierKeys.None, 2, OxyPlot.PlotCommands.ResetAt);
myController.BindMouseDown(OxyMouseButton.Middle, OxyModifierKeys.None, OxyPlot.PlotCommands.PanAt);
}
private void CreateLineSeriesProfilePlot()
{
this.PlotModelProfile.Series.Clear();
this.PlotModelProfile.Annotations.Clear();
LineSeries lineSeries = new LineSeries
{
Tag = "LineSeries",
Color = OxyColors.White,
TrackerFormatString = "{0}\n{1}: {2:0.##}\n{3}: {4:0.##}",
CanTrackerInterpolatePoints = true,
};
for (int i = 0; i < this.gradientXPositions.Count; i++)
{
lineSeries.Points.Add(new DataPoint(this.gradientXPositions[i], this.gradientDoses[i]));
var textAnnotation = new TextAnnotation
{
Text = i.ToString(),
TextHorizontalAlignment = OxyPlot.HorizontalAlignment.Center,
TextVerticalAlignment = OxyPlot.VerticalAlignment.Bottom,
Stroke = OxyColors.Transparent,
TextPosition = new DataPoint(this.gradientXPositions[i], this.gradientDoses[i]),
Tag = "TextP" + i.ToString(),
FontSize = 12,
TextColor = OxyColors.White,
Offset = new ScreenVector(0, -5)
};
this.PlotModelProfile.Annotations.Add(textAnnotation);
var pointAnnotation = new PointAnnotation
{
X = this.gradientXPositions[i],
Y = this.gradientDoses[i],
Fill = OxyColors.Yellow
};
this.PlotModelProfile.Annotations.Add(pointAnnotation);
}
this.PlotModelProfile.Series.Add(lineSeries);
// Add text for doses
var textAnnotationD1 = new TextAnnotation
{
Text = "D1",
TextHorizontalAlignment = OxyPlot.HorizontalAlignment.Center,
TextVerticalAlignment = OxyPlot.VerticalAlignment.Bottom,
Stroke = OxyColors.Transparent,
TextPosition = new DataPoint((this.gradientXPositions[0] + this.gradientXPositions[1]) / 2, this.gradientDoses[0]),
Tag = "TextD1",
TextColor = OxyColors.White
};
var textAnnotationD2 = new TextAnnotation
{
Text = "D2",
TextHorizontalAlignment = OxyPlot.HorizontalAlignment.Center,
TextVerticalAlignment = OxyPlot.VerticalAlignment.Bottom,
Stroke = OxyColors.Transparent,
TextPosition = new DataPoint((this.gradientXPositions[2] + this.gradientXPositions[3]) / 2, this.gradientDoses[2]),
Tag = "TextD2",
TextColor = OxyColors.White
};
var textAnnotationD3 = new TextAnnotation
{
Text = "D3",
TextHorizontalAlignment = OxyPlot.HorizontalAlignment.Center,
TextVerticalAlignment = OxyPlot.VerticalAlignment.Bottom,
Stroke = OxyColors.Transparent,
TextPosition = new DataPoint((this.gradientXPositions[4] + this.gradientXPositions[5]) / 2, this.gradientDoses[4]),
Tag = "TextD3",
TextColor = OxyColors.White
};
var textAnnotationD4 = new TextAnnotation
{
Text = "D4",
TextHorizontalAlignment = OxyPlot.HorizontalAlignment.Center,
TextVerticalAlignment = OxyPlot.VerticalAlignment.Bottom,
Stroke = OxyColors.Transparent,
TextPosition = new DataPoint((this.gradientXPositions[6] + this.gradientXPositions[7]) / 2, this.gradientDoses[6]),
Tag = "TextD4",
TextColor = OxyColors.White
};
var textAnnotationD5 = new TextAnnotation
{
Text = "D5",
TextHorizontalAlignment = OxyPlot.HorizontalAlignment.Center,
