Austrian emperor crown

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Re: Austrian emperor crown

Postby Rhys » Wed Mar 18, 2009 9:19 pm

Oh dear thats nice! :o
Is that your velvet material from the mat db?

Maybe the jewel on the top is more square/kite shaped on the real one than yours is?
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Re: Austrian emperor crown

Postby loramel » Thu Mar 19, 2009 3:33 am

Rhys wrote:Oh dear thats nice! :o
Is that your velvet material from the mat db?

Maybe the jewel on the top is more square/kite shaped on the real one than yours is?


Yes, its my velvet mat, just used with other colors :)

About the jewel, I am not so sure.

See here all my high quality ( :D ) ref pics. I think the saphire is not cut but has a smooth surface. I should add some more bumps though.
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saphire.jpg
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Re: Austrian emperor crown

Postby Radiance » Thu Mar 19, 2009 8:43 am

beatifull :)

i *really* can't wait to see the final :)

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Re: Austrian emperor crown

Postby Poncho » Thu Mar 19, 2009 11:05 am

superb. high quality render will be amazing.

some small crits in the attached image. hope you don't mind.

other crit. the texture on ring (the white with red symbols) is looking a bit stretched and I hope it's high quality (else it looks bad in high quality render). did you recreate the symbols in vector or model them? they also look a bit different than original.

small-crit.jpg


edit: color not the same is about the blue stone. :)
Cheers!
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Re: Austrian emperor crown

Postby loramel » Thu Mar 19, 2009 11:27 am

Hey, thanks poncho for this close look :), now you've gotten me :P

about your points:

- saphire color not the same:
yes, I hope I have this better in my actual version. It seems that the original stone has some imperfections in it which cause the colour diversity.

- relief looking like scratches:
yes again: I tried to generate a bump map from the very few ref pics. This is not optimal. I have to be very careful increasing the bump settings. I will have to see how this works out in higher resolutions.

- original has a bit green:
now you have quite keen eyes :). Yes, again. I may add this little something, if I only knew what it is ....

- stretching
I see, what you mean. I may see if I can optimize the uv mapping here. The images are not recreated, I hoped to get away with the reference. They are high res, but not high quality, so again I will check what the high res render will look like and decide my further options.
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Re: Austrian emperor crown

Postby jeanphi » Thu Mar 19, 2009 11:43 am

Hi,

For the sapphire, you won't be able to make it more real until there is absorption support. To make it top notch you would even need light polarization support (I don't think sapphires require birefringency though).

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Re: Austrian emperor crown

Postby loramel » Thu Mar 19, 2009 1:12 pm

This is the first high res render after 1hr of cooking at 40S/px.

For some reason the pearl holders for the 3 big pearls on the big lilies are not rendered :o ( I have to look into this and see if this is me or lux :) )
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crown_final_08.jpg
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Re: Austrian emperor crown

Postby Poncho » Thu Mar 19, 2009 1:53 pm

great render. the gold looks very real.

some things I noticed. hehe, another crit. if you don't want them, tell me.

smallcrit2.jpg
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Re: Austrian emperor crown

Postby loramel » Thu Mar 19, 2009 2:56 pm

Poncho wrote:... hehe, another crit. if you don't want them, tell me.


No, by all means, keep them coming. I am very thankful about this. Its very valuable to have an unbiased outside view. After those many hours staring at all the details I am sometimes kind of blind for the obvious :)

Now to your points:
- black spot:
Good catch ! Thats the artifact I think you have experienced too. Its subdivisioned objects with uv mapping and seams. At the seams you can get these holes. I was afraid there might still be some left.

- more white/bright
I think you are right. I might have turned it too much down in the other lighting setup.

- supposed to be clear/red
uhm, yes. Have to check this out.

- red dot:
Well, maybe not done very correctly, but yes there are those red dots there
see here
red_dot.jpg


I aborted the current render to correct some things I noticed, especially some values for bump mappings. Right now I am investigating the vanished pearl holders. There has to be some strange attribute as they are exported but whatever I do they are always placed at the same location, orientation and size. If nothing helps I may have to remodel them again :?
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Re: Austrian emperor crown

Postby MadSwede » Thu Mar 19, 2009 4:41 pm

loramel wrote:Right now I am investigating the vanished pearl holders. There has to be some strange attribute as they are exported but whatever I do they are always placed at the same location, orientation and size. If nothing helps I may have to remodel them again :?

Have you checked if you've accidentally linked an IPO to them?

At first glance of this image you'd be accused of grand theft on a national level, beware of the state security. :lol:
Seriously though, incredibly impressive work!
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