I thought that it would be nice if each one of you would tell us somthing that exists in max n we didn't knew about it, somthing that will make our work easier.
- When you draw a spline you can press I while drawing the line to switch to interactive mode.
- To dynamicly work with modifiers you can drag and drop modifiers from one object to another. I.e. you have cube 1 and cube 2, cube 1 has meshSmooth on it, you can click and drag meshSmooth onto cube 2 and it will be copied there. You can hold down ctrl + drag will instace the modifier, shift+drag will move the modifier from one object to another.
- In material editor you can rotate a shader by middle mouse button clicking and draging on it.
- If you select a file from explorer and drag/drop it onto mat editor shader slot it will add it into diffuse channel. You can drag any texture maps from explorrer into any mat editor slots, with out having to go and click (channel/bitmap/brows for bitmap).
- This one is a rather warning for max 7 users: did you know that if you instance a map in one mat two or more times, then click make unique button it will destroy the shader.
- Reactor dynamics: when you are trying to simulate two objects which have to look like they are side by side and reactor gives warrning of object intersecting, put a push modifier with a small value of -0.05 to shrink the objects temporarily, after the simulation you can turn off the push modifier and have everything looking correctly and colliding.
- Did you know that by default settings quasi monte carlo for primary bounce (Cool will render slower and more graynier image then if you turn up global QMC sampler subdivision to 4 (cleaner and faster). And making quasi for secondary bounce (exterrior) will make it render even faster, and even faster with global subdivisions to 4.
- Did you know that 3ds max maximum frame range in time slider is -10000 to 10000.
- Particle flow is terrible with max collision objects, avoid using heavy instaced objects colliding, this will result it horrible render times due to PF precalculations. Making PF cache to disk will make 3dmax files aroun 600 mb and still wont be anywhere near as helpful as one would want.
- Did you know that while working in editable poly mode ctrl + I (invert selection) does not work, but it works fine if you go edit/selection invert.
- Did you know that MeshSmooth will crash max at level 7 subdivision and TurboSmooth will still render all though at 2.5 gb of ram, but it will be fast and efficient. So since turbo smooth showed up I dont use meshsmooth that often. (test done on a primitive sphere renderer on mental ray)
- Did you know that procedural textures in vrayDisplacement Mod will render much slower then baked textures.
- Attaching multiple heavy objects in 3ds max via editable mesh/poly will perform a memory leak which will force max to jump the memory to maximum then crash. (test is done by cloning 100 (100x100) spheres and attaching them all in one batch. While if you attach them one by one your memory will grow exponentially, but you will be able to attache an nth number of them then save, close max open max and continue. (maya can do this attachement with memory under 900mb)
- Vray does not motion blur any light types, so if you have heavy motion in your scene which depends on precision lighting, do not use lights, rather use gi emmited objects.
- Vray does not motion blur lights thus does not motion blur any volumetric effects corelated to lights. Solution is to use camera multipass effect with duration corresponding to you motion blur to render a separate pass.
- Vray has hard time motion bluring particles which spawn and die between frames. If the blur is not too heavy you can use 2d effects motion blur, works well.
- Vray cannot motion blur Fluids like realFlow mesh or Glu3d, again 2d blur would work for some cases.
- When rendering single objects or passes like shadows use region to cut down on antialiasing of black unnesesserry space. Just make sure your object does not exit the region on a certain frame.
Sources : Internet
The measures have a dramatic influence in combination with lights and their fall-offs as well as atm-FX. If an object is only a few centimeters (inches) in size, don't desgin it in meters (feet) unless necessarry.
Don't forget: you can zoom your viewports to dramatic values - in both directions.
Simplified: The CPU sends it's data from the System-RAM to the GC. The GC renders an image out of what it gets and sends it to the screen (at usually around 72dpi) - not back to your system's RAM, since the out-port of the GC is (mainly) a oneway-road. Therefore the system can't access the rendered image that is sent to the screen.
3D accelerators are usuefull to speed up the viewports. The faster the GC tells the screen what to do, the faster - and smoother - the handling of the viewports will become. You surely noticed the degradation that occures when handling certain views of certain models. Trying to (eg.) rotate a huge and complex scene in "shade and highlight" mode often degrades the display to wireframe or even to bounding box while rotating. Switching on "degradation override" may make the viewport behave somewhat stubborn to your commands. This is where a fast GC comes handy. Also doing previews of animations in viewports will benefit from an accelerated GC.
