/// <summary>
/// Clears the current graphics and initiates the cascade of events that result in viewing the scene.
/// </summary>
/// <param name="EntityLabels">If null loads the whole model, otherwise only elements listed in the enumerable</param>
public void LoadGeometry(XbimModel model, bool recalcView = true)
{
// AddLayerToDrawingControl is the function that actually populates the geometry in the viewer.
// AddLayerToDrawingControl is triggered by BuildRefModelScene and BuildScene below here when layers get ready.
//reset all the visuals
ClearGraphics(recalcView);
short userDefinedId = 0;
if (model == null)
{
return; //nothing to show
}
model.UserDefinedId = userDefinedId;
Xbim3DModelContext context = new Xbim3DModelContext(model);
XbimRegion largest = context.GetLargestRegion();
XbimPoint3D c = new XbimPoint3D(0, 0, 0);
XbimRect3D bb = XbimRect3D.Empty;
if (largest != null)
{
bb = new XbimRect3D(largest.Centre, largest.Centre);
}
foreach (var refModel in model.ReferencedModels)
{
XbimRegion r;
refModel.Model.UserDefinedId = ++userDefinedId;
Xbim3DModelContext refContext = new Xbim3DModelContext(refModel.Model);
r = refContext.GetLargestRegion();
if (r != null)
{
if (bb.IsEmpty)
{
bb = new XbimRect3D(r.Centre, r.Centre);
}
else
{
bb.Union(r.Centre);
}
}
}
XbimPoint3D p = bb.Centroid();
_modelTranslation = new XbimVector3D(-p.X, -p.Y, -p.Z);
model.ReferencedModels.CollectionChanged += RefencedModels_CollectionChanged;
//build the geometric scene and render as we go
BuildScene(context);
foreach (var refModel in model.ReferencedModels)
{
Xbim3DModelContext refContext = new Xbim3DModelContext(refModel.Model);
BuildScene(refContext);
}
if (recalcView)
{
RecalculateView(model);
}
}
/// <summary>
/// calculates the tansform to convert models to metres and centre on the most populated region, includes reference models
/// </summary>
/// <returns></returns>
private XbimMatrix3D GetGlobalModelTransform()
{
XbimRegion largest = _context.GetLargestRegion();
XbimRect3D bb = XbimRect3D.Empty;
if (largest != null)
{
bb = new XbimRect3D(largest.Centre, largest.Centre);
}
foreach (var refModel in _context.Model.ReferencedModels)
{
XbimRegion r;
Xbim3DModelContext refContext = new Xbim3DModelContext(refModel.Model);
r = refContext.GetLargestRegion();
if (r != null)
{
if (bb.IsEmpty)
{
bb = new XbimRect3D(r.Centre, r.Centre);
}
else
{
bb.Union(r.Centre);
}
}
}
XbimPoint3D p = bb.Centroid();
var modelTranslation = new XbimVector3D(-p.X, -p.Y, -p.Z);
double metreFactor = 1.0 / _context.Model.ModelFactors.OneMetre;
return(XbimMatrix3D.CreateTranslation(modelTranslation) * XbimMatrix3D.CreateScale(metreFactor));
}
/// <summary>
/// calculates the tansform to convert models to metres and centre on the most populated region, includes reference models
/// </summary>
/// <returns></returns>
private XbimMatrix3D GetGlobalModelTransform()
{
XbimRegion largest = _context.GetLargestRegion();
XbimRect3D bb = XbimRect3D.Empty;
if (largest != null) bb = new XbimRect3D(largest.Centre, largest.Centre);
foreach (var refModel in _context.Model.ReferencedModels)
{
XbimRegion r;
Xbim3DModelContext refContext = new Xbim3DModelContext(refModel.Model);
r = refContext.GetLargestRegion();
if (r != null)
{
if (bb.IsEmpty)
bb = new XbimRect3D(r.Centre, r.Centre);
else
bb.Union(r.Centre);
}
}
XbimPoint3D p = bb.Centroid();
var modelTranslation = new XbimVector3D(-p.X, -p.Y, -p.Z);
double metreFactor = 1.0 / _context.Model.ModelFactors.OneMetre;
return XbimMatrix3D.CreateTranslation(modelTranslation) * XbimMatrix3D.CreateScale(metreFactor);
}
public XbimModelPositioning(XbimModel model)
{
_model = model;
Context = new Xbim3DModelContext(model);
var supportLevel = model.GeometrySupportLevel;
switch (supportLevel)
{
case 1:
LargestRegion = GetLargestRegion(model);
break;
case 2:
LargestRegion = Context.GetLargestRegion();
break;
}
}
public XbimModelPositioning(XbimModel model)
{
_model = model;
Context = new Xbim3DModelContext(model);
var supportLevel = model.GeometrySupportLevel;
switch (supportLevel)
{
case 1:
LargestRegion = GetLargestRegion(model);
break;
case 2:
LargestRegion = Context.GetLargestRegion();
break;
}
}
/// <summary>
/// Clears the current graphics and initiates the cascade of events that result in viewing the scene.
