Milk (regular) optimized

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dag
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Re: Milk (regular) optimized

Post by dag » Wed Feb 02, 2011 4:03 am

Milk (regular)
Slowest material ever forever.
Attachments
milk_top.jpg
milk.jpg

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Pibuz
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Re: Milk (regular) optimized

Post by Pibuz » Wed Feb 02, 2011 4:37 am

"You DRINK milk, you don't RENDER it"

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dag
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Re: Milk (regular) optimized

Post by dag » Wed Feb 02, 2011 5:18 am

Today I did both... at the same time too.

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Pibuz
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Re: Milk (regular) optimized

Post by Pibuz » Wed Feb 02, 2011 5:28 am

You mean you drank a glass of milk in 50 hours?

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Godzilla
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Re: Milk (regular) optimized

Post by Godzilla » Wed Feb 02, 2011 5:37 am

30 days?


30 DAYS?
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Meelis
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Re: Milk (regular) optimized

Post by Meelis » Wed Feb 02, 2011 5:39 am

dag wrote:Today I did both... at the same time too.
:lol: No way, u crazie :lol:

:shock: 722h how, what's the material?
--------

Path tracing is much faster but doesn't work always.

That's path tracing with MLT,
120h, 60k s/pix
Warning nudity
http://static3.nagi.ee/i/p/700/35/175088374fdbce_o.jpg

Material is:

Code: Select all

<?xml version="1.0" encoding="utf-8" ?>
<scenedata>
    <medium>
        <name>Milk</name>
        <precedence>6</precedence>
        <basic>
            <ior>1.34</ior>
            <cauchy_b_coeff>0</cauchy_b_coeff>
            <absorption_coefficient_spectrum>
                <rgb>
                    <rgb>1.6918 1.823898 2.484303</rgb>
                    <gamma>2.2</gamma>
                </rgb>
            </absorption_coefficient_spectrum>
            <subsurface_scattering>
                <scattering_coefficient_spectrum>
                    <uniform>
                        <value>500</value>
                    </uniform>
                </scattering_coefficient_spectrum>
                <phase_function>
                    <henyey_greenstein>
                        <g_spectrum>
                            <rgb>
                                <rgb>0.06365 0.06059 0.05779</rgb>
                                <gamma>2.2</gamma>
                            </rgb>
                        </g_spectrum>
                    </henyey_greenstein>
                </phase_function>
            </subsurface_scattering>
        </basic>
    </medium>
    <material>
        <name>Milk</name>
        <specular>
            <transparent>true</transparent>
            <internal_medium_name>Milk</internal_medium_name>
        </specular>
    </material>
</scenedata>
And this one is Bidir MLT, (slower)
10k s/pix, ~35 hours (45h, but master was paused a lot)
Image
Material is:

Code: Select all

<?xml version="1.0" encoding="utf-8" ?>
<scene>
    <medium>
        <name>Milk</name>
        <precedence>6</precedence>
        <basic>
            <ior>1.34</ior>
            <cauchy_b_coeff>0</cauchy_b_coeff>
            <absorption_coefficient_spectrum>
                <rgb>
                    <rgb>1.4143 1.7576 2.8281</rgb>
                    <gamma>2.2</gamma>
                </rgb>
            </absorption_coefficient_spectrum>
            <subsurface_scattering>
                <scattering_coefficient_spectrum>
                    <uniform>
                        <value>416</value>
                    </uniform>
                </scattering_coefficient_spectrum>
                <phase_function>
                    <henyey_greenstein>
                        <g_spectrum>
                            <rgb>
                                <rgb>0.1875 0.1785 0.17025</rgb>
                                <gamma>2.2</gamma>
                            </rgb>
                        </g_spectrum>
                    </henyey_greenstein>
                </phase_function>
            </subsurface_scattering>
        </basic>
    </medium>
    <material>
        <name>Milk</name>
        <specular>
            <internal_medium_name>Milk</internal_medium_name>
            <transparent>true</transparent>
            <layer>0</layer>
        </specular>
    </material>
    <alias_material>
        <current_name>Milk</current_name>
        <new_name>previewmaterial</new_name>
    </alias_material>
    <include>
        <pathname>PACKED_0_matpreviewscene_igmesh.igs</pathname>
    </include>
</scene>
Last edited by Meelis on Wed Feb 02, 2011 8:02 am, edited 1 time in total.

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Godzilla
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Re: Milk (regular) optimized

Post by Godzilla » Wed Feb 02, 2011 5:46 am

Great renders, very realistic.

But uh, why the um.. decal? on the glass? :wink:
samlavoie.xyz

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Meelis
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Re: Milk (regular) optimized

Post by Meelis » Wed Feb 02, 2011 5:49 am

Godzilla wrote:Great renders, very realistic.

But uh, why the um.. decal? on the glass? :wink:
Yeah it covers up too much,
I modeled new nice glass with curves in blender, maybe i re-render.
---------

3-4 super samples is minimum for such material, i guess.

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dag
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Re: Milk (regular) optimized

Post by dag » Wed Feb 02, 2011 6:58 am

http://www.home.no/faenskap/3d/scatteri ... media.html
Milk (regular)

Code: Select all

<?xml version="1.0" encoding="utf-8"?>
<scenedata>
	<medium>
		<name>milk_medium</name>
		<precedence>2</precedence>
		<basic>
			<ior>1.345</ior>
			<cauchy_b_coeff>0</cauchy_b_coeff>
			<absorption_coefficient_spectrum>
				<rgb>
					<rgb>
						1.533 4.6 19.933
					</rgb>
					<gamma>1</gamma>
				</rgb>
			</absorption_coefficient_spectrum>
			<subsurface_scattering>
					<scattering_coefficient_spectrum>
						<rgb>
							<rgb>
								18205.3 20382.6 22369.8
							</rgb>
							<gamma>1</gamma>
						</rgb>
					</scattering_coefficient_spectrum>
					<phase_function>
						<henyey_greenstein>
							<g_spectrum>
								<rgb>
									<rgb>
										0.75 0.714 0.681
									</rgb>
									<gamma>1</gamma>
								</rgb>
							</g_spectrum>
						</henyey_greenstein>
					</phase_function>
			</subsurface_scattering>
		</basic>
	</medium>
	<material>
		<name>milk</name>
		<specular>
			<internal_medium_name>milk_medium</internal_medium_name>
			<transparent>true</transparent>
			<layer>0</layer>
		</specular>
	</material>

</scenedata>

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Meelis
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Re: Milk (regular) optimized

Post by Meelis » Wed Feb 02, 2011 7:54 am

Yeah that's pretty high scattering value (20 000).

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dcm
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Re: Milk (regular) optimized

Post by dcm » Wed Feb 02, 2011 9:02 am

722hrs...damn, 15minutes with vray and same look :shock: :lol:

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suvakas
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Re: Milk (regular) optimized

Post by suvakas » Wed Feb 02, 2011 9:10 am

Milk and breasts ? Uhm..Ok, I suppose they match, kind of.. 8)

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Meelis
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Re: Milk (regular) optimized

Post by Meelis » Wed Feb 02, 2011 9:19 am

suvakas wrote:Milk and breasts ? Uhm..Ok, I suppose they match, kind of.. 8)
Yep :D

Lemo
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Re: Milk (regular) optimized

Post by Lemo » Wed Feb 02, 2011 12:48 pm

30 days milk with a hundred percent unbiased physical renderer :lol:
Attachments
milk.jpg

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Godzilla
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Re: Milk (regular) optimized

Post by Godzilla » Wed Feb 02, 2011 12:50 pm

iseewutudidthar.jpg
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