Sources : Internet
- A shell with no soul? A lot of vehicles I see on the web are modeled out as just the body with wheels & tires. That's fine, but there is a lot more to a vehicle than just the shell and wheels. There is an interior, engine, transmission, drive line, wiring, tubes, hoses, bolts, and a whole other host of parts that make up the entire vehicle. For clarity, I am not putting down a vehicle model that consists solely of a body and wheels. For some applications, this is all that's required.
- References: You will need a lot of references while tackling a project of this magnitude. Even if you are very familiar with the subject matter you will more than likely need photos to get most of the details down. www.google.com/images is a great source for images, and while I use Google a lot, there are plenty other places to find pictures or information. I for one, get magazines that pertain to the subject model. Magazines will give you pictures as well as information and write-ups about the subject. Don't over look the advertisements though; they usually have good pictures as well.
A digital camera is a necessity for me, taking a picture of something specific is a very good way to gather references. A high mega-pixel digital camera can capture a lot of detail, even if you don't stick the camera intrudingly close-up. (but sometimes, you just have to) I go to car shows quite often to browse around the beautiful machines, and to take pictures (both for artistic photography, as well as reference photos). Sometimes I am forced to go to auto parts stores, and take pictures of the parts that way. I bring my college ID with me, and I never have any problems taking pictures inside the store. I even keep old parts off my car (or new ones that I have not installed yet) as reference. Just keep them in a box by the computer, and pick them up when it's time to model them.
Having a dual monitor setup makes the process of modeling a lot easier. You can have a few reference pictures open on one monitor, and your 3d program on the next monitor. That, combined with magazines and parts strewn all around, should be plenty of reference.
- Knowledge: Having a little knowledge about your subject matter usually helps out quite a bit. Being mechanically minded, I like to know how things attach to each other, and how they interact with each other. You don't have to know all this, but it sure does help. For instance, if you don't know how a particular part correctly attaches as it would be in real life, you can attach it convincingly enough using your knowledge of how other parts usually attach. That may be all you need.
- Accuracy: Granted, most 3d programs are not geared to absolute real world accuracy; you can usually customize the units to SAE or Metric standards and get acceptably close accuracy. Most 3d programs are able to do this, but even then this is not enough to get perfect accuracy. Accuracy is being able to tell the distance and angle from one object to another, or the diameter of a bolt whole and angle in relation to the other holes, or bend angle and slope of a tube: and being able to do this quickly and easily. CAD programs and other mechanical design programs are more suited to accuracy, but for the most part, if you can make something believable, then it does not need to be absolutely accurate to the millimeter. Some jobs may require a higher degree of accuracy, but for the majority of models, being very close and believable is plenty good enough. I am not saying do not pay attention to accuracy, if you pay attention to accuracy as much as possible, there will be a lot less guess work and "eyeballing" to do.
Sometimes, "eyeballing" is the only practical way around something. Here, it is important to know the size and placement of object in relation to their surrounding objects. For example, look at pictures and see: How many tires long is the car? (6 and 2/3 tires long, for example) How many headlights wide is the grill? How many bolts fit in-between two header pipes, how many valve cover bolt-heads wide are the valve covers? When you start thinking like this, any guess work you have to do, will be done much easier.
- Starting the modeling process: Starting a vehicle can be a very daunting task, especially if you plan to make the vehicle from the ground up: frame, engine, body and all. I suggest that you don't look at the vehicle as a whole, and don't even look at is as "the engine" or, "the interior". Break it down even further, down to the individual parts.
Think of it just as you would if you were to physically build or restore a vehicle in real life. If starting out with the engine, look at the block first, look to the next part attached, and the next part, and the next. Now model them out as you study them individually. All the while hiding parts that have been completed (except to get things aligned and scaled correctly). If you think of the engine as simply a set of parts, rather than a huge contraption, things will go a lot easier. This will ensure that you don't get mind boggled by the huge task, and also that you don't skimp over any details.
Back to the "physically building or restoring" example, would a vehicle run without fuel lines to deliver the fuel? Or breaks without a break line? Would the hood stay open with out a prop or struts? Would a door open with out hinges? Would the seats stay put with out seat rails? Would all those parts stay on if there are no nuts, bolts or welds? I think you can see the pattern here. Think of it literally, however ridiculous or insane that might sound.
Sources : Internet
If you are getting lots of errors or system crashes, you could have a problem with your registry. The Windows registry is a database of files that configure things for multiple users, software, hardware, and many other things. It is really easy to corrupt your registry without even knowing it. This is why it is important to do a registry backup or purchase a registry cleaner as a method to improving your PC performance.
Registry cleaners can do a backup and restore corrupted files. Make sure you do some research before you buy one, though. Stay away from free ones. Remember the old rule of buying anything - usually if it is too good to be true, it is.
