public IfcRepresentationMap(IfcAxis2Placement __MappingOrigin, IfcRepresentation __MappedRepresentation)
{
this.MappingOrigin = __MappingOrigin;
this.MappedRepresentation = __MappedRepresentation;
this.HasShapeAspects = new HashSet <IfcShapeAspect>();
this.MapUsage = new HashSet <IfcMappedItem>();
}
public void AddRepresentation(IfcRepresentation representation)
{
if (this.Representation == null)
{
this.Representation = new IfcProductDefinitionShape();
}
this.Representation.Representations.Add(representation);
}
/// <summary>
/// returns a Hash for the geometric behaviour of this object
/// </summary>
/// <param name="solid"></param>
/// <returns></returns>
public static int GetGeometryHashCode(this IfcRepresentation rep)
{
int hash = 0;
foreach (var item in rep.Items)
{
hash ^= item.GetGeometryHashCode();
}
return(hash);
}
/// <summary>
/// returns true if the representation is a 3D Shape (solid or surface), if it is a curve or curve set returns false
/// </summary>
/// <param name="rep"></param>
/// <returns></returns>
public static bool IsBodyRepresentation(this IfcRepresentation rep)
{
//in old models sometimes the representation is not defined so assume it is a candidate
if (!rep.RepresentationIdentifier.HasValue || string.IsNullOrEmpty(rep.RepresentationIdentifier.Value))
{
return(true);
}
string repIdentifier = rep.RepresentationIdentifier.Value;
//if it is defined as body then it is candidate but exclude if it is using a line base representation
if (string.Compare(repIdentifier, "body", true) == 0 || string.Compare(repIdentifier, "facetation", true) == 0)
{
//this should always be defined in an ifc2x3 schema but if it is not assume a solid
if (!rep.RepresentationType.HasValue)
{
return(true);
}
string repType = rep.RepresentationType.Value;
repType = repType.ToLowerInvariant();
//ignore line based body representations
//if (repType == "curve2d" || repType == "geometricset" || repType == "geometriccurveset" || repType == "annotation2d") return false;
//make sure we have a valid solid
switch (repType)
{
case "solidmodel":
case "surfacemodel":
case "sweptsolid":
case "brep":
case "csg":
case "clipping":
case "advancedsweptsolid":
case "boundingbox":
case "sectionedspine":
case "mappedrepresentation":
return(true);
case "geometricset":
case "geometriccurveset":
case "annotation2d":
case "curve2d":
default:
return(false);
}
}
else
{
return(false);
}
}
public override void Parse(int propIndex, IPropertyValue value, int[] nestedIndex)
{
switch (propIndex)
{
case 0:
_mappingOrigin = (IfcAxis2Placement)(value.EntityVal);
return;
case 1:
_mappedRepresentation = (IfcRepresentation)(value.EntityVal);
return;
default:
throw new XbimParserException(string.Format("Attribute index {0} is out of range for {1}", propIndex + 1, GetType().Name.ToUpper()));
}
}
public virtual void IfcParse(int propIndex, IPropertyValue value)
{
switch (propIndex)
{
case 0:
_mappingOrigin = (IfcAxis2Placement)value.EntityVal;
break;
case 1:
_mappedRepresentation = (IfcRepresentation)value.EntityVal;
break;
default:
this.HandleUnexpectedAttribute(propIndex, value); break;
}
}
/// <summary>
/// Compares two objects for geomtric equality
/// </summary>
/// <param name="a"></param>
/// <param name="b">object to compare with</param>
/// <returns></returns>
public static bool GeometricEquals(this IfcRepresentation a, IfcRepresentation b)
{
if (a.Equals(b))
{
return(true);
}
List <IfcRepresentationItem> aRep = a.Items.ToList();
