topic "Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates in Documentation

"Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates

Algimantas Kuprenas — Wed, 16 Jul 2025 13:13:46 GMT

Hi again 😞

Used several coordinate dimension object and they are showing wrong coordinates when "Project Origin" option is selected.

User origin is set on 0,0 point. Grids and Backgrounds Rotation and other options also set to 0 values. Made Open & Repair - not helped. Cleaned up file, have no objects or meshes flying far from my project in 2D and 3D views.

Survey Point and Archicad "Move" tool showing project Origin coordinates correctly buy in Coordinate Objects they are shown wrong. What could cause such thing ?

For me it feels that objects are looking not into Real Project Origin 0,0 coordinate but in some Custom Project Origin coordinate that was adjusted somehow 😕

Very strange behaviour that when I have these coordinate objects in my big template file with many projects it's showing coordinates correctly. Total plan dimension size 500meter width 2000meter height.

But when I clean up file and leaving only single project that file coordinates it starts showing wrong Project Origin coordinates in Object. Somehow Project Origin that object is looking for is moved towards project from 0,0 point. If I would be programmer and can look into object source code I might tell what is the deal but unluckily all Archicad object have close source code 🙂

Re: "Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates

Miha_M — Thu, 13 Oct 2022 10:51:29 GMT

How do your Location Setting look like? Do the Easting, Northing show the same data as your Survey Point?

Re: "Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates

Algimantas Kuprenas — Thu, 13 Oct 2022 11:29:16 GMT

Looks like this:

Re: "Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates

Algimantas Kuprenas — Thu, 13 Oct 2022 12:00:46 GMT

Looks like I found what causes this strange behaviour. Spend half of my day TESTING multiple cases with several files. If AC developers will be interested in this please contact me so I can show what actions causes this issue (BUG). Looks like I'am starting to be Software TESTER :), not an CAD Engineer 🙂

Re: "Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates

Miha_M — Thu, 13 Oct 2022 12:08:07 GMT

Using this Coordinate Dimensions element you should get the relative distance from the 0,0 Archicad coordinates, so this is strange. What happens if you use the Survey Coordinate Library Object? Does it give you correct values?

Re: "Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates

Algimantas Kuprenas — Thu, 13 Oct 2022 12:19:55 GMT

When I place Survey Point onto 0,0 and use Survey Coordinate option, coordinates are ok, but we cannot use this method because when architects adjusts Rotation of North it starts to show strange coordinates again because survey point gets rotated with whole Survey point coordinate system.

Re: "Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates

Miha_M — Thu, 13 Oct 2022 12:53:11 GMT

I would suggest you to use the survey point tool and the related workflow. This way you don't need to adjust anything during the project. And this way you'll always get the correct location reading (and model placing, if you share your model via IFC).

Re: "Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates

Algimantas Kuprenas — Thu, 13 Oct 2022 13:11:53 GMT

I would use Survey Point option but as I told, when you adjust North direction, survey points North direction also changes and it rotates whole coordinate system and gives wrong coordinates again. Survey Point solution work only when North direction is rotated 90 degrees in project information table. Because we do use North rotation we cannot use Survey Point coordinates 😞

Re: "Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates

BURAKEREL — Thu, 27 Oct 2022 18:47:58 GMT

Could you share your solution, We have same issue too.

Re: "Coordinate Dimension 25.gsm" showing wrong Project Origin coordinates

Algimantas Kuprenas — Fri, 28 Oct 2022 10:57:50 GMT

No solution yet, GS need to release update for this to be fixed.