TextVerticalAlignment = OxyPlot.VerticalAlignment.Bottom,
Stroke = OxyColors.Transparent,
TextPosition = new DataPoint((this.gradientXPositions[8] + this.gradientXPositions[9]) / 2, this.gradientDoses[8]),
Tag = "TextD5",
TextColor = OxyColors.White
};
this.PlotModelProfile.Annotations.Add(textAnnotationD1);
this.PlotModelProfile.Annotations.Add(textAnnotationD2);
this.PlotModelProfile.Annotations.Add(textAnnotationD3);
this.PlotModelProfile.Annotations.Add(textAnnotationD4);
this.PlotModelProfile.Annotations.Add(textAnnotationD5);
var axisx = this.PlotModelProfile.Axes.First(x => (string)x.Tag == "AxisX");
axisx.Minimum = this.gradientXPositions.First();
axisx.Maximum = this.gradientXPositions.Last();
var axisy = this.PlotModelProfile.Axes.First(x => (string)x.Tag == "AxisY");
axisy.Minimum = -2;
axisy.Maximum = this.gradientDoses.Max() * 1.2;
this.PlotModelProfile.InvalidatePlot(true);
AddLineAnnotationsToDoseImage();
}
private void AddLineAnnotationsToDoseImage()
{
this.PlotModelImageDose.Annotations.Clear();
for (int i = 1; i < this.gradientXPositions.Count - 1; i++)
{
var lineAnnotation = new LineAnnotation
{
Type = LineAnnotationType.Vertical,
Color = OxyColors.Black,
X = this.gradientXPositions[i]
};
this.PlotModelImageDose.Annotations.Add(lineAnnotation);
}
this.PlotModelImageDose.InvalidatePlot(true);
}
private void SetGradientStartingValues()
{
int Nx = this.DoseMatrixList[0].GetLength(0);
double x0 = this.DoseImagePositionPatient[2];
double x1 = this.DoseImagePositionPatient[2] + this.DosePixelSpacing[2] * Nx;
double dx = (x1 - x0) / 9.0;
for (int i = 0; i < this.gradientXPositions.Count; i++)
{
this.gradientXPositions[i] = Math.Round(x0 + i * dx, 2);
}
}
private void SetTextBoxes()
{
this.TextBoxD1.Text = this.gradientDoses[0].ToString("F2", new CultureInfo("en-US"));
this.TextBoxD2.Text = this.gradientDoses[2].ToString("F2", new CultureInfo("en-US"));
this.TextBoxD3.Text = this.gradientDoses[4].ToString("F2", new CultureInfo("en-US"));
this.TextBoxD4.Text = this.gradientDoses[6].ToString("F2", new CultureInfo("en-US"));
this.TextBoxD5.Text = this.gradientDoses[8].ToString("F2", new CultureInfo("en-US"));
this.TextBoxP1.Text = this.gradientXPositions[1].ToString("F2", new CultureInfo("en-US"));
this.TextBoxP2.Text = this.gradientXPositions[2].ToString("F2", new CultureInfo("en-US"));
this.TextBoxP3.Text = this.gradientXPositions[3].ToString("F2", new CultureInfo("en-US"));
this.TextBoxP4.Text = this.gradientXPositions[4].ToString("F2", new CultureInfo("en-US"));
this.TextBoxP5.Text = this.gradientXPositions[5].ToString("F2", new CultureInfo("en-US"));
this.TextBoxP6.Text = this.gradientXPositions[6].ToString("F2", new CultureInfo("en-US"));
this.TextBoxP7.Text = this.gradientXPositions[7].ToString("F2", new CultureInfo("en-US"));
this.TextBoxP8.Text = this.gradientXPositions[8].ToString("F2", new CultureInfo("en-US"));
