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Offline Jean Giraud  
#1 Posted : 30 May 2017 16:22:20(UTC)
Jean Giraud

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Posts: 6,866
Canada

Was thanked: 981 time(s) in 809 post(s)
Observe the non-commutative order M*rot [2D & 3D]
I don't like the rotation of the sphere ... welcome to doctor it !
Don't miss Paul W. rotate RGB image [far superior to Mathcad IMPROC !].
This compendium includes the 3 most used rotation system:

1. Euler [Roll, Pitch, Yaw]
2. Parametric [x,y,z,"t"]
3. Quaternion

Jean

Rotate KleinButtle.sm (18kb) downloaded 24 time(s).
Rotate Horn.sm (16kb) downloaded 24 time(s).
Rotate Meduse.sm (16kb) downloaded 25 time(s).
Rotate Parametric [t, xyz].sm (13kb) downloaded 27 time(s).
Rotate Breather [Quaternion].sm (269kb) downloaded 25 time(s).
Rotate RGB.png
Breather.gif
Rotate Image RGB.sm (349kb) downloaded 21 time(s).
Rotate Breather Water Mill.sm (999kb) downloaded 21 time(s).
Rotate Breather [4 Orientations].sm (1,001kb) downloaded 22 time(s).
Rotate Sphere.sm (1,720kb) downloaded 21 time(s).

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Offline Ber7  
#2 Posted : 30 May 2017 20:00:58(UTC)
Ber7


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Man
Israel
Location: Beer-Sheva

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For expressiveness, I sometimes change the foreshortening


Rotate Breather Water MillMod.sm (1,003kb) downloaded 17 time(s).
Offline Jean Giraud  
#3 Posted : 30 May 2017 21:30:07(UTC)
Jean Giraud

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... earth rotate, doctored.

Rotate Sphere Poles.sm (15kb) downloaded 19 time(s).

Earth.gif
Offline Jean Giraud  
#4 Posted : 30 May 2017 21:42:09(UTC)
Jean Giraud

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Hello Ber7 !

I can see what you are trying to do ... let me find "Wind Mill" equations,
if they exist ?

Cheers, Jean
Offline Jean Giraud  
#5 Posted : 31 May 2017 00:55:07(UTC)
Jean Giraud

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Posts: 6,866
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Was thanked: 981 time(s) in 809 post(s)
... here is the Strumpf wind mill

Rotate Trifolium.sm (20kb) downloaded 17 time(s).

Wind Mill.gif
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