public static void DrawCurve(RenderDescription description, object obj)
{
var curve = obj as Curve;
if (curve == null)
{
return;
}
IList <XYZ> points = curve.Tessellate();
for (int i = 0; i < points.Count; ++i)
{
XYZ xyz = points[i];
description.lines.Add(new Point3D(xyz.X, xyz.Y, xyz.Z));
if (i == 0 || i == (points.Count - 1))
{
continue;
}
description.lines.Add(new Point3D(xyz.X, xyz.Y, xyz.Z));
}
}
// Why the if/else statements? Most dynRevitTransactionNode are created
// via a Python script. This keeps logic in the main C# code base.
public static void DrawGeometryObject(RenderDescription description, object obj)
{
if (obj == null)
{
return;
}
if (typeof(Autodesk.Revit.DB.XYZ).IsAssignableFrom(obj.GetType()))
{
DrawXYZ(description, obj);
}
if (typeof(Autodesk.Revit.DB.Curve).IsAssignableFrom(obj.GetType()))
{
DrawCurve(description, obj);
}
else if (typeof(Autodesk.Revit.DB.Solid).IsAssignableFrom(obj.GetType()))
{
DrawSolid(description, obj);
}
else if (typeof(Autodesk.Revit.DB.Face).IsAssignableFrom(obj.GetType()))
{
DrawFace(description, obj);
}
else
{
DrawUndrawable(description, obj);
}
}
// Why the if/else statements? Most dynRevitTransactionNode are created
// via a Python script. This keeps logic in the main C# code base.
public static void DrawGeometryObject(RenderDescription description, object obj)
{
if (obj == null)
{
return;
}
if (obj is XYZ)
{
DrawXYZ(description, obj);
}
if (obj is Curve)
{
DrawCurve(description, obj);
}
else if (obj is Solid)
{
DrawSolid(description, obj);
}
else if (obj is Face)
{
DrawFace(description, obj);
}
else
{
DrawUndrawable(description, obj);
}
}
public static void DrawCurveElement(RenderDescription description, object obj)
{
var elem = obj as CurveElement;
if (elem == null)
{
return;
}
DrawCurve(description, elem.GeometryCurve);
}
public static void DrawXYZ(RenderDescription description, object obj)
{
var point = obj as XYZ;
if (point == null)
{
return;
}
description.points.Add(new Point3D(point.X, point.Y, point.Z));
}
public static void DrawForm(RenderDescription description, object obj)
{
var form = obj as Form;
if (form == null)
{
return;
}
DrawGeometryElement(description, form.get_Geometry(new Options()));
}
public static void DrawCurveElement(RenderDescription description, object obj)
{
Autodesk.Revit.DB.CurveElement elem = obj as Autodesk.Revit.DB.CurveElement;
if (elem == null)
{
return;
}
DrawCurve(description, elem.GeometryCurve);
}
public ComponentDescription(string id, string componentName, bool canResize, bool canFlip, double minSize, ComponentProperty[] properties, ConnectionGroup[] connections, RenderDescription[] renderDescriptions, Conditional<FlagOptions>[] flags, ComponentDescriptionMetadata metadata)
{
ID = id;
ComponentName = componentName;
CanResize = canResize;
CanFlip = canFlip;
MinSize = minSize;
Properties = properties;
Connections = connections;
RenderDescriptions = renderDescriptions;
Flags = flags;
Metadata = metadata;
}
public static void DrawReferencePoint(RenderDescription description, object obj)
{
var point = obj as ReferencePoint;
if (point == null)
{
return;
}
description.points.Add(new Point3D(point.GetCoordinateSystem().Origin.X,
point.GetCoordinateSystem().Origin.Y,
point.GetCoordinateSystem().Origin.Z));
}
public static void DrawFace(RenderDescription description, object obj)
{
var face = obj as Face;
if (face == null)
{
return;
}
Mesh3D[] meshes = RevitMeshToHelixMesh(face.Triangulate(0.2));
foreach (Mesh3D mesh in meshes)
{
description.meshes.Add(mesh);
}
}
public static void DrawGeometryElement(RenderDescription description, object obj)
{
try
{
var gelem = obj as GeometryElement;
foreach (GeometryObject go in gelem)
{
DrawGeometryObject(description, go);
}
}
catch (Exception ex)
{
dynSettings.Controller.DynamoViewModel.Log(ex.Message);
dynSettings.Controller.DynamoViewModel.Log(ex.StackTrace);
}
}
public static void DrawGeometryElement(RenderDescription description, object obj)
{
try
{
var gelem = obj as GeometryElement;
foreach (GeometryObject go in gelem)
