/// <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});
}
/// <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)
{
try
{
//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();
Debug.WriteLine(string.Format("{0} ellapsed for updating background preview.", sw.Elapsed));
}
catch (InvalidOperationException exp)
{
Debug.WriteLine("WARNING: Exception occured in rendering " + exp.ToString());
}
}