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1. Objetivo del procedimiento

3.1. Isotermas de adsorción

Bone Position

Visible: Sometimes. Position of bone with out motion.

Transform

Read-Only on Cache. Stores any motion for this bone, includes translate, scale and rotate. and cannot be set on the cache, but is visible so that relationships can be created that are controlled by it.

Roll-Method

Advanced, Default: Y-Poles-Singularity. Default Roll Behavior There are several situations in which a bone is given clues about where to aim, but no further information about what should happen with the roll handle. In a sense only two of the three degrees of freedom are clearly defined: an Aim At constraint, inverse kinematics, and grabbing the end of the simple bone manipulator are a few examples. When this occurs, a bone’s roll is determined by what is known as its “default roll behavior”: it tells the bone how it should be rolled at any given aim direction, and is intended to be the best in most situations. Occasionally you may rotate a bone and find this default behavior undesirable. To remedy it, simultaneously press [Ctrl] key on the keyboard ([Cmd] key on the Mac) to automatically compute a minimal visible roll, or use the Rotate manipulator, which defines all three degrees of freedom, or choose a different roll method. These roll behaviors do not occur between keyframes when using quaternion interpolation.

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Z-Singularity: This is the default roll method for all geometry driving bones,

the default roll behavior is to try not to roll at all if in the same hemisphere as the bone was defined. This gives the bone a kind of “sweet spot “ in the shape of a hemisphere around the bone’s original creation direction.

Y-Poles-Singularity: This roll method is used for all bones except geometry

driving bones, such as lights, cameras, nulls, forces or models. Its behavior is not to roll unless pointed in the same or opposite direction as the roll handle. This creates the behavior of a camera that is mounted above a basketball court. It always tries to keep the top of the players heads up in the frame of the camera. This is clearly defined everywhere except directly underneath (or on top) of the camera. That is why it is called Y-Poles. This behavior is good for lights and cameras.

Roll-History: This method determines the roll direction based on where the

roll was before the bone was rotated. It essentially uses the history of the roll handle to determine where it should be. One downfall of this method is that given a certain direction for the bone, there is no definitive location that the roll handle will be. It depends on where it was before. However this technique has no singularities or odd rotating gimbal locations.

Euler Order

Advanced, Default: Automatic. This property controls the order which is used to convert a rotation into three euler angles (x,y,z). This property will rarely ever need to be changed from its default. The euler angles are used for 1-D smartskin, roll-like constraints, as well as expressions based on just one of the three components of a rotation. Animation Master internally stores and calculates rotations as quaternions. However it if the angle came from a Euler rotation driver, it keeps the euler angles as well. It stores these unconverted raw euler angles for future use, and marks a flag that says the euler angles are valid. This serves two purposes; one is speed, why convert to an euler again, if we already have that answer. The second is to preserve large euler angles, so that they may be scaled up or down accurately by roll- like constraints or expressions. Many operations in AM can mess up this pre-computed euler angle state though. Any other kind of rotate driver, like a quaternion driver, or a vector driver, as well as all types of rotate constraints will store a quaternion, and tromp the carefully stored eulers. Even an additional Euler driver can mess it up, if the two are blended with add, since it is the quaternions which are added. The result is converted back to euler when needed. Rotation compensation applied by actions used on models whose bones are oriented differently than the one for which it was created will also invalidate the euler angles. When any of these invalidations occur, the euler angles are not available, so new euler angles are computed from the quaternion. This property controls how those euler angles are computed. The default is automatic. Occasionally this automatic behavior produces discontinuities in the resulting euler angle when the decision

switches states. In this case, choosing one of the fixed euler orders is recommended.

YXZ: This is the same order used by the Euler Rotation Driver. It is the

primary order used by Animation Master. Z rotations are king, and can range from -180 to 180 degrees. X rotations are next and can also range from -180 to 180 degrees. Y is last, and can only range from 0 to 180 degrees.

XYZ: This is an alternative order, and usually would only be desired when

the returned Y rotation should have a broader range. Z rotations are still king, and can range from -180 to 180 degrees. Y rotations are next and can also range from -180 to 180 degrees. In this case X is last, and can only range from 0 to 180 degrees.

Automatic: This order analyzes the rotation, in an attempt to determine

which angle rotates more X or Y. It then chooses the YXZ or XYZ order depending on the result. This is the default way which Animation Master uses to determine Euler angles.

Attached to parent

Visible: Sometimes, Default: OFF. Set if this bone should form an IK chain with its parent.

Hidden

Visible: Sometimes, Default: OFF. Hides this bone.

Manipulator Options

Visible: Sometimes, Advanced. See Manipulator Options property.

