Monday, 21 November 2011

Free human 3d models

Every 3D models represent a 3D object using a collection of points in 3D space, connected by various geometric entities such as triangles, lines, curved surfaces, etc. Being a collection of data (points and other information), 3D models can be created by hand, algorithmically (procedural modeling), or scanned. and also we can create Realistic 3D models. using 3D software Packages.

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 And Also You Can Download 3d Model Reference for Your 3d Workspace


3D Human Model1










3D Human Model-2


3D Human Model-3

 
3D Human Model-4


 3D Human Model-5


3D Human Model-6

 


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Sunday, 20 November 2011

Advantages and Disadvantages of Motion capture Animation

Advantages

Motion capture offers several advantages over traditional computer animation of a 3D model:

More rapid, even real time results can be obtained. In entertainment applications this can reduce the costs of keyframe-based animation. For example: Hand Over.

The amount of work does not vary with the complexity or length of the performance to the same degree as when using traditional techniques. This allows many tests to be done with different styles or deliveries.

Complex movement and realistic physical interactions such as secondary motions, weight and exchange of forces can be easily recreated in a physically accurate manner.

The amount of animation data that can be produced within a given time is extremely large when compared to traditional animation techniques. This contributes to both cost effectiveness and meeting production deadlines.

Potential for free software and third party solutions reducing its costs.

Disadvantages

Specific hardware and special programs are required to obtain and process the data.

The cost of the software, equipment and personnel required can potentially be prohibitive for small productions.

The capture system may have specific requirements for the space it is operated in, depending on camera field of view or magnetic distortion.

When problems occur, it is easier to reshoot the scene rather than trying to manipulate the data. Only a few systems allow real time viewing of the data to decide if the take needs to be redone.

The initial results are limited to what can be performed within the capture volume without extra editing of the data.

Movement that does not follow the laws of physics generally cannot be captured.

Traditional animation techniques, such as added emphasis on anticipation and follow through, secondary motion or manipulating the shape of the character, as with squash and stretch animation techniques, must be added later.

If the computer model has different proportions from the capture subject, artifacts may occur. For example, if a cartoon character has large, over-sized hands, these may intersect the character's body if the human performer is not careful with their physical motion.




Motion Capture Animation 
Motion capture, motion tracking, or mocap are terms used to describe the process of recording movement and translating that movement on to a digital model. 

When it includes face and fingers or captures subtle expressions, it is often referred to as performance capture.
Motion Capture  is used in military, entertainment, sports, and medical applications, and for validation of computer vision[1] and robotics. In filmmaking, it refers to recording actions of human actors, and using that information to animate digital character models in 2D or 3D computer animation

In motion capture sessions, movements of one or more actors are sampled many times per second, although with most techniques (recent developments from Weta use images for 2D motion capture and project into 3D), motion capture records only the movements of the actor, not his or her visual appearance. 


Motion Capture Movies Avatar Excellent and Reality . Animation Movie


Avatar is a 2009 American epic science fiction film written and directed by James Cameron, and starring Sam Worthington, Zoe Saldana, Stephen Lang, Michelle Rodriguez, Joel David Moore, Giovanni Ribisi and Sigourney Weaver. The film is set in the mid-22nd century, when humans are mining a precious mineral called unobtanium on Pandora, a lush habitable moon of a gas giant in the Alpha Centauri star system The expansion of the mining colony threatens the continued existence of a local tribe of Na'vi—a humanoid species indigenous to Pandora. The film's title refers to the genetically engineered Na'vi-human hybrid bodies used by a team of researchers to interact with the natives of Pandora.

TINTIN Latest Movie In Motioncapture
In 2006, MONSTER HOUSE became the first motion-capture film to be nominated for a Best Animated Film Oscar. But last year, a decision was handed down stating motion-capture animated films would be ineligible for the Best Animated Film Oscar. Up until this point, however, Steven Spielberg had never directed a mo-cap film. That's all about to change this holiday season as Spielberg releases THE ADVENTURES OF TINTIN. It's a movie both he and Paramount feel has the chance to be nominated for an Oscar - namely the Best Animated Film. But is TINTIN really an animated film and should the Oscars make an exception?

Spielberg has touched off a controversy within the Academy of Motion Picture Arts and Sciences, a notoriously stodgy and old-fashioned group if there ever was one, about whether motion-capture films and, specifically, THE ADVENTURES OF TINTIN are eligible to be nominated for Best Animated Film. Their decision last year claimed, "Motion capture by itself is not an animation technique." But expect an appeal on that decision in advance of this year's Oscars.

The AMPAS would very much like to accommodate Mr. Spielberg, a legendary director whose clout bucket overfloweth, but at the same time isn't really convinced that mo-cap films are animated. For one, they're based off live-action performances. Well, OK, so was RANGO and that was surely animated. But with mo-cap, the animation is all centered around the actor who is basically puppeting a 3D model. There are parts of mo-cap films that are most definitely animated but there are parts of ALVIN AND THE CHIPMUNKS that's animated and that's certainly not getting nominated.

Both Spielberg and Paramount will be making the case for mo-cap films and I'm assuming they'll be joined by Warner Bros. who have HAPPY FEET TWO coming out later this year. So where do you stand? Should these films stand alongside Pixar movies that are 100% animated with zero motion-capture technology or should the Academy stand strong?