Note: Show in Google Maps… shows the exact location in google map and helps the user to verify the input.Ģ., Save as IFC using your preferred translator. Set the Sea Level as 104 meters (just an assumed value).Choose the Time Zone as (UTC +08:00) Kuala Lumpur, Singapore.ARCHICAD 21 INT version was used to do the settings Gateway East was used as the project location to simulate the real-world scenario, Lat and Long values were obtained from Google Map.ġ., Start settings from ARCHICAD. Note: We need to set both Lat/Long and UTM as they are used by ARCHICAD and Revit respectively as project locations. Note: Measured clockwise from positive Y axis. This can be the exact value coming from the surveyor and no issues of calculation accuracy. The steps will be further explained in the later part of this blog.ĭisplay the PBP, select it and enter the True North’s angle. Note: Measured anti-clockwise from positive X axis.Īs both ARCHICAD and Revit works differently the user need to get this input from a IFC file exported from Revit with correct settings and set it graphically in ARCHICAD. True North can be set via Options/Project Preferences/ Project Location…
Requires calculation or reference from surveyor’s CAD (DWG) file.ĭisplay the PBP, select it and enter the UTM values (Northing and Easting). UTM value will be exported as coordinates of the origin by placing a SP object. Revit uses Lat and Long for simulation purpose. It is approximate as there is no input option for exact value. Lat and Long can be set via Manage/ Project Location/ Location. Lat and Long can be entered via Options /Project Preferences/ Project Location… Note: ARCHICAD’s SP is not equal to Revit’s SP. User can enter any coordinate value (UTM value) from the real world coordinate system. These are flexible reference points that can be moved anytime during the project.
The origin is fixed, there is an option to set Lat and Long from Project Location dialog and an option to set the Northing and Easting by placing a Survey Point (SP) object.Ĭoordinate sytem uses survey point (SP) and project base point (PBP).
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To address that I tested the settings of both ARCHICAD and Revit and share the result via this blog.īefore going into how to do the settings we need to understand how both tools work and various coordinate systems available for us to use.Ĭoordinate system is similar to traditional CAD system which is required for CAD (DWG/DGN) exchange. I received some requests to handle Northing and Easting (UTM) as well. In my previous blogs the focus was only on Latitude(Lat) and Longitude(Long). Decided to re-visit coordinate settings for projects that requires IFC exchange between ARCHICAD and Revit in this blog.
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