List <IfcRepresentationItem> bRep = b.Items.ToList();
for (int i = 0; i < aRep.Count; i++)
{
if (!aRep[i].GeometricEquals(bRep[i]))
{
return(false);
}
}
return(true);
}
public static Entity getEntityFromIfcRepresentation(IfcRepresentation rep, ViewportLayout viewportLayout1, Transformation entityTrs = null)
{
List <Entity> entityList = new List <Entity>();
if (viewportLayout1.Blocks.ContainsKey("Representation " + rep.Index.ToString()))
{
return(new IfcBlockReference("Representation " + rep.Index.ToString()));
}
foreach (IfcRepresentationItem item in rep.Items)
{
Entity entity = getEntityFromIfcRepresentationItem(item, viewportLayout1, entityTrs);
if (entity != null)
{
entityList.Add(entity);
}
}
if (entityList.Count > 1)
{
Block b = new Block();
foreach (Entity e in entityList)
{
b.Entities.Add(e);
}
viewportLayout1.Blocks.Add("Representation " + rep.Index.ToString(), b);
BlockReference br = new IfcBlockReference("Representation " + rep.Index.ToString());
br.ColorMethod = colorMethodType.byParent;
return(br);
//return new IfcBlockReference("Representation " + rep.Index.ToString());
}
else if (entityList.Count == 0)
{
return(null);
}
return(entityList[0]);
}
public void CreateProductIfcTest()
{
// === create request
string projectName = "test project";
string projectDescription = "project for test purposes";
Project project =
new Project.Builder().withName(projectName)
.withDescription(projectDescription)
.build();
string personGivenName = "Cedric";
string personFamilyName = "Mélange";
string personIdentifier = "cmela";
Person person =
new Person.Builder().withGivenName(personGivenName)
.withFamilyName(personFamilyName)
.withIdentifier(personIdentifier)
.build();
string organizationName = "EC Life";
string organizationDescription = "EC Life - for an easy, economical and ecological life";
string organizationIdentifier = "ECL";
Organization organization =
new Organization.Builder().withName(organizationName)
.withDescription(organizationDescription)
.withIdentifier(organizationIdentifier)
.build();
string applicationName = "ECL IfcCreator";
string applicationVersion = "1.0";
string applicationIdentifier = "IfcCreator";
Application application =
new Application.Builder().withName(applicationName)
.withVersion(applicationVersion)
.withIdentifier(applicationIdentifier)
.withOrganization(new Organization.Builder().build())
.build();
OwnerHistory owner =
new OwnerHistory.Builder().withPerson(person)
.withOrganization(organization)
.withApllication(application)
.build();
string productName = "test product";
string productDescription = "product for test purposes";
string constructionString = "SHAPE({POLYLINE2D([[0,0],[0,1],[1,1],[1,0]])}).EXTRUDE(1)";
var material0 = new Material.Builder().withName("material0")
.withColor(new ColorRGBa(1, 0, 0, 1))
.withRoughness(0)
.isMetal()
.build();
var material1 = new Material.Builder().withName("material1")
.withColor(new ColorRGBa(0, 0, 1, 1))
.withRoughness(1)
.isDielectric()
.build();
RepresentationItem representationItem0 =
new RepresentationItem.Builder()
.withConstructionString(constructionString)
.withMaterial(material0.id)
.build();
var rotationQ = new Quaternion();
rotationQ.SetFromEuler(new double[] { 90, 90, 90 });
RepresentationItem representationItem1 =
new RepresentationItem.Builder()
.withConstructionString(constructionString)
.withTransformation(new Transformation.Builder()
.withTranslation(new double[] { 2, 0, 0 })
.withRotation(rotationQ.ToArray())
