public CompositeFilter(ConvolutionSet2D set = null, bool isEditor = true)
{
InitializeComponent();
// Selected effect
_selectEffect = new DropShadowEffect()
{
Direction = 0,
ShadowDepth = 0,
BlurRadius = 40,
Color = UtilityWPF.ColorFromHex("FFEB85"),
Opacity = 1,
};
// Context Menu
_kernelContextMenu = (ContextMenu)this.Resources["kernelContextMenu"];
// Combobox
foreach (SetOperationType operation in Enum.GetValues(typeof(SetOperationType)))
{
cboPostOperation.Items.Add(operation);
}
cboPostOperation.SelectedIndex = 0;
// Load set passed in
if (set != null)
{
foreach (var child in set.Convolutions)
{
InsertKernel(child);
}
cboPostOperation.SelectedValue = set.OperationType;
lblInstructions.Visibility = Visibility.Collapsed;
if (!isEditor)
{
btnSave.Visibility = Visibility.Collapsed;
}
}
_initialized = true;
RefreshStatsPanel();
}
private static Border GetThumbnail_Set(ConvolutionSet2D kernel, int thumbSize, ContextMenu contextMenu, ConvolutionToolTipType tooltipType)
{
StackPanel children = new StackPanel()
{
Orientation = Orientation.Horizontal,
};
int childSize = Convert.ToInt32(thumbSize * .9);
double secondChildShift = thumbSize * .33;
foreach (ConvolutionBase2D child in kernel.Convolutions)
{
//NOTE: It doesn't work to apply skew transforms to a border that has children. Instead, make a visual brush out of the child
Border childCtrl = GetThumbnail(child, childSize, null);
childCtrl.Margin = new Thickness(0);
Border actualChild = new Border();
actualChild.Background = new VisualBrush() { Visual = childCtrl };
double width = 0;
double height = 0;
if (child is Convolution2D)
{
width = ((FrameworkElement)childCtrl.Child).Width;
height = ((FrameworkElement)childCtrl.Child).Height;
}
else //if(child is ConvolutionSet2D)
{
// There doesn't seem to be a way to get the child composite's size (it's NaN). Maybe there's a way to force it to do layout?
width = thumbSize;
height = thumbSize;
}
actualChild.Width = width;
actualChild.Height = height;
//NOTE: I wanted a trapazoid transform, but that is impossible with a 3x3 matrix. The only way would be to render in 3D
TransformGroup tranform = new TransformGroup();
tranform.Children.Add(new ScaleTransform(.75, 1));
tranform.Children.Add(new SkewTransform(0, -30));
actualChild.LayoutTransform = tranform;
if (children.Children.Count > 0)
{
actualChild.Margin = new Thickness(-secondChildShift, 0, 0, 0);
}
actualChild.IsHitTestVisible = false; // setting this to false so that click events come from the returned border instead of the child
children.Children.Add(actualChild);
}
Border border = new Border()
{
Child = children,
Background = new SolidColorBrush(UtilityWPF.ColorFromHex("28F2B702")),
BorderBrush = new SolidColorBrush(UtilityWPF.ColorFromHex("F5CC05")),
BorderThickness = new Thickness(1),
Margin = new Thickness(6),
Padding = new Thickness(3),
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
ContextMenu = contextMenu,
Tag = kernel,
};
border.ToolTip = GetToolTip(kernel, tooltipType);
return border;
}
private static Convolution2D Convolute_Set_MaxOf(Convolution2D image, ConvolutionSet2D kernel, string description)
{
#region validate
#if DEBUG
if (kernel.OperationType != SetOperationType.MaxOf)
{
throw new ArgumentException("kernel must be MaxOf: " + kernel.OperationType.ToString());
}
else if (kernel.Convolutions.Length < 2)
{
throw new ArgumentException("MaxOf kernel set needs at least two children");
}
VectorInt firstReduce = kernel.Convolutions[0].GetReduction();
for (int cntr = 1; cntr < kernel.Convolutions.Length; cntr++)
{
VectorInt nextReduce = kernel.Convolutions[cntr].GetReduction();
if (firstReduce.X != nextReduce.X || firstReduce.Y != nextReduce.Y)
{
throw new ArgumentException("When the operation is MaxOf, then all kernels must reduce the same amount");
}
}
#endif
#endregion
Convolution2D[] children = kernel.Convolutions.
Select(o => Convolute(image, o, description)).
