// Make a row of bars in the X direction.
private void MakeBars(double xmin, double ymin,
double zmin, double dx, double gap,
double[] values, string[] frontLabels, string[] topLabels,
Brush[] barBrushes, Brush[] bgBrushes, Brush[] fgBrushes,
FontFamily ff, Model3DGroup group)
{
double x = xmin;
double fontSize = 0.4;
for (int i = 0; i < values.Length; i++)
{
// Make the bar.
MeshGeometry3D barMesh = new MeshGeometry3D();
Point3D corner = new Point3D(x, ymin, zmin);
barMesh.AddBox(corner,
D3.XVector(dx),
D3.YVector(YScale * values[i]),
D3.ZVector(dx));
group.Children.Add(barMesh.MakeModel(barBrushes[i]));
// Display the front label.
const double textWid = 1.8;
MakeLabel(frontLabels[i],
new Point3D(x + dx, ymin, textWid + zmin + dx + gap),
D3.ZVector(-textWid), D3.XVector(-dx),
bgBrushes[i], fgBrushes[i], fontSize, ff,
HorizontalAlignment.Left, VerticalAlignment.Center, group);
// Display the top label.
MakeLabel(topLabels[i],
new Point3D(x,
ymin + YScale * values[i],
zmin - 0.1),
D3.XVector(dx), D3.YVector(dx),
Brushes.Transparent, fgBrushes[i], fontSize, ff,
HorizontalAlignment.Center, VerticalAlignment.Bottom, group);
x += dx + gap;
}
}
// Define the model.
private void DefineModel(Model3DGroup group)
{
// Axes.
//MeshExtensions.AddAxes(group);
// General positioning parameters.
Point3D origin = new Point3D(0, -1, 0);
double barDx = 1;
double barGap = 0.25;
// Load the data.
double[] values = LoadData();
int numValues = values.Length;
string[] frontLabels =
{ " Sofa", " Bathroom", " Dresser", " Fridge or\n Freezer", " Outside", " Other" };
string[] topLabels = new string[numValues];
for (int i = 0; i < numValues; i++)
{
topLabels[i] = values[i].ToString("P0");
}
Brush[] barBrushes =
{
Brushes.Red, Brushes.Green, Brushes.Blue,
Brushes.Yellow, Brushes.Orange, Brushes.Fuchsia,
};
Brush[] bgBrushes =
{
Brushes.HotPink, Brushes.LightGreen, Brushes.LightBlue,
new SolidColorBrush(Color.FromArgb(255, 255, 255, 100)),
new SolidColorBrush(Color.FromArgb(255, 255, 220, 100)),
new SolidColorBrush(Color.FromArgb(255, 255, 128, 255)),
};
Brush[] fgBrushes =
{
Brushes.Black, Brushes.Black, Brushes.Black,
Brushes.Black, Brushes.Black, Brushes.Black,
};
// See how big the bars will be.
double wid = numValues * barDx + (numValues - 1) * barGap;
double hgt = values.Max() * YScale;
double barXmin = origin.X - wid / 2;
double barXmax = barXmin + wid;
double barYmin = origin.Y;
double barYmax = barYmin + hgt;
double barZmin = origin.Z - barDx / 2;
double barZmax = barZmin + barDx;
// Bars.
FontFamily ff = new FontFamily("Franklin Gothic Demi");
MakeBars(barXmin, barYmin, barZmin, barDx, barGap, values,
frontLabels, topLabels, barBrushes, bgBrushes, fgBrushes,
ff, group);
// Title.
double fontSize = 0.75;
MakeLabel("Where's My",
new Point3D(barXmin, barYmax - 1, barZmin - 0.1),
D3.XVector(wid), D3.YVector(1),
Brushes.Transparent, Brushes.DarkBlue, fontSize, ff,
HorizontalAlignment.Center, VerticalAlignment.Center, group);
MakeLabel("Remote?",
new Point3D(barXmin, barYmax - 0.75 - 1, barZmin - 0.1),
D3.XVector(wid), D3.YVector(1),
Brushes.Transparent, Brushes.DarkBlue, fontSize, ff,
HorizontalAlignment.Center, VerticalAlignment.Center, group);
}
// Process the models.