}
private double ConvertTextToDouble(string text)
{
if (Double.TryParse(text, out double result))
{
return result;
}
else
{
return Double.NaN;
}
}
private void OnTextChanged(object sender, TextChangedEventArgs e)
{
TextBox txt = sender as TextBox;
int ind = txt.CaretIndex;
txt.Text = txt.Text.Replace(",", ".");
txt.CaretIndex = ind;
}
private void TextBoxLostFocus(object sender, RoutedEventArgs e)
{
this.gradientDoses[0] = ConvertTextToDouble(this.TextBoxD1.Text);
this.gradientDoses[1] = ConvertTextToDouble(this.TextBoxD1.Text);
this.gradientDoses[2] = ConvertTextToDouble(this.TextBoxD2.Text);
this.gradientDoses[3] = ConvertTextToDouble(this.TextBoxD2.Text);
this.gradientDoses[4] = ConvertTextToDouble(this.TextBoxD3.Text);
this.gradientDoses[5] = ConvertTextToDouble(this.TextBoxD3.Text);
this.gradientDoses[6] = ConvertTextToDouble(this.TextBoxD4.Text);
this.gradientDoses[7] = ConvertTextToDouble(this.TextBoxD4.Text);
this.gradientDoses[8] = ConvertTextToDouble(this.TextBoxD5.Text);
this.gradientDoses[9] = ConvertTextToDouble(this.TextBoxD5.Text);
this.gradientXPositions[1] = ConvertTextToDouble(this.TextBoxP1.Text);
this.gradientXPositions[2] = ConvertTextToDouble(this.TextBoxP2.Text);
this.gradientXPositions[3] = ConvertTextToDouble(this.TextBoxP3.Text);
this.gradientXPositions[4] = ConvertTextToDouble(this.TextBoxP4.Text);
this.gradientXPositions[5] = ConvertTextToDouble(this.TextBoxP5.Text);
this.gradientXPositions[6] = ConvertTextToDouble(this.TextBoxP6.Text);
this.gradientXPositions[7] = ConvertTextToDouble(this.TextBoxP7.Text);
this.gradientXPositions[8] = ConvertTextToDouble(this.TextBoxP8.Text);
CreateLineSeriesProfilePlot();
}
private void Button_Click_1(object sender, RoutedEventArgs e)
{
// default
if (this.DoseMatrix == null)
{
return;
}
this.gradientXPositions = new List<double>() { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
this.gradientDoses = new List<double>() { 0, 0, 30.6, 30.6, 0, 0, 30.6, 30.6, 0, 0 };
SetGradientStartingValues();
CreateLineSeriesProfilePlot();
SetTextBoxes();
}
private void Button_Click_2(object sender, RoutedEventArgs e)
{
// 0 gradient
if (this.DoseMatrix == null)
{
return;
}
this.gradientXPositions = new List<double>() { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
this.gradientDoses = new List<double>() { 30.6, 30.6, 30.6, 30.6, 30.6, 30.6, 30.6, 30.6, 30.6, 30.6 };
SetGradientStartingValues();
CreateLineSeriesProfilePlot();
SetTextBoxes();
}
private void Button_Click_3(object sender, RoutedEventArgs e)
{
// 1 gradient
if (this.DoseMatrix == null)
{
return;
}
double xmin = this.DoseImageHeatMapSeries.X0;
double xmax = this.DoseImageHeatMapSeries.X1;
SetGradientStartingValues();
this.gradientXPositions[0] = xmin;
this.gradientXPositions[1] = xmin;
this.gradientXPositions[2] = xmin;
this.gradientXPositions[3] = (xmin + xmax) / 2.0 - 0.5;
this.gradientXPositions[4] = (xmin + xmax) / 2.0 + 0.5;
