/// <summary>
/// Calculate and paint the attenuation
/// values on the given face.
/// </summary>
public static void PaintFace(
Face face,
XYZ psource,
AttenuationCalculator calc)
{
IList <UV> uvPts = new List <UV>();
IList <ValueAtPoint> uvValues = new List <ValueAtPoint>();
BoundingBoxUV bb = face.GetBoundingBox();
double umin = bb.Min.U;
double umax = bb.Max.U;
double ustep = 0.2 * (umax - umin);
double vmin = bb.Min.V;
double vmax = bb.Max.V;
double vstep = 0.2 * (vmax - vmin);
List <double> vals = new List <double>(1);
vals.Add(0);
XYZ psource2 = psource + _z_offset;
for (double u = umin; u <= umax; u += ustep)
{
for (double v = vmin; v <= vmax; v += vstep)
{
UV uv = new UV(u, v);
if (face.IsInside(uv))
{
uvPts.Add(uv);
XYZ ptarget = face.Evaluate(uv)
+ _z_offset;
vals[0] = calc.Attenuation(
psource2, ptarget);
uvValues.Add(new ValueAtPoint(vals));
}
}
}
FieldDomainPointsByUV fpts
= new FieldDomainPointsByUV(uvPts);
FieldValues fvals = new FieldValues(uvValues);
_sfm.UpdateSpatialFieldPrimitive(
_sfp_index, fpts, fvals, _schemaId);
}
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Application app = uiapp.Application;
Document doc = uidoc.Document;
Selection sel = uidoc.Selection;
// Pick signal source point on floor slab.
Reference r;
try
{
r = sel.PickObject(
ObjectType.Face,
new FloorFilter(),
"Please pick signal source point.");
Debug.Print(Util.PointString(r.GlobalPoint));
}
catch (Autodesk.Revit.Exceptions
.OperationCanceledException)
{
return(Result.Cancelled);
}
// Set up AVF display style.
View view = uidoc.ActiveView;
SetUpAvfSfm(view, r);
// Display attenuation.
Element floor = doc.GetElement(r.ElementId);
Face face = floor.GetGeometryObjectFromReference(
r) as Face;
Settings settings = Settings.Load();
AttenuationCalculator calc
= new AttenuationCalculator(doc, settings);
#if DEBUG_GRAPHICAL
using (Transaction tx = new Transaction(doc))
{
tx.Start("Draw Debug Model Lines");
#endif // DEBUG_GRAPHICAL
PaintFace(face, r.GlobalPoint, calc);
#if DEBUG_GRAPHICAL
tx.Commit();
}
#endif // DEBUG_GRAPHICAL
return(Result.Succeeded);
}