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Hello,i'm currently writing some research article and FYI, English is my second language and eventhough if I good in programming, my english is about secondary school level. So, i need help from you guys to check some sentences that i had problems with it.
Bounding volume hierarchies (BVH) provides one of the common solutions to detect interference between objects. It can be represented as a tree structure comprising a root node and its child nodes. BVH is easy to implement and can be used in different type of queries to trace intersection for ray tracing and collision detection application. When we deal with BVH, there are a few factors that need to be considered. Designing hierarchy tree require several consideration. First, what is the suitable bounding volume shape or geometric model can be used, for example, what is the best structure of the hierarchy (binary, quad, or etc), how to create a balance tree hierarchy, what kind of traverse technique suit with the hierarchy requirement, and few others. In short, there are some trade off and further considerations need to be taken into account before we start to create our own hierarchy.

The common approach to make faster intersection is to apply bounding-volumes scheme (Ref Ref). Each of the objects will be bounded with simple geometric volumes such as spheres, boxes or any type bounding-volumes. It is quite significant to perform collision detection test between objects that have been enclosed with bounding-volumes. In other words, high calculation involving primitive collision checking between complex objects can be abandon in the first place. Therefore, the computation cost of detecting object interference in 3D simulation can be lowered as the complexity of the object is reduced.

So, for the first part, what about those sentences?
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Try:
Bounding volume hierarchies (BVH) is a common method to detect interference between objects. It can be represented as a tree structure comprising a root node and its child nodes. BVH is easy to implement and can be used in ray tracing and collision detection applications to detect tracing intersections.
There are a few factors that need to be considered when designing a hierarchy tree. First, what is the suitable bounding volume shape or geometric model that can be used? For example, what is the best structure for the hierarchy (binary, quad, or etc), how to create a balance tree hierarchy, and what kind of traverse technique is best suited with the hierarchy requirement? In short, there are some trade-off that need to be considered before we create the hierarchy.

One common approach is to make a faster intersection is to apply bounding-volumes scheme (Ref Ref). Each object will be bounded with simple geometric volumes such as spheres, boxes or any type bounding-volumes.
It is quite significant to perform collision detection test between objects that have been enclosed with bounding-volumes. (I don't understand this)
In other words, intensive calculations involving primitive collision checking between complex objects can be abandoned. This will reduce the computation cost of detecting object interference in 3D simulations because the complexity of the object is reduced.

Chris
Comments  
Students: We have free audio pronunciation exercises.
Bounding volume hierarchies (BVH) provides one of the common solutions to detect interference between objects. It can be represented as a tree structure comprising comprised of a root node and its child nodes. BVH is easy to implement and can be used in different types of queries to trace intersections for ray tracing and collision detection applications. When we deal with BVH, there are a few factors that need to be considered. Designing hierarchy trees require several considerations. First, what is the suitable bounding volume shape or geometric model can be used?, for example, What is the best structure of the hierarchy (binary, quad, or etc.)? How to does one create a balance tree hierarchy and what kinds of traverse techniques suit with the hierarchy requirements, and few others? In short, there are some trade offs and further considerations that need to be taken into account before we start to create our own hierarchy.

The common approach tofor making faster intersections is to apply bounding-volumes scheme (Ref Ref). Each of the objects will be bounded with simple geometric volumes such as spheres, boxes or any type bounding-volumes. It is quite significant to perform collision detection tests between objects that have been enclosed with bounding-volumes. In other words, high calculation involving primitive collision checking between complex objects can be abandoned in the first place. Therefore, the computation cost of detecting object interference in 3D simulation can be lowered as the complexity of the object is reduced.

Hope these suggestions help!

K.
Wow.thanks guy.i will be back with another sentences check.FYI,before this my english is quite disasterous..after many weeks of self-study english through web and and my supervisor,I slowly becoming average in english i think.but still long way to go.

p/s - maybe you guys could comment my post message.whether my english is bad or average(I
m not dare to say good cuz i know there is still far to go. ^^)