*Only for Experienced PC Users*
To do a backup with most newer version of Windows, all you have to do is click on the ‘Start’ menu, go to ‘Run’, and type in ‘regedit.exe’. This will open a registry editor built into Windows. Using this, you can backup your registry into a .REG file, and burn it onto a CD for safekeeping. Keeping a good copy is one of the best methods to improving PC performance.
PC Performance – Tip #2
If your PC is running very slowly, it could be clogged with junk files, which leads to the second tip to improving PC performance. As you continually use it, your PC can accumulate lots of little files that you may no longer use. If you surf the Internet a lot or do a lot of downloading, then you PC can become clogged with lots of those little files.
An easy way to get rid of these junk files, thus improving PC performance, is to do a disk cleanup, then a error check and finally a disk defragment. To do this you click on ‘My Computer’ and right click on your main drive (usually C:/), open the menu, click the ‘Properties’ tab. When the next window pops up you will see a disk cleanup button, click this and wait for it to find any unused files, then delete these files to free up some room.
When this has finished then click on the ‘Tools’ tab up at the top, there you will see disk defrag as well as error check. Before you start doing either of these, though, make sure you have all programs running in the background off. Completing an error check before a defragment is always a good idea. An error check will look for any trouble spots on the hard disk, and lead to improving PC performance.
If you do a lot of downloading from the Internet, your hard disk can become full very quickly. Improving PC performance for this is really easy, and you have a few options. You can buy an external USB hard drive and transfer your files to it, thus freeing up the hard disk inside your tower. The other option is to delete any files you are no longer using. Of course, if you do decide to uninstall, make sure you do it properly. If not, you can leave little bits of the program or delete something you actually need from your registry.
Also, some of the freeware or shareware programs can leave behind some residual files that you may need to delete as a method to improving PC performance. A excellent way to keep your registry clean and error free is to use a registry cleaner.......
PC Performance – Tip #4
If you have done lots of different things, and you still don’t seem to be improving PC performance, then you may just have dust clogging up the electronics within your tower. In this case, only a good spring cleaning is necessary.
It is easy to take the outer casing off your tower. It’s just a few screws at the back and sometimes the top or bottom. Once the screws are loosened, it should just slide right off. Once the casing is off, don’t start blowing at the dust (and if you have had you PC for a while, there will be a lot of it). If you blow, you may spit a little which can fry some circuitry. What you should do is buy a can of compressed air. It sort of looks like a can of WD-40. You can spray the air to disperse the dust. Don’t get too close, though, as the components can get damaged which is certainly not a method to improving PC performance.
Also note not to touch any parts with your hands - if you need to touch anything make sure you earth yourself by touching the power unit first - the power unit should be connected to the wall socket as well*Improving PC performance isn’t hard and can be as easy or as difficult as you want it to be. Just remember to do regular maintenance, and your PC should run smoothly for quite a while.
Sources : Internet
- Real-Time Animation Tools
Using tools that are designed for non-technical artists, you'll get instant playback of character performances, alleviating the need to preview or render your work. The real-time capabilities of MotionBuilder makes it the character animation software of choice whether for an individual artist, or as the animation backbone of a large production pipeline.
- Revolutionary Character Technology
With its powerful full body FK/IK manipulation rig, Autodesk® Motionbuilder provides powerful automated character setup, so you can quickly setup a powerful rig, independent of your character's size or proportions. You can customize the look and feel of a character's manipulation rig easily, without the need for scripting or constraint setups. You can also repurpose an animated motion from one character to another with real-time motion retargeting.
- Unified Non-Linear Editing Environment
The story timeline for pre-visualization and layout saves even more production time by allowing you to easily blend, edit and sequence tracks composed of animations, cameras, digital video, and audio. You can also make camera shot decisions and re-order and re-time your shots "on-the-fly", similar to traditional non-linear video editing.
Autodesk® MotionBuilder™ 7.5 natively supports FBX, a platform-independent, high-end 3D authoring and interchange format. It lets you acquire and exchange 3D assets and media from a wide variety of sources quickly and easily. FBX is widely supported by the industry's leading software and hardware manufacturers and film studios.
