public static IfcProductDefinitionShape CreateExtruded(IfcRepresentationContext representationContext,
IfcProfileDef ifcProfileDef, IfcAxis2Placement3D placement3D, IfcDirection direction, double depth)
{
var extruded = new IfcExtrudedAreaSolid
{
SweptArea = ifcProfileDef,
Position = placement3D,
ExtrudedDirection = direction ,
Depth = depth,
};
var shaperep = new IfcShapeRepresentation
{
ContextOfItems = representationContext,
RepresentationIdentifier = "Body",
RepresentationType = "SweptSolid",
Items = new List<IfcRepresentationItem>(),
};
shaperep.Items.Add(extruded);
var ifcShape = new IfcProductDefinitionShape
{
// Name=
// Description =
Representations = new List<IfcRepresentation>(),
};
ifcShape.Representations.Add(shaperep);
return ifcShape;
}
public static Matrix4 Axis2Placement3DToMatrix(IfcAxis2Placement3D axis2Placement3)
{
if (axis2Placement3.Axis == null)
{
axis2Placement3.Axis = new IfcDirection(0, 0, 1);
}
if (axis2Placement3.RefDirection == null)
{
axis2Placement3.RefDirection = new IfcDirection(1, 0, 0);
}
// Y direction is Z x ref direction
// Caution
// X direction is YxZ, not ZxY, which is reverse direction
IfcDirection yDirection = IfcDirection.GetCrossProduct(axis2Placement3.Axis, axis2Placement3.RefDirection);
IfcDirection xDirection = IfcDirection.GetCrossProduct(yDirection, axis2Placement3.Axis);
IfcDirection zDirection = axis2Placement3.Axis;
return new Matrix4(
xDirection.DirectionRatios[0], yDirection.DirectionRatios[0], zDirection.DirectionRatios[0],
axis2Placement3.Location.Coordinates[0],
xDirection.DirectionRatios[1], yDirection.DirectionRatios[1], zDirection.DirectionRatios[1],
axis2Placement3.Location.Coordinates[1],
xDirection.DirectionRatios[2], yDirection.DirectionRatios[2], zDirection.DirectionRatios[2],
axis2Placement3.Location.Coordinates[2],
0, 0, 0, 1
);
}
//BbPosition3D()
// : this(BbCoordinate3D.Origin)
//{
//}
//BbPosition3D(BbCoordinate3D coordinate3D)
// : this(coordinate3D, BbDirection3D.Axis, BbDirection3D.RefDirection)
//{
//}
BbPosition3D(BbCoordinate3D coordinate3D,
BbDirection3D axis, BbDirection3D refDirection)
{
Coordinate3D = coordinate3D;
Axis = axis;
RefDirection = refDirection;
ifcAxis2Placement3D = new IfcAxis2Placement3D
{
Location = coordinate3D.IfcCartesianPoint,
RefDirection = refDirection.IfcDirection,
Axis = axis.IfcDirection,
};
}
public static Matrix4 LocalTransform(IfcLocalPlacement localPlacement)
{
Matrix4 rMatrix = null;
if (localPlacement.RelativePlacement.Value is IfcAxis2Placement3D)
{
var relPlacement = localPlacement.RelativePlacement.Value as IfcAxis2Placement3D;
rMatrix = IfcAxis2Placement3D.Axis2Placement3DToMatrix(relPlacement);
// Check the nodes found.
if (localPlacement.PlacementRelTo != null)
{
var ifcLocalPlacement = localPlacement.PlacementRelTo as IfcLocalPlacement;
if (ifcLocalPlacement != null)
{
rMatrix.MultiplyRev(LocalTransform(ifcLocalPlacement));
}
}
}
return(rMatrix);
}
public static IfcProductDefinitionShape CreateExtruded(IfcRepresentationContext representationContext,
IfcProfileDef ifcProfileDef, IfcAxis2Placement3D placement3D, IfcDirection direction, double depth)
{
var extruded = new IfcExtrudedAreaSolid
{
SweptArea = ifcProfileDef,
Position = placement3D,
ExtrudedDirection = direction,
Depth = depth,
};
var shaperep = new IfcShapeRepresentation
{
ContextOfItems = representationContext,
RepresentationIdentifier = "Body",
RepresentationType = "SweptSolid",
Items = new List <IfcRepresentationItem>(),
};
shaperep.Items.Add(extruded);
var ifcShape = new IfcProductDefinitionShape
{
// Name=
// Description =
Representations = new List <IfcRepresentation>(),
};
ifcShape.Representations.Add(shaperep);
return(ifcShape);
}