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Houdini Lounge » Questions about lights and textures


Dragon Ranger: 18 posts; Offline

Oct. 30, 2002 23:05:20

I am modeling a variation of the obligatory trekie ship and have discovered a few problems, for me atleast, I hope.

I have used an atmospheric to simulate a radiant field,

ops: I have got to tone it down a bit.

By the way the green glow in the nacelle is partialy accidental there is a vex metal shader set to green the same as the light and fog.

the field is lite by a dedicated light and the whole thing is parented.
:arrow: Nacelle->field->light

Now for my questions. How do I make the Ramscoop Glow(the red area)?
I currently have a light directed at it, but as you can see it does not work.
I also tried a glass texture and placing the light behind it that did not work either.

And, this may seem unrelated, but is there a way to simulate a light emiting diode(indicator lights)?

http://dragondroid.tripod.com/ [dragondroid.tripod.com]

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Technical Discussion » Illuminance loop


sirogi: 13 posts; Offline

Oct. 24, 2002 18:16:18

can't we have more than one illuminance loop in a shader!!!

:cry:

any good reason I'm missing? isn't it supposet to be a convenient way of err…“looping” through lights?

and please don't ignore this post….

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Technical Discussion » VOPS and optypes


sirogi: 13 posts; Offline

Oct. 23, 2002 02:01:20

is there any way of reopening an optype initially created in VOPS as a VOP net to inspect the network?

thanks!

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Technical Discussion » switcher1 evalInt: Invalid parameter name usecop


talsit: 10 posts; Offline

Oct. 22, 2002 21:48:13

Hey ppl!

I've been using houdini 5.0 and now I've upgraded to 5.5, and it's giving me this anoying error in the Houdini Console every time I touch a node in the viewer:

“switcher1 evalInt: Invalid parameter name usecop”

I've tried to recreate the switcher, but it still gives me that error, and recreating the cameras is not an option.

Any suggestions would be great, thank you!

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Technical Discussion » VOP paths...


sirogi: 13 posts; Offline

Oct. 16, 2002 13:02:27

HI all,

please help as this is a very annoying problem…
we have houdini 5.5.52 at school, and for some reason, you get plagued by console error messages whenever you mess around with VOPS (sporadically, depending on what you're trying to do, it does seem to work fine for SOP vops and *some* Shops vops)..

baseline is, I took the same file on an admin account (not a student acct.) and it ran just fine! to calrify things a bit, the directory where houdini is installed is write protected for students…..

all the “H” env variables are ok, manually checked them, since I'm sourcing houdini_setup in my .cshrc…..

any way of re-routing where VOPS generated its vex and .ds files since I suspect that's the culprit!

thanks for any suggestions!

……upset in SF.

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Technical Discussion » Question about selections


Prophet: 22 posts; Offline

Oct. 14, 2002 01:05:13

Hi all,

I'm still new here and have a question about selections.

Is there a way to select a loop of edges around a model? Other than going around the model and shift clicking all the edges. For a quick example of what I mean. When I use polysplit with the “quadralaterals” option and “closed” checked, I get a loop of new edges around my model. So, lets say later, I need to reselect that “loop”.

BTW, anyone know if us appretices will see the User Guide example files? I'd LOVE to get ahold of them as a learning tool.

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Houdini Lounge » Apprentice and tutorial in CGI mag


goldfarb: 3465 posts; Online

Oct. 10, 2002 15:24:33

the October 2002 issue of CGI (www.cgimag.com) has Houdini Apprentice on the coverdisk…and the objectstates videos work just fine

there is also a tutorial (with starter hip files) on shading a slug…

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Technical Discussion » sourcing out particles' xyz position to objects' xyz


tatchi: 1 posts; Offline

Oct. 9, 2002 02:38:24

hi all,

i'm an architecture student who is investigating on form and behavior. specifically i'm using particles to simulate a crowd's movement so that they're bounded within a geometry and react to various attractors. i saw the POP spreadsheet that each particles position/rotation/acceleration… values are all tracked and i'm wondering if there's a way to source those values out so that say i can link each particle's values to the vertices of a grid.

the theory behind this is that by simulating and understanding the behavior and patterns of a crowd, and through establishing a direct relationship between the occupants and the environment in the conceptual stage, form can be more optimized to its use.

hope this is not too confusing. TIA

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Houdini Lounge » How to define which kind of bone solver should be used?


musickent: 19 posts; Offline

Oct. 6, 2002 04:19:16

how to define which kind of bone should put in which part of body?