Software (Minimum System Requirement)
Software Microsoft® Windows® XP Professional
Apple® Mac® OS X 10.3 or higherMotionBuilder™ 7.5 requires one of the following browsers:
Microsoft® Internet Explorer®, Netscape®, Safari™ or FireFox™
Hardware (Minimum System Requirement)
Intel® Pentium® III or higher, AMD Athlon™ processor, Macintosh® G4 or G5
256 MB RAM
CD-ROM Drive (DVD-ROM drive required foradditional Clip Art)
OpenGL® graphics card with 32 MB RAM
600 MB of hard disk space
Sources : Internet
Remember, you saw it here first!! Stop motion animation veteran, Dhimant Vyas and Aamir Khan Productions have generously shared photos of the making of the Clay Animation sequences from Taare Zameen Par
A demo reel is essentially a sales tool. You are selling yourself and proving, to an extent, what sort of positive addition you will be to a company. If you can prove you've got oodles of talent and a creative way of thinking about things, your demo reel will get you noticed. If it is exceptionally good, it's your doorway into the industry.
Who is your audience?
Your audience, obviously, is comprised of those people you want to work for. The thing is, you're not alone. Many, many people want and have tried to get the same job you are applying for. These demo watchers have seen countless reels and guess what, they're tired of seeing the same things over and over again. If you think your 3 minute flying logo is going to win you a job, you better consider it very carefully before putting it on your reel. These people are not obligated to watch your entire reel. If they're dissatisfied, they will hit EJECT and move on, possibly missing your Oscar(tm) worthy animation later in the reel.
What to put on a demo reel SECTION A (general):
Only your best, most amazing work ever. This stuff has to be the best thing since pizza. If you can do it all (model, render, and animate), do it all! You'll earn points for this. Companies are looking for people who can wear many hats and accept many responsibilities. You need to capture their attention and show them you're more than up to the challenge of working in a creative (and crazy) environment like theirs. You want to not only show them you're up to it, you want to show them it'll be a breeze for you.
What to put on a demo reel SECTION B (specific):
You need to get as many strong points across to your audience visually, in as little time as possible. You need to capture their attention, draw them in, and make them forget for an instant that they are watching a demo reel. This can be quite difficult unless you a great deal of vision and a really good story to tell. Currently a lot of business are looking for excellent character animators. You need to bring an object to life, give it a voice, an attitude, "CHARACTER", and have it tell a story. Be fresh, creative, and original (I can't stress that enough). Also, there is a demand for artists who are good at creating low polygon count models. If you have specific skills you want to show off and can, such as adding actual paintings you've created in the real world into a 3d environment, then do it. You are trying to earn as many points as possible. A well rounded artist is always appreciated.
What not to put on a demo reel SECTION A:
Probably whatever you are most likely to think about putting on your demo reel first, is the sort of thing you want to stay away from at all costs. You may think you're being original, but believe it or not, everyone else thinks their name or company logo looks cool flying around the screen too. How about spaceships? They're cool, to be sure...but if you're a demo watcher and that's all you see day in and day out, you're probably dying to see something else. Also, with whatever objects you include in your animation, make sure they are decorated (textured) in the best way possible. Most things in the real world are not shiny and new. Instead they are dented, beat up, scratched, or flawed in some unusual way. Prove your texturing skills by creating your own complex custom textures and make your models even more interesting to look at.
Realize that your audience has seen just about every basic transition and effect out there. These are the things that are only one click away in whatever program you're using. You need to be different and your effects need to be hard won. If it can be done from a simple pull down menu, it's probably not doing to impress them. You need to stand out from the rest of the pack.
What not to put on a demo reel SECTION B (exceptions):
Of course there are exceptions to everything in the computer graphics and animation industry. If the job you are applying for is going to require specific skills, such as flying logos or spaceship battles, then by all means gear your demo reel in that direction. However, if you are going to be applying to a wide variety of jobs, it is best to have something that will appeal and look absolutely amazing to everyone.
How do I create a good demo reel?
Sit, plan, make-up, cross out, plan some more, think, cross out, make up, and then get to work. A good method is to think about what your strengths are and then think about the most effective and entertaining way possible to get those strengths across on screen. Then sit and think about every aspect of what you want to do and storyboard it out. Understand what every scene is going to involve, how long it's going to take, what sort of resources you'll need to accomplish it, and if everything you want to do is really possible. And if it's not possible, how you're going to look that obstacle in the eyes and say "up yours, I'm doing it anyway".
What does a good demo reel look like?
Many companies have their own reels which you could probably arrange to get a hold of. Contact these places and see if they will send you one. If these are places you would like to work for, then pay close attention to the sort of things they do. Otherwise, I suggest checking out many cool animation tapes currently on the market. Look for "The Mind's Eye" series by SMV or "Computer Animation Festival" series also by SMV. Watch the tapes, be inspired, and then think about how you could have done it better...and then do something else, since what you're thinking about doing has already been done. Remember, be original. If you want to do something that's been done before, do it differently (if that makes sense).
Things to remember!
Put your best stuff first. You want to grab your audience's attention as soon as possible. Give credit where credit is due. If you didn't do something, say so. Also, specify the tools you used to create your demo reel.
