/// <summary>
        /// Processes IfcSpatialStructureElement handle.
        /// </summary>
        /// <param name="ifcSpatialStructureElement">The IfcSpatialStructureElement handle.</param>
        /// <returns>The IFCSpatialStructureElement object.</returns>
        public static IFCSpatialStructureElement ProcessIFCSpatialStructureElement(IFCAnyHandle ifcSpatialStructureElement)
        {
            if (IFCAnyHandleUtil.IsNullOrHasNoValue(ifcSpatialStructureElement))
            {
                Importer.TheLog.LogNullError(IFCEntityType.IfcSpatialStructureElement);
                return(null);
            }

            IFCEntity spatialStructureElement;

            if (IFCImportFile.TheFile.EntityMap.TryGetValue(ifcSpatialStructureElement.StepId, out spatialStructureElement))
            {
                return(spatialStructureElement as IFCSpatialStructureElement);
            }

            if (IFCAnyHandleUtil.IsSubTypeOf(ifcSpatialStructureElement, IFCEntityType.IfcSpace))
            {
                return(IFCSpace.ProcessIFCSpace(ifcSpatialStructureElement));
            }
            else if (IFCAnyHandleUtil.IsSubTypeOf(ifcSpatialStructureElement, IFCEntityType.IfcBuildingStorey))
            {
                return(IFCBuildingStorey.ProcessIFCBuildingStorey(ifcSpatialStructureElement));
            }
            else if (IFCAnyHandleUtil.IsSubTypeOf(ifcSpatialStructureElement, IFCEntityType.IfcSite))
            {
                return(IFCSite.ProcessIFCSite(ifcSpatialStructureElement));
            }
            else if (IFCAnyHandleUtil.IsSubTypeOf(ifcSpatialStructureElement, IFCEntityType.IfcBuilding))
            {
                return(IFCBuilding.ProcessIFCBuilding(ifcSpatialStructureElement));
            }

            return(new IFCSpatialStructureElement(ifcSpatialStructureElement));
        }
Esempio n. 2
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 /// <summary>
 /// Removes the relative transform for a site.
 /// </summary>
 public static void RemoveRelativeTransformForSite(IFCSite site)
 {
     if (site == null || site.ObjectLocation == null || site.ObjectLocation.RelativeTransform == null)
     {
         return;
     }
     site.ObjectLocation.RelativeTransform = Transform.Identity;
 }
Esempio n. 3
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        /// <summary>
        /// Processes object placement of the product.
        /// </summary>
        /// <param name="ifcProduct">The IfcProduct handle.</param>
        protected void ProcessObjectPlacement(IFCAnyHandle ifcProduct)
        {
            IFCAnyHandle objectPlacement = IFCAnyHandleUtil.GetInstanceAttribute(ifcProduct, "ObjectPlacement");

            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(objectPlacement))
            {
                ObjectLocation = IFCLocation.ProcessIFCObjectPlacement(objectPlacement);
                AddLocationToPlacementBoundingBox();
                IFCSite.CheckObjectPlacementIsRelativeToSite(this, ifcProduct.StepId, objectPlacement);
            }
        }
Esempio n. 4
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 public void Dispose()
 {
     ActiveSite = null;
 }
Esempio n. 5
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 public ActiveSiteSetter(IFCSite ifcSite)
 {
     ActiveSite = ifcSite;
 }
Esempio n. 6
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 /// <summary>
 /// Removes the relative transform for a site.
 /// </summary>
 public static void RemoveRelativeTransformForSite(IFCSite site)
 {
     if (site == null || site.ObjectLocation == null || site.ObjectLocation.RelativeTransform == null)
         return;
     site.ObjectLocation.RelativeTransform = Transform.Identity;
 }
Esempio n. 7
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        /// <summary>
        /// Creates or populates Revit elements based on the information contained in this class.
        /// </summary>
        /// <param name="doc">The document.</param>
        protected override void Create(Document doc)
        {
            if (UnitsInContext != null)
            {
                Units documentUnits = new Units(doc.DisplayUnitSystem == DisplayUnit.METRIC ?
                                                UnitSystem.Metric : UnitSystem.Imperial);

