private void RebuildGeometry()
{
double halfThickness = Thickness / 2.0;
int numLines = Points.Count / 2;
Point3DCollection positions = new Point3DCollection(numLines * 4);
for (int i = 0; i < numLines; i++)
{
int startIndex = i * 2;
Point3D startPoint = Points[startIndex];
Point3D endPoint = Points[startIndex + 1];
AddSegment(positions, startPoint, endPoint, halfThickness);
}
positions.Freeze();
_mesh.Positions = positions;
Int32Collection indices = new Int32Collection(Points.Count * 3);
for (int i = 0; i < Points.Count / 2; i++)
{
indices.Add(i * 4 + 2);
indices.Add(i * 4 + 1);
indices.Add(i * 4 + 0);
indices.Add(i * 4 + 2);
indices.Add(i * 4 + 3);
indices.Add(i * 4 + 1);
}
indices.Freeze();
_mesh.TriangleIndices = indices;
}
/// <summary>
/// Use the render packages returned from the visualization manager to update the visuals.
/// The visualization event arguments will contain a set of render packages and an id representing
/// the associated node. Visualizations for the background preview will return an empty id.
/// </summary>
/// <param name="e"></param>
public void RenderDrawables(VisualizationEventArgs e)
{
//check the id, if the id is meant for another watch,
//then ignore it
if (e.Id != _id)
{
return;
}
Debug.WriteLine(string.Format("Rendering visuals for {0}", e.Id));
var sw = new Stopwatch();
sw.Start();
Points = null;
Lines = null;
Mesh = null;
XAxes = null;
YAxes = null;
ZAxes = null;
PointsSelected = null;
LinesSelected = null;
MeshSelected = null;
Text = null;
MeshCount = 0;
//separate the selected packages
var packages = e.Packages.Where(x => x.Selected == false)
.Where(rp => rp.TriangleVertices.Count % 9 == 0)
.ToArray();
var selPackages = e.Packages
.Where(x => x.Selected)
.Where(rp => rp.TriangleVertices.Count % 9 == 0)
.ToArray();
//pre-size the points collections
var pointsCount = packages.Select(x => x.PointVertices.Count / 3).Sum();
var selPointsCount = selPackages.Select(x => x.PointVertices.Count / 3).Sum();
var points = new Point3DCollection(pointsCount);
var pointsSelected = new Point3DCollection(selPointsCount);
//pre-size the lines collections
//these sizes are conservative as the axis lines will be
//taken from the linestripvertex collections as well.
var lineCount = packages.Select(x => x.LineStripVertices.Count / 3).Sum();
var lineSelCount = selPackages.Select(x => x.LineStripVertices.Count / 3).Sum();
var lines = new Point3DCollection(lineCount);
var linesSelected = new Point3DCollection(lineSelCount);
var redLines = new Point3DCollection(lineCount);
var greenLines = new Point3DCollection(lineCount);
var blueLines = new Point3DCollection(lineCount);
//pre-size the text collection
var textCount = e.Packages.Count(x => x.DisplayLabels);
var text = new List <BillboardTextItem>(textCount);
//http://blogs.msdn.com/b/timothyc/archive/2006/08/31/734308.aspx
//presize the mesh collections
var meshVertCount = packages.Select(x => x.TriangleVertices.Count / 3).Sum();
var meshVertSelCount = selPackages.Select(x => x.TriangleVertices.Count / 3).Sum();
var mesh = new MeshGeometry3D();
var meshSel = new MeshGeometry3D();
var verts = new Point3DCollection(meshVertCount);
var vertsSel = new Point3DCollection(meshVertSelCount);
var norms = new Vector3DCollection(meshVertCount);
var normsSel = new Vector3DCollection(meshVertSelCount);
var tris = new Int32Collection(meshVertCount);
var trisSel = new Int32Collection(meshVertSelCount);
foreach (var package in packages)
{
ConvertPoints(package, points, text);
ConvertLines(package, lines, redLines, greenLines, blueLines, text);
ConvertMeshes(package, verts, norms, tris);
