static void Main(string[] args) //Example as requested at http://forums.autodesk.com/t5/revit-api/opensource-api-for-reading-ifc-files/m-p/6435644#M17340
{
DirectoryInfo di = Directory.GetParent(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location));
di = Directory.GetParent(di.FullName);
string filename = Path.Combine(di.FullName, "IFC Model.ifc");
DatabaseIfc db = new DatabaseIfc(filename);
IfcProject project = db.Project;
List <IfcBuildingElement> elements = project.Extract <IfcBuildingElement>();
Dictionary <string, MyElement> dictionary = new Dictionary <string, MyElement>();
foreach (IfcBuildingElement element in elements)
{
string desc = (element as IfcColumn != null ? "COL" : (element as IfcBeam != null ? "BEAM" : ""));
string mark = element.Tag;
if (!string.IsNullOrEmpty(desc))
{
if (dictionary.ContainsKey(mark))
{
dictionary[mark].mQuantity++;
}
else
{
string grade = "";
double length = 0;
foreach (IfcRelDefinesByProperties rdp in element.IsDefinedBy)
{
IfcPropertySet pset = rdp.RelatingPropertyDefinition as IfcPropertySet;
if (pset == null)
{
continue;
}
foreach (var property in pset.HasProperties)
{
IfcPropertySingleValue psv = property as IfcPropertySingleValue;
if (psv == null)
{
continue;
}
if (string.Compare("Grade", psv.Name) == 0)
{
grade = psv.NominalValue.Value.ToString();
}
else if (string.Compare("Length", psv.Name) == 0)
{
IfcLengthMeasure lengthmeasure = psv.NominalValue as IfcLengthMeasure;
if (lengthmeasure != null)
{
length = lengthmeasure.Measure;
}
}
}
}
dictionary.Add(mark, new MyElement(mark, desc, element.ObjectType, grade, length));
}
}
}
Console.WriteLine("Mark\tDescription\tSection\tGrade\tLength\tQty");
foreach (MyElement element in dictionary.ToList().ConvertAll(x => x.Value).OrderBy(x => x.mMark))
{
Console.WriteLine(element.mMark + "\t" + element.mDescription + "\t" + element.mSection + "\t" + element.mGrade + "\t" + element.mLength + "\t" + element.mQuantity);
}
}
internal FactoryIfc(DatabaseIfc db)
{
mDatabase = db;
}
static void Main(string[] args)
{
// create database
var database = new DatabaseIfc(ModelView.Ifc4X3NotAssigned);
// create IfcSite instance
var site = new IfcSite(database, "sampleSite");
// create top-most spatial structure element IfcProject, set units and assign facility to project
var project = new IfcProject(site, "myProject", IfcUnitAssignment.Length.Metre);
// -- create facility representing the logical unit of road-bridge-road --
var trafficFacility = new IfcFacility(site, "TrafficWayA")
{
CompositionType = IfcElementCompositionEnum.COMPLEX
};
// create parts/child-facilities and assign them to the traffic way
var facilityPart1 = new IfcFacilityPart(
trafficFacility,
"myRoadPart01",
new IfcFacilityPartTypeSelect(
IfcRoadPartTypeEnum.ROADSEGMENT),
IfcFacilityUsageEnum.LONGITUDINAL);
facilityPart1.Description = "TrafficWayA -> Segment 1";
var facilityPart2 = new IfcFacility(trafficFacility, "myBridge")
{
Description = "TrafficWayA -> Segment 2"
};
var facilityPart3 = new IfcFacilityPart(
trafficFacility,
"myRoadPart02",
new IfcFacilityPartTypeSelect(
IfcRoadPartTypeEnum.ROADSEGMENT),
IfcFacilityUsageEnum.LONGITUDINAL)
{
Description = "TrafficWayA -> Segment 3"
};
// -- river facility --
var river = new IfcFacility(site, "River")
{
CompositionType = IfcElementCompositionEnum.NOTDEFINED
};
// add a part to the river
var riverPart = new IfcFacilityPart(
river,
"myRiver",
new IfcFacilityPartTypeSelect(
IfcMarinePartTypeEnum.WATERFIELD),
IfcFacilityUsageEnum.LONGITUDINAL)
{
Description = "River that passes under the bridge"
};
// store the IFC model
database.WriteFile("IFC4X3RC1_spatialDecomposition.ifc");
}