                foreach (IFCUnit unit in UnitsInContext)
                {
                    if (!IFCUnit.IsNullOrInvalid(unit))
                    {
                        try
                        {
                            FormatOptions formatOptions = new FormatOptions(unit.Unit);
                            formatOptions.SetSymbolTypeId(unit.Symbol);
                            documentUnits.SetFormatOptions(unit.Spec, formatOptions);
                        }
                        catch (Exception ex)
                        {
                            Importer.TheLog.LogError(unit.Id, ex.Message, false);
                        }
                    }
                }
                doc.SetUnits(documentUnits);
            }

            // We will randomize unused grid names so that they don't conflict with new entries with the same name.
            // This is only for relink.
            foreach (ElementId gridId in Importer.TheCache.GridNameToElementMap.Values)
            {
                Grid grid = doc.GetElement(gridId) as Grid;
                if (grid == null)
                {
                    continue;
                }

                // Note that new Guid() is useless - it creates a GUID of all 0s.
                grid.Name = Guid.NewGuid().ToString();
            }

            // Pre-process sites to orient them properly.
            IList <IFCSite> sites = new List <IFCSite>();

            foreach (IFCObjectDefinition objectDefinition in ComposedObjectDefinitions)
            {
                if (objectDefinition is IFCSite)
                {
                    sites.Add(objectDefinition as IFCSite);
                }
            }
            IFCSite.ProcessSiteLocations(doc, sites);

            base.Create(doc);

            // IfcProject usually won't create an element, as it contains no geometry.
            // If it doesn't, use the ProjectInfo element in the document to store its parameters.
            if (CreatedElementId == ElementId.InvalidElementId)
            {
                CreatedElementId = Importer.TheCache.ProjectInformationId;
            }
        }
Esempio n. 8
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        public static void ProcessSiteLocations(Document doc, IList <IFCSite> sites)
        {
            BaseSiteOffset = null;

            // Ideally, in most cases, this routine will do nothing.  In particular, that is
            // true if the project has an arbitrary number of sites that are "close" to the
            // origin.

            if (sites == null || sites.Count == 0)
            {
                return;
            }

            ProjectLocation projectLocation = doc.ActiveProjectLocation;

            if (projectLocation == null)
            {
                return;
            }

            // If there is one site, and it is far from the origin, then we will move the site
            // close to the origin, give a warning, and set the shared coordinates in the file.

            // If there is more than one site, and at least one site is far from the origin:
            // 1. If all of the sites have an origin close to one another, then we will move the
            // site close to the origin based on the first site encountered, give a warning,
            // and set the shared coordinates in the file and the rest of the sites relative to
            // the first site.
            // 2. If the sites do not have origins close to one another, then we will do nothing
            // and give an error that the site is far from the origin and may have poor
            // performance and appearance.
            int  numSites        = sites.Count;
            bool hasSiteLocation = false;

            // First pass: deal with latitude and longitude.
            for (int ii = 0; ii < numSites; ii++)
            {
                IFCSite currSite = sites[ii];

                // Set the project latitude and longitude if the information is available, and
                // it hasn't already been set.
                SiteLocation siteLocation = projectLocation.GetSiteLocation();
                if (siteLocation != null)
                {
                    // Some Tekla files may have invalid information here that would otherwise cause the
                    // link to fail.  Recover with a warning.
                    try
                    {
                        bool foundSiteLocation = (currSite.RefLatitude.HasValue && currSite.RefLongitude.HasValue);
                        if (foundSiteLocation)
                        {
                            if (hasSiteLocation)
                            {
                                Importer.TheLog.LogWarning(currSite.Id, "Duplicate latitude or longitude value supplied for IFCSITE, ignoring.", false);
                            }
                            else
                            {
                                hasSiteLocation        = true;
                                siteLocation.Latitude  = currSite.RefLatitude.Value * Math.PI / 180.0;
                                siteLocation.Longitude = currSite.RefLongitude.Value * Math.PI / 180.0;
                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        Importer.TheLog.LogWarning(currSite.Id, "Invalid latitude or longitude value supplied for IFCSITE: " + ex.Message, false);
                    }
                }
            }

            int?distantOriginFirstSiteId = null;

            for (int ii = 0; ii < numSites; ii++)
            {
                IFCSite currSite = sites[ii];