{
DrawGeometryObject(description, go);
}
}
catch (Exception ex)
{
DynamoLogger.Instance.Log(ex.Message);
DynamoLogger.Instance.Log(ex.StackTrace);
}
}
// Elements can cantain many Geometry
public static void DrawElement(RenderDescription description, object obj)
{
if (obj == null)
{
return;
}
if (obj is CurveElement)
{
DrawCurveElement(description, obj);
}
else if (obj is ReferencePoint)
{
DrawReferencePoint(description, obj);
}
else if (obj is Form)
{
DrawForm(description, obj);
}
else if (obj is GeometryElement)
{
DrawGeometryElement(description, obj);
}
else if (obj is GeometryObject)
{
DrawGeometryObject(description, obj);
}
else
{
var elem = obj as Element;
if (elem != null)
{
var o = new Options {
DetailLevel = ViewDetailLevel.Medium
};
GeometryElement geom = elem.get_Geometry(o);
if (geom != null)
{
DrawGeometryObject(description, geom);
}
}
}
}
public static void DrawSolid(RenderDescription description, object obj)
{
var solid = obj as Solid;
if (solid == null)
{
return;
}
foreach (Face f in solid.Faces)
{
DrawFace(description, f);
}
foreach (Edge edge in solid.Edges)
{
DrawCurve(description, edge.AsCurve());
}
}
// Elements can cantain many Geometry
public static void DrawElement(RenderDescription description, object obj)
{
if (obj == null)
{
return;
}
if (typeof(Autodesk.Revit.DB.CurveElement).IsAssignableFrom(obj.GetType()))
{
DrawCurveElement(description, obj);
}
else if (typeof(Autodesk.Revit.DB.ReferencePoint).IsAssignableFrom(obj.GetType()))
{
DrawReferencePoint(description, obj);
}
else if (typeof(Autodesk.Revit.DB.Form).IsAssignableFrom(obj.GetType()))
{
DrawForm(description, obj);
}
else if (typeof(Autodesk.Revit.DB.GeometryElement).IsAssignableFrom(obj.GetType()))
{
DrawGeometryElement(description, obj);
}
else if (typeof(Autodesk.Revit.DB.GeometryObject).IsAssignableFrom(obj.GetType()))
{
DrawGeometryObject(description, obj);
}
else
{
Element elem = obj as Element;
if (elem != null)
{
Options o = new Options();
o.DetailLevel = ViewDetailLevel.Medium;
GeometryElement geom = elem.get_Geometry(o);
if (geom != null)
{
DrawGeometryObject(description, geom);
}
}
}
}
public virtual void Draw()
{
if (this.RenderDescription == null)
{
this.RenderDescription = new Nodes.RenderDescription();
}
else
{
this.RenderDescription.ClearAll();
}
var drawaableRevitElements = elements.SelectMany(x => x.Select(y => dynRevitSettings.Doc.Document.GetElement(y)));
Debug.WriteLine(string.Format("Drawing {0} elements of type : {1}", drawaableRevitElements.Count(),
this.GetType()));
foreach (Element e in drawaableRevitElements)
{
Draw(this.RenderDescription, e);
}
}
private void RenderDrawables(RenderDescription rd)
{
//Debug.WriteLine(string.Format("Rendering full screen Watch3D on thread {0}.", System.Threading.Thread.CurrentThread.ManagedThreadId));
HelixPoints = null;
HelixLines = null;
HelixMesh = null;
HelixXAxes = null;
HelixYAxes = null;
HelixZAxes = null;
HelixPointsSelected = null;
HelixLinesSelected = null;
HelixMeshSelected = null;
HelixPoints = rd.Points;
HelixLines = rd.Lines;
HelixPointsSelected = rd.SelectedPoints;
HelixLinesSelected = rd.SelectedLines;
HelixXAxes = rd.XAxisPoints;
HelixYAxes = rd.YAxisPoints;
HelixZAxes = rd.ZAxisPoints;
HelixMesh = VisualizationManager.MergeMeshes(rd.Meshes);
HelixMeshSelected = VisualizationManager.MergeMeshes(rd.SelectedMeshes);
}
public void Draw(RenderDescription description, object obj)
{
DrawElement(description, obj);
}
public static void DrawLibGGraphicItem(NodeModel node, object geom, string tag, RenderDescription rd, Octree.OctreeSearch.Octree octree)
{
var selected = DynamoSelection.Instance.Selection.Contains(node);
var g = geom as GraphicItem;
if (g is CoordinateSystem)
{
#region draw coordinate systems
var line_strip_vertices = g.line_strip_vertices_threadsafe();
for (int i = 0; i < line_strip_vertices.Count; i += 6)
{
var p1 = new Point3D(
line_strip_vertices[i],
line_strip_vertices[i + 1],
line_strip_vertices[i + 2]);
var p2 = new Point3D(
line_strip_vertices[i + 3],
