That is one hard test!
On 2019-12-20 10:04 p.m., Matt Lind wrote:
> I used to give this to my students as the midterm exam for an Advanced
> XSI course which focused on the animation mixer and mental ray
> rendering. It is a closed book exam which means no notes, no books,
> no computers, no reference materials. You are only allowed a pencil,
> eraser, and one blank 8.5 x 11 inch sheet of scratch paper.
>
> Each question must be answered with complete sentences to receive
> credit. No points for bonus question until all other questions have
> been answered to completion.
>
> Exam duration: 60 minutes.
>
> The best score by my students was a 96. The average score was 84.
> Let’s see how you do.
>
> NOTE: This exam was created when XSI v3.5 was the current release
> (2003). Some behaviors / workflows may be different compared to what
> you use today.
>
> **
> **
> *-*
> Name:
> Date:
>
>
> *PART I: Animation*
>
> 1) What requirements must be met for two action clips to be able to
> blend their values within the Animation mixer?
>
> 2) Name three advantages XSI constraints have over key frame
> techniques for animating objects:
>
> 3) Name three advantages for using the animation mixer to animate
> scene elements (as opposed to setting key frames or applying
> constraints directly on the objects):
>
> 4) How does a 'linked parameter' affect an object's animation
> differently from a constraint or FCurve? What are the advantages of a
> linked parameter?
>
> 5) A sphere is animated via an FCurve from the global origin to roll
> along the X-axis until it reaches X=10 at frame 50. The key frames
> are applied to the sphere's global position and local orientation
> parameters. From frames 51 through 100, the sphere is animated via a
> pose constraint from X=10 to another arbitrary point in 3D space
> designated by another object. The sphere moves from X=10 to the
> designated target via an adjustment of the constraint's blending value
> from 0 to 1 (full off to full on). If the constraint is then stored
> as a source and instanced onto the animation mixer as an action clip
> on frame 1 (thru 50), what happens to the sphere when the play button
> is pressed?
>
> 6) Name two methods/tools for adjusting influence from one action clip
> to another on the animation mixer (i.e.: transfer full influence from
> 1st clip to the 2nd clip):
>
> 7) What is the difference between an action 'source' and an action
> ‘clip’ in the animation mixer? How can editing data within each
> affect the rest of the scene?
>
> 8) How do you make an exact copy of an action clip in the animation
> mixer (including clip effects and other adjustments)?
>
> 9) What is an offset map?
>
> 10) What are the restrictions of an offset map? (i.e. pros and cons)
>
> 11) Name 3 possible uses of an offset map:
>
> 12) What is the difference between a pose clip and an action clip?
> Name 3 reasons why you may need to use a pose clip:
>
>
> *PART II: General tools*
>
>
> 13) How does the explorer view differ from the schematic view?
>
> 14) Name 3 things that can be performed in the explorer view that
> cannot be performed in the schematic view:
>
> 15) What's the difference between the Match translation/rotation/scale
> tools and the position/orientation/scale constraints?
>
> 16) What's the difference between a selected parameter and a marked
> parameter? What's the purpose of each?
>
> 17) What requirements must be met before a parameter can be marked?
>
> 18) Name three possible methods for marking parameter(s) of scene
> elements:
>
> 19) What is a proxy parameter? What are possible uses of a proxy
> parameter?
>
> 20) What is the Object viewer and what advantage(s) does it have over
> other viewers?
>
> 21) What is a model and why should it be used?
>
>
> *BONUS:*
>
> Name as many methods as you can for editing parameter values: (1 point
> each)
>
>
> ---
>
>
>
>
> Matt Lind
> Animator / Technical Director
> Softimage Certified Instructor:
> Softimage|3D
> Softimage|XSI
> matt(dot)lind(at)mantom(dot)net
>
>
>
>
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