this.gradientXPositions[5] = xmax;
this.gradientXPositions[6] = xmax;
this.gradientXPositions[7] = xmax;
this.gradientXPositions[8] = xmax;
this.gradientXPositions[9] = xmax;
this.gradientDoses = new List<double>() { 0, 0, 0, 0, 30.6, 30.6, 30.6, 30.6, 30.6, 30.6 };
CreateLineSeriesProfilePlot();
SetTextBoxes();
}
private void Button_Click_4(object sender, RoutedEventArgs e)
{
// 2 gradients
if (this.DoseMatrix == null)
{
return;
}
double xmin = this.DoseImageHeatMapSeries.X0;
double xmax = this.DoseImageHeatMapSeries.X1;
SetGradientStartingValues();
this.gradientXPositions[0] = xmin;
this.gradientXPositions[1] = xmin;
this.gradientXPositions[2] = xmin;
this.gradientXPositions[3] = xmin + (xmax - xmin) / 3.0 - 0.5;
this.gradientXPositions[4] = xmin + (xmax - xmin) / 3.0 + 0.5;
this.gradientXPositions[5] = xmin + 2 * (xmax - xmin) / 3.0 - 0.5;
this.gradientXPositions[6] = xmin + 2 * (xmax - xmin) / 3.0 + 0.5;
this.gradientXPositions[7] = xmax;
this.gradientXPositions[8] = xmax;
this.gradientXPositions[9] = xmax;
this.gradientDoses = new List<double>() { 0, 0, 0, 0, 30.6, 30.6, 0, 0, 0, 0 };
CreateLineSeriesProfilePlot();
SetTextBoxes();
}
private void Button_Click_7(object sender, RoutedEventArgs e)
{
// 2 gradients upside down
if (this.DoseMatrix == null)
{
return;
}
double xmin = this.DoseImageHeatMapSeries.X0;
double xmax = this.DoseImageHeatMapSeries.X1;
SetGradientStartingValues();
this.gradientXPositions[0] = xmin;
this.gradientXPositions[1] = xmin;
this.gradientXPositions[2] = xmin;
this.gradientXPositions[3] = xmin + (xmax - xmin) / 3.0 - 0.5;
this.gradientXPositions[4] = xmin + (xmax - xmin) / 3.0 + 0.5;
this.gradientXPositions[5] = xmin + 2 * (xmax - xmin) / 3.0 - 0.5;
this.gradientXPositions[6] = xmin + 2 * (xmax - xmin) / 3.0 + 0.5;
this.gradientXPositions[7] = xmax;
this.gradientXPositions[8] = xmax;
this.gradientXPositions[9] = xmax;
this.gradientDoses = new List<double>() { 30.6, 30.6, 30.6, 30.6, 0, 0, 30.6, 30.6, 30.6, 30.6 };
CreateLineSeriesProfilePlot();
SetTextBoxes();
}
private void Button_Click_8(object sender, RoutedEventArgs e)
{
// 1 gradient left to right
if (this.DoseMatrix == null)
{
return;
}
double xmin = this.DoseImageHeatMapSeries.X0;
double xmax = this.DoseImageHeatMapSeries.X1;
SetGradientStartingValues();
this.gradientXPositions[0] = xmin;
this.gradientXPositions[1] = xmin;
this.gradientXPositions[2] = xmin;
this.gradientXPositions[3] = (xmin + xmax) / 2.0 - 0.5;
this.gradientXPositions[4] = (xmin + xmax) / 2.0 + 0.5;
this.gradientXPositions[5] = xmax;
this.gradientXPositions[6] = xmax;
this.gradientXPositions[7] = xmax;
this.gradientXPositions[8] = xmax;
this.gradientXPositions[9] = xmax;
this.gradientDoses = new List<double>() { 30.6, 30.6, 30.6, 30.6, 0, 0, 0, 0, 0, 0 };
CreateLineSeriesProfilePlot();
SetTextBoxes();
}
private bool CheckProfileValidity()
{
// All X must be increasing. Dose must be non-negative.