line_strip_vertices[i + 4],
line_strip_vertices[i + 5]);
if (i < 6)
{
rd.XAxisPoints.Add(p1);
rd.XAxisPoints.Add(p2);
}
else if (i >= 6 && i < 12)
{
rd.YAxisPoints.Add(p1);
rd.YAxisPoints.Add(p2);
}
else
{
rd.ZAxisPoints.Add(p1);
rd.ZAxisPoints.Add(p2);
}
}
#endregion
}
else
{
#region draw points
var point_vertices = g.point_vertices_threadsafe();
for (int i = 0; i < point_vertices.Count; i += 3)
{
var pos = new Point3D(point_vertices[i],
point_vertices[i + 1], point_vertices[i + 2]);
if (selected)
{
rd.SelectedPoints.Add(pos);
}
else
{
rd.Points.Add(pos);
}
if (node.DisplayLabels)
{
rd.Text.Add(new BillboardTextItem { Text = tag, Position = pos });
}
}
#endregion
#region draw lines
FloatList line_strip_vertices = g.line_strip_vertices_threadsafe();
for (int i = 0; i < line_strip_vertices.Count-3; i += 3)
{
var start = new Point3D(
line_strip_vertices[i],
line_strip_vertices[i + 1],
line_strip_vertices[i + 2]);
var end = new Point3D(
line_strip_vertices[i + 3],
line_strip_vertices[i + 4],
line_strip_vertices[i + 5]);
//draw a label at the start of the curve
if (node.DisplayLabels && i == 0)
{
rd.Text.Add(new BillboardTextItem { Text = tag, Position = start });
}
if (selected)
{
rd.SelectedLines.Add(start);
rd.SelectedLines.Add(end);
}
else
{
rd.Lines.Add(start);
rd.Lines.Add(end);
}
}
#endregion
#region draw surface
//var sw = new Stopwatch();
//sw.Start();
var builder = new MeshBuilder();
var points = new Point3DCollection();
var tex = new PointCollection();
var norms = new Vector3DCollection();
var tris = new List<int>();
FloatList triangle_vertices = g.triangle_vertices_threadsafe();
FloatList triangle_normals = g.triangle_normals_threadsafe();
for (int i = 0; i < triangle_vertices.Count; i+=3)
{
var new_point = new Point3D(triangle_vertices[i],
triangle_vertices[i + 1],
triangle_vertices[i + 2]);
var normal = new Vector3D(triangle_normals[i],
triangle_normals[i + 1],
triangle_normals[i + 2]);
//find a matching point
//compare the angle between the normals
//to discern a 'break' angle for adjacent faces
//int foundIndex = -1;
//for (int j = 0; j < points.Count; j++)
//{
// var testPt = points[j];
// var testNorm = norms[j];
// var ang = Vector3D.AngleBetween(normal, testNorm);
// if (new_point.X == testPt.X &&
// new_point.Y == testPt.Y &&
// new_point.Z == testPt.Z &&
// ang > 90.0000)
// {
// foundIndex = j;
// break;
// }
//}
//if (foundIndex != -1)
//{
// tris.Add(foundIndex);
// continue;
//}
tris.Add(points.Count);
points.Add(new_point);
norms.Add(normal);
tex.Add(new System.Windows.Point(0,0));
octree.AddNode(new_point.X, new_point.Y, new_point.Z, node.GUID.ToString());
}
//builder.AddTriangles(points, norms, tex);
builder.Append(points, tris, norms, tex);
//sw.Stop();
//Debug.WriteLine(string.Format("{0} elapsed for drawing geometry.", sw.Elapsed));
//don't add empty meshes
if (builder.Positions.Count > 0)
{
if (selected)
{
rd.SelectedMeshes.Add(builder.ToMesh(true));
}
else
{
rd.Meshes.Add(builder.ToMesh(true));
}
}
#endregion
}
}
private void RenderDrawables(RenderDescription rd)
{
//Debug.WriteLine(string.Format("Rendering full screen Watch3D on thread {0}.", System.Threading.Thread.CurrentThread.ManagedThreadId));
HelixPoints = null;
HelixLines = null;
HelixMesh = null;
HelixXAxes = null;
HelixYAxes = null;
HelixZAxes = null;
HelixPointsSelected = null;
HelixLinesSelected = null;
HelixMeshSelected = null;
HelixPoints = rd.Points;
HelixLines = rd.Lines;
HelixPointsSelected = rd.SelectedPoints;
HelixLinesSelected = rd.SelectedLines;
HelixXAxes = rd.XAxisPoints;
HelixYAxes = rd.YAxisPoints;
HelixZAxes = rd.ZAxisPoints;
HelixMesh = VisualizationManager.MergeMeshes(rd.Meshes);
HelixMeshSelected = VisualizationManager.MergeMeshes(rd.SelectedMeshes);
}
public Visualization()
{
RequiresUpdate = false;
Description = new RenderDescription();
Geometry = new List<object>();
}
public static void DrawUndrawable(RenderDescription description, object obj)
{
//TODO: write a message, throw an exception, draw a question mark
}