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Omega... it looks very good indeed, but I'm a bit puzzled by the light souce casting the shadow to the back and left when seeing the light refracting off the front and back lip of the glass directly inline with you.
Also to add more realism you need more specular effects in the refratced light cast by the ice. This is a tuff one to do as it's a combo of shadow and refracted light reflecting off the interior of the glass, in the liquid, through to the shadow beyond and even off the surface of the table (tho the amount is very low).
When atempting to make comp gen pics look light photos, I'd suggest reading up on some Professional photography books and mags. When you see how they actually made that perfect photo, all these lighting effects in your work will fall right into place.
You can see what I'm talking about by setting up a demo table and set box... the box is bottomless and with one side cut out (can be cardboard). With remaining sides and the top interior lined with black velvet resting on a wood table top similar to the one you've depected here. Then casting the light onto the glass as you have in your pic above... a 15-30w incandescent (or with a dimmer, just take into account the color temp shift when dimming (redder)) in a swivel arm lamp with reflector shade should work perfect for this. At night/evening when you can control lighting effects more accurately it will result in the best effect
Many marketing companies who handle the advertising for beverage companies (like Absolut for example) also under light the glass by cutting a small hole in the demo table and illuminate it from below. This causes the beverage/glass to stand out even more without adding additional (harsh) direct lighting.
Also to add more realism you need more specular effects in the refratced light cast by the ice. This is a tuff one to do as it's a combo of shadow and refracted light reflecting off the interior of the glass, in the liquid, through to the shadow beyond and even off the surface of the table (tho the amount is very low).
When atempting to make comp gen pics look light photos, I'd suggest reading up on some Professional photography books and mags. When you see how they actually made that perfect photo, all these lighting effects in your work will fall right into place.
You can see what I'm talking about by setting up a demo table and set box... the box is bottomless and with one side cut out (can be cardboard). With remaining sides and the top interior lined with black velvet resting on a wood table top similar to the one you've depected here. Then casting the light onto the glass as you have in your pic above... a 15-30w incandescent (or with a dimmer, just take into account the color temp shift when dimming (redder)) in a swivel arm lamp with reflector shade should work perfect for this. At night/evening when you can control lighting effects more accurately it will result in the best effect
Many marketing companies who handle the advertising for beverage companies (like Absolut for example) also under light the glass by cutting a small hole in the demo table and illuminate it from below. This causes the beverage/glass to stand out even more without adding additional (harsh) direct lighting.
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