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en:math_guide_orientation [2021/04/30 08:17]
JSCAD Editor 		en:math_guide_orientation [2021/05/01 01:46] (current)
JSCAD Editor
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 ===== Orientation ===== ===== Orientation =====
  
-All the internal calculations of JSCAD (and other included libraries) are based on the 'right-hand' rule. (For more information see discussions [[here]] and [[here]].)+All the internal calculations of JSCAD (and other included libraries) are based on the 'right-hand' rule. (For more information see discussions [[https://en.wikipedia.org/wiki/Right-hand_rule|here]] and [[https://www.pasco.com/products/guides/right-hand-rule|here]].)
  
 +{{ :wiki:right_hand_rule_cross_product.svg?nolink&300 | Right-hand Rule}}
  
 This results in the following orientation of the three-dimensional coordinate system, i.e. orientation of X, Y, and Z axis. This results in the following orientation of the three-dimensional coordinate system, i.e. orientation of X, Y, and Z axis.
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   * Positive Y points to the back   * Positive Y points to the back
   * Positive Z points to the top   * Positive Z points to the top
 +
 +{{ :wiki:coordinate_system.svg?nolink&300 | Coordinate System}}
  
 This also means that positive rotations are This also means that positive rotations are
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   * From positive Z to positive X about the Y axis   * From positive Z to positive X about the Y axis
  
-It may take some time to understand well, and can be visualized by rotating designs by both positive and negative angles.+It may take some time to understand well, and can be visualized by rotating shapes by both positive and negative angles.