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3 Dimensional Chat / what is a poly?

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jasonhtml
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Posted: 17th Aug 2004 04:34
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what is a poly? i know it stands for polygon, but is it the faces, edges, or points in an object? im trying to figure out how many polys my object is...

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BCRICH WARLOCK
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Posted: 17th Aug 2004 04:40
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Faces Man Faces
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jasonhtml
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Posted: 17th Aug 2004 04:42
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thx man thx

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"People don't fail, they stop trying" - Lost in Thought
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BCRICH WARLOCK
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Posted: 17th Aug 2004 04:44
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No Problem Man No Problem
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Programmer Holic
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Posted: 17th Aug 2004 06:04
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lol man lol
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BCRICH WARLOCK
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Posted: 17th Aug 2004 07:24
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We Gotta stop This Man gotta Stop
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Oneka
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Posted: 17th Aug 2004 10:44
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yeah man yeah


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Oh yeah and just so you know its Oh-nek-a not One-ka!
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Mitchell
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Posted: 17th Aug 2004 11:08
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let me be the first to stop

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General X
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Posted: 17th Aug 2004 11:34
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may I start it again! I repeat may I start it again!

over...

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Dgamer
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Posted: 17th Aug 2004 11:35 Edited at: 17th Aug 2004 11:37
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Isn't it triangle=face?
[edit] nope never mind. Theyre the same thing.

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Peter H
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Posted: 17th Aug 2004 11:39 Edited at: 17th Aug 2004 11:39
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sort of..the face is the direction the poly is "facing"(the side from which it's visible) a poly could have two faces

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JeBuS
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Posted: 17th Aug 2004 13:18
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A polygon can be more than just a triangle. It can be 4 sided, 5 sided, 95 sided. The only limiting factor is that it must be flat, like a plane.
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QuothTheRaven
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Posted: 17th Aug 2004 14:58
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Quote: "A polygon can be more than just a triangle. It can be 4 sided, 5 sided, 95 sided. The only limiting factor is that it must be flat, like a plane."


Nope. A polygonal face is ALWAYS a triangle. You can arrange them in other shapes, but everything is broken down into triangles in an object.

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John H
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Posted: 17th Aug 2004 15:06
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Quoth is right. When modelling, everything is made out of triangles called 'polygons'


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JeBuS
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Posted: 17th Aug 2004 15:15 Edited at: 17th Aug 2004 15:28
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Nope. The triangles are faces, and also polygons, but a polygon is any flat plane-like object with 3 or more line segments making up its borders. You can argue with me all you like, but go ahead and check a dictionary and the documentation of a real modelling program and you'll see.

From 3ds Max 6 reference manual: "A polygon is a closed sequence of three or more edges connected by a surface."

From dictionary.com: "A closed plane figure bounded by three or more line segments."

As a side note, it is advisable if using 3ds Max to make your polygons 4 sided for purposes of memory usage, and also smoothing effects you may add later.
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Matic
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Posted: 17th Aug 2004 17:06
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that is why a object kane have 300 polys but 550 faces/triangles so that is why i allways say how many tris there is in my object and not polys
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jasonhtml
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Posted: 18th Aug 2004 01:11
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now im getting confused is it a triangle or a face?

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Van B
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Posted: 18th Aug 2004 01:22
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When you load your model into DBPro each polygon is 3 vertices or points - so really it matters very little what your modelling program calls it - a polygon is a 3D triangle made from 3 points in space.


Van-B


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zircher
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Posted: 18th Aug 2004 01:31
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A polygon has two faces, front and back.
A triangle has two faces, front and back.
The way most polygons are rendered, only one face is visible.
The smallest polygon is a triangle. (Three points define a plane.)
Many editors use quad polygons to make smoother meshes.
Any polygon can be reduced to a number of triangles.
Nearly all graphics processors convert polygons into triangles internally.
A triangle requires three vertices (usually called verts), a quad polygon requires four verts. So, a quad poly model takes up less storage space on disk. A triangulated model takes up more space since you need six verts to describe a quad poly based on two triangles.

Clear as mud?
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TAZ

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