Sources : www.cgtantra.com
In early animation, the action was limited to mainly fast and slow moves, the spacing from one drawing to the next fairly even. But when the poses of pose-to-pose animation became more expressive, animators wanted the audience to see them. They found that by grouping the inbetweens closer to each extreme, with only one fleeting drawing halfway between, they could achieve a very spirited result, with the character zipping from one attitude to another. "Slowing out" of one pose, then "slowing in" to the next pose simply refers to the timing of the inbetweens.
The animator indicates the placement of the inbetweens, the slow in or slow out, with a "timing chart" drawn on the side of the drawing. This tells himself, or his assistant who will be doing the inbetweens later, how he wanted the timing to be and where he wanted the inbetween drawings placed.
Timing chart for ball bounce In most 3D keyframe computer animation systems, the inbetweening is done automatically using spline interpolation. Slow in and slow out is achieved by adjusting the tension, direction or bias, and continuity of the splines. This works well to give the affect of slow in and out, but a graphical representation of the spline is required to see the effect of tension, direction, and continuity have on its shape.
With this type of spline interpolation, a common problem is the spline overshooting at extremes when there is a large change in value between them, especially over a small number of frames. This also happens when the direction control of an extreme is adjusted. The danger is that, depending on the variable the spline controls (translate, rotate, or scale), the value will shoot in the wrong direction just before (or just after) the large change in value. Sometimes this effect works out well when it occurs just before a large movement it may appear to be an anticipation. However, more often than not, it gives an undesirable effect.
In Luxo Jr., there was an example of this problem of overshooting splines, Jr.'s base was very heavy and when he hopped, we wanted the base to start stationary, then pop up in the air from the momentum of his jump, arc over, then land with a thud, suddenly stationary again. For the up translation, there were three keyframes, the two stationary positions and the highest point of his jump. The spline software forced continuity, so that his base would move down under the surface of the floor just before and after the jump. The solution was to put two new extremes, equal to the two stationary extremes, on the frames just before and just after the extremes. This "locked" down the spline, so that the up translation stayed the same value, popped up in the air, landed and then stayed the same value again. This gave the desired feeling of weight to his little base.
In the movement of any object or figure, the actions of the parts are not simultaneous some part must initiate the move, like the engine of a train. This is called the lead. In walking, the action starts with the hips. As the hip swings forward, it sets a leg in motion. The hip "leads", the leg "follows." As the hip twists, the torso follows, then the shoulder, the arm, the wrist, and finally the fingers. Although most large body actions start in the hips, the wrist will lead the fingers in a hand gesture, and the eyes will usually lead the head in an action.
Appendages or loose parts of a character or object will move at a slower speed and 'drag' behind the leading part of the figure. Then as the leading part of the figure slows to a stop. These appendages will continue to move and will take longer to settle down. As with squash and stretch, the object's mass is shown in the way the object slows down. The degree that the appendages drag behind and the time it takes for them to stop is directly proportional to their weight. The heavier they are the farther behind they drag and the longer they take to settle to a stop. Conversely, if they are lighter, they will drag less and stop more quickly.
In The Adventures of André and Wally B., this principle was used extensively on Wally B.'s feet, antennae and stinger. They all dragged behind his head and body. and continued to move well after the body had stopped. To convey that these loose appendages were made of different materials and different masses, the rate of the follow through was different for each type. His antennae were fairly light, so they dragged behind just slightly. His stinger was like stainless steel, so it dragged behind the action more than the antennae. And his feet were heavy and very flexible, as though they were water balloons; therefore, they always followed far behind the main action.
Often, slight variations are added to the timing and speed of the loose parts of objects. This overlapping action makes the object seem natural, the action more interesting. In Wally's zip off (figure 5), his feet zipped off, one after the other, about one or two frames apart. The action was so fast that it was difficult to see each foot going off separately, but it made the action as a whole more interesting.
Perhaps more important, overlapping is critical to conveying main ideas of the story. An action should never be brought to a complete stop before starting another action, and the second action should overlap the first. Overlapping maintains a continual flow and continuity between whole phrases of actions.
Walt Disney once explained overlapping this way, "It is not necessary for an animator to take a character to one point, complete that action completely, and then turn to the following action as if the had never given it a thought until after completing the first action. When a character knows what his is going to do he doesn't have to stop before each individual action and think to do it. He has it planned in advance in his mind. For example, the mind thinks, ' I'll close the door - lock it then I'm going to undress and go to bed.' Well, you walk over to the door before the walk is finished you're reaching for the door - before the door is closed you reach for the key - before the door is locked you're turning away - while you're walking away you undo your tie - and before you reach the bureau you have your tie off. In other words, before you know it you're undressed and you've done it in one thought, "I'm going to bed."
