private Tuple <Material, Media3D.Transform3D> LoadBeetle()
{
var data = ReadDat("stagbeetle208x208x123.dat", out var width, out var height, out var depth);
var m = new VolumeTextureDiffuseMaterial();
ushort max = data.Max();
uint[] histogram = new uint[max + 1];
float[] fdata = new float[data.Length];
for (int i = 0; i < data.Length; ++i)
{
fdata[i] = (float)data[i] / max;
histogram[data[i]]++;
}
var transferMap = GetTransferFunction(histogram, data.Length, 1, 0.0001f);
var gradients = VolumeDataHelper.GenerateGradients(fdata, width, height, depth, 1);
VolumeDataHelper.FilterNxNxN(gradients, width, height, depth, 3);
m.Texture = new VolumeTextureGradientParams(gradients, width, height, depth);
m.Color = new Color4(0, 1, 0, 0.4f);
var transform = new Media3D.ScaleTransform3D(1, 1, 1);
transform.Freeze();
m.Freeze();
return(new Tuple <Material, Media3D.Transform3D>(m, transform));
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
var scale = (float)values[0];
var transform = (Numerics.Matrix4x4)values[1];
var tGroup = new Media3D.Transform3DGroup();
if (scale != 1)
{
var tform = new Media3D.ScaleTransform3D(scale, scale, scale);
tform.Freeze();
tGroup.Children.Add(tform);
}
if (!transform.IsIdentity)
{
var tform = new Media3D.MatrixTransform3D(transform.ToMatrix3D());
tform.Freeze();
tGroup.Children.Add(tform);
}
tGroup.Freeze();
return(tGroup);
}
private Tuple <Material, Media3D.Transform3D> LoadNoise()
{
var m = new VolumeTextureDDS3DMaterial();
m.Texture = LoadFileToMemory("NoiseVolume.dds");
m.Color = new Color4(1, 1, 1, 0.01f);
m.Freeze();
var transform = new Media3D.ScaleTransform3D(1, 1, 1);
transform.Freeze();
return(new Tuple <Material, Media3D.Transform3D>(m, transform));
}
private Media3D.Transform3D GetTransform(float scale, Matrix4x4 transform)
{
var tGroup = new Media3D.Transform3DGroup();
if (scale != 1)
{
var tform = new Media3D.ScaleTransform3D(scale, scale, scale);
tform.Freeze();
tGroup.Children.Add(tform);
}
if (!transform.IsIdentity)
{
var tform = new Media3D.MatrixTransform3D(transform.ToMatrix3D());
tform.Freeze();
tGroup.Children.Add(tform);
}
tGroup.Freeze();
return(tGroup);
}
