Alexis McCarn

Thank you Thomas. This helps a lot! -Alexis.

I think the problem is I set EXCLUDE_SOLIDS_AND_SURFACES to true in IfcConvert.cpp, because I'm just trying to get centerline information. When I set it to false, I do not get the error. Thank you, Alexis.

Yes, but I am unsure how to fix that issue.

Hello, I have a file I am trying to convert to an IFC file, then to an OBJ file. In Revit 2020, I have created a simple pipe segment to hopefully be converted. I would like to use IFC 4 Reference view, and have updated the export options in Revit to include piping. However, I keep getting the error: "No geometrical entities found," in which, there is no OBJ file created. Can I please have some help on this? Thank you, Alexis.

Hi Thomas, Thank you for your response. I have double checked the data with Revit, however, the center lines export fine when the column type is changed. Earlier, we were exporting the file with all the columns being a W10x30. When one of the columns was changed to a W12x40, the corresponding center line (of the W12x40) was shown. I'm confused as to why it works with a W12x40, but not a W10x30? If both are labeled as columns and exported as such, but in the IFC file both are represented as solid...

Hi all, I have an update on the issue. The structure we were analyzing was a simple structure having the same columns (W10x30). When I changed one of the columns to a W12x40, there was no issue. I'm not sure what could be causing this problem. Any ideas? Thanks, Alexis.

Hi, We have converted a structure from Revit 2019 to an IFC file. We are converting this ifc file into an OBJ file using the IFC OpenShell source code. We have obtained centerlines for an obj file by adjusting the settings in IFCConvert.cpp (INCLUDE_CURVES = true and EXCLUDE_SOLIDS_AND_SURFACES=false). This produces groups and corresponding vertices (2) for the start and end of each centerline in the OBJ file. However, the column information is not included and what is produced are only horizontal...

Hi, I am following up on the previous issue: We have converted a structure from Revit 2019 to an IFC file. We are converting this ifc file into an OBJ file using the IFC OpenShell source code. We have obtained centerlines for an obj file using the settings suggested above. This produces groups and corresponding vertices (2) for the start and end of each centerline in the OBJ file. However, the column information is not included and what is produced are only horizontal members. Could you please point...