Hi everyone,

I am rendering a scene with particles. I set the mantra node to render 240 frames but it failed to render after 175 frames and displaying the following error.

Warning : Unable to trap errors.
Error: Failed to save output to file “Could not open file CPROGRAM~1/SIDEF~1/HOUDINI~1.374/houdini/soho/IFD.py”

Now, i couldnt render any frame in that scene. i tried restarting the system and deleting the old node and putting a new node but of no use..

Please help me with this..

Dear Community:

How do I render geometry to Adobe Illustrator format or Adobe SWF (Flash) format? I know there is a wire renderer but I think it renders raster images.

Sincerely,
markerline

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Thanks.

http://www.youtube.com/watch?v=t6A6ZS3AHGk&feature=player_embedded [youtube.com]

Hi,

Recently, I'm working with this effect.

I plan to use particle and make it as metaball to attach on pyro system.

or someone else has an another idea?

Thanks!

I'm using Houdini under Vista 64, and when using a Wacom 3 (CTE-640) table it crashes after a minute or so of use. The offending module is always Pen_Tablet.dll, according to Windows. Any idea what might be causing this or how to resolve it?

Render & Animated: Houdini 10
Composite: Nuke 5
clip: http://vimeo.com/channels/nvinspace#8369937 [vimeo.com]

Although I'm not really into particle and animation in Houdini, but I was pretty curious and interest specific on the particle fluid node. So I grabbed an existing model from server bank (butterfly), animated it and start to play with the particle simulation and fluid forming. It then took my attention of it's quite boring by just simulating a butterfly withouth anything to cache collide , therefore again I re-edit few animated sequence mesh (chicken and flower) for the particle to cache.

The background image was a still image found from internet, but it doesn't looks convincing if the sky is not moving at all. Therefore i began to montouch and color grad a sequence footage of sky, mask out the tree and field to reduce color value and create some fake depth, and finally combined both as in one peace as background.

When it comes to composite, the grass ground was totally fake as it is just an image back plate, so we'll still can sees the fluid doesn't actually collide the grass which i'm thinking whether to spend time re-simulate the particle again. It's really painful decisions as my working station is not power enough for particle playing. It took me 4 hours +++ just to rob out the splitting fluid part….

i been try to figure it out how to do long hair with in Houdini.
i think is similar to Modo, that require a polygon in this case to work as skin, or where the hair will come out. and some curve to folow.
other packages need at least 3 curves and interpolate the hairs in beetween those. (like XSI softimage in mental ray.)

but i am not sure how to set that up, i been trying to do just regular Fur with the fur node from scrath doing the tutorial of the help menu that is just a plane with “line” copy and then add the fur, plane been the skin and the lines the hair, or in this case the fur.

do i need to use curves? instead the lines? or how can i model the way of the hair goes?

Hi,

On Linux, I remember there use to be a command line option menu item next to the list of choices which includes

*
* Geometry Viewer
* Houdini
* Houdini Escape
* Image Viewer

The command line menu option is useful when I need to test multiple versions of Houdini (especially for quickly verifying things are still good comparing 10.0 and 10.5)

On Windows, the command line option menu item is still there.

I noticed that on my Ubuntu 9.04 build of Houdini, it is not.

I don't have other OS to verify.

Does any have an interim solution? It's the holiday season so I am not sure if there will be a respond from Side Effects (Merry Christmas)

Regards

Is there a HOM equivalent for opalias?

i know you can run opalias with hou.hscript(. . .)
but im wondering if/how it can be done in HOM.

is there such a thing as an alias file, or do the
alias commands typically get put in the 456.cmd?

thanks.

http://features.cgsociety.org/siggraphasia2009/index.php#s5404 [features.cgsociety.org]

Hi

I have a skinned and animated circle as part of my 3d object. After I did texturing I need to change the circled shape a bit.
In order to edit the circle i need to stick the circle to horizontal grid. How can i do this. Can any one help me.
Thanks

Steve

Hi evereyone i know this its a stupid question but how can i said in houdini memory ram must use i dont know where i can said this??


thank so much

Hi,

I use the ROP output driver to cache pyro info in my disk.

and I use file node where autoDops to load those .sim file.

But when I press render, nothing happen. Why?

Thanks for your help.

Hi Everyone,

I have a scene with 100 point lights. When i try to render a frame, i get an error like this “UT_NetPacket::write: No Such file or directory” and mplay displays as “No image”. This problem has already been discussed in this forum but that solution doesnt work in my case. I reinstalled my houdini, but even then the prob exists.
When i try to render the same scene with a single point light or a different scene, it renders fine. The houdini version i am using is 9.5 and build is 303 (pretty old version):cry:
Any help on how to solve this issue will be much appreciated and also can someone shed some light on what this error actually means and why am i getting it.?

Thanks a lot in advance.

Hello,

I was wondering what batch command line would i use to run my simulation and write to disk on a second machine. I only have one license of master and I can't use my computer when simulating. Thanks for your help guys. Jack

Hello,

I was wondering if someone can help me out. I am creating an effect of blood in water using a fluid container and colouring the smoke red. The problem that I have is that the fluid disappears like what smoke would naturally do over time. Yet the look I am going for is a dissipation feel where the blood would linger sparcely and quite thin. The blood would still be there but not as thick.

Thanks for the help,

Jack

hi all,

having some problems with particle rotation.

I am using the smooth function combined with rand and modulo to control my rotation angle on a rotate pop.
This rotation is on the x axis and works fine but I want to add a another rotation on the z axis after this rotation takes place. If I add another rotate pop the first one gets ignored.

help appreciated

cheers.
Craig

Hey folks!
Why isn't it possible, neither with mplay nor with the compositor, to save out a sequence with another channel then A as alpha? I first tried it simply with the scope selection in the save dialog in mplay, and than I replaced the A-channel with Pz by a channelcopy in a image network. Still images working, but not sequences.

Hi All!

I was playing with chops. I've created a single particle and attached angular velocity to it in a pop network. A surface has been istanced to the particle with a copy sop. Now, i've imported an audio fragment in chops, cleaned it a little bit (not sure however if it is the correct way) and used it to drive the angular velocity of the object.

I just want to ask you if there's a way to implement this using dynamics (without particles) because I'm not used to angular velocity in dynamics.

Hi

I am using color map brought from Illustrator.
I can see the color that i painted in Illustrator from scene view. But I can see only black, not the color i painted, in render region tool. I wonder why ?
I checked Ambient and lambert intensity already. Can any one help me ?

Steve