Join Aaron F. Ross for an in-depth discussion in this video Tuning solver attributes, part of Learning Maya nCloth 2012.
Now that we've got a basic simulation running, we need to direct it, and…fine-tune it, and make it better.…What I want to show you in this movie is the solver attributes for the nucleus node.…So I have got the nucleus node open already, I have selected my cloth, and hit…Control+A to open the Attribute Editor.…And in the nucleus tab, if we scroll down a bit, we'll find a section that…says Solver Attributes.…And essentially, there are really two main properties here that we can play…with: the Substeps, and the Max Collision Iterations.…
Higher values will give you, quote, more accurate results.…However, just increasing the value alone is not really going to be good enough…to fix problems that you have, but it's a start at least.…These default values are quite low, and if I increase them, what will happen is…the simulation will start running more slowly, because it's working harder, and…allegedly, more accurate.…The Substeps refers to the number of calculations per frame, and with higher…numbers, we will get a slower playback, and it'll actually, in a lot of cases,…
Author
Released
11/30/2012- Understanding the nucleus solver
- Adopting a scale convention
- Adjusting nCloth and nRigid attributes
- Creating and animating nConstraints
- Editing nConstraint membership and influence
- Smoothing nCloth with subdivision surfaces
- Storing and manipulating simulation data with nCache
- Improving simulation quality and efficiency
- Dressing an animated character
- Painting dynamic attributes such as Stickiness
- Simulating many objects such as falling leaves
Skill Level Intermediate
Duration
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Introduction
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Welcome39s
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Using the exercise files1m 28s
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1. nCloth Basics
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Adopting a scale convention4m 27s
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Building polygon primitives5m 42s
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Freezing transforms1m 38s
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Creating passive colliders1m 46s
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Creating nCloth2m 17s
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Setting Nucleus Space Scale2m 47s
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Choosing an nCloth preset2m 18s
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2. Simulating Dynamic nCloth
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Planning and preparing1m 10s
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Laying out the scene4m 49s
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Defining materials2m 40s
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Constructing a simulation5m 48s
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Adjusting strength drop-off3m 15s
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Adding Nucleus wind1m 29s
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Using interactive playback1m 33s
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3. Directing nCloth
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Tuning solver attributes2m 34s
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Adjusting dynamic properties4m 29s
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Setting the initial state2m 25s
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Creating an nCache6m 59s
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4. Optimizing Performance
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Duplicating nCloth5m 25s
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Assigning Nucleus solvers2m 14s
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Using collision layers5m 6s
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Extruding nCloth3m 14s
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Modeling nCloth garments2m 30s
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5. Integrating nCloth with Animation
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Welding adjacent borders4m 17s
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Working with nCaches6m 32s
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Painting cache weights3m 54s
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6. Simulating Special Effects
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Simulating many objects6m 44s
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Adjusting lift and drag6m 30s
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Applying wind shadow2m 34s
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Connecting nCloth to fields4m 19s
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Simulating rigidity3m 46s
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Scaling time with nCache2m 5s
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Tearing nCloth2m 40s
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Conclusion
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Goodbye47s
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Video: Tuning solver attributes