How to rotate 3D vector by 3d angle?
I have an array with XYZ values from accelerometer and I have problem, that the axies are chanhing relative to world coordinates. I also have gyroscope, that thru some calculations I am making returns an angle in radians. The qestion is how to align accelerometer axies to world coordinates. O have googled, but I could only find vector mathematics or matricies, that I cannot recreate in android app, that I am making.
Sorry for my English.
java
android sensor-fusion asked Nov 23 '18 at 13:02
Daniel MartinekDaniel Martinek
1
add a comment |
I have an array with XYZ values from accelerometer and I have problem, that the axies are chanhing relative to world coordinates. I also have gyroscope, that thru some calculations I am making returns an angle in radians. The qestion is how to align accelerometer axies to world coordinates. O have googled, but I could only find vector mathematics or matricies, that I cannot recreate in android app, that I am making.
Sorry for my English.
java
android sensor-fusion asked Nov 23 '18 at 13:02
Daniel MartinekDaniel Martinek
1
A matrix calculation is just a series of scalar operations, so you could use the matrix solution you found on Google by converting it into a series of scalar formulae. Alternatively, use trigonometry and work out your own solution from first principles. If you don't want to program your own solution you could instead use an open source linear algebra library. Also, there is a problem with using angles to rotate objects called Gimbal Lock - see en.wikipedia.org/wiki/Gimbal_lock#In_applied_mathematics
– user234461
Nov 23 '18 at 13:15
1
Thanx. Did not thought about it (We did not have matricses in school yet).
– Daniel Martinek
Nov 23 '18 at 13:32
add a comment |
I have an array with XYZ values from accelerometer and I have problem, that the axies are chanhing relative to world coordinates. I also have gyroscope, that thru some calculations I am making returns an angle in radians. The qestion is how to align accelerometer axies to world coordinates. O have googled, but I could only find vector mathematics or matricies, that I cannot recreate in android app, that I am making.
Sorry for my English.
java
android sensor-fusion asked Nov 23 '18 at 13:02
Daniel MartinekDaniel Martinek
1
I have an array with XYZ values from accelerometer and I have problem, that the axies are chanhing relative to world coordinates. I also have gyroscope, that thru some calculations I am making returns an angle in radians. The qestion is how to align accelerometer axies to world coordinates. O have googled, but I could only find vector mathematics or matricies, that I cannot recreate in android app, that I am making.
Sorry for my English.
java
android sensor-fusion java
android sensor-fusion asked Nov 23 '18 at 13:02
Daniel MartinekDaniel Martinek
1
asked Nov 23 '18 at 13:02
Daniel MartinekDaniel Martinek
1
asked Nov 23 '18 at 13:02
Daniel MartinekDaniel Martinek
1
asked Nov 23 '18 at 13:02
Daniel MartinekDaniel Martinek
1
asked Nov 23 '18 at 13:02
Daniel MartinekDaniel Martinek
1
1
A matrix calculation is just a series of scalar operations, so you could use the matrix solution you found on Google by converting it into a series of scalar formulae. Alternatively, use trigonometry and work out your own solution from first principles. If you don't want to program your own solution you could instead use an open source linear algebra library. Also, there is a problem with using angles to rotate objects called Gimbal Lock - see en.wikipedia.org/wiki/Gimbal_lock#In_applied_mathematics
– user234461
Nov 23 '18 at 13:15
1
Thanx. Did not thought about it (We did not have matricses in school yet).
– Daniel Martinek
Nov 23 '18 at 13:32
add a comment |
A matrix calculation is just a series of scalar operations, so you could use the matrix solution you found on Google by converting it into a series of scalar formulae. Alternatively, use trigonometry and work out your own solution from first principles. If you don't want to program your own solution you could instead use an open source linear algebra library. Also, there is a problem with using angles to rotate objects called Gimbal Lock - see en.wikipedia.org/wiki/Gimbal_lock#In_applied_mathematics
– user234461
Nov 23 '18 at 13:15
1
Thanx. Did not thought about it (We did not have matricses in school yet).
– Daniel Martinek
Nov 23 '18 at 13:32
A matrix calculation is just a series of scalar operations, so you could use the matrix solution you found on Google by converting it into a series of scalar formulae. Alternatively, use trigonometry and work out your own solution from first principles. If you don't want to program your own solution you could instead use an open source linear algebra library. Also, there is a problem with using angles to rotate objects called Gimbal Lock - see en.wikipedia.org/wiki/Gimbal_lock#In_applied_mathematics
– user234461
Nov 23 '18 at 13:15
A matrix calculation is just a series of scalar operations, so you could use the matrix solution you found on Google by converting it into a series of scalar formulae. Alternatively, use trigonometry and work out your own solution from first principles. If you don't want to program your own solution you could instead use an open source linear algebra library. Also, there is a problem with using angles to rotate objects called Gimbal Lock - see en.wikipedia.org/wiki/Gimbal_lock#In_applied_mathematics
– user234461
Nov 23 '18 at 13:15
1
1
Thanx. Did not thought about it (We did not have matricses in school yet).
– Daniel Martinek
Nov 23 '18 at 13:32
Thanx. Did not thought about it (We did not have matricses in school yet).
– Daniel Martinek
Nov 23 '18 at 13:32
add a comment |
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A matrix calculation is just a series of scalar operations, so you could use the matrix solution you found on Google by converting it into a series of scalar formulae. Alternatively, use trigonometry and work out your own solution from first principles. If you don't want to program your own solution you could instead use an open source linear algebra library. Also, there is a problem with using angles to rotate objects called Gimbal Lock - see en.wikipedia.org/wiki/Gimbal_lock#In_applied_mathematics
– user234461
Nov 23 '18 at 13:15
1
Thanx. Did not thought about it (We did not have matricses in school yet).
– Daniel Martinek
Nov 23 '18 at 13:32