private MassElement[] GetSelectedMassElement()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptSelectionOptions Opts = new PromptSelectionOptions();
PromptSelectionResult psr = ed.GetSelection(Opts);
if (psr.Status == PromptStatus.OK)
{
Autodesk.AutoCAD.EditorInput.SelectionSet ss = psr.Value;
Autodesk.AutoCAD.DatabaseServices.ObjectId[] oids = ss.GetObjectIds();
int count = oids.Length;
MassElement[] result = new MassElement[count];
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
Transaction trans = tm.StartTransaction();
MassElement me = new MassElement();
for (int i = 0; i < count; i++)
{
Autodesk.AutoCAD.DatabaseServices.Entity ety = tm.GetObject(oids[i], OpenMode.ForWrite, true) as Autodesk.AutoCAD.DatabaseServices.Entity;
result[i] = ety as MassElement;
}
trans.Commit();
trans.Dispose();
return(result);
}
return(null);
}
void StreamCollectClipBodiesSample()
{
Database db = GetDatabase();
Editor editor = GetEditor();
editor.WriteMessage("* StreamCollectClipBodies *\n");
editor.WriteMessage("StreamCollectClipBodies clips all geometry pushed in against the supplied body.\n");
editor.WriteMessage("Pick some objects in the current drawing and then pick an mass element to define the clipping boundary. The collected graphics will be highlighted in the current view.\n");
ObjectIdCollection ids = PickObjectSet("Please pick the objects to be clipped");
if (ids.Count == 0)
{
editor.WriteMessage("No object is picked\n");
return;
}
ObjectId massElemId = PickObject(typeof(MassElement), true, "Please pick a mass element to define the clipping boundary");
if (massElemId.IsNull)
{
editor.WriteMessage("A mass element is needed to define the clipping boundary.\n");
return;
}
StreamCollectClipBodies stream = new StreamCollectClipBodies(db);
// You may tell the stream to retain bodies instead of turning bodies into shells.
// stream.SetRetainBodies(true);
// But now we use the default setting, which uses shell as output.
TransactionManager tm = db.TransactionManager;
using (Transaction trans = tm.StartTransaction())
{
MassElement masselem = trans.GetObject(massElemId, OpenMode.ForRead) as MassElement;
AecModeler.Body body = masselem.Body.Transform(masselem.Ecs);
stream.SetBodyClipVolume(body);
stream.PushDisplayParameters(DictionaryDisplayConfiguration.GetStandardDisplayConfiguration(db), trans);
foreach (ObjectId id in ids)
{
Entity entity = trans.GetObject(id, OpenMode.ForRead) as Entity;
stream.Stream(entity);
}
stream.PopDisplayParameters();
trans.Commit();
}
GraphicsStorage[] gsCollection = stream.GetCollectedGraphics();
foreach (GraphicsStorage gs in gsCollection)
{
HighlightGraphics(gs);
}
}
private void ListBody(MassElement me)
{
Autodesk.Aec.Modeler.Body b = me.Body;
int faceNumber = b.Faces.Count;
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("There are " + faceNumber + " faces.\n");
int index = 0;
foreach (Autodesk.Aec.Modeler.Face f in b.Faces)
{
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("There are " + f.Edges.Count + " edges in face" + index + "\n");
index++;
}
int surfaceNumber = b.Surfaces.Count;
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("There are " + surfaceNumber + " surfaces.\n");
index = 0;
foreach (Autodesk.Aec.Modeler.Surface s in b.Surfaces)
{
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("Surface " + index + " is a " + s.Type + "\n");
index++;
}
int curveNumber = b.Curves.Count;
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("There are " + curveNumber + " curves.\n");
index = 0;
foreach (Autodesk.Aec.Modeler.Curve c in b.Curves)
{
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("Curve " + index + " is a " + c.Type + "\n");
index++;
}
int vertexNumber = b.Vertices.Count;
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("There are " + vertexNumber + " vertices.\n");
index = 0;
foreach (Autodesk.Aec.Modeler.Vertex v in b.Vertices)
{
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("Vertices " + index + " : " + v.Point + "\n");
