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About the direction of xyz during mesh creation

Hi，

When using meshmaker to make xyz type meshes, I had some confusion regarding the designation of these directions:
(1) Regarding the DEG setting, is the angle negative clockwise or counterclockwise?
(2) In conjunction with the setting of the gravity acceleration vector in PARAM.2, is the direction expressed by positive or negative values related to the setting of DEG?
I hope you can help me to answer these questions or maybe you can help me understand the question of the direction of XYZ when creating the mesh!

Thank you all very much!

2 replies

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    • kenny
    • 1 yr ago
    • Reported - view

    (1) If gravity is positive, negative angle means grid layer going up (counterclockwise).

    (2) yes.

      • denim_scarf
      • 1 yr ago
      • Reported - view

       At first I thought that the positive direction of the xyz axis was only related to the GF setting in PARAM.2, that is, first of all the direction of the gravitational acceleration is facing downward, then the GF setting is negative, which means that the z-axis or the y-axis is facing upward in the positive direction, but it seems that it is not the case now, thank you very much for your answer!

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