//SemLocalPlacement3D _objectSemLocalPlacement;
//public override SemLocalPlacement3D ObjectSemLocalPlacement {
// get { return _objectSemLocalPlacement; }
// protected set { _objectSemLocalPlacement = value; }
//}
SemAnnotation(string name, string type, SemElement element,
SemCoordinate3D position, SemDirection3D zAxis, SemDirection3D xAxis)
{
Element = element;
SemPosition3D pos = SemPosition3D.Create(position, zAxis, xAxis);
ObjectSemLocalPlacement = SemLocalPlacement3D.Create(
Element.ObjectSemLocalPlacement, pos);
var tg = SemTextGeometry.Create(name, SemPosition2D.DefaultPosition);
IfcAnnotation = new IfcAnnotation {
GlobalId = IfcGloballyUniqueId.NewGuid(),
OwnerHistory = SemHeaderSetting.Setting3D.IfcOwnerHistory,
Name = name,
ObjectPlacement = ObjectSemLocalPlacement.IfcLocalPlacement,
Representation = tg.IfcProductDefinitionShape,
ObjectType = type,
};
IfcRelAssignsToProduct = new IfcRelAssignsToProduct {
GlobalId = IfcGloballyUniqueId.NewGuid(),
OwnerHistory = SemHeaderSetting.Setting3D.IfcOwnerHistory,
RelatedObjects = new List <IfcObjectDefinition>(),
RelatingProduct = IfcAnnotation,
};
IfcRelAssignsToProduct.RelatedObjects.Add(element.IfcObject);
}
private static void Main(string[] args)
{
var database = new DatabaseIfc(ModelView.Ifc4X3NotAssigned);
database.Factory.ApplicationDeveloper = "Sebastian Esser";
// turn owner history off
database.Factory.Options.GenerateOwnerHistory = false;
// basic setup
var site = new IfcSite(database, "SiteA");
var project = new IfcProject(
site,
"SampleProject with a span annotation",
IfcUnitAssignment.Length.Metre
);
// create an annotation
var annotation = new IfcAnnotation(database)
{
Name = "DesignSpeed",
};
annotation.AddComment("Annotation item span-placed along the alignment");
// link annotation with site
var contained = new IfcRelContainedInSpatialStructure(site);
contained.RelatedElements.Add(annotation);
#region Alignment
var alignment = new IfcAlignment(site)
{
Name = "Basic alignment with a single horizontal segment"
};
alignment.AddComment("Generate alignment representation");
// semantic
var horizSegment = new IfcAlignmentHorizontalSegment(
new IfcCartesianPoint(database, 5, 10),
0,
0,
0,
200,
IfcAlignmentHorizontalSegmentTypeEnum.LINE);
// geometric representation of a single segment. It gets referenced by IfcCompositeCurve.segments and IfcAlignmentSegment.Representation
var curveSegment = new IfcCurveSegment(
IfcTransitionCode.CONTSAMEGRADIENTSAMECURVATURE,
new IfcAxis2Placement2D(new IfcCartesianPoint(database, 0, 0)),
new IfcParameterValue(0),
new IfcParameterValue(200),
null);
var segments = new List <IfcSegment> {
curveSegment
};
var compositeCurve = new IfcCompositeCurve(segments);
var rep = new IfcShapeRepresentation(compositeCurve)
{
RepresentationIdentifier = "Axis",
RepresentationType = "Curve2D"
};
alignment.Representation = new IfcProductDefinitionShape(rep);
alignment.Axis = compositeCurve;
// create an alignment horizontal instance that takes a list of horizontal segments
var alignmentHorizontal = new IfcAlignmentHorizontal(database)
{
Segments = new LIST <IfcAlignmentHorizontalSegment>()
{
horizSegment
}
};
// link alignment and and its horizontal part semantically
new IfcRelAggregates(alignment, alignmentHorizontal);
// create a new alignmentSegment with then gets one curve segment as its geometric representation
var alignmentSegment = new IfcAlignmentSegment(database);
// link horizontal alignment with the recently created alignment segment
new IfcRelNests(alignmentHorizontal, alignmentSegment); // sorted list -> IfcRelNests
// connect geom representation to this segment
alignmentSegment.Representation = new IfcProductDefinitionShape(new IfcShapeRepresentation(curveSegment));
#endregion Alignment
#region Annotation placement
alignmentSegment.AddComment("Create placement for annotation");
var axis2place = new IfcAxis2PlacementLinear(
new IfcPointByDistanceExpression(25, compositeCurve),
null,
null);
var linPlacement = new IfcLinearPlacement(axis2place);
linPlacement.Distance = new IfcPointByDistanceExpression(128, compositeCurve);
annotation.ObjectPlacement = linPlacement;
#endregion Annotation placement
#region PSet
//var lengthUnit = new IfcSIUnit(database, IfcUnitEnum.LENGTHUNIT, IfcSIPrefix.NONE, IfcSIUnitName.METRE);
var lengthDerivedUnit = new IfcSIUnit(database, IfcUnitEnum.LENGTHUNIT, IfcSIPrefix.KILO, IfcSIUnitName.METRE);
lengthDerivedUnit.AddComment("PSet setup");
var timeBaseUnit = new IfcSIUnit(database, IfcUnitEnum.TIMEUNIT, IfcSIPrefix.NONE, IfcSIUnitName.SECOND);
var timeDerivedUnit = new IfcConversionBasedUnit(IfcUnitEnum.TIMEUNIT, "hour", new IfcMeasureWithUnit(new IfcPositiveInteger(3600), timeBaseUnit));
var ifcderivedunitelem1 = new IfcDerivedUnitElement(lengthDerivedUnit, 1);
var ifcderivedunitelem2 = new IfcDerivedUnitElement(timeDerivedUnit, -1);
var speedUnit = new IfcDerivedUnit(
new List <IfcDerivedUnitElement> {
ifcderivedunitelem1, ifcderivedunitelem2
},
IfcDerivedUnitEnum.LINEARVELOCITYUNIT);
var pSet = new IfcPropertySet(annotation, "PSET_SpeedData", new List <IfcProperty>
{
new IfcPropertySingleValue(database, "CargoSpeed", new IfcLinearVelocityMeasure(60), speedUnit),
new IfcPropertySingleValue(database, "DesignSpeed", new IfcLinearVelocityMeasure(110), speedUnit)
});
#endregion PSet
database.WriteFile("AlignmentWithSpanAnnotation.ifc");
}