.build())
.withMaterial(material1.id)
.build();
Representation representation =
new Representation.Builder().AddRepresentationItem(representationItem0)
.AddRepresentationItem(representationItem1)
.addMaterial(material0)
.addMaterial(material1)
.build();
Product product =
new Product.Builder().withName(productName)
.withDescription(productDescription)
.withType(ProductType.PROXY)
.addRepresenation(representation)
.build();
IfcSchema schema = IfcSchema.IFC2X3;
ProductIfcRequest request =
new ProductIfcRequest.Builder().withProject(project)
.withOwner(owner)
.withProduct(product)
.withSchema(schema)
.build();
// === convert to IFC stream
MemoryStream memStream = new MemoryStream();
IProductIfcCreator productIfcCreator = new ProductIfcCreator();
productIfcCreator.CreateProductIfc(request, memStream);
// === write to IFC file
using (FileStream fileStream = File.Create("./product_ifc_creator_test.ifc"))
{
memStream.WriteTo(fileStream);
}
// === parse IFC stream
Serializer serializer = new StepSerializer(typeof(IfcProject),
null,
schema.ToString(),
null,
"ECL IfcCreator");
IfcProject parsedProject = (IfcProject)serializer.ReadObject(memStream);
// === test values
Assert.Equal(projectName, parsedProject.Name);
Assert.Equal(projectDescription, parsedProject.Description);
IfcOwnerHistory parsedowner = parsedProject.OwnerHistory;
Assert.Equal(personGivenName, parsedowner.OwningUser.ThePerson.GivenName);
Assert.Equal(personFamilyName, parsedowner.OwningUser.ThePerson.FamilyName);
Assert.Equal(personIdentifier, parsedowner.OwningUser.ThePerson.Identification.Value.Value);
Assert.Equal(organizationName, parsedowner.OwningUser.TheOrganization.Name);
Assert.Equal(organizationDescription, parsedowner.OwningUser.TheOrganization.Description);
Assert.Equal(applicationName, parsedowner.OwningApplication.ApplicationFullName);
Assert.Equal(applicationVersion, parsedowner.OwningApplication.Version);
Assert.Equal(applicationIdentifier, parsedowner.OwningApplication.ApplicationIdentifier.Value);
IfcSite parsedSite = (IfcSite)GetItem(GetItem(parsedProject.IsDecomposedBy, 0).RelatedObjects, 0);
Assert.Equal(personGivenName, parsedSite.OwnerHistory.OwningUser.ThePerson.GivenName);
IfcBuilding parsedBuilding = (IfcBuilding)GetItem(GetItem(parsedSite.IsDecomposedBy, 0).RelatedObjects, 0);
Assert.Equal(personGivenName, parsedBuilding.OwnerHistory.OwningUser.ThePerson.GivenName);
IfcBuildingStorey parsedStorey = (IfcBuildingStorey)GetItem(GetItem(parsedBuilding.IsDecomposedBy, 0).RelatedObjects, 0);
Assert.Equal(personGivenName, parsedStorey.OwnerHistory.OwningUser.ThePerson.GivenName);
IfcProduct parsedProduct = (IfcProduct)GetItem(GetItem(parsedStorey.ContainsElements, 0).RelatedElements, 0);
Assert.Equal(personGivenName, parsedProduct.OwnerHistory.OwningUser.ThePerson.GivenName);
Assert.Equal(productName, parsedProduct.Name);
Assert.Equal(productDescription, parsedProduct.Description);
Assert.Equal(1, parsedProduct.Representation.Representations.Count);
IfcRepresentation parsedShapeRepresentation = GetItem(parsedProduct.Representation.Representations, 0);
Assert.Equal("Body", parsedShapeRepresentation.RepresentationIdentifier);
Assert.Equal("SolidModel", parsedShapeRepresentation.RepresentationType);
Assert.Equal(2, parsedShapeRepresentation.Items.Count);
Assert.IsType <IfcExtrudedAreaSolid>(GetItem(parsedShapeRepresentation.Items, 0));
Assert.IsType <IfcExtrudedAreaSolid>(GetItem(parsedShapeRepresentation.Items, 1));