/// </summary>
/// <param name="EntityLabels">If null loads the whole model, otherwise only elements listed in the enumerable</param>
public void LoadGeometry(XbimModel model, bool recalcView = true)
{
// AddLayerToDrawingControl is the function that actually populates the geometry in the viewer.
// AddLayerToDrawingControl is triggered by BuildRefModelScene and BuildScene below here when layers get ready.
//reset all the visuals
ClearGraphics(recalcView);
short userDefinedId = 0;
if (model == null)
return; //nothing to show
model.UserDefinedId = userDefinedId;
Xbim3DModelContext context = new Xbim3DModelContext(model);
XbimRegion largest = context.GetLargestRegion();
XbimPoint3D c = new XbimPoint3D(0, 0, 0);
XbimRect3D bb = XbimRect3D.Empty;
if (largest != null)
bb = new XbimRect3D(largest.Centre, largest.Centre);
foreach (var refModel in model.ReferencedModels)
{
XbimRegion r;
refModel.Model.UserDefinedId = ++userDefinedId;
Xbim3DModelContext refContext = new Xbim3DModelContext(refModel.Model);
r = refContext.GetLargestRegion();
if (r != null)
{
if (bb.IsEmpty)
bb = new XbimRect3D(r.Centre, r.Centre);
else
bb.Union(r.Centre);
}
}
XbimPoint3D p = bb.Centroid();
_modelTranslation = new XbimVector3D(-p.X, -p.Y, -p.Z);
model.ReferencedModels.CollectionChanged += RefencedModels_CollectionChanged;
//build the geometric scene and render as we go
BuildScene(context);
foreach (var refModel in model.ReferencedModels)
{
Xbim3DModelContext refContext = new Xbim3DModelContext(refModel.Model);
BuildScene(refContext);
}
if (recalcView) RecalculateView(model);
}
private void ShowGeometrySummary(XbimModel model)
{
var context = new Xbim3DModelContext(model);
Console.WriteLine();
Console.WriteLine("Styles");
foreach (var styles in context.SurfaceStyles())
{
Console.WriteLine("{0,-6} {1,-30} {2,-6}",
styles.DefinedObjectId,
styles.ColourMap.First(),
styles.IsTransparent);
}
var largest = context.GetLargestRegion();
Console.WriteLine();
Console.WriteLine("Regions");
foreach (var region in context.GetRegions())
{
Console.WriteLine("{0,-20} {1,6} {2}",
region.Name,
region.Population,
(region == largest));
}
Console.WriteLine("{0,-8}, {1,-8}, {2,6} {3,8}",
"Ifc Label",
"Label",
"Ref Count",
"Bytes");
var geometries = GetGeom(model)
.OrderByDescending(o => o.Cost)
.Distinct()
.Take(10);
var items = from inst in context.ShapeInstances()
join prod in model.Instances.OfType <IfcProduct>()
on inst.IfcProductLabel equals prod.EntityLabel
select new
{
Instance = inst,
Geometry = context.ShapeGeometry(inst.InstanceLabel),
Product = prod
};
var expensiveProducts = items
.OrderByDescending(o => (o.Geometry.IsValid ? o.Geometry.Cost : 0))
.Take(20);
foreach (var geometry in geometries)
{
Console.WriteLine("{0, -8}, {1,-8}, {2,6} {3,8}",
geometry.IfcShapeLabel,
geometry.ShapeLabel,
geometry.ReferenceCount,
geometry.Cost);
}
Console.WriteLine();
Console.WriteLine("Top 20 expensive items");
foreach (var item in expensiveProducts)
{
Console.WriteLine("{0,-6} {1,-40} {2,-20} {3,6}",
item.Product.EntityLabel,
item.Product.Name.ToString().Truncate(40),
item.Product.GetType().Name,
item.Geometry.Cost
);
}
}