}
foreach (var package in selPackages)
{
ConvertPoints(package, pointsSelected, text);
ConvertLines(package, linesSelected, redLines, greenLines, blueLines, text);
ConvertMeshes(package, vertsSel, normsSel, trisSel);
}
sw.Stop();
Debug.WriteLine(string.Format("RENDER: {0} ellapsed for updating background preview.", sw.Elapsed));
var vm = (IWatchViewModel)DataContext;
if (vm.CheckForLatestRenderCommand.CanExecute(e.TaskId))
{
vm.CheckForLatestRenderCommand.Execute(e.TaskId);
}
points.Freeze();
pointsSelected.Freeze();
lines.Freeze();
linesSelected.Freeze();
redLines.Freeze();
greenLines.Freeze();
blueLines.Freeze();
verts.Freeze();
norms.Freeze();
tris.Freeze();
vertsSel.Freeze();
normsSel.Freeze();
trisSel.Freeze();
Dispatcher.Invoke(new Action <Point3DCollection, Point3DCollection,
Point3DCollection, Point3DCollection, Point3DCollection, Point3DCollection,
Point3DCollection, Point3DCollection, Vector3DCollection, Int32Collection,
Point3DCollection, Vector3DCollection, Int32Collection, MeshGeometry3D,
MeshGeometry3D, List <BillboardTextItem> >(SendGraphicsToView), DispatcherPriority.Render,
new object[] { points, pointsSelected, lines, linesSelected, redLines,
greenLines, blueLines, verts, norms, tris, vertsSel, normsSel,
trisSel, mesh, meshSel, text });
}
private void CreateSurface()
{
if (this.Points != null && this.TextureBuilder != null)
{
Material texture = this.TextureBuilder.CreateTexture();
int xWidth = this.Points.GetLength(0);
int yWidth = this.Points.GetLength(1);
int capacity = (xWidth - 1) * (yWidth - 1);
Point3DCollection positions = new Point3DCollection(capacity);
Int32Collection indices = new Int32Collection(capacity);
PointCollection texCoords = new PointCollection(capacity);
Vector3DCollection normals = new Vector3DCollection(capacity);
int indiceCount = 0;
for (int ix = 0; ix < xWidth - 1; ix++)
{
if (!double.IsNaN(this.Points[ix, 0].Z))
{
if (!double.IsNaN(this.Points[ix + 1, 0].Z))
{
for (int iy = 0; iy < yWidth - 1; iy++)
{
// V0-----V3
// | |
// | |
// V1-----V2
//Add Triangle V0--V1--V2
positions.Add(this.Points[ix, iy]);
positions.Add(this.Points[ix + 1, iy]);
positions.Add(this.Points[ix + 1, iy + 1]);
double middleZ = (this.Points[ix, iy].Z + this.Points[ix + 1, iy].Z + this.Points[ix + 1, iy + 1].Z + this.Points[ix, iy + 1].Z) / 4.0;
Point texturePt = this.TextureBuilder.GetTextureMapping(middleZ);
texCoords.Add(texturePt);
texCoords.Add(texturePt);
texCoords.Add(texturePt);
indices.Add(indiceCount++);
indices.Add(indiceCount++);
indices.Add(indiceCount++);
Vector3D normal = MathHelper.CalculateNormal(this.Points[ix + 1, iy + 1], this.Points[ix + 1, iy], this.Points[ix, iy]);
normals.Add(normal);
normals.Add(normal);
normals.Add(normal);
//Add Triangle V2--V3-V0
positions.Add(this.Points[ix + 1, iy + 1]);
positions.Add(this.Points[ix, iy + 1]);
positions.Add(this.Points[ix, iy]);
texCoords.Add(texturePt);
texCoords.Add(texturePt);
texCoords.Add(texturePt);
indices.Add(indiceCount++);
indices.Add(indiceCount++);
indices.Add(indiceCount++);
Vector3D normal2 = MathHelper.CalculateNormal(this.Points[ix, iy], this.Points[ix, iy + 1], this.Points[ix + 1, iy + 1]);
normals.Add(normal2);
normals.Add(normal2);
normals.Add(normal2);
}
}
}
}
positions.Freeze();
_mesh.Positions = positions;
indices.Freeze();
_mesh.TriangleIndices = indices;
texCoords.Freeze();
_mesh.TextureCoordinates = texCoords;
normals.Freeze();
_mesh.Normals = normals;
_model3D.Material = texture;
_model3D.BackMaterial = texture;
}
}
private static Model3D GenerateTreeMap3DModel(int index, int count)
{
MeshGeometry3D meshGeometry3D = new MeshGeometry3D();