var parsedItem0 = (IfcExtrudedAreaSolid)GetItem(parsedShapeRepresentation.Items, 0);
Assert.Equal(1, parsedItem0.StyledByItem.Count);
var StyledItem0 = GetItem(parsedItem0.StyledByItem, 0);
Assert.Equal("material0", ((IfcSurfaceStyle)GetItem(StyledItem0.Styles, 0)).Name);
var parsedItem1 = (IfcExtrudedAreaSolid)GetItem(parsedShapeRepresentation.Items, 1);
Assert.Equal(2, parsedItem1.Position.Location.Coordinates[0].Value);
Assert.Equal(0, parsedItem1.Position.Location.Coordinates[1].Value);
Assert.Equal(0, parsedItem1.Position.Location.Coordinates[2].Value);
Assert.Equal(1, parsedItem1.Position.Axis.DirectionRatios[0].Value, 5);
Assert.Equal(0, parsedItem1.Position.Axis.DirectionRatios[1].Value, 5);
Assert.Equal(0, parsedItem1.Position.Axis.DirectionRatios[2].Value, 5);
Assert.Equal(0, parsedItem1.Position.RefDirection.DirectionRatios[0].Value, 5);
Assert.Equal(0, parsedItem1.Position.RefDirection.DirectionRatios[1].Value, 5);
Assert.Equal(1, parsedItem1.Position.RefDirection.DirectionRatios[2].Value, 5);
Assert.Equal(1, parsedItem0.StyledByItem.Count);
var StyledItem1 = GetItem(parsedItem1.StyledByItem, 0);
Assert.Equal("material1", ((IfcSurfaceStyle)GetItem(StyledItem1.Styles, 0)).Name);
}
/***************************************************/
/**** Public Methods ****/
/***************************************************/
protected override IEnumerable <IBHoMObject> Read(IRequest request, ActionConfig actionConfig = null)
{
if (request == null)
{
BH.Engine.Reflection.Compute.RecordError("The request is null, pull failed.");
return(new List <IBHoMObject>());
}
// Get the toolkit-specific PullConfig
IfcPullConfig config = actionConfig as IfcPullConfig;
if (config == null)
{
config = new IfcPullConfig();
BH.Engine.Reflection.Compute.RecordNote("Config has not been specified, default config is used.");
}
// Get the settings
IfcSettings settings = this.IFCSettings.DefaultIfNull();
// Get the discipline coming from the request/PullConfig
Discipline?requestDiscipline = request.Discipline(config.Discipline);
if (requestDiscipline == null)
{
BH.Engine.Reflection.Compute.RecordError("Conflicting disciplines have been detected.");
return(new List <IBHoMObject>());
}
Discipline discipline = requestDiscipline.Value;
// If instructed to pull mesh representations, the below variable will be assigned
List <XbimShapeInstance> shapeInstances = null;
if (config.PullMeshes)
{
if (m_3DContext == null)
{
m_3DContext = new Xbim3DModelContext(m_LoadedModel);
m_3DContext.CreateContext();
}
shapeInstances = m_3DContext.ShapeInstances().ToList();
}
List <IBHoMObject> result = new List <IBHoMObject>();
foreach (var entity in m_LoadedModel.IIfcEntities(request))
{
IIfcProduct element = entity as IIfcProduct;
if (element == null)
{
continue;
}
IEnumerable <IBHoMObject> converted = element.IFromIfc(discipline, settings);
// Pull mesh representations if requested in PullConfig
if (shapeInstances != null)
{
List <Mesh> meshes = shapeInstances.Where(x => x.IfcProductLabel == element.EntityLabel).SelectMany(x => x.Meshes(m_3DContext)).ToList();
IfcRepresentation representation = new IfcRepresentation(meshes);
foreach (IBHoMObject obj in converted)
{
obj.Fragments.Add(representation);
}
}
result.AddRange(converted);
}
return(result);
}
public IfcRepresentationMap(IfcAxis2Placement __MappingOrigin, IfcRepresentation __MappedRepresentation)
{
this._MappingOrigin = __MappingOrigin;
this._MappedRepresentation = __MappedRepresentation;
}