public void SetFederationEnvironment(XbimReferencedModel refModel)
{
var federationColours = new XbimColourMap(StandardColourMaps.Federation);
var key = refModel.DocumentInformation.DocumentOwner.RoleName();
_colour = federationColours[key];
}
public void SetFederationEnvironment(XbimReferencedModel refModel)
{
var federationColours = new XbimColourMap(StandardColourMaps.Federation);
var key = refModel.DocumentInformation.DocumentOwner.RoleName();
_colour = federationColours[key];
}
private void Initialise()
{
_colours = new XbimColourMap(StandardColourMaps.IfcProductTypeMap);
_lightTransparentEntities = new HashSet <int>();
_lightTransparentTypes = new HashSet <Type>();
_hiddenEntities = new HashSet <int>();
_hiddenTypes = new HashSet <Type>();
}
public static WpfMaterial GetWpfMaterialByType(IModel model, short typeid)
{
XbimColourMap _colourMap = new XbimColourMap();
var prodType = model.Metadata.ExpressType(typeid);
var v = _colourMap[prodType.Name];
var texture = XbimTexture.Create(v);
var material2 = new WpfMaterial();
material2.CreateMaterial(texture);
return(material2);
}
private void Initialise()
{
_colours = new XbimColourMap(StandardColourMaps.IfcProductTypeMap);
_lightTransparentEntities = new HashSet<int>();
_lightTransparentTypes = new HashSet<Type>();
_hiddenEntities = new HashSet<int>();
_hiddenTypes = new HashSet<Type>();
}
/// <summary>
/// Constructs a scene, using the specfified colourmap
/// </summary>
/// <param name="model"></param>
/// <param name="colourMap"></param>
public XbimScene(IModel model, XbimColourMap colourMap)
{
_layerColourMap = colourMap;
_model = model;
}
/// <summary>
/// This function builds a scene of all IfcProducts in the model, excluding the geometry of Openings
/// It will create a scene database, overwriting any of the same name
/// </summary>
/// <param name="model">Model containing the model entities</param>
/// <param name="sceneDbName">Name of scene DB file</param>
/// <param name="Logger">Logging engine for detailed feedback</param>
public void BuildGlobalScene(XbimModel model, string sceneDbName, Common.Logging.ILogger Logger = null)
{
if (File.Exists(sceneDbName))
File.Delete(sceneDbName);
//get a connection
using (var db = new XbimSqliteDB(sceneDbName))
{
try
{
short spaceId = IfcMetaData.IfcTypeId(typeof(IfcSpace));
XbimGeometryHandleCollection handles = new XbimGeometryHandleCollection(model.GetGeometryHandles()
.Exclude(IfcEntityNameEnum.IFCFEATUREELEMENT));
XbimRect3D modelBounds = XbimRect3D.Empty;
XbimColourMap cmap = new XbimColourMap();
int layerid = 1;
IfcProject project = model.IfcProject;
int projectId = 0;
if (project != null) projectId = Math.Abs(project.EntityLabel);
float mScalingReference = (float)model.ModelFactors.OneMetre;
if (Logger != null)
Logger.DebugFormat("XbimScene: Scaling reference {0}\r\n", mScalingReference);
XbimMatrix3D translate = XbimMatrix3D.Identity;
XbimMatrix3D scale = XbimMatrix3D.CreateScale(1 / mScalingReference);
XbimMatrix3D composed = translate * scale;
XbimGeometryData regionData = model.GetGeometryData(projectId, XbimGeometryType.Region).FirstOrDefault(); //get the region data should only be one
if (regionData != null)
{
// this results in centering the most populated area of the model
//
XbimRegionCollection regions = XbimRegionCollection.FromArray(regionData.ShapeData);
XbimRegion largest = regions.MostPopulated();
if (largest != null)
{
translate = XbimMatrix3D.CreateTranslation(
-largest.Centre.X,
-largest.Centre.Y,
-largest.Centre.Z
);
}
composed = translate * scale;
// store region information in Scene
if ((Options & GenerateSceneOption.IncludeRegions) == GenerateSceneOption.IncludeRegions)
{
if (Logger != null)
Logger.DebugFormat("XbimScene: Exporting regions.\r\n", mScalingReference);
foreach (var item in regions)
{
// the bounding box needs to be moved/scaled by the transform.
