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Realistic reflections

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  #1  
Old 10-11-2007, 05:29 PM
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MR.BIG MR.BIG is offline
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Realistic reflections

Hi to everyone : )

Can someone please explane to me how to make realistic reflection in case when object doesnt have flat bottom ?
Or , we look at the object from different angle.
Like this plastic tube on the picture .......

I have tried but this is absolutely not right
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File Type: jpg reflection.jpg (24.7 KB, 135 views)

Last edited by MR.BIG; 10-11-2007 at 06:11 PM.
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Old 10-11-2007, 09:18 PM
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AdamZx3 AdamZx3 is offline
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Re: Realistic reflections

Duplicate the object on another layer, then flip vertically, align like in the picture, then add a mask using a white to black gradient to make it fade away. Adjust the opacity to 30% or so (depending on object and background).

As as on an angle that can be tricky, depends a lot on the object and angle. I did one on a lowrider truck and you could get away with using the perspective and skew adjustments under the free transform tool, and a heathly dose of cutting pieces and cloning in the gaps...not all projects will allow for this.

Do you have an image we can see, that would help.
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Old 10-12-2007, 08:51 AM
KR1156 KR1156 is offline
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Re: Realistic reflections

if you absolutely cannot re-shoot this with reflection, then try duping the masked out cylinder, flop it vertically, and use the transform mesh tool to do your as much as you can, then finish up with some liquify filter to round it out as best as possible.

try to do as little as possible in liquify, depending on your resolution, because it will tuen into whole 'nother project to replace those stretched out pixels you ended up with after liquifying it.

here's a ROUGH sketch of how it should look, somewhat.
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Old 10-12-2007, 05:25 PM
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MR.BIG MR.BIG is offline
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Re: Realistic reflections

Thank You all for helping me out .....

I can not reshoot those objects , because they are 3D models

I will prepare the image tonight to show you what I need to do, so ...... I`ll need more help
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Old 10-12-2007, 06:09 PM
pixelzombie pixelzombie is offline
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Re: Realistic reflections

if they are 3d models, can't you make the reflection during the rendering?
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Old 10-13-2007, 05:16 PM
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Re: Realistic reflections

Ooooh ic what you mean, I thought your pic was the desired end result Your cylinder needs some shadowing to make it look 3d.

I agree with pixelzombie, it would be much better to do it in your 3D app. If you cant get it to reflect on a 3d plane then try and mirror it on the x or y axis and pull it down on the z axis until the bottoms are touching. Add a different shader and reduce the opacity so it fades away...or do that in photoshop after if you want.

**edit
The mesh might show through if you reduce the transparency so you see through to the other side...I forget how to make it not render anything that might have polygons facing the camera, its been a few years since ive used 3dsmax or maya.
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Old 10-14-2007, 04:21 AM
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Re: Realistic reflections

Thank you all .... again ....... first I`ll try to render reflections in Maya (but I`m not that good in 3D apl. )

This is the almost final image ........ and these reflections are no good at all ...... tonight I`ll try to make them by yours advices ...

I must pull this because I have whole series of ads that I need to do with these plastic containers..
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File Type: jpg Koloseum-pillars2-copy.jpg (78.1 KB, 113 views)
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Old 10-14-2007, 07:16 AM
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Re: Realistic reflections

There is a nice video on http://www.russellbrown.com/tips_tech.html on this topic.
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Old 10-14-2007, 09:52 AM
KR1156 KR1156 is offline
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Re: Realistic reflections

why don't you upload 1 of those containers, by itself, and we'll take a stab at it and see if we can help you with it, that's if you can't do it in your 3-d program.
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  #10  
Old 10-14-2007, 10:19 AM
Cassidy Cassidy is offline
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Re: Realistic reflections

It looks like it's a perspective issue to me
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