/// <summary>
/// Initialise the external webcam event driver.
/// </summary>
public static void Start(View view, Reference r)
{
_faceReference = r;
SpatialFieldManager sfm
= SpatialFieldManager.GetSpatialFieldManager(
view);
if (null == sfm)
{
sfm = SpatialFieldManager
.CreateSpatialFieldManager(view, 1);
}
else if (0 < _sfp_index)
{
sfm.RemoveSpatialFieldPrimitive(
_sfp_index);
_sfp_index = -1;
}
_sfp_index = sfm.AddSpatialFieldPrimitive(
_faceReference);
_event = ExternalEvent.Create(
new WebcamEventHandler());
Thread thread = new Thread(
new ThreadStart(Run));
thread.Start();
}
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
try
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Document doc = uidoc.Document;
View view = doc.ActiveView; // maybe has to be 3D
Reference r = uidoc.Selection.PickObject(
ObjectType.Face,
new BimElementFilter(),
_prompt);
Debug.Assert(null != r,
"expected non-null reference from PickObject");
Debug.Assert(null != r.Element,
"expected non-null element from PickObject");
Debug.Assert(null != r.GeometryObject,
"expected non-null geometry object from PickObject");
_faceReference = r;
SpatialFieldManager sfm
= SpatialFieldManager.GetSpatialFieldManager(
view);
if (null != sfm && 0 < _sfp_index)
{
sfm.RemoveSpatialFieldPrimitive(
_sfp_index);
_sfp_index = -1;
}
SetAnalysisDisplayStyle(doc);
uiapp.Idling
+= new EventHandler <IdlingEventArgs>(
OnIdling);
return(Result.Succeeded);
}
catch (Exception ex)
{
message = ex.Message;
return(Result.Failed);
}
}
/// <summary>
/// Set up the AVF spatial field manager
/// for the given view.
/// </summary>
static void SetUpAvfSfm(
View view,
Reference faceReference)
{
if (view.AnalysisDisplayStyleId
== ElementId.InvalidElementId)
{
SetAvfDisplayStyle(view);
}
_sfm = SpatialFieldManager
.GetSpatialFieldManager(view);
if (null == _sfm)
{
_sfm = SpatialFieldManager
.CreateSpatialFieldManager(view, 1);
}
else if (0 < _sfp_index)
{
_sfm.RemoveSpatialFieldPrimitive(
_sfp_index);
}
_sfp_index = _sfm.AddSpatialFieldPrimitive(
faceReference);
if (-1 != _schemaId)
{
IList <int> results = _sfm.GetRegisteredResults();
if (!results.Contains(_schemaId))
{
_schemaId = -1;
}
}
if (-1 == _schemaId)
{
AnalysisResultSchema schema
= new AnalysisResultSchema("Attenuation",
"RvtFader signal attenuation");
List <string> unitNames = new List <string>(new string[1] {
"dB"
});
List <double> unitFactors = new List <double>(new double[1] {
1.0
});
schema.SetUnits(unitNames, unitFactors);
_schemaId = _sfm.RegisterResult(schema);
}
}
public Autodesk.Revit.UI.Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIApplication uiApp = commandData.Application;
UIDocument uiDoc = uiApp.ActiveUIDocument;
Document doc = uiDoc.Document;
s_docName = doc.PathName;
Element element = null;
try
{
element = doc.GetElement(uiDoc.Selection.PickObject(ObjectType.Element, "Select an element for the AVF demonstration."));
}
catch (System.Exception)
{
message = "User aborted the tool.";
return(Result.Cancelled);
}
// Set up SpatialFieldManager to hold results
s_activeViewId = doc.ActiveView.Id;
SpatialFieldManager oldSfm = null;
View oldView = null;
if (s_oldViewId != null)
{
oldView = doc.GetElement(s_oldViewId) as View;
}
if (oldView != null)
{
oldSfm = SpatialFieldManager.GetSpatialFieldManager(oldView);
}
// If a previous SFM was being managed, delete it
if (oldSfm != null)
{
oldSfm.RemoveSpatialFieldPrimitive(s_oldSpatialFieldId);
}
// Setup container object for executing the calculation
MultithreadedCalculationContainer container = CreateContainer(element);
// Register updater to watch for geometry changes
SpatialFieldUpdater updater = new SpatialFieldUpdater(container, uiApp.ActiveAddInId);
if (!UpdaterRegistry.IsUpdaterRegistered(updater.GetUpdaterId()))
{
UpdaterRegistry.RegisterUpdater(updater, doc);
}
IList <ElementId> idCollection = new List <ElementId>();
idCollection.Add(element.Id);
UpdaterRegistry.RemoveAllTriggers(s_updaterId);
UpdaterRegistry.AddTrigger(updater.GetUpdaterId(), doc, idCollection, Element.GetChangeTypeGeometry());
// Register idling event
uiApp.Idling += new EventHandler <IdlingEventArgs>(container.UpdateWhileIdling);
// Start new thread
Thread thread = new Thread(new ThreadStart(container.Run));
thread.Start();
return(Autodesk.Revit.UI.Result.Succeeded);
}