for (int i = 1; i < this.gradientXPositions.Count; i++)
{
if (Math.Round(this.gradientXPositions[i - 1], 2) > Math.Round(this.gradientXPositions[i], 2))
{
return false;
}
}
for (int i = 0; i < this.gradientDoses.Count; i++)
{
if (this.gradientDoses[i] < 0)
{
return false;
}
}
return true;
}
private void LayoutUpdate(object sender, EventArgs e)
{
this.OxyPlotImageDose.Width = this.PlotDoseImageColumn.ActualWidth;
this.OxyPlotImageDose.Height = this.PlotDoseImageRow.ActualHeight;
this.OxyPlotProfile.Width = this.PlotDoseImageColumn.ActualWidth;
this.OxyPlotProfile.Height = this.PlotProfileRow.ActualHeight;
}
private void PlotAperture_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
if (this.DoseImagePlotTypeComboBox.SelectedItem == null)
{
return;
}
if (Keyboard.Modifiers != ModifierKeys.Control)
{
if (e.Delta > 0)
{
if (this.DoseImagePlotTypeComboBox.SelectedValue.ToString() == "Dose")
{
if (this.DoseMatrixList == null)
{
return;
}
if (this.DoseCurrentSliceIndex < this.DoseMatrixList.Count - 1)
{
this.DoseCurrentSliceIndex += 1;
ShowDosePlot();
}
}
else if (this.DoseImagePlotTypeComboBox.SelectedValue.ToString() == "Image")
{
if (this.ImageMatrixList == null)
{
return;
}
if (this.ImageCurrentSliceIndex < this.ImageMatrixList.Count - 1)
{
this.ImageCurrentSliceIndex += 1;
ShowImagePlot();
}
}
}
else if (e.Delta < 0)
{
if (this.DoseImagePlotTypeComboBox.SelectedValue.ToString() == "Dose")
{
if (this.DoseMatrixList == null)
{
return;
}
if (this.DoseCurrentSliceIndex > 1)
{
this.DoseCurrentSliceIndex -= 1;
ShowDosePlot();
}
}
else if (this.DoseImagePlotTypeComboBox.SelectedValue.ToString() == "Image")
{
if (this.ImageMatrixList == null)
{
return;
}
if (this.ImageCurrentSliceIndex > 1)
{
this.ImageCurrentSliceIndex -= 1;
ShowImagePlot();
}
}
}
}
}
private void ShowImagePlot()
{
if (this.ImageMatrixList.Count > 1)
{
int N = this.ImageMatrixList[this.ImageCurrentSliceIndex].GetLength(1);
double x0 = this.ImageImagePositionPatient.First()[2];
double x1 = this.ImageImagePositionPatient.Last()[2];
double y0 = -(this.ImageImagePositionPatient.First()[1] + this.ImagePixelSpacing[1] * N);
double y1 = -this.ImageImagePositionPatient.First()[1];
this.DoseImageHeatMapSeries.Data = this.ImageMatrixList[this.ImageCurrentSliceIndex];
this.DoseImageHeatMapSeries.X0 = x0;
this.DoseImageHeatMapSeries.X1 = x1;
this.DoseImageHeatMapSeries.Y0 = y0;
this.DoseImageHeatMapSeries.Y1 = y1;
this.DoseImageHeatMapAxis.Palette = OxyPalettes.Gray(1024);
this.PlotModelImageDose.InvalidatePlot(true);
}
}
private void ShowDosePlot()
{
double[,] img = this.DoseMatrixList[this.DoseCurrentSliceIndex];
int Nx = img.GetLength(0);
int Ny = img.GetLength(1);
double x0 = this.DoseImagePositionPatient[2];
double x1 = this.DoseImagePositionPatient[2] + this.DosePixelSpacing[2] * Nx;
double y0 = -(this.DoseImagePositionPatient[1] + this.DosePixelSpacing[1] * Ny);
double y1 = -this.DoseImagePositionPatient[1];
this.DoseImageHeatMapSeries.Data = this.DoseMatrixList[this.DoseCurrentSliceIndex];
this.DoseImageHeatMapSeries.X0 = x0;
this.DoseImageHeatMapSeries.X1 = x1;
this.DoseImageHeatMapSeries.Y0 = y0;
this.DoseImageHeatMapSeries.Y1 = y1;
this.DoseImageHeatMapAxis.Palette = OxyPalettes.Jet(1024);
