Camera reflection issue

[hie5]

Hi everyone,

 

This is my first time posting in this forum and I hope to get some help from the seniors here.

 

Lately I have been doing renderings for interior spaces using:

 

3D Max 9 with Vray.

 

I am facing an issue regarding reflection of objects in the space. (hope I am using the correct term)

 

For example:

 

I have a pendant lamp located at the bar counter within the kitchen area.

 

After which, I have a coffee table in the living room. When my coffee table is finished with gloss/polish finishes (meaning it will see reflections) instead of reflecting what is directly above, I end up seeing the reflection of the pendant lighting in the kitchen instead.

 

I do not know why reflection of kitchen objects ends up showing on the coffee table in the living room.

 

I hope anyone who has read about such a problem or had experience dealing with it can kindly give me some advice to this.

 

Appreciate all help that you can provide.

 

Thank you

Hie5

[Ricardo Eloy]

Hard to figure anything out without seeing the picture. The one thing that comes to my mind, though, is that you are probably expecting to see something you are not meant to. My guess is that the reflection is indeed correct, but you are thinking you should see something else. Again, post a picture so we can better understand the situation.

[hie5]

Hard to figure anything out without seeing the picture. The one thing that comes to my mind, though, is that you are probably expecting to see something you are not meant to. My guess is that the reflection is indeed correct, but you are thinking you should see something else. Again, post a picture so we can better understand the situation.

 

Hi Rick,

 

Thank you for the swift reply. I can't post any images because there is a 10 post requirement before any member can post image.

 

Thank you

Hie5

[hie5]

Hi Rick,

 

Sorry it took me awhile.

 

Here are the images:

 

 

1. Notice the pendant lighting hung in the background above the custom dinning counter.

 

2. However, the reflection is shown in the living room coffee table.

 

3. I will also post my camera settings below so you can see if that may be the cause of the problem.

 

Image sample:

 

My custom camera setting:

 

 

Thank you

[Tommy L]

the reflection is correct.....however, some reflections can become a bit wierd if there are smoothing groups applied to the geometry. But I doint think thats the case here.

Stand in front of a mirror for a while. Walk in front of shiny things, like curtain walling. Light travels in straight lines (for our purposes). Understanding light is very important in our business.

Edited January 4, 2010 by Tommy L

[hie5]

Light travels in straight lines (for our purposes). Understanding light is very important in our business.

 

Noted this point. Thanks

[Peter M. Gruhn]

The mechanism here is that reflecting light makes the same angle going away from a surface as it did coming in.

 

The stuff right above the table shoots light straight down and that bounces straight up again (see item A) over your head.

 

The stuff far away shoots light in at a glancing angle that skips back up into your eye/camera.

 

ASIDE: Note that the image in the reflection is how the object is seen from the point of view of the reflecting surface. This is a great way to spot faked images. Ask yourself "if I moved myself over to where that mirror is, how would the perspective of what's being reflected change? Did it change that way in this image?" This is also a useful thing to know if you want to look around corners or get a better look at somebody on the train.

[hie5]

The mechanism here is that reflecting light makes the same angle going away from a surface as it did coming in.

 

The stuff right above the table shoots light straight down and that bounces straight up again (see item A) over your head.

 

The stuff far away shoots light in at a glancing angle that skips back up into your eye/camera.

 

ASIDE: Note that the image in the reflection is how the object is seen from the point of view of the reflecting surface. This is a great way to spot faked images. Ask yourself "if I moved myself over to where that mirror is, how would the perspective of what's being reflected change? Did it change that way in this image?" This is also a useful thing to know if you want to look around corners or get a better look at somebody on the train.

 

 

Understood. Thank you for explaining.

 

I also discovered the same views over some photos today which I saw.

 

I notice that it also has something to do with where the camera is pointed towards, in the sense, the camera location and where its looking towards is just like the human you drew and where its looking at.

 

Its more understandable now after you guys have highlighted the possibilities.

 

My deepest thanks to everyone who have helped explain this.

 

Thank you

Hie5