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Support for unlicensed users => Post here if you can't find your License Key => Topic started by: SketchLA on November 20, 2011, 12:39:19 am

Title: Water Question
Post by: SketchLA on November 20, 2011, 12:39:19 am
Why did the water material change from sp2 to sp7?  My old water used to have really smooth ripples and waves, and the new water is a lot flatter, the caustics are different, the tiling is different...etc.

Im not sure which is better, but I kind of liked the old water material from sp2.  I tried messing around with every single parameter in the water material properties but I cant replicate what I use to have in sp2.

Why? (currently running sp7).
Title: Re: Water Question
Post by: Morten on November 21, 2011, 12:41:00 pm
I assume you mean SP2 Build 2 vs SP2 Build 7?

I'd be happy to answer that question - if I knew the answer - but I can't test it as I no longer have SP2 Build 2 installed.
Title: Re: Water Question
Post by: Morten on November 21, 2011, 03:15:16 pm
Do you mean how to assign the Waterfall material to one of your objects? (Edit materials -> Custom -> Waterfall)

Or are you asking what the individual sliders in the Waterfall material do?
Title: Re: Water Question
Post by: SketchLA on November 21, 2011, 07:56:21 pm
I assume you mean SP2 Build 2 vs SP2 Build 7?

I'd be happy to answer that question - if I knew the answer - but I can't test it as I no longer have SP2 Build 2 installed.

Ok i'll put together a water test and I'll post two images showing the difference between build2 and build7. 
Title: Re: Water Question
Post by: SketchLA on November 22, 2011, 02:10:42 am
Hi Morten,

Here are the results of the water test.  Exact same scene, exact same water settings for both.

And when I said sp2 I actually meant Lumion Update 1.  I got the versions mixed up.


Lumion 1 SP2, Build 7 Water:
(https://lh3.googleusercontent.com/-FijwtGv3AgI/Tsr1eKRIhSI/AAAAAAAABRo/6Jxb8dWkbZc/s640/sp7%252520water.jpg)

Lumion 1, Update 1 Water:
(https://lh4.googleusercontent.com/-7KaDxDJWfTQ/Tsr1eQTcWgI/AAAAAAAABRw/OvVTogvb8p0/s640/update1%252520water.jpg)

Settings for both:
(https://lh4.googleusercontent.com/-PFYPTe0cMd4/Tsr1TVv8thI/AAAAAAAABRg/y8uDbYxbfbg/s640/water%252520settings%252520both.jpg)
Title: Re: Water Question
Post by: Gaieus on November 22, 2011, 08:58:15 am
what material would i use, please ?

The Waterfall material. Simply start painting your imported object (now I have a pile of sacks in my scene) and there should be a Waterfall material (with the environment pack I think but you ar on ultimate so you have it anyway).

If the water surface is horizontal, you won't see too much difference but the more slanting/vertical it is, the more dynamic the waterfall will be.
Title: Re: Water Question
Post by: Morten on November 22, 2011, 11:54:29 am
and where abouts is this Waterfall material please ?

How to assign the Waterfall material to a surface
1) Select a model that you want to assign the Waterfall material to
2) Edit materials -> [ + ] -> Click on the desired surface of the object -> Custom material tab -> Waterfall (as per Gaieus' screenshot above)

if i make the object a PNG , can i make it invisible ?

How to make a surface invisible
1) Select a model that you want to make (partly or wholly) invisible
2) Edit materials -> [ + ] -> Click on the desired surface of the object -> Custom material tab -> Invisible
Title: Re: Water Question
Post by: Gaieus on November 22, 2011, 01:08:05 pm
...and where abouts is this Waterfall material please ?
See my screenshot above..

As for the sacks: that was the first model in my library when added an object. :)

I could've modelled a waterfall too.
Title: Re: Water Question
Post by: Morten on November 22, 2011, 02:53:25 pm
Sorry, Daz - you lost me... ???

