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Mihail Rizov

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  1. Mihail Rizov

    Importing IFC File Fails

    Hi @milezee If you can log bugs in JIRA - this is the preferred way. Otherwise, sharing files platform. Regards, Mihail Rizov
  2. Mihail Rizov

    Importing IFC File Fails

    Hi @milezee, How could I get at least one of the files, in order to see what's going on? Regards, Mihail Rizov
  3. Mihail Rizov

    IFC, GUID and timestamp in Vectorworks

    Hi Zeno, Of course, Vw supports unique IDs for each object (GUID) and even at the level of components (like for the walls). The other concept is not exactly just a timestamp. It is IFCOWNERHISTORY - it contains not only the timestamp for creation and modification of the object, but also last user and application, type of modification, state and access of the object. It is possible in IFC to attach this to every object in the model, but I've never seen an application to support it at the level of objects - it is supported at the level of the project, so there is just one instance of the owner history and it is used from all of the objects in the model. There was a proposal to all IFC implementers (members of buildingSMART ISG) to make this support, but the main reason to not make it is, that this will make files a lot bigger and will slow down all the applications, along with the implementation costs. Regards, Mihail Rizov
  4. Mihail Rizov

    ifc data mapping between custom psets

    Hi gester, Component functions were made to map component data in one particular workflow, which requires each component to be exported as a separate instance (ExportOptions->Export Separate Instances). So, during the export it returns the component data, based on the currently exported layer. Otherwise, it uses the core component data in the calculations. First, you have to remove the custom pset from Manage Custom Psets (IFC Data dialog) and then you have to be sure that a custom pset is removed from all data mappings. (if even one object uses this custom pset in its IFC Data mapping, then the custom pset will be recreated again) Regards, Mihail Rizov
  5. Mihail Rizov

    ifc data mapping between custom psets

    Hi gester, AFAIU, we need to implement more functions in Data Mapping in order to fulfill your requirements - like, number/area of openings, getting material/material layers. For wall height, please, try object bounds functions. For windows, please, try object parameters RoughOpeningArea/OverallArea/ClearArea (area) and WindowMaterial/WindowFinish (you should provide materials in Windows settings -> Data -> fields 16/17). (record fields are in alphabetical order, because of user requirements) Regards, Mihail Rizov
  6. Mihail Rizov

    IFC Export Problems

    Hi fhunt, There could be many reasons to not get all objects exported. Please, check first that your extrudes/cubes all have fill, then check your IFC Data - AFAIU, for this kind of work you should use IfcBuildingElementProxy for most of your landmark objects. Also, check that the classes are visible and "Export Visible Only" option is OFF. These objects usually are part of the Site (not building or building story), so map their layer to "Site", not to a story and check "Export Site Model" option. Regards, Mihail Rizov
  7. Mihail Rizov

    IFC Interoperability With Revit

    Hi Acip79, We'll need the file (and Revit version) to be able to help you. Regards, Mihail Rizov
  8. Mihail Rizov

    Curtain Walling and IFC Problem

    Thank you for pointing us to this problem! It is caused in the process of curtain wall's decomposition to parts - plates (IfcPlate) and frames (IfcMember) - currently, only geometry attributes are read. We are working on this issue. Thanks and Regards, Mihail Rizov
  9. Mihail Rizov


    Hi Clem, I don't know what kind a "convention" is this, but this is the standard that is used in all software packages. Sorry, there is no "IFC CEILING" ;) (This site is the place where all IFC versions - 2x2, 2x3, IFC4, alpha, beta, draft, candidate release, addendum, TC - are published) Regards, Mihail Rizov
  10. Mihail Rizov


    Hi Clem, You should use IfcBuildingStorey, IfcRailing and IfcCovering (with field PredefinedType set to CEILING). For more details, please see: http://www.buildingsmart-tech.org/ifc/IFC2x3/TC1/html/ifcproductextension/lexical/ifcbuildingstorey.htm http://www.buildingsmart-tech.org/ifc/IFC2x3/TC1/html/ifcsharedbldgelements/lexical/ifcrailing.htm http://www.buildingsmart-tech.org/ifc/IFC2x3/TC1/html/ifcproductextension/lexical/ifccovering.htm Regards, Mihail Rizov
  11. Mihail Rizov

    Wall end cap to IFC

    Hi Ida, The IFC designation is primarily defined from the purpose of the objects and that's why in IFC this should be a covering. Regards, Mihail Rizov
  12. Mihail Rizov

    Ceiling grid to IFC

    Hi Ida, AFAIU, you want 2 things: - to be able to control the thickness - enhancing Ceiling Grid tool, as currently the thickness is always 1"; - to be able to export in IFC this as separate coverings - one covering is one tile, like 1200 x 600; If this is what you want - you should enter 2 enhance requests. The second one depends more on me and it is not that hard to achieve. Regards, Mihail Rizov
  13. Mihail Rizov

    Wall end cap to IFC

    Hi Ida, By default, wall end caps are exported as coverings, because this is their primary role. If you want to change that - please, use IFC Data Mapping, remove IfcCovering and add the object that you want to be exported. Regards, Mihail Rizov
  14. Mihail Rizov

    Finding IFC objects by "tag"

    @David Poiron You can use worksheets to list all tags and then use the rows to get to/select the desired objects. Regards, Mihail Rizov
  15. Mihail Rizov

    IFC export of a 16 story building takes over 45mins

    Hi ptoner, If you want to speedup your IFC Export - please, switch to OpenGL and zoom in close to the building, so that nothing from the building is visible. Regards, Mihail RIzov


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