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- Thread starter johnfriend
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DECangle=atan((z2-z1) / sqrt((x2-x1)^2 + (y2-y1)^2))

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cylinder model declinde with all three (cartesian)axis. it's declined with theta1 axis with respect to X, theta2 axis with respect to Y and theta3 axis with respect to Z.how to calculate that?

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cylinder model Inclined with all three (x,y,z-cartesian)axis. it's Inclined with theta1 axis with respect to X, theta2 axis with respect to Y and theta3 axis with respect to Z.how to calculate theta1,theta2,theta3?

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Which axis is the cylinder pointing?

- #6

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If you have a vector in the direction of the cylinder axis, a unit vector in that direction has the direction cosines for its components. They are the cosines of your angles.

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