There seems to be many preconceived notions about forensic animations and their allembracing use in litigation. Many times, lawyers or emergency reconstructionists will say that "An animation can show whatever the animator wants" or "Animations are difficult to admit in a court of law". However, to a forensic animator, this is also like saying, that your accountant can "fix your books". In reality, it is far from the truth.
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Misconception #1 - "An animation can show whatever the animator wants"
Perhaps it is the fact that so much of what we see on television and in films is altered with lifelike extra effects that we tend to join together whatever with 3D visualization with more than a hint of skepticism. Ironically, much of the same software used to animate films such as "Spiderman" or "Lord of the rings" is also less known to be used in scientific visualization, research and forensic animations. Population may join together the fact that an experienced extra effects animator is capable of creating surreal, yet realistic seeing effects. Therefore, it must not be accurate.
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The greatest variation in the middle of a forensic animation and just any other type of animation is the "forensic" part. This implies that there is a large exertion in insight the details of what is being challenging and that there is a large emphasis ensuring a high level of accuracy. An animator can spend more than 70% of his time on activities associated to the verification of data and ensuring accuracy in the animation.
coarse Misconceptions About Forensic Animations
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An experienced and remarkable forensic animator would tell you that a large exertion goes into construction and checking each step of the animation process to the precise and precise dimensions. In fact, very itsybitsy is left to the imagination since most recreations are based on precise data typically in case,granted by the expert witness. A straightforward example is the terrain data of a particular scene. This can be obtained by means of a total middle point along with the positions of foremost features such as signs, traffic lights, debris or tire marks on the roadway.
Even the animation and appeal of objects in a 3D recreation is typically based on information or data in case,granted by the expert witness. This data is often obtained through rigorous calculations or through the use of simulation software. In the case of simulation software, the data can be directly converted or imported directly into the 3D animation software, leaving itsybitsy room for error.
There may be cases where the forensic animator is in case,granted with less than ideal information, however, even in these rare instances, an experienced forensic animator will have enough knowledge to ensure that the basic rules of geometry and physics (i.e. Motion) are applied and adhered to.
Misconception #2 - "Animations are difficult to admit in a court of law"
Somewhere along the way, there have been animations which were so poorly constructed or erroneous they plainly could not have been allowed in court. It would seem that these cases tend to stick in the minds of litigators and cause reluctance for time to come use of what is a perfectly suitable and effective use of technology.
Normally, it is an new animator or lawyer which does not effect some of the basic rules of demonstrative evidence.
Some key points to reconsider when considering a forensic animation are:
1. The animation needs to withhold the testimony of the expert discover and should be determined an extension of the witness' report. The expert discover should be directly involved in authenticating and reviewing the animation.
2. Disclose the animation well in advance of the trial date. Evidence needs to be disclosed in a timely manner and the opponent requires time to cross discover the evidence.
3. The animation fairly and accurately conveys the data or matter that it purports to convey or depict. The animation should not be prejudicial in that it outweighs the probative value.
4. The animation should be relevant.
5. The forensic animator should be ready to testify that the works created are based on sound technology, process and algorithms such that the final works are a reflection of the expert witness' opinion.
There are, of course, many other factors to reconsider which may be case dependent. Added materials and references are ready for retell including a paper entitled "The Admissibility of Demonstrative Evidence in Jury Trials:" Written by Barbara Legate of Legate and associates and ready at the Ai2 forums (www.ai2-3d.com/Forums).
Today, most forensic animations are admitted into court since there are greater considerations and groundwork taken into account to ensure the accuracy, validity and capability of the animations. By selecting an experienced forensic animator and by adhering to the rules of demonstrative evidence, the risks associated with inadmissibility are greatly reduced.
Misconception #3 - "Animation and Simulation are the same thing"
There are two determined ways to construct an animation and although the end effect may try to achieve the same thing, they are fundamentally separate in the means by which they are created.
A simulation is typically the production of a schedule which is operated by a remarkable emergency reconstructionist. The schedule has a set of key behaviours (i.e. Mathematical equations) which define the movement of objects when given a set of known parameters. It is up to the emergency reconstructionist to define all the input variables and ensure they are accurate. Once this is complete, the schedule is initiated to guess all the positions of objects through some exact time.
The simulation software may also production the appeal of objects in the form of exportable tabularized data and/or animation. However, most manufacturers of simulation based software programs have not been able to achieve the same level of realism as most animators are able to do with 3D visualization software. There may be a number of reasons to this which deal with Added complicating already involved software or that perhaps the time spent on development is in the mathematics behind the simulation software and not primarily in the visualization or presentation of the data.