this.PlotModelImageDose.InvalidatePlot(true);
}
private void DoseImagePlotTypeComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (this.DoseImagePlotTypeComboBox.SelectedValue.ToString() == "Dose")
{
if (this.DoseMatrix == null)
{
return;
}
int N = this.DoseMatrixList.Count;
this.DoseCurrentSliceIndex = (int)(N / 2);
ShowDosePlot();
//this.PlotModelImageDose.ResetAllAxes();
}
else if (this.DoseImagePlotTypeComboBox.SelectedValue.ToString() == "Image")
{
if (this.ImageMatrixList.Count > 1)
{
int N = this.ImageMatrixList[this.ImageCurrentSliceIndex].GetLength(1);
this.ImageCurrentSliceIndex = (int)(N / 2);
ShowImagePlot();
//this.PlotModelImageDose.ResetAllAxes();
}
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
dlg.Multiselect = true;
Nullable<bool> result = dlg.ShowDialog();
if (result == true)
{
try
{
SortDicomFiles(dlg.FileNames.ToList());
BuildDoseMatrix(this.DoseFilePath);
this.DoseMatrixList = Convert3DArrayToListInt(this.DoseMatrix);
if (this.ImageFilesList.Count > 0)
{
BuildImageMatrix(this.ImageFilesList);
}
}
catch (Exception f)
{
MessageBox.Show(f.Message + "\n" + f.StackTrace, "Error");
return;
}
SetPlotTypeComboBox();
ShowDosePlot();
this.PlotModelImageDose.ResetAllAxes();
this.PlotModelImageDose.InvalidatePlot(true);
SetGradientStartingValues();
SetTextBoxes();
CreateLineSeriesProfilePlot();
}
else
{
MessageBox.Show("No dicom selected.", "Error");
}
}
private double GetDoseFromProfileAtPosition(double t)
{
List<double> x = this.gradientXPositions;
List<double> y = this.gradientDoses;
double dose;
if (t <= x.First())
{
dose = y.First();
}
else if (t >= x.Last())
{
dose = y.Last();
}
else
{
int i;
for (i = 0; i < x.Count - 1; i++)
{
if (t >= x[i] && t < x[i + 1])
{
break;
}
}
if (Math.Abs(x[i + 1] - x[i]) < 1e-8)
{
dose = (y[i] + y[i + 1]) / 2.0;
}
else
{
dose = y[i] + ((y[i + 1] - y[i]) / (x[i + 1] - x[i])) * (t - x[i]);
}
}
return dose;
}
public void SortDicomFiles(List<string> filenames)
{
List<string> imageList = new List<string>() { };
List<string> doseList = new List<string>() { };
List<string> imageStudyUID = new List<string>() { };
List<string> imageSeriesUID = new List<string>() { };
List<double> zIndex = new List<double>() { };
foreach (var file in filenames)
{
var dcm = DICOMObject.Read(file);
string SOPclassUID = (string)dcm.FindFirst(TagHelper.SOPClassUID).DData;
if (SOPclassUID == "1.2.840.10008.5.1.4.1.1.2")
{
imageList.Add(file);
string StudyInstanceUID = (string)dcm.FindFirst(TagHelper.StudyInstanceUID).DData;
string SeriesInstanceUID = (string)dcm.FindFirst(TagHelper.SeriesInstanceUID).DData;
imageStudyUID.Add(StudyInstanceUID);
imageSeriesUID.Add(SeriesInstanceUID);
double zCoord = ((List<double>)dcm.FindFirst(TagHelper.ImagePositionPatient).DData_)[2];
zIndex.Add(zCoord);
}
else if (SOPclassUID == "1.2.840.10008.5.1.4.1.1.481.2")
{
var DoseSumType = dcm.FindFirst(TagHelper.DoseSummationType) as AbstractElement<String>;
if (DoseSumType != null)
{
if ((string)DoseSumType.DData == "PLAN")
{
doseList.Add(file);
}
}
}
}
if (imageStudyUID.Distinct().ToList().Count > 1 || imageSeriesUID.Distinct().ToList().Count > 1 || doseList.Count > 1)
{
throw new NullReferenceException("Selected data may contain only one dose matrix of type 'PLAN' and the images must belong to the same series.\n");
