In ARCHICAD, as in any coordinate system, all measurements are made in reference to an origin. The location of the origin is always interpreted as (0, 0). ARCHICAD defines three coordinate system origins: Project, Edit & USer Click the website below to get more info. Origins in ArchiCad
The User Origin is created manually by the user to act as a temporary aid to drafting and measurements. There are two ways to create a User Origin; either by holding down both the Alt + Shift keys (PC), Option + Shift keys (Mac) and move the cursor to the construction node where you want
In some situation you may want to align a material to certain point. In the example below, you will note that the tiles seem to be setting out from some random position In order to fix this, simply select the object ( In this case a wall) and got to Design>Align 3D Texture>Set Origin…
You can create a new User Origin by hitting the User Origin button in the Standard Tool bar, then click on the screen to place it. When you have finished using this new Origin, you can reset back to ArchiCAD’s Orign by double clicking on the Same button in the Standard Tool bar.
It can be easy for the Tracker to start displaying different input methods than what you are used to be it X & Y coordinates or non relative coordinates (referring back to project origin). You can easily toggle between X & Y and Polar coordinates in the right click menu when you are in the
If you are getting a line back to the Origin whenever placing an element, you may have turned ON the Absolute Coordinates. To turn ON Relative Coordinates, select the Down arrow next to the Tracker icon in the Tool bar and highlight Relative Coordinates in Tracker.