Another foremost issue which is tasteless with simulation software is the validity of the data available. The old saying "garbage in, garbage out" is applicable. Since a simulation would typically be used as substantive evidence, it can get difficult to prove something is precise without having solid data to back the animation up.
Animation
Demonstrative Evidence - illustrates how something works or how something happened based on the testimony of the expert or eye witness. The animator, not the software is responsible for accurately challenging and positioning objects over time.
Does not try to prove anything, but just facilitates the account or testimony of a witness.
Simulation
Substantive Evidence - Takes actual dynamics and physics into account. The objects are not challenging by "hand", but by software based on calculated inputs or data.
Tries to prove that something may have occurred a determined way.
Visually, an animation is more eye catching and realistic.
Simulations are improving in their presentation, but are still lacking realism.
On the other hand, an animation may be based on an eye discover testimony, calculations of the emergency reconstructionist or from data production by a simulation package. All the events of an animation in a typical 3D visualization box are calculated and setup by the animator. Animations are roughly all the time disclosed as demonstrative evidence and they do not try to "prove" anything. They are merely other form of expressing the thought of the expert discover and are all the time presented as demonstrative evidence.
Misconception #4 - "We need it yesterday".
There have been many advances in the technology that forensic animators use which has improved the speed and efficiency of their work. Computer processing speeds have grown exponentially and the advances in software have allowed animators to do things which were plainly not potential any years ago. There are even tools in case,granted to animators which allow them to write convention scripts for repetitive tasks and specialized functions.
These advances in speed and capability would make one think that the time to complete an animation should also have been greatly reduced; however, this is not the case.
Part of this guess is plainly the nature of the animation process. Much work needs to go into the insight of the case, reading reports, taking measurements and verifying accuracy. This part alone can take a large part of the man-hours to create the animation.
Also, creating the 3D models ("scene assets") significant to populate the animation is still a time challenging process. There are some advantages when a "library" of suitable models is used (i.e. Stop signs, light poles, traffic signs), however since each case is separate and the exact details need to be reflected in the animation (such as the scene topography or exact damage to the vehicle), time must be spent to customize or create models from scratch.
Technology has effectively brought many more options to the realm of visualization which means that more work is being done in a similar number of time. If one were to compare the time to produce an animation which was done 15 years ago to the same animation done today, there would be a noticeable decrease in the time to complete. However, the allembracing capability of presentation would de facto not be as challenging to the eye.
Due to media such as television and film and video games, Population have become accustomed to a higher level of realism. The same animation which was used 15 years ago in a court of law, may not be as challenging or credible to an audience today.
It is foremost to leave as much time as potential to get a high capability animation and to allow time for the opponents to cross discover the animation. On average, a typical animation from a reputable forensic animator requires anywhere from a few weeks to months to complete depending on the availability of information, number of scenarios/views requested, level of realism and complexity of the animation. Unfortunately, there are still no "magic buttons" to do the manual work of a forensic animator.
Misconception #5 - "It's much too expensive"
Perhaps the most foremost piece of advice is to use a reputable and experienced forensic animator. There are some animation houses which specialize in advertizing or graphics which like to take on forensic work, but without a remarkable and experienced forensic animator, there is a higher risk that the whole animation may be inadmissible.
A remarkable forensic animator will bring to light all the options available, supply sound advice and set clear objectives up front. Setting clear objectives is perhaps one of the most overlooked points. Without knowing the expectations, the goals of the animation are often missed or not well communicated resulting in last itsybitsy changes and edits which Added growth the cost.
It is foremost the lawyers and emergency reconstructionists understand the animation process and where the number of man-hours are typically invested. Most forensic animators assessment or fee based on an hourly rate; however there are some which still prefer to quote by the case/project.
The normal rule of thumb is that as the level of realism, complexity, number of scenarios and camera views increases, then so does the cost. This is why it is foremost to understand what is being requested of an animator. For example, changing a camera view slightly has a smaller impact on cost than does adding separate animation scenarios with objects in separate locations.
By taking a second look at forensic animations and their misconceptions, it is clear that there needs to be some insight of the animating process by the client. Having an up front and open consulation about the objectives of the animation are imperative to having a determined impact on the case.
Drawing on the experience of a expert forensic animator who can expound the options ready to a client and can discuss their associated costs removes the risk of falling short of the goals and ensures animations will be admissible in court.
coarse Misconceptions About Forensic Animations
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