private void ProcessModels(bool invertTextures, bool zIsUp)
{
// Make the dictionary of materials.
foreach (ObjMaterial material in AllMaterials)
{
// Make the material's MaterialGroup.
material.MatGroup = new MaterialGroup();
// Transparency. (Not used.)
byte alpha = (byte)(material.Alpha * 255);
// Diffuse.
byte diffR = (byte)(material.Kd.X * 255);
byte diffG = (byte)(material.Kd.Y * 255);
byte diffB = (byte)(material.Kd.Z * 255);
Color diffColor = Color.FromArgb(255, diffR, diffG, diffB);
SolidColorBrush diffBrush = new SolidColorBrush(diffColor);
DiffuseMaterial diffMat = new DiffuseMaterial(diffBrush);
material.MatGroup.Children.Add(diffMat);
// If it has a file, use it.
if (material.Filename != null)
{
// Use the file.
string filename = material.Filename;
ImageBrush imgBrush = new ImageBrush();
imgBrush.ViewportUnits = BrushMappingMode.Absolute;
imgBrush.TileMode = TileMode.Tile;
// Invert the texture if necessary.
if (invertTextures)
{
TransformGroup trans = new TransformGroup();
trans.Children.Add(new ScaleTransform(1, -1));
trans.Children.Add(new TranslateTransform(0, 1));
imgBrush.Transform = trans;
}
imgBrush.ImageSource = new BitmapImage(new Uri(filename, UriKind.Relative));
DiffuseMaterial imgMat = new DiffuseMaterial(imgBrush);
material.MatGroup.Children.Add(imgMat);
}
// Specular.
byte specR = (byte)(material.Ks.X * 255);
byte specG = (byte)(material.Ks.Y * 255);
byte specB = (byte)(material.Ks.Z * 255);
Color specColor = Color.FromArgb(255, specR, specG, specB);
SolidColorBrush specBrush = new SolidColorBrush(specColor);
SpecularMaterial specMat = new SpecularMaterial(specBrush, material.Ns);
material.MatGroup.Children.Add(specMat);
// We ignore Ka and Tr.
// Add it to the materials dictionary.
MtlMaterials.Add(material.Name, material);
}
// Convert the object models into meshes.
foreach (ObjModel model in AllObjectModels)
{
// Make the mesh.
MeshGeometry3D mesh = new MeshGeometry3D();
Meshes.Add(mesh);
MeshNames.Add(model.Name);
MaterialNames.Add(model.MaterialName);
// Make a new list of smoothing groups.
Dictionary <int, Dictionary <Point3D, int> > smoothingGroups =
new Dictionary <int, Dictionary <Point3D, int> >();
// Entry 0 is null (no smoothing).
smoothingGroups.Add(0, null);
// Make the faces.
foreach (ObjFace face in model.Faces)
{
// Make the face's vertices.
int numPoints = face.Vertices.Count;
Point3D[] points = new Point3D[numPoints];
for (int i = 0; i < numPoints; i++)
{
points[i] = AllVertices[face.Vertices[i] - 1];
}
// Get texture coordinates if present.
Point[] textureCoords = null;
if (face.TextureCoords.Count > 0)
{
textureCoords = new Point[numPoints];
for (int i = 0; i < numPoints; i++)
{
textureCoords[i] = AllTextureCoordinates[face.TextureCoords[i] - 1];
}
}
// Get normals if present.
Vector3D[] normals = null;
if (face.Normals.Count > 0)
{
normals = new Vector3D[numPoints];
for (int i = 0; i < numPoints; i++)
{
normals[i] = AllNormals[face.Normals[i] - 1];
}
}
// Get the point dictionary for this smoothing group.
// Add new groups if needed.
if (!smoothingGroups.ContainsKey(face.SmoothingGroup))
{
smoothingGroups.Add(face.SmoothingGroup,
new Dictionary <Point3D, int>());
}
Dictionary <Point3D, int> pointDict = smoothingGroups[face.SmoothingGroup];
// Make the polygon.
mesh.AddPolygon(pointDict: pointDict,
textureCoords: textureCoords, normals: normals,
points: points);
}
// If Z is up, rotate the model.
if (zIsUp)
{
mesh.ApplyTransformation(D3.Rotate(D3.XVector(), D3.Origin, -90));
}
}
}