ToArray();
double[] retVal = new double[children[0].Values.Length];
for (int index = 0; index < retVal.Length; index++)
{
double maxValue = 0;
double maxAbsValue = 0;
for (int cntr = 0; cntr < children.Length; cntr++)
{
double abs = Math.Abs(children[cntr].Values[index]);
if (abs > maxAbsValue)
{
maxValue = children[cntr].Values[index];
maxAbsValue = abs;
}
}
retVal[index] = maxValue;
}
return new Convolution2D(retVal, children[0].Width, children[0].Height, image.IsNegPos || children.Any(o => o.IsNegPos), description: description);
}
private static Convolution2D Convolute_Set(Convolution2D image, ConvolutionSet2D kernel, string description)
{
if (kernel.OperationType == SetOperationType.MaxOf)
{
// This is special, because it needs to convolute each child, then pick the values it wants to keep. Also, each child will need to be the same size
return Convolute_Set_MaxOf(image, kernel, description);
}
Convolution2D retVal = image;
foreach (ConvolutionBase2D child in kernel.Convolutions)
{
retVal = Convolute(retVal, child, description);
}
if (kernel.OperationType == SetOperationType.Subtract)
{
retVal = Convolutions.Subtract(image, retVal, description);
}
return retVal;
}
public static string GetToolTip(ConvolutionSet2D set, ConvolutionToolTipType type)
{
StringBuilder retVal = new StringBuilder(100);
if (!string.IsNullOrEmpty(set.Description))
{
retVal.Append(set.Description);
}
if (type == ConvolutionToolTipType.Size || type == ConvolutionToolTipType.Size_MinMax && set.Convolutions != null && set.Convolutions.Length > 0)
{
if (retVal.Length > 0)
{
retVal.AppendLine();
}
VectorInt size = set.GetSize();
retVal.AppendFormat("{0}x{1}", size.X, size.Y);
}
if (type == ConvolutionToolTipType.Size_MinMax)
{
retVal.AppendLine();
double min = set.EnumerateValues().Min();
double max = set.EnumerateValues().Min();
retVal.AppendFormat("min: {0}\r\nmax: {1}", min.ToStringSignificantDigits(2), max.ToStringSignificantDigits(2));
}
if (retVal.Length == 0)
{
return null; // otherwise there will be a tiny empty tooltip
}
else
{
return retVal.ToString();
}
}
private void Composite_SaveRequested(object sender, ConvolutionSet2D e)
{
try
{
AddKernel(e);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
public MineralIdentifier()
{
InitializeComponent();
this.Background = SystemColors.ControlBrush;
#region Tab: Single Image
// Camera Trackball
_trackball = new TrackBallRoam(_camera);
_trackball.EventSource = grdViewPort; //NOTE: If this control doesn't have a background color set, the trackball won't see events (I think transparent is ok, just not null)
_trackball.AllowZoomOnMouseWheel = true;
_trackball.Mappings.AddRange(TrackBallMapping.GetPrebuilt(TrackBallMapping.PrebuiltMapping.MouseComplete));
_trackball.MouseWheelScale *= .1;
//_trackball.GetOrbitRadius += new GetOrbitRadiusHandler(Trackball_GetOrbitRadius);
// Mineral Types
foreach (MineralType mineral in Enum.GetValues(typeof(MineralType)))
{
cboMineral.Items.Add(mineral);
}
cboMineral.SelectedIndex = 0;
#endregion
#region Tab: Training Data
#region Mineral Types
foreach (MineralType mineral in Enum.GetValues(typeof(MineralType)))
{
CheckBox mineralCheckbox = new CheckBox()
{
Content = mineral.ToString(),
Tag = mineral,
Margin = new Thickness(2),
};
pnlMineralSelections.Children.Add(mineralCheckbox);
}
#endregion
#region Convolutions
// Gaussian Subtract
AddKernel(new ConvolutionSet2D(new[] { Convolutions.GetGaussian(3, 1) }, SetOperationType.Subtract));
// MaxAbs Sobel
Convolution2D vert = Convolutions.GetEdge_Sobel(true);
Convolution2D horz = Convolutions.GetEdge_Sobel(false);
var singles = new[]
{
new Convolution2D(vert.Values, vert.Width, vert.Height, vert.IsNegPos, 1),
new Convolution2D(horz.Values, horz.Width, horz.Height, horz.IsNegPos, 1),
};
ConvolutionSet2D set = new ConvolutionSet2D(singles, SetOperationType.MaxOf);
AddKernel(set);
#endregion
#endregion
_initialized = true;
cboMineral_SelectionChanged(this, null);
ResetCamera_Click(this, null);
}
private void btnSave_Click(object sender, RoutedEventArgs e)
{
try
{
if (this.SaveRequested == null)
{
MessageBox.Show("There is no listener to the save event", this.Title, MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
if (_kernels.Count == 0)
{
MessageBox.Show("You need to add kernels before saving", this.Title, MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
SetOperationType operation = (SetOperationType)cboPostOperation.SelectedValue;
if (operation == SetOperationType.MaxOf)
{
if (_kernels.Count < 2)
{
MessageBox.Show("MaxOf needs at least two children", this.Title, MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
VectorInt firstReduce = _kernels[0].GetReduction();
for (int cntr = 1; cntr < _kernels.Count; cntr++)
{
VectorInt nextReduce = _kernels[cntr].GetReduction();
if (firstReduce != nextReduce)
{
MessageBox.Show("When the operation is MaxOf, then all kernels must reduce the same amount", this.Title, MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
}
}
ConvolutionSet2D set = new ConvolutionSet2D(_kernels.ToArray(), operation);
this.SaveRequested(this, set);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}