//
XbimRect3D transformed = item.ToXbimRect3D().Transform(composed);
db.AddMetaData(
"Region",
-1,
string.Format("Name:{0};Box:{1};", item.Name, transformed.ToString()), // verbose, but only a few items are expected in the model
item.Name
);
}
}
}
if ((Options & GenerateSceneOption.IncludeTransform) == GenerateSceneOption.IncludeTransform)
{
if (Logger != null)
Logger.DebugFormat("XbimScene: Exporting transform.\r\n", mScalingReference);
db.AddMetaData(
"Transform",
-1,
composed.ToArray(false),
"World"
);
db.Flush();
}
if (Logger != null)
Logger.DebugFormat("XbimScene: Exporting layers.\r\n", mScalingReference);
foreach (var layerContent in handles.GroupByBuildingElementTypes())
{
string elementTypeName = layerContent.Key;
XbimGeometryHandleCollection layerHandles = layerContent.Value;
IEnumerable<XbimGeometryData> geomColl = model.GetGeometryData(layerHandles);
XbimColour colour = cmap[elementTypeName];
XbimMeshLayer<XbimMeshGeometry3D, XbimRenderMaterial> layer = new XbimMeshLayer<XbimMeshGeometry3D, XbimRenderMaterial>(model, colour) { Name = elementTypeName };
//add all content initially into the hidden field
foreach (var geomData in geomColl)
{
geomData.TransformBy(composed);
if (geomData.IfcTypeId == spaceId)
layer.AddToHidden(geomData);
else
layer.AddToHidden(geomData, model);
}
if (modelBounds.IsEmpty)
modelBounds = layer.BoundingBoxHidden();
else
modelBounds.Union(layer.BoundingBoxHidden());
// add top level layers
layerid = RecursivelyPersistLayer(db, layer, layerid, -1);
layerid++;
}
// create scene row in Scenes tables
//
if (Logger != null)
Logger.DebugFormat("XbimScene: Exporting scene.\r\n", mScalingReference);
byte[] boundingBoxFull = modelBounds.ToFloatArray();
db.AddScene(1, "MainScene", boundingBoxFull);
//now add some meta data about spaces
if (
(Options & GenerateSceneOption.IncludeSpaces) == GenerateSceneOption.IncludeSpaces
||
(Options & GenerateSceneOption.IncludeSpacesBBox) == GenerateSceneOption.IncludeSpacesBBox
||
(Options & GenerateSceneOption.IncludeSpacesStoreyId) == GenerateSceneOption.IncludeSpacesStoreyId
)
{
if (Logger != null)
Logger.DebugFormat("XbimScene: Exporting spaces.\r\n", mScalingReference);
// string data loop
foreach (var space in model.Instances.OfType<IfcSpace>())
{
int iEntLabel = Math.Abs(space.EntityLabel);
if ((Options & GenerateSceneOption.IncludeSpaces) == GenerateSceneOption.IncludeSpaces)
{
db.AddMetaData(
space.GetType().Name,
iEntLabel,
space.Name ?? "Unnamed Space",
iEntLabel.ToString()
);
}
if ((Options & GenerateSceneOption.IncludeSpacesStoreyId) == GenerateSceneOption.IncludeSpacesStoreyId)
{
var parent = space.GetContainingStructuralElement();
if (parent == null)
{
// try with different application behaviours
foreach (var item in space.Decomposes)
{
parent = item.RelatingObject as IfcSpatialStructureElement;
if (parent != null)
{
break;
}
}