                // This is effectively no offset.  This is good, as long as we don't have
                // a distance origin.  In that case, we will warn and not do any special offsets.
                if (currSite.ObjectLocation?.RelativeTransform == null)
                {
                    if (distantOriginFirstSiteId.HasValue)
                    {
                        BaseSiteOffset = null;
                        break;
                    }
                    continue;
                }

                XYZ projectLoc = currSite.ObjectLocation.RelativeTransform.Origin;
                XYZ offset     = new XYZ(projectLoc.X, projectLoc.Y, projectLoc.Z);
                if (XYZ.IsWithinLengthLimits(offset))
                {
                    if (distantOriginFirstSiteId.HasValue)
                    {
                        BaseSiteOffset = null;
                        break;
                    }
                    continue;
                }

                if (BaseSiteOffset == null)
                {
                    distantOriginFirstSiteId = currSite.Id;

                    // If the index is greater than 0, then we have found some sites close to the
                    // origin.  That means we have incompatible origins which is an issue.
                    if (ii == 0)
                    {
                        BaseSiteOffset = offset;
                    }
                    else
                    {
                        break;
                    }
                }
            }

            if (BaseSiteOffset != null)
            {
                // Modify the RelativeTransforms for each of these sites.
                // Note that the RelativeTransform must be defined to have gotten here.
                for (int ii = 0; ii < numSites; ii++)
                {
                    XYZ currentOffset =
                        new XYZ(-BaseSiteOffset.X, -BaseSiteOffset.Y, -BaseSiteOffset.Z /*+ sites[ii].RefElevation*/);
                    Transform newSiteTransform = sites[ii].ObjectLocation.TotalTransform;
                    newSiteTransform.Origin += currentOffset;
                    sites[ii].ObjectLocation = IFCLocation.CreateDummyLocation(newSiteTransform);
                }

                // Register the offset by moving the Shared Coordinates away
                ProjectPosition pPos = projectLocation.GetProjectPosition(XYZ.Zero);
                pPos.EastWest   += BaseSiteOffset.X;
                pPos.NorthSouth += BaseSiteOffset.Y;
                pPos.Elevation  += BaseSiteOffset.Z;
                projectLocation.SetProjectPosition(XYZ.Zero, pPos);
            }
            else
            {
                // In this case, we just have to make sure that the RefElevation is included in
                // the site transform.
                for (int ii = 0; ii < numSites; ii++)
                {
                    if (MathUtil.IsAlmostZero(sites[ii].RefElevation))
                    {
                        continue;
                    }

                    if (sites[ii].ObjectLocation == null || sites[ii].ObjectLocation.RelativeTransform == null)
                    {
                        XYZ currentOffset = XYZ.Zero;
                        sites[ii].ObjectLocation = IFCLocation.CreateDummyLocation(Transform.CreateTranslation(currentOffset));
                    }
                    else
                    {
                        double currRefElevation = sites[ii].RefElevation;
                        double currZOffset      = sites[ii].ObjectLocation.RelativeTransform.Origin.Z;
                        if (!MathUtil.IsAlmostEqual(currZOffset, currRefElevation))
                        {
                            Transform newSiteTransform = sites[ii].ObjectLocation.TotalTransform;
                            sites[ii].ObjectLocation = IFCLocation.CreateDummyLocation(newSiteTransform);
                        }
                    }
                }
            }

            if (BaseSiteOffset == null && distantOriginFirstSiteId.HasValue)
            {
                Importer.TheLog.LogError(distantOriginFirstSiteId.Value, "There are multiple sites in the file that are located far away from each other.  This may result in poor visualization of the data.", false);
            }
        }