I know that the FK solver is for the spine and head, the Inverse Kinematics is for the legs and feet, Forward Kinematics is for shoulders and arms and hands. Is it always the case? and the drawing direction of the bones matters? shock

Also, if animation the creature wihout legs, such as snake and caterpillar, how to build the skeleton to animate its movement?
o

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Houdini Lounge » game with H5


michael: 66 posts; Offline

Oct. 4, 2002 07:14:23

CAMF Production has launched the official site for the upcoming
ROMAN RACE 6004 [romanrace.com]

The game will be for both PC and Consoles.
The site offers a lot of screenshots, renderings,concept artwork and a ton of information on the characters.
The complete 3D part of the game is made/textured/animated with Houdini 5.5

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Technical Discussion » Materials? Rails?


dcwarwick: 5 posts; Offline

Sept. 25, 2002 15:04:51

How do i create a Material in H5.5?? I open a H5.0 file and it finds all the correct materials but where do i now edit them, or create new ones??

Also, how do I use rails now?

Thanks
Dean

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Houdini Lounge » Houdini 4.0 demo files?


whodini: 6 posts; Offline

Sept. 24, 2002 11:12:10

In various postings here and on the odForce forum, there is continual reference to demo files that were available with version 4.0 release of Houdini. I realise that some of these may not be relevant anymore but it sounds as though a lot of them still are. Are there any plans to make these available for download so that Apprentice users can have access to them?

Although I appreciate the work that has obviously gone into the Apprentice training material, I can never get enough examples to pick apart!

Thanks,

Dave Carroll

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Technical Discussion » mental ray textures?


foetz: 31 posts; Offline

Sept. 23, 2002 17:01:40

hello,

maybe silly but how can i apply textures for using with mental ray?

thanks in advance

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Houdini Lounge » Creases in NURBS


draetsch: 32 posts; Offline

Sept. 20, 2002 17:52:23

Hi, it's me again,
I tried to model some sort of a head. Since I used Softimage, I took a NURBS sphere, cut it in half with carve and voila, there's a slight crease 90 degrees from the cut. At the end I mirrored the Geometry and put it together with “join”. Now I have a crease running from pole to pole along the ear. How can I fix this, so I have a smooth sphere. In SI I would delete some Isolines but how does it work here?

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Houdini Lounge » Escape news??


sferrell: 1 posts; Offline

Sept. 19, 2002 10:32:36

I was wondering if there was any idea when ESCAPE might be making its debut? I'm looking forward to it.

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Houdini Lounge » Apprentice build


Stremik: 170 posts; Offline

Sept. 12, 2002 01:58:40

I'm running Apprentice version 5.5 build 36 and this is the one I've downloaded from VisLab server.
If I go ahead and order an Apprentice CDs from SideFX right now, will it be the same build 36 or 98(or whatever the last one is out there)
I'm asking because I've learned from mailing list that some improvements has been made to COPsv2 in latest build(Swap COP in particular)

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Technical Discussion » any luck finding the tutorial files?


atracksler: 41 posts; Offline

Sept. 4, 2002 08:37:02

has anyone had any luck finding the tutorial files? I did the rocketship. I am looking for the snowman, etc. from the PDF tutorial guide….

thanks, adam

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Technical Discussion » Interesting! The problems fixed themselves


Dave_ah: 436 posts; Offline

Aug. 30, 2002 02:37:59

I allowed my Houdini Master Apprentice to expire, then re-authorized.
As if by magic, the troubles have disappeared.
Previously, when I entered into the two week countdown to expiration, Houdini just started misbehaving. Mantra would not launch, constant crashes using common tools. Now all these problems have disappeared, Houdini is behaving as per tutotials and PDF docs, apparently, becouse I got fresh codes. Can anyone shed light on this phenomah.

David Rindner

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Houdini Lounge » Houdini Apprentice Patches


MichaelC: 344 posts; Offline

Aug. 22, 2002 00:54:13

As I understand it, Houdini Apprentice is a Beta version of 5.5. Does SideFX plan to release updates to keep it current as the retail version of Houdini Master is patched and upgraded?

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Technical Discussion » Did Houdini 5.5 already offically shipped??


Steve: 14 posts; Offline

Aug. 18, 2002 00:34:40

:shock:

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