Point3DCollection positions = new Point3DCollection();
positions.Add(new Point3D(0, 0, 1));
positions.Add(new Point3D(0, 0, 0));
positions.Add(new Point3D(1, 0, 0));
positions.Add(new Point3D(1, 0, 1));
positions.Add(new Point3D(0, 1, 1));
positions.Add(new Point3D(0, 1, 0));
positions.Add(new Point3D(1, 1, 0));
positions.Add(new Point3D(1, 1, 1));
positions.Freeze();
Int32Collection triangleIndices = new Int32Collection();
triangleIndices.Add(0);
triangleIndices.Add(1);
triangleIndices.Add(2);
triangleIndices.Add(2);
triangleIndices.Add(3);
triangleIndices.Add(0);
triangleIndices.Add(4);
triangleIndices.Add(7);
triangleIndices.Add(6);
triangleIndices.Add(6);
triangleIndices.Add(5);
triangleIndices.Add(4);
triangleIndices.Add(0);
triangleIndices.Add(3);
triangleIndices.Add(7);
triangleIndices.Add(7);
triangleIndices.Add(4);
triangleIndices.Add(0);
triangleIndices.Add(1);
triangleIndices.Add(5);
triangleIndices.Add(6);
triangleIndices.Add(6);
triangleIndices.Add(2);
triangleIndices.Add(1);
triangleIndices.Add(3);
triangleIndices.Add(2);
triangleIndices.Add(6);
triangleIndices.Add(6);
triangleIndices.Add(7);
triangleIndices.Add(3);
triangleIndices.Add(0);
triangleIndices.Add(4);
triangleIndices.Add(5);
triangleIndices.Add(5);
triangleIndices.Add(7);
triangleIndices.Add(0);
triangleIndices.Freeze();
// finally set the data
meshGeometry3D.TriangleIndices = triangleIndices;
meshGeometry3D.Positions = positions;
// create the geometry model
GeometryModel3D geom3D = new GeometryModel3D();
geom3D.Geometry = meshGeometry3D;
Color color = ColorHelper.HsbToRgb(index / (float)count, .9f, 1f);
SolidColorBrush solidColorBrush = color.ToBrush();
solidColorBrush.Freeze();
geom3D.Material = new DiffuseMaterial(solidColorBrush);
return(geom3D);
}
public Transition3D()
: base(new Viewport3D())
{
// camera to ue
WrappedElement.Camera = new PerspectiveCamera();
// the model visual 3D
ModelVisual3D mv3D = new ModelVisual3D();
mv3D.Content = new PointLight(Colors.White, new Point3D(0, 0, 0));
WrappedElement.Children.Add(mv3D);
MeshGeometry3D plane = new MeshGeometry3D();
Point3DCollection positions = new Point3DCollection();
positions.Add(new Point3D(-1, -1, 0));
positions.Add(new Point3D(-1, 1, 0));
positions.Add(new Point3D(1, 1, 0));
positions.Add(new Point3D(1, -1, 0));
positions.Freeze();
plane.Positions = positions;
PointCollection textureCoords = new PointCollection();
textureCoords.Add(new Point(0, 1));
textureCoords.Add(new Point(0, 0));
textureCoords.Add(new Point(1, 0));
textureCoords.Add(new Point(1, 1));
textureCoords.Freeze();
plane.TextureCoordinates = textureCoords;
Int32Collection indices = new Int32Collection();
indices.Add(0);
indices.Add(3);
indices.Add(1);
indices.Add(1);
indices.Add(3);
indices.Add(2);
indices.Freeze();
plane.TriangleIndices = indices;
Material planeMaterial = new DiffuseMaterial(Brushes.Blue);
planeMaterial.SetValue(Viewport2DVisual3D.IsVisualHostMaterialProperty, true);
m_visual3D = new Viewport2DVisual3D();
m_visual3D.Geometry = plane;
m_visual3D.Material = planeMaterial;
Transform3DGroup transform = new Transform3DGroup();
m_rotation = new AxisAngleRotation3D(new Vector3D(0, 1, 0), 35);
m_scale = new ScaleTransform3D(0, 0, 0);
m_translation = new TranslateTransform3D(-2.5, 0, -10);
transform.Children.Add(m_scale);
transform.Children.Add(new RotateTransform3D(m_rotation));
transform.Children.Add(m_translation);
m_visual3D.Transform = transform;
WrappedElement.Children.Add(m_visual3D);
}
/// <summary>
/// Use the render packages returned from the visualization manager to update the visuals.