}
if (doseList.Count < 1)
{
throw new NullReferenceException("A dose matrix of type 'PLAN' must be selected for loading.\n");
}
else
{
this.DoseFilePath = doseList.First();
// Order image planes in order of Z coordinate
var sorted = zIndex
.Select((x, i) => new KeyValuePair<double, int>(x, i))
.OrderBy(x => x.Key)
.ToList();
List<int> idx = sorted.Select(x => x.Value).ToList();
List<string> tempList = new List<string>() { };
List<double> tempList2 = new List<double>() { };
foreach (var z in idx)
{
tempList.Add(imageList.ElementAt(z));
tempList2.Add(zIndex.ElementAt(z));
}
this.ImageFilesList = tempList;
}
}
public void BuildDoseMatrix(string doseFilePath)
{
var dcm = DICOMObject.Read(doseFilePath);
string patientName = (string)dcm.FindFirst(TagHelper.PatientName).DData;
ushort bit = (ushort)dcm.FindFirst(TagHelper.BitsAllocated).DData;
this.bits32_16 = (int)bit;
ushort rows = (ushort)dcm.FindFirst(TagHelper.Rows).DData;
ushort columns = (ushort)dcm.FindFirst(TagHelper.Columns).DData;
int frames = (int)dcm.FindFirst(TagHelper.NumberOfFrames).DData;
this.DoseImagePositionPatient = (List<double>)dcm.FindFirst(TagHelper.ImagePositionPatient).DData_;
for (int i = 0; i < this.DoseImagePositionPatient.Count; i++)
{ // Convert mm into cm
this.DoseImagePositionPatient[i] = this.DoseImagePositionPatient[i] / 10.0;
}
List<double> offsetVector = (List<double>)dcm.FindFirst(TagHelper.GridFrameOffsetVector).DData_;
double spacingZ = Math.Abs(offsetVector[1] - offsetVector[0]);
List<double> pixelSpacing = (List<double>)dcm.FindFirst(TagHelper.PixelSpacing).DData_;
this.DosePixelSpacing = new List<double>() { pixelSpacing[0] / 10.0, pixelSpacing[1] / 10.0, spacingZ / 10.0 };
double scaling = 1.0;
var _scaling = dcm.FindFirst(TagHelper.DoseGridScaling) as AbstractElement<double>;
if (_scaling != null)
{
scaling = _scaling.Data;
}
this.DoseScaling = scaling;
uint smallestimagepixelvalue = 0;
uint largestimagepixelvalue = 0;
var _smallestImagePixelValue = dcm.FindFirst(TagHelper.SmallestImagePixelValue) as AbstractElement<ushort>;
if (_smallestImagePixelValue != null)
{
smallestimagepixelvalue = _smallestImagePixelValue.Data;
}
var _largestImagePixelValue = dcm.FindFirst(TagHelper.LargestImagePixelValue) as AbstractElement<ushort>;
if (_largestImagePixelValue != null)
{
largestimagepixelvalue = _largestImagePixelValue.Data;
}
this.Title = "DoseGradient (" + patientName + ") (" + bit.ToString() + " bit) (" +
frames.ToString() + "x" + columns.ToString() + "x" + rows.ToString() + ") (slice: " + spacingZ.ToString("F2") + " mm) (scaling: " + scaling.ToString("E6") +
") (min: " + smallestimagepixelvalue.ToString() + ", max: " + largestimagepixelvalue.ToString() + ")";
List<byte> pixelData = (List<byte>)dcm.FindFirst(TagHelper.PixelData).DData_;
uint[,,] doseMatrix = new uint[frames, columns, rows];
int indexColumn = 0;
int indexRow = 0;
int indexFrame = 0;
if (bits32_16 == 32)
{
for (int i = 0; i < pixelData.Count(); i += 4)
{
// taken from https://stackoverflow.com/questions/55883798/wrong-output-pixel-colors-grayscale-using-evildicom
// 32 bit
uint pixel = (uint)(pixelData[i + 3] * 256 * 256 * 256 + pixelData[i + 2] * 256 * 256 + pixelData[i + 1] * 256 + pixelData[i]);