index++;
}
Autodesk.Aec.Modeler.Vertex vMin = b.GetVertexMin(new Vector3d(0, 0, 1));
Autodesk.Aec.Modeler.Vertex vMax = b.GetVertexMax(new Vector3d(0, 0, 1));
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("The Lowest Vertex is " + vMin.Point + "\n");
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("The Hightest Vertex is " + vMax.Point + "\n");
}
private void Clear()
{
Database db = HostApplicationServices.WorkingDatabase;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
Transaction t = tm.StartTransaction();
BlockTable bt = tm.GetObject(db.BlockTableId, OpenMode.ForRead, false) as BlockTable;
BlockTableRecord btr = tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false) as BlockTableRecord;
foreach (Autodesk.AutoCAD.DatabaseServices.ObjectId id in btr)
{
MassElement me = tm.GetObject(id, OpenMode.ForWrite) as MassElement;
if (null != me)
{
me.Erase();
}
}
t.Commit();
t.Dispose();
}
private bool commandExec(string cmdString)
{
if (cmdString.ToLower() == "initsample")
{
InitSample();
return(true);
}
if (cmdString.ToLower() == "clear")
{
Clear();
return(true);
}
if (cmdString.ToLower() == "quit")
{
return(false);
}
bool result = true;
Database db = HostApplicationServices.WorkingDatabase;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
Transaction t = tm.StartTransaction();
BlockTable bt = tm.GetObject(db.BlockTableId, OpenMode.ForRead, false) as BlockTable;
BlockTableRecord btr = tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false) as BlockTableRecord;
foreach (Autodesk.AutoCAD.DatabaseServices.ObjectId id in btr)
{
MassElement me = tm.GetObject(id, OpenMode.ForWrite) as MassElement;
if (me == null)
{
continue;
}
Autodesk.Aec.Modeler.Body b = me.Body;
Autodesk.Aec.Modeler.Body b2 = null;
if (cmdString.ToLower() == "subbody")
{
Autodesk.Aec.Modeler.Body subB = Autodesk.Aec.Modeler.Body.Cone(new LineSegment3d(new Point3d(0, 0, 0), new Point3d(0, 0, 5)), 1, 1.5, 10);
b2 = b - subB;
me.SetBody(b2, true);
}
else if (cmdString.ToLower() == "multiplybody")
{
Autodesk.Aec.Modeler.Body bb = Autodesk.Aec.Modeler.Body.Cone(new LineSegment3d(new Point3d(0, 0, 0), new Point3d(0, 0, 5)), 1, 1.5, 10);
b2 = b * bb;
me.SetBody(b2, true);
}
else if (cmdString.ToLower() == "sectionbody")
{
b.Section(new Plane(new Point3d(0, 0, 0), new Vector3d(0, 1, 1)), true);
me.SetBody(b, false);
}
else if (cmdString.ToLower() == "listbody")
{
ListBody(me);
}
else if (cmdString.ToLower() == "addbody")
{
Autodesk.Aec.Modeler.Body bb = Autodesk.Aec.Modeler.Body.Cylinder(new LineSegment3d(new Point3d(0, 0, 0), new Point3d(10, 0, 0)), 5, 20);
b2 = b + bb;
me.SetBody(b2, true);
}
else if (cmdString.ToLower() == "stretchbody")
{
b.Stretch(new LineSegment3d(new Point3d(0, 0, 0), new Point3d(0, 10, 0)));
me.SetBody(b, false);
}
else if (cmdString.ToLower() == "booleanop")
{
Autodesk.Aec.Modeler.Body bb = Autodesk.Aec.Modeler.Body.Cylinder(new LineSegment3d(new Point3d(0, 0, 0), new Point3d(10, 0, 0)), 5, 20);
b2 = b.BooleanOperation(bb, BooleanOperatorType.Intersect);
me.SetBody(b2, false);
}
else if (cmdString.ToLower() == "combinebody")
{
Autodesk.Aec.Modeler.Body bb = Autodesk.Aec.Modeler.Body.Box(new Point3d(0, 0, 0), new Vector3d(11, 11, 11));
b2 = bb.Combine(b);
me.SetBody(b2, false);
}
else if (cmdString.ToLower() == "translatebody")
{
b2 = b.Translate(new Vector3d(0, 10, 0));
me.SetBody(b2, false);
}
else if (cmdString.ToLower() == "rotatebody")
{
b2 = b.Rotate(new LineSegment3d(new Point3d(0, 0, 0), new Point3d(1, 1, 1)), 30);
me.SetBody(b2, false);
}
else if (cmdString.ToLower() == "scalebody")
{
b2 = b.Scale(new Point3d(0, 0, 0), 2);
me.SetBody(b2, true);
}
else if (cmdString.ToLower() == "listpickbody")
{
MassElement[] ms = GetSelectedMassElement();
if (null != ms)
{
foreach (MassElement m in ms)
{
ListBody(m);
}
}
}
else
{
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage("Wrong command!\n");
result = false;
}
}
t.Commit();
t.Dispose();
return(result);
}
