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Trigonometric Circle in ArchiCAD

Martin Jules
Mentor

I am trying to understand how the trigonometric circle works in ArchiCAD:

 

Mjules_1-1696875445295.png

Mjules_2-1696875667536.png

Where I should have had 0° in the quadrant, I have 45° in ArchiCAD, and where I should have had 45° in the quadrant, I have 0° in ArchiCAD. I would like to check if certain calculation methods used in ArchiCAD comply with those required in my jurisdiction. Winders for example:

 

Mjules_0-1696895515942.png

 

Mjules_3-1696876268820.png

 

Could someone help me with the polar coordinates in ArchiCAD? It seems they don't follow the trigonometric quadrant:

 

Mjules_4-1696876528997.png

 

Martin Luther Jules
AC 10-28 (Full)
Asus | 64 GB RAM | Windows 11
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