To stage an idea clearly, the audience's eye must be led to exactly where it needs to be al the right moment, so that they will not miss the idea. Staging, anticipation and timing are all integral to directing the eye. A well-timed anticipation will be wasted if it is not staged clearly.
It is important, when staging an action. that only one idea be seen by the audience at a time. If a lot of action is happening at once, the eye does not know where to look and the main idea of the action will be "upstaged" and overlooked. The object of interest should contrast from the rest of the scene. In a still scene, the eye will be attracted to movement. In a very busy scene, the eye will be attracted to something that is still. Each idea or action must be staged in the strongest and the simplest way before going on to the next idea or action. The animator is saying. in effect, "Look at this, now look at this. and now look at this."
In Luxo Jr., it was very important that the audience was looking in the right place at the right time, because the story, acting and emotion was being put across with movement alone, in pantomime, and sometimes the movement was very subtle. If the audience missed an action, an emotion would be missed, and the story would suffer. So the action had to be paced so that only Dad or Jr. was doing an important action at any one time, never both. In the beginning of the film, Dad is on screen alone your eye was on him. But as soon as Jr. hops on-screen, he is moving faster than Dad. therefore the audience's eyes immediately goes to him and stays there.
Most of the time Jr. was on-screen, Dad's actions were very subtle, so the attention of the audience was always on Jr. where most of the story was being told. If Dad's actions were important, Jr.'s actions were toned down and Dad's movements were emphasized and the attention of the audience would transfer to Dad. For example, when Jr. looks up to Dad after he's popped the ball and Dad shakes his head, all eyes are on him.
Another idea developed in the early days at Disney was the importance of staging an action in silhouette. In those days, all the characters were black and white, With no gray values to soften the contrast or delineate a form. Bodies, arms and hands were all black, so there was no way to stage an action clearly except in silhouette. A hand in front of a chest would simply disappear. Out of this limitation, the animators realized that it is always better to show an action in silhouette. Charlie Chaplin maintained that if an actor knew his emotion thoroughly, he could show it in silhouette.
In The Adventures of André and Wally B., André awakes and sits up, then scratches his side. If he were to scratch his stomach instead of his side, the action would happen in front of his body and would be unclear what was happening.
Sources : Internet
There are several facets to Anticipation. In one sense, it is the anatomical provision for an action. Since muscles in the body function through contraction, each must first be extended before it can contract. A foot must be pulled back before it can be swung forward to kick a ball. Without anticipation many actions are abrupt, stiff and unnatural.
Anticipation is also a device to catch the audience's eye, to prepare them for the next movement and lead them to especially before it actually occurs. Anticipation is often used to explain what the following action is going to be. Before a character reaches to grab an object, he first raises his arms as he stares at the article, broadcasting the fact that he is going to do something with that particular object. The anticipatory moves may not show why he is doing something, but there is no question about what he is going to do next.
Anticipation is also used to direct the attention of the audience to the right part of the screen al the right moment This is essential for preventing the audience from missing some vital action. In the very beginning of Luxo Jr., Dad is on screen alone looking offstage. He then reacts, anticipating something happening there. When Jr. does hop in. the audience is prepared for the action.
The amount of anticipation used considerably affects the speed of the action which follows it If the audience expects something happen, then it can be much faster without losing them. If they are not properly prepared for a very fast action, they may miss it completely; the anticipation must be made larger or the action slower. In a slow action the anticipation is often minimized and the meaning carried in the action proper. In one shot in The Adventures of André and Wally B., Wally B. zips off to the right. The actual action of the zip off is only 3 or 4 frames long, but he anticipates the zip long enough for the audience to know exactly what is coming next.
Anticipation can also emphasize heavy weight. As for a character picking up an object that is very heavy. An exaggerated anticipation, like bending way down before picking up the object, helps the momentum of the character to lift the heavy weight. Likewise for a fat character standing up from a seated position: he will bend his upper body forward, with his hands on the armrests of the chair, before pushing up with his arms and using the momentum of his body.
- Timing, or the speed of an action, is an important principle because it gives meaning to movement- the speed of an action defines how well the idea behind the action will read to an audience. It reflects the weight and size of an object, and can even carry emotional meaning.
- Proper timing is critical to making ideas readable. It is important to spend enough time (but no more) preparing the audience for: the anticipation of an action; the action itself; and the reaction to the action. If too much time is spent on any of these, the audience's attention will wander. If too Little time is spent. the movement may be finished before the audience notices it, thus wasting the idea.