/// The visualization event arguments will contain a set of render packages and an id representing
/// the associated node. Visualizations for the background preview will return an empty id.
/// </summary>
/// <param name="e"></param>
private void RenderDrawables(VisualizationEventArgs e)
{
//check the id, if the id is meant for another watch,
//then ignore it
if (e.Id != _id)
{
return;
}
var sw = new Stopwatch();
sw.Start();
Points = null;
Lines = null;
Mesh = null;
XAxes = null;
YAxes = null;
ZAxes = null;
PointsSelected = null;
LinesSelected = null;
MeshSelected = null;
Text = null;
MeshCount = 0;
//separate the selected packages
var packages = e.Packages.Where(x => x.Selected == false).ToArray();
var selPackages = e.Packages.Where(x => x.Selected).ToArray();
//pre-size the points collections
var pointsCount = packages.Select(x => x.PointVertices.Count / 3).Sum();
var selPointsCount = selPackages.Select(x => x.PointVertices.Count / 3).Sum();
var points = new Point3DCollection(pointsCount);
var pointsSelected = new Point3DCollection(selPointsCount);
//pre-size the lines collections
//these sizes are conservative as the axis lines will be
//taken from the linestripvertex collections as well.
var lineCount = packages.Select(x => x.LineStripVertices.Count / 3).Sum();
var lineSelCount = selPackages.Select(x => x.LineStripVertices.Count / 3).Sum();
var lines = new Point3DCollection(lineCount);
var linesSelected = new Point3DCollection(lineSelCount);
var redLines = new Point3DCollection(lineCount);
var greenLines = new Point3DCollection(lineCount);
var blueLines = new Point3DCollection(lineCount);
//pre-size the text collection
var textCount = e.Packages.Count(x => x.DisplayLabels);
var text = new List <BillboardTextItem>(textCount);
//http://blogs.msdn.com/b/timothyc/archive/2006/08/31/734308.aspx
//presize the mesh collections
var meshVertCount = packages.Select(x => x.TriangleVertices.Count / 3).Sum();
var meshVertSelCount = selPackages.Select(x => x.TriangleVertices.Count / 3).Sum();
var mesh = new MeshGeometry3D();
var meshSel = new MeshGeometry3D();
var verts = new Point3DCollection(meshVertCount);
var vertsSel = new Point3DCollection(meshVertSelCount);
var norms = new Vector3DCollection(meshVertCount);
var normsSel = new Vector3DCollection(meshVertSelCount);
var tris = new Int32Collection(meshVertCount);
var trisSel = new Int32Collection(meshVertSelCount);
foreach (var package in packages)
{
ConvertPoints(package, points, text);
ConvertLines(package, lines, redLines, greenLines, blueLines, text);
ConvertMeshes(package, verts, norms, tris);
}
foreach (var package in selPackages)
{
ConvertPoints(package, pointsSelected, text);
ConvertLines(package, linesSelected, redLines, greenLines, blueLines, text);
ConvertMeshes(package, vertsSel, normsSel, trisSel);
}
points.Freeze();
pointsSelected.Freeze();
Points = points;
PointsSelected = pointsSelected;
lines.Freeze();
linesSelected.Freeze();
redLines.Freeze();
greenLines.Freeze();
blueLines.Freeze();
Lines = lines;
LinesSelected = linesSelected;
XAxes = redLines;
YAxes = greenLines;
ZAxes = blueLines;
verts.Freeze();
norms.Freeze();
tris.Freeze();
vertsSel.Freeze();
normsSel.Freeze();
trisSel.Freeze();
mesh.Positions = verts;
mesh.Normals = norms;
mesh.TriangleIndices = tris;
meshSel.Positions = vertsSel;
meshSel.Normals = normsSel;
meshSel.TriangleIndices = trisSel;
Mesh = mesh;
MeshSelected = meshSel;
Text = text;
sw.Stop();
GC.Collect();
Debug.WriteLine(string.Format("{0} ellapsed for updating background preview.", sw.Elapsed));
}