// parent = space.Decomposes.FirstOrDefault().RelatingObject;
// Decomposes RelatingObject
}
if (parent != null)
{
db.AddMetaData(
"SpaceToStorey",
iEntLabel,
string.Format("StoreyName={0};StoreyLabel={1};", parent.Name, parent.EntityLabel),
iEntLabel.ToString());
}
}
}
// binary data loop
foreach (var space in model.Instances.OfType<IfcSpace>())
{
int iEntLabel = Math.Abs(space.EntityLabel);
if ((Options & GenerateSceneOption.IncludeSpacesBBox) == GenerateSceneOption.IncludeSpacesBBox)
{
XbimGeometryData geomdata = model.GetGeometryData(iEntLabel, XbimGeometryType.BoundingBox).FirstOrDefault();
if (geomdata != null)
{
XbimRect3D r3d = XbimRect3D.FromArray(geomdata.ShapeData);
XbimRect3D transformed = r3d.Transform(composed);
db.AddMetaData(
"SpaceBBox",
iEntLabel,
// string.Format("Box:{1};", transformed.ToString()), // verbose, but only a few items are expected in the model
transformed.ToFloatArray(),
iEntLabel.ToString()
);
}
// db.AddMetaData(space.GetType().Name, space.Name ?? "Undefined Space", space.EntityLabel.ToString());
}
}
}
// Add storey information with elevation.
//
IfcBuilding bld = model.IfcProject.GetBuildings().FirstOrDefault();
if (bld != null && (Options & GenerateSceneOption.IncludeStoreys) == GenerateSceneOption.IncludeStoreys)
{
if (Logger != null)
Logger.DebugFormat("XbimScene: Exporting storeys.\r\n", mScalingReference);
double storeyHeight = 0;//all scenes are in metres
int defaultStoreyName = 0;
foreach (var storey in bld.GetBuildingStoreys(true))
{
string cleanName;
if(storey.Name.HasValue)
cleanName = storey.Name.Value.ToString().Replace(';', ' ');
else
cleanName = "Floor " + defaultStoreyName++;
var spacesCount = storey.SpatialStructuralElementChildren.OfType<IfcSpatialStructureElement>().ToList().Count(); // add for checking spaces
// Storey Elevation is optional (and has been found unreliable), therefore
// Storey elevation values (in building reference system) are taken from the
// objectplacement through the XbimGeometryType.TransformOnly geometry type
//
XbimGeometryData geomdata = model.GetGeometryData(storey.EntityLabel, XbimGeometryType.TransformOnly).FirstOrDefault();
if (geomdata != null)
{
storeyHeight = geomdata.Transform.OffsetZ;
// apply the transformation previously applied to the building
XbimPoint3D InTranslatedReference = composed.Transform(
new XbimPoint3D(0, 0, storeyHeight)
);
double InTranslatedReferenceZ = InTranslatedReference.Z; // then express it in meters.
// Logger.DebugFormat("StoreyName: {0}; Model Elevation: {1}; Scene Elevation: {2}", cleanName, storeyHeight, InTranslatedReferenceZ);
db.AddMetaData(
"Storey",
Math.Abs(storey.EntityLabel),
string.Format("Name:{0};Elevation:{1};SpaceCount:{2};", cleanName, InTranslatedReferenceZ, spacesCount), // storeyHeight),
cleanName);
}
}
}
}
finally
{
db.Flush();
GC.Collect();
}
}
}
/// <summary>
/// Extract Geometries from IFC file.