- The faster the movement, the more important it is to make sure the audience can follow what is happening. The action must not be so fast that the audience cannot read it and understand the meaning of it.
- More than any other principle, timing defines the weight of an object. Two objects, identical in size and shape, can appear to be two vastly different weights by manipulating timing alone. The heavier an object is, the greater its mass, and the more force is required to change its motion. A heavy body is slower to accelerate and decelerate than a light one. It takes a large force to get a cannonball moving, but once moving, it tends to keep moving a the same speed and requires some force to stop it. When dealing with heavy objects, one must allow plenty of time and force to start, stop or change their movements, in order to make their weight look convincing.
- Light objects have much less resistance to change of movement and so need much less time to start moving. The flick of a finger is enough to make a balloon accelerate quickly away. When moving, it has little momentum and even the friction of the air quickly slows it up.
- Timing can also contribute greatly to the feeling of size or scale of m object or character. A giant has much more weight, more mass, more inertia than a normal man; therefore he moves more slowly. Like the cannonball, he takes more time to get started and, once moving, takes more time to stop. Any changes of movement take place more slowly. Conversely, a tiny character has less inertia than normal, so his movements tend to be quicker.
- The way an object behaves on the screen, the effect of weight that it gives, depend entirely on the spacing of the poses and not on the poses themselves. No matter how well rendered a cannonball may be, it does not look like a cannonball if it does not behave like one when animated. The same applies to any object or character.
- The emotional state of a character can also be defined more by its movement than by its appearance, and the varying speed of those movements indicates whether the character is lethargic, excited, nervous or relaxed.
- Thomas and Johnston describe how changing the timing of an action gives it new meaning: Just two drawings of a head, the first showing it leaning toward the right shoulder and the second with it over on the left and its chin slightly raised, can be made to communicate a multitude of ideas, depending entirely on the timing used.
- Each in-between drawing added between these two extremes gives a new meaning to the action.
The Character has been hit by a tremendous force. His head is nearly snapped off.
The Character has been hit by a brick, rolling pin, frying pan.
The Character has a nervous tic, a muscle spasm, an uncontrollable switch
The Character is dodging a brick, rolling pin, frying pan
The Character is giving a crisp order, "Get going!" "Move it!"
The Character is more friendly, "Over here." "Come on-hurry!"
The Character sees a good looking girl, or the sports car he has always wanted
The Character tries to get a better look at something
The Character searches for the peanut butter on the kitchen shelf
The Character appraises, considering thoughtfully
The Character stretches a sore muscle
Sources : Internet
Squash & stretch in bouncing ball Squash and stretch also defines the rigidity of the material making up an object. When an object is squashed flat and stretches out drastically, it gives the sense that the object is made out of a soft, pliable material and vice versa. When the parts of an object are of different materials, they should respond differently: flexible parts should squash more and rigid parts less. An object need not deform in order to squash and stretch. For instance, a hinged object like Luxo Jr. (from the film Luxo Jr.) squashes by folding over on itself, and stretches by extending out fully.
Squash & stretch in Luxo Jr.'s hop Squash and stretch is very important in facial animation, not only for showing the flexibility of the flesh and muscle, but also for showing the relationship of between the parts of the face. When a face smiles broadly, the corners of the mouth push up into the cheeks. The cheeks squash and push up into the eyes, making the eyes squint, which brings down the eyebrows and stretches the forehead. When the face adopts a surprised expression, the mouth opens, stretching down the cheeks. The wide open eyes push the eyebrows up, squashing and wrinkling the forehead. Another use of squash and stretch is to help relieve the disturbing effect of strobing that happens with very fast motion because sequential positions of an object become spaced far apart. When the action is slow enough, the object's positions overlap, and the eye smoothes the motion out. However, as the speed of the action increases, so does the distance between positions. When the distance becomes far enough that the object does not overlap from frame to frame, the eye then begins to perceive separate images. Accurate motion blur is the most realistic solution to this problem of strobing, [8,9] but when motion blur is not available, squash and stretch is an alternative: the object should be stretched enough so that its positions do overlap from frame to frame (or nearly so), and the eye will smooth the action out again.
In 3D keyframe computer animation, the scale transformation can be used for squash and stretch. When scaling up in Z, the object should be scaled down in X and Y to keep the volume the same. Since the direction of the stretch should be along the path of action, a rotational transformation may be required to align the object along an appropriate axis.
