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IFC EXPORT PROBLEM coordinate system changes

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Anonymous
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IFC EXPORT PROBLEM coordinate system changes

As a surveyor I need to export a model from revit into an IFC file. I ve set the project to the exact world coordinates using the survey point. including the datum to mark as Sea level. However as I export to IFC using the survey point as project origin, the IFC viewer shows the X and Y coordinates are flipped and one has gotten a negative value. The Z value is correct on the other handsurvey point export.jpg

If i export it using shared coordinates as project origin the X and Y coordinates are correct. But the Z value is that referenced to level 1 and not the survey points datum. so the Z value is wrong. How do I fix this?shared coordinates exportshared coordinates export

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Anonymous
als Antwort auf: Anonymous

@Anonymous r.jarych

 

can you please send your Revit model survey point and project base point captured image 

 

Thanks 

RJ

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Anonymous
als Antwort auf: Anonymous

of course. Here they are in an elevation viewproject base pointproject base pointsurvey pointsurvey point

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