Lock IK

Visible: Sometimes, Default: OFF. Locks the joint so Inverse Kinematic chain is broken in half at this bone's pivot.

Shortcut to

Visible: Sometimes. Sets which object under the Project's Objects folder this object is an instance of. This can be useful when animation has been made for an object in a choreography, but now you need to switch the object to a different one. If you were to delete the instance and put the new one in the choreography, all the animation would be lost. Switching which object the shortcut is an instance of using this property saves you from having to redo all that work. This can also be useful when using a low-density version of a model during the animation phase, and switching to the final high-density version once it is ready to render. This low-res version of a model is often called a "proxy model". You will only find this property on instances.

Active

Visible: Instance Only, Default: ON. This option is for objects that need to appear and/or disappear during the course of an animation. Inactive objects are not seen in real time or final renderings. You can use this to speed up scenes when this object is off screen, or temporarily not needed.

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Ignore Fog

Default: OFF. Turn this on if fog shouldn't be applied to this object.

Animate Mode

Default: ON. This property specifies whether keyframes should be created or not when the object is manipulated.

Mass Settings

Contains the default mass settings for this system.

Mass

Default: 0.05, Min: 0. The mass used for all mass objects in this system, unless they override this default value.

Mass Drag

Default: 0.02, Min: 0. Every mass in the system is affected by this drag. It is the general resistance against motion. Faster motions always have more resistance. High drag values will seem as if the objects are moving through syrup. Low or zero drag will seem like the objects never really settle to complete rest.

Collision Radius

Default: 0.5, Min: 0. The collision radius used for all mass objects in this system, unless they override this default value. Cloth masses use their own collision radius technique.

Spring Settings

Contains the default spring settings for the system.

Stiffness

Default: 50, Min: 0. The spring stiffness used for all springs in this system, unless they override this default value.

Damping

Default: 10, Min: 0. The spring damping used for all springs in this system, unless they override this default value.

Cloth Settings

Contains the default cloth settings for the system.

Cloth Drag

Default: 0.04, Min: 0. Cloth drag is the drag applied when the cloth tries to move through the air. It resists motion much more when the cloth's surface normal faces the same way as the direction of movement, and less when the cloth is in line with the movement. This kind of drag is what makes cloth billow, sails on boats fill, and flags wave. Higher numbers mean the cloth has more resistance to moving through the air.

Cloth Collision Radius

Default: 25%, Min: 0%, Max: 1e+010%, Percentage. Cloth uses an automatic collision radius that is computed as a percentage of the average resting length of the attached springs. This permits denser areas of cloth to have a smaller collision radius, while less dense areas have larger collision radius. This is generally what is required to prevent the centers of patches

from passing through each other. So 25% means that the collision radius for each mass will be 25% of the average length of the attached springs.

Struct Settings

Contains the default settings for the structural springs in the system.

Structural Stiffness

Default: 1000, Min: 0. There are three different types of springs created by the cloth wizard. The structural springs control the overall ability for the cloth to stretch along its length. Higher stiffness stretches less. They connect one mass to its nearest neighbor along the same direction as the spline. Stiffness represents the desire for the spring to return to its resting length. The higher the stiffness the more strongly the spring will pull or push to try to reach its resting length. The combination of stiffer springs and lighter masses makes for systems which are more unstable. To maintain stability the solver must progress more slowly, so simulation times will be longer.

Structural Damping

Default: 20, Min: 0. There are three different types of springs created by the cloth wizard. The structural springs control the overall ability for the cloth to stretch along its length. Higher stiffness stretches less. They connect one mass to its nearest neighbor along the same direction as the spline. Damping is the part of the spring that resists fast motion. It is like the shock absorber on a car. Without damping the spring would continue to oscillate back and forth forever. Just the way a car does with no shocks. The faster the spring attempts to move, the stronger the damping will resist that motion. Larger damping numbers are like sturdier shocks. When increasing the stiffness of a spring it is usually necessary to also increase the damping.

Shear Settings

Contains the default settings for the shear springs in the system.

Shear Stiffness

Default: 5, Min: 0. The shear springs connect the masses that are diagonally across a patch from one another. They resist the cloth's attempts to shear in the same plane as the cloth itself.

Shear Damping

Default: 0.25, Min: 0. The shear springs connect the masses that are diagonally across a patch from one another. They resist the cloth's attempts to shear in the same plane as the cloth itself.

Fold Settings

Contains the default settings for the fold springs in the system.

Fold Stiffness

Default: 5, Min: 0. The fold springs connect two masses that are separated by one mass in between. They resist the folding of the cloth.

Fold Damping

Default: 0.25, Min: 0. The fold springs connect two masses that are separated by one mass in between. They resist the folding of the cloth.

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