Disney set up drawing classes for his animators at the Chouinard Art Institute in Los Angelesunder Instructor Don Graham. When the classes were started, most of the animators were drawingusing the old cartoon formula of standardized shapes, sizes, actions and gestures, with littleor no reference to nature. Out of these classes grew a way of drawing moving human figures andanimals. The students studied models in motion as well as live action film, playing certainactions over and over. The analysis of action became important to the development of animation.
Some of the animators began to apply the lessons of these classes to production animation, whichbecame more sophisticated and realistic. The animators continually searched for better ways tocommunicate to one another the ideas learned from these lessons. Gradually, procedures wereisolated and named, analyzed and perfected, and new artists were taught these practices as rulesof the trade.
They became the fundamental principles of traditional animation:
- Squash and Stretch - Defining the rigidity & mass of an object by distorting its shape during an action.
- Timing - Spacing actions to define the weight & size of objects & the personality of characters.
- Anticipation - The preparation for an action.
- Staging - Presenting an idea so that it is unmistakably clear.
- Follow Through & Overlapping Action - The termination of an action & establishing its relationship to the next action.
- Straight Ahead Action & Pose-To-Pose Action - The two contrasting approaches to the creation of movement.
- Slow In and Out - The spacing of in-between frames to achieve subtlety of timing & movements.
- Arcs - The visual path of action for natural movement.
- Exaggeration - Accentuating the essence of an idea via the design & the action.
- Secondary Action - The Action of an object resulting from another action.
- Appeal - Creating a design or an action that the audience enjoys watching.
The application of some of these principles mean the same regardless of the medium of animation.2D hand drawn animation deals with a sequence of two dimensional drawings that simulate motion.3D computer animation involves creating a three dimensional model in the computer. Motion isachieved by setting keyframe poses and having the computer generate the inbetween frames.Timing, anticipation, staging, follow through, overlap, exaggeration, and secondary action applyin the same way for both types of animation. While the meanings of squash and stretch, slow inand out, arcs, appeal, straight ahead action, and pose-to-pose action remain the same, theirapplication changes due to the difference in medium.
Sources : Internet
The last two years have seen the appearance of reliable, user friendly, keyframe animationsystems from such companies as Wavefront Technologies Inc., Abel Research (RIP), Vertigo Systems Inc., Symbolics Inc., and others. These systems will enable people to produce more high quality computer animation. Unfortunately, these systems will also enable people to produce more bad computer animation.
Much of this bad animation will be due to unfamiliarity with the fundamental principles thathave been used for hand drawn character animation for over 50 years. Understanding theseprinciples should also be important to the designers of the systems used by these animators.
Here is a small list of some example shortcuts that I use all the time:
- F9: Quick Render
- F10: Render Dialogue
- Ctrl+C: Create new Camera (from current perspective)
- F12: Positioning Dialogue
Hotkeys are a godsend to me, and I always use them when I'm working. It saves me a little time here and there and end up giving me more free-time in the end. I would definitely recommend that you look at the hotkey map and get to know which keys do what, it will more than likely make your experience with max a better one.Another great feature that 3dsmax has in the XRef importing feature, which lets you import objects from other Max scenes and places them into your new one (and no, it doesn't affect the other scene at all). You can import ANYTHING from another scene (geometric data, lights, helper objects, etc.) with XRef. I use this option whenever I'm working on large scenes so that I don't have to model an object in the scene itself. (And yes, XRef does import the materials from objects so there's no need to retexture them).
Let's start with the viewports, probably the most vulnerable feature of 3dsmax to freeze up. I get so many questions from people who can't work on their scenes because they add too many meshsmooth or turbosmooth modifyers to their models, and they just aren't looking at those modifyers full options. When you add any subdivision modifyer to your models, preview it with just one itteration, if it looks somewhat good, then change it back to 0, and set your render itteration to 1 or 2, if the model in the render doesn't look smooth enough, then simply add more render itterations.
When you're working on major scenes (that have about a million or so polys, and a few hundred objects), and you are stuck trying to get around in the viewport which is traveling at a choppy 2 frames per second, then simply turn the viewport wireframe mode on (hotkey: F3). It should be easier to get around in, especially when you are previewing animations. Another good alternative to the wireframe mode is the box mode (hotkey: O). In this mode all the objects in the viewport appear to be 6-poly boxes and is virtually lag free. This is an ideal solution for people who have low-grade video cards.
Another big factor for disruption in the viewports is the lighting. Lights take up quite alot of your system memory, and a good trick for dealing with that is to (simply put) delete the lights...but BEFORE you do that, select the lights (individually if you have more than one) and press F12 to get their position co-ordinates. Make a new text document or something to paste your X,Y,Z co-ordinates and write down the light settings. This may be a little much just to free up some memory, but it's well worth it.
SOURCES : INTERNET