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When using AIS_AnimationObject, linear interpolation is performed from one gp_Trsf transformation to another. But when an object rotates around a specific axis, the object moves not along a linear trajectory, but along a circle. Therefore, a separate class AIS_AnimationAxisRotation was created that allows to animate rotation around a specific axis. Test case tests/v3d/bugs/bug32570 was added.
29 lines
822 B
Plaintext
29 lines
822 B
Plaintext
puts "============"
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puts "0032570: Visualization, AIS_AnimationObject - define rotation around axis"
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puts "============"
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puts ""
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pload MODELING VISUALIZATION
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box b1 2 100 100 -preview
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box b2 2 100 100 -preview
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vinit View1
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vdisplay b1 -dispMode 0
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vdisplay b2 -dispMode 1
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vanimation anim -object b2 -axis 2 100 0 0 0 1 -angle1 0 -angle2 90 -duration 2
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#stop at the middle of the animation (45 degrees)
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vanimation anim -play 1 0
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vanimation anim -stop
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vfit
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vdump ${imagedir}/${casename}.png
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set loc1 [vlocation b2]
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vlocation b2 -reset -rotate 2 100 0 0 0 1 45
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set loc2 [vlocation b2]
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if {$loc1 != $loc2} { puts "Error: the location at the middle of animation is different from the location after rotating by 45 degrees" }
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puts "Put the following command to start interactive animation:"
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puts " vanimation anim -play"
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