Can you describe what you want to achieve by hiding the object with the Waterfall material?
Title: Re: Water Question
Post by: SketchLA on November 22, 2011, 05:33:47 pm
Sorry, Daz - you lost me... ???

Can you describe what you want to achieve by hiding the object with the Waterfall material?

Morten...Any thoughts on the original topic/question?   ???
Title: Re: Water Question
Post by: Morten on November 22, 2011, 06:12:37 pm
Sorry, your original post was hijacked :)

Anyway, I have no problems making the water look like your SP1 screenshot - in fact it looks a bit better with the specular highlights in SP2...

I'm guessing the Fresnel slider changed in SP2...

Try these settings, and let me know how you get on...
Title: Re: Water Question
Post by: Architectural Innovation on November 22, 2011, 09:42:59 pm
Daz, i think you are thinking of the waterfall as an "effect" but i think it is a "material" that gets applied to something. i think....
Title: Re: Water Question
Post by: Aaron on November 22, 2011, 11:03:19 pm
The fountains are a  single particle emitter (with a bunch of presets) with a material/shader assigned to it. Think of the particle emitter as the object.

The Waterfall material is a material/shader to be assigned to just about anything you desire.
No particles here but if you model a nice waterfall-mesh, you can create really nice results.

I guess they could have added some basic waterfall meshes (presets so to speak) but as presets go most of those are totally useless anyways so I'm glad they didn't.

Hope this helps...kinda...or a bit, or both, or whatever  :D

Title: Re: Water Question
Post by: Aaron on November 23, 2011, 04:21:26 am
if i created a material in PS, using real waterfall.....as in the photo....would the lumion waterfall fx recognize the png , with transparency ?

As it doesn't come with custom texture options, unfortunately no.
I've done a bit of experimenting and below are some shots of what I got from a simple donut
with some noise added to it. Oh and the water material. I didn't use the waterfall one but instead I just animated the donut so it loops around. Imagine what you'll get from a properly modeled mesh (like an even better donut!)  :7

Title: Re: Water Question
Post by: ekius37 on November 25, 2011, 07:37:34 pm
I used to love "water from lumion 1.0" than the "water from lumion 2.0 sp7" ?
I am still confused, and wanna change version back. :(
Title: Re: Water Question
Post by: Morten on November 25, 2011, 08:45:52 pm
Can you explain what it is about the water that you liked better in Lumion 1 SP1?

As I demonstrated a little earlier in this thread, I think you can achieve the same effects in Lumion 1 SP2 Build 8, but with better specular reflections (and foam along the edges and in shallow water):

http://lumion3d.com/forum/index.php?topic=2392.msg14769#msg14769 (http://lumion3d.com/forum/index.php?topic=2392.msg14769#msg14769)

In addition, there's also an ocean in Lumion 1 SP2 Build 8 which you didn't have in Lumion 1 SP1.
Title: Re: Water Question
Post by: palosanto on December 01, 2011, 08:29:32 am
If the water surface is horizontal, you won't see too much difference but the more slanting/vertical it is, the more dynamic the waterfall will be.

Sorry to jump in but on that subject, today I experimented with a mesh shaped like a ship's wake hoping that using the waterfall material, I would be able to achieve the moving wave/foam effect while the ship is moving fwd.  But like you said, the effect works best only vertically or at very steep angles (like you would expect from water falling anyways .... gravity, remember?).  However, it would be great to have an extra attribute to be able to use the effect in horizontal meshes or planes to achiev the ship wake effect or any object moving on a water surface ...
As a naval architect and 3d visualization artist specializing in ships, I've been struggling for years trying to create convincing water and wave effects with my ships specially with animations.   When I first encounter Lumion I thought that my dreams were coming true.  And they have definitely come close to that with the ability of creating great coastlines and moving ocean water with such ease and renderings speed.  I have big hopes that with the coming animation module and other enhancements I'll be able to make more convincing scenes.   Keep up the good work Lumion people !
www.stxmarine.com/3dmain.html (http://www.stxmarine.com/3dmain.html)