gap dilemma

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gap dilemma

Postby dohyungkim » Wed Sep 13, 2017 10:21 am

how many of you consider about the gap when modeling?

I've watched many housebuild tutorial and found out quite many people
leave doubled face as is.

what I mean by that is if you look at the image below

left one(no gap) is presenting general way of modeling for wall and window frame
there's no gap, physically doesn't make sense.

right one has 0.01m gap btw wall and window frame.

similar case when you give seams btw part to part...

which one is efficient when you do vray rendering??
(window frame and wall grouped separately by the way)
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Last edited by dohyungkim on Wed Sep 13, 2017 12:03 pm, edited 1 time in total.

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Re: gap dilemma

Postby Pixero » Wed Sep 13, 2017 10:34 am

I can't see any image.
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Re: gap dilemma

Postby rv1974 » Wed Sep 13, 2017 2:21 pm

Gap.. for what?
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Re: gap dilemma

Postby Pixero » Wed Sep 13, 2017 5:33 pm

Instead of a gap you could try to inset the window a couple of cm. that creates a tiny shadow that tends to look good in a render.
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Re: gap dilemma

Postby dohyungkim » Wed Sep 13, 2017 6:01 pm

Pixero wrote:Instead of a gap you could try to inset the window a couple of cm. that creates a tiny shadow that tends to look good in a render.


thanx for replying

I'm wondering how you guys manage where two surfaces overlapped.
(in case you don't make any gap btw parts to parts)

literally isn't that software error to have it on modeling??
sketchup also shows those surfaces with fuzzy broken look...

but It seems ok to have it just for rendering unless I actually bring it in real life
hmmmm...
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Re: gap dilemma

Postby pbacot » Wed Sep 13, 2017 6:24 pm

If you have two faces that coincide and are hidden, there's no problem. If they coincide and show, that is not good, and it also relates to what would be physically impossible. Make simple shapes, e.g. a window frame that act like the real (more complex shape) and this shouldn't happen or just be careful and frugal about how you represent surfaces. Doubled faces in some cases mean you've drawn more than you have to. You could find ways to add the realistic gap and sometimes you need to add a groove or recess for good rendering but you could get caught-up wasting time and effort trying to do this throughout your whole model.
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Re: gap dilemma

Postby dohyungkim » Wed Sep 13, 2017 6:44 pm

pbacot wrote:If you have two faces that coincide and are hidden, there's no problem. If they coincide and show, that is not good, and it also relates to what would be physically impossible. Make simple shapes, e.g. a window frame that act like the real (more complex shape) and this shouldn't happen or just be careful and frugal about how you represent surfaces. Doubled faces in some cases mean you've drawn more than you have to.




clear!
I was asking that question becuz I was just confused if I have to approach that physically correct or not.


thanx again!!
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