/// </summary>
/// <param name="model">IfcStore model.</param>
/// <param name="geometries">Geometries data.</param>
/// <param name="modelBoundingBox">Bounding box of the ifc model.</param>
public static void ExtractGeometries(IfcStore model, ref Dictionary <string, GeometryStore> geometries, ref XbimRect3D modelBoundingBox)
{
// context is used to extract geometry data
var context = new Xbim3DModelContext(model);
var meter = context.Model.ModelFactors.OneMeter;
context.CreateContext();
// start to extract geometry data
var instances = context.ShapeInstances();
XbimColourMap colorMap = new XbimColourMap();
foreach (var instance in instances) // each instance is a mesh
{
MeshStore meshStore = new MeshStore();
// get the color of this mesh
var ss = model.Instances[instance.StyleLabel] as IIfcSurfaceStyle;
XbimColour color = XbimColour.DefaultColour;
if (ss != null)
{
var texture = XbimTexture.Create(ss);
color = texture.ColourMap.FirstOrDefault();
}
else
{
var styleId = instance.StyleLabel > 0 ? instance.StyleLabel : instance.IfcTypeId;
var theType = model.Metadata.GetType((short)styleId);
color = colorMap[theType.Name];
}
meshStore.Color = string.Format("{0},{1},{2},{3}", (int)(color.Red * 255), (int)(color.Green * 255), (int)(color.Blue * 255), color.Alpha * 255);
var geometry = context.ShapeGeometry(instance);
var data = (geometry as IXbimShapeGeometryData).ShapeData;
// multiple geometry may belong to one product, like frame and glass belong to a ifcwindow
var product = model.Instances[instance.IfcProductLabel] as IIfcProduct;
if (!geometries.ContainsKey(product.GlobalId))
{
geometries.Add(product.GlobalId, new GeometryStore(product.GlobalId, product.Name));
}
var geometryStore = geometries[product.GlobalId];
// reading the real geometry data
using (var stream = new MemoryStream(data))
{
using (var reader = new BinaryReader(stream))
{
// triangle the instance and transform it to the correct position
var mesh = reader.ReadShapeTriangulation();
mesh = mesh.Transform(instance.Transformation);
// geometry data
var verticesData = new List <double>();
var normalsData = new List <double>();
var indexesData = new List <int>();
// bouding box for instance.
double minX = double.MaxValue, minY = double.MaxValue, minZ = double.MaxValue,
maxX = double.MinValue, maxY = double.MinValue, maxZ = double.MinValue;
var faces = mesh.Faces as List <XbimFaceTriangulation>;
foreach (var face in faces)
{
foreach (var indice in face.Indices)
{
indexesData.Add(indice);
}
foreach (var normal in face.Normals)
{
normalsData.Add(normal.Normal.X);
normalsData.Add(normal.Normal.Y);
normalsData.Add(normal.Normal.Z);
}
}
var vertices = mesh.Vertices as List <XbimPoint3D>;
foreach (var point in vertices)
{
double x = point.X / meter, y = point.Y / meter, z = point.Z / meter;
verticesData.Add(x); // convert to meter
verticesData.Add(y);
verticesData.Add(z);
// update bounding box
minX = Math.Min(minX, x);
minY = Math.Min(minY, y);
minZ = Math.Min(minZ, z);
maxX = Math.Max(maxX, x);
maxY = Math.Max(maxY, y);
maxZ = Math.Max(maxZ, z);
}
if (minX == double.MaxValue || minY == double.MaxValue || minZ == double.MaxValue ||
maxX == double.MinValue || maxY == double.MinValue || maxZ == double.MinValue)
{
throw new Exception("Invalid Boundingbox");
}
// do not trust instance.BoundingBox, it seems to be wrong.
XbimRect3D bbox = new XbimRect3D(minX, minY, minZ, maxX - minX, maxY - minY, maxZ - minZ);
// update boundingbox of current geometryStore
geometryStore.BoundBox = GeometryStore.Union(geometryStore.BoundBox, bbox);
// update boundingbox of ifc model
modelBoundingBox = GeometryStore.Union(modelBoundingBox, bbox);
meshStore.Vertexes = verticesData;
meshStore.Normals = normalsData;
meshStore.Indexes = indexesData;
}
}
geometryStore.Meshes.Add(meshStore);
}
}
