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Logo on a beach
show user profile  npcph
So i'm working on a poster image of my companies logo laying out on a beach. I modeled the entire logo out in 3d and textured it. What i want to do is have the logo laying on the beach with a wave rolling in. I want to have the logo shiny and reflecting the environment with an hdri image using Mental Ray. I have the sample that gave me the idea. And then i put the logo onto the image to see if i could get the hdri to work. Not working so well yet. i've adjusted the parameters as much as i could and no luck. Anyone have any other tutorials that work for HDRi and mental ray and any tutorials on making the water like in the image. If i can't create the wave, i can get the high res of the beach so not a big deal.

this is the tutorial i was reading through for the hdri setup.

thanks everyone.

read 971 times
9/8/2011 6:16:17 PM (last edit: 9/8/2011 6:16:17 PM)
show user profile  npcph
Nothing??????? No thoughts, links, suggestions??????

Just tumble weeds?

read 932 times
9/8/2011 8:41:37 PM (last edit: 9/8/2011 8:41:37 PM)
show user profile  Nik Clark
First thing I'd do is give the logo a pure reflection (chrome) while you get the environment sorted. Once you've got that, work on the materials.

If that is chrome, check the setup of the HDR file, to set the correct levels for it and your exposure settings.

read 922 times
9/8/2011 8:53:58 PM (last edit: 9/8/2011 8:57:36 PM)
show user profile  advance-software
not regarding the problems you're having but I'd centre the logo vertically in the sand area.

the backdrop in the top one looks way better so maybe use that & ps out the welcome.
read 913 times
9/8/2011 9:06:08 PM (last edit: 9/8/2011 9:07:30 PM)
show user profile  Nik Clark
Just buy an awesome, high-res one from a stock photo site. Cheap, simple and great results.

read 910 times
9/8/2011 9:09:42 PM (last edit: 9/8/2011 9:09:42 PM)
show user profile  npcph
The images in the top and bottom are the same i just removed the welcome in photoshop and placed it on a plane in max. I then tried an hdr setup but the results were the bottom image. I can buy the higher res version, but i can't get the hdr sorted out. i've never used one and the tutorials that i started with gave me this result. i wanted to see if anyone had a better tutorial for setting up HDR.

and the material that i used was the satin gold and the paint flaked satin.

read 898 times
9/8/2011 9:39:54 PM (last edit: 9/8/2011 9:41:50 PM)
show user profile  npcph
so I've been working on this and nothing seems to be working right. as i render, the top of everything is just black no matter what i do. so i merged the geometry into a new file and did some clay renders to check the geometry.

read 886 times
9/8/2011 10:29:31 PM (last edit: 9/8/2011 10:29:31 PM)
show user profile  ScotlandDave
If u go to view menu i think it is on the viewport and then x-view ( if u have one of the more recent versions of max ) there`s an option in there to view normals - ie normals will show green reversed ones will show red.. The clay render above looks ok though..

Regards the hdri setup, what Nik said really, the hdri setup when initially importing it is important as is mental rays exposure control settings - i`d suggest looking for a more up to date and relevant tutorial..

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read 874 times
9/8/2011 10:48:23 PM (last edit: 9/8/2011 10:48:23 PM)
show user profile  Coxy
You could maybe do something with particles and give the waves height colours based on whatever the distance in the flat axis is? Not sure how well that would work, have never tried it. I did see it used in a tutorial once, well not the particles thing, but giving water colour information based on height and that worked well. I will try and find it. Another option is to see what the trial versions of the fluid simulators can offer you. You might be able to get a 30 day trial of realflow to play around with, which might do what you need.

Not sure if this is useful for the sand? Added a few links I have found regarding water. The ocean waves plugin looks nice.

For the HDRI, make sure it is spherical, or cylindrical based on whatever the map is. Usually you need to drop the exposure of your camera right down when you use HDRI, most of the HDRI's I have ever used have had an exposure value around 0, maybe -1, or -2. Also when you import the image and the screen with the pink information come up, you need to move the slider until all the pink dissappears and then set the RGB Level in the output settings of the image to whatever the lower value white point is in the HDRI import options.
read 867 times
9/8/2011 11:08:08 PM (last edit: 9/8/2011 11:30:22 PM)
show user profile  mrgrotey
Are you using the hdri properly? choose the hdri file then increase the linear value until no more pink is seen in the preview image, then use the same linear value in the rgb level box in the dhri's Output roll out, it looks like its set at the default value to me.

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read 847 times
9/8/2011 11:58:02 PM (last edit: 9/8/2011 11:58:41 PM)
show user profile  npcph
thanks for the help everyone.

ScotlandDave... Thanks for the tip. I found that for some reason a couple of the parts were changed to "see through" under object properties. Not sure how that happened but i must have hit something while editing them.

Coxy...I has seen the wave tutorial, but what i really wanted was the waves rolling up on the beach.

Grotey.. thanks for the jing. I didn't know about the part where you adjust the level and matching the rbg level withit. That made a huge difference.

Here are a few more renders. Getting closer, but not there yet. You can see that i have 1 light at an angle. that is the one illuminating the whole scene and casting shadows. The two that are next to each other to illuminate only. one is for the logo and the other is to the beach.

The HDR image isn't doing what i thought it would. the tops of the letters are in a high gloss metal flake car paint from the default materials. i thought i would get more of a reflection / shiny ness from them. any thoughts on what i might be missing?

Any tips on how to get a more realistic effect? it still looks cartoony / cg.

read 777 times
9/9/2011 6:45:52 PM (last edit: 9/9/2011 6:45:52 PM)
show user profile  mrgrotey
no skylight?

read 772 times
9/9/2011 6:50:37 PM (last edit: 9/9/2011 6:50:37 PM)
show user profile  Dr. Jim

I guess I might be missing what you are going for....
But it seems like some nice reflective metallic materias, some displacement on the sand,...a good reflection map..etc and you would be done.

read 759 times
9/9/2011 8:30:47 PM (last edit: 9/9/2011 8:30:47 PM)
show user profile  npcph
another update. Added the skylight and some bump to the sand and water.

read 756 times
9/9/2011 8:46:19 PM (last edit: 9/9/2011 8:47:20 PM)
show user profile  Dr. Jim
Again mate....not sure what your exact intent is.....I just threw together a quicky........metal material (highly reflective, .9 glosiness)
Tossed a amber sunset image into the enviro slot
Made a discplacement map for the sand.

read 744 times
9/9/2011 9:14:52 PM (last edit: 9/9/2011 9:15:45 PM)
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