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sidefx-houdini-list December 2017

sidefx-houdini-list@sidefx.com

8 participants
6 discussions

License server issue 3 months, 3 weeks

Gary Jaeger

Sent to sidefx support as well, but since it?s a holiday.. Anybody seen this? Very strange. All our machines are set up the same. I?m setting up a new laptop, same settings as the others, pointing to the license server address. Our license server is running license server version 16.5.323. But when I try to launch Houdini, the license admin pops up and says the license server (which it sees) is running an old version of the license server (it?s not) and it won?t launch Houdini. So it?s not a matter of the laptop not seeing the license server. It sees it, but can?t get a license for a strange reason. Gary Jaeger / 650.728.7957 direct / 415.518.1419 mobile 249 Princeton Avenue / Half Moon Bay / CA 94019 <https://www.google.com/maps/place/249+Princeton+Ave,+Half+Moon+Bay,+CA+94...> http://corestudio.com <http://corestudio.com/>

no category

3 participants
2 comments

Houdini |world position in expression 4 months, 1 week

Olivier Jeannel

Hi, For a Camera that renders with DOF, I'm using an expression in the "Focus Distance" field of the camera object. distance(ch("../null_focus/tx"),ch("../null_focus/ty"),ch("../null_focus/tz"),ch("../Real_DOF_cam/tx"),ch("../Real_DOF_cam/ty"),ch("../Real_DOF_cam/tz")) Where "null_focus" is where the camera ...focusing. "Real_DOF_cam" is my camera name. Everything works well until I parent the camera to a null. As soon as I parent the camera and move the null, the results of the DOF are completly false. I'm wondering what expression I should use to calculate the Focus Distance based on the camera world position (as it seems to calculate it in local/parented atm). Thank you !

no category

3 participants
5 comments

Obj level animation to network 4 months, 1 week

Gary Jaeger

Hi. If we have some animation at the obj level with nulls, how can we get that back into a network so we can do things like use clip or Boolean of the object, post null animations? Does that make sense? Gary Jaeger / 650.728.7957 direct / 415.518.1419 mobile http://corestudio.com

no category

3 participants
3 comments

Moving assets along 4 months, 1 week

Fabricio Chamon

Hi there. (beginner question alert!) I'm preping/look-dev'ing props for a project, and want to hand over fully contained node networks to other artists: geo import+materials+a very simple rig+static particles. What is the most convenient way to pass over "stuff" down the pipe ? I'm coming from Softimage, which has the "Model" concept, where I can store/export everything into an encapsulated format. I understand HDAs might be the answer, but my props don't have any parametric data, they are just simple props. Does it still makes sense to have them shared as HDA's? I'm asking because it has a cost of installing an asset.. or does the "hda" project folder gets scanned automatically when setting up $JOB? I'd like to have some sort of top level container where I could distribute a single file to others (don't need to embed textures or geometry, as they are all referenced with relative paths inside the project folder). Thanks!

no category

2 participants
5 comments

Fluid on a tea cup escaping 4 months, 2 weeks

Marco Melantonio

Hey guys, I'm simulating a flip fluid inside a tea cup, on a character's hand (using Volume Collision and Alembic (deform collision)) Everything looks fine until the hand starts to move? The fluid doesn't stay inside the cup like it should be - Iike any of us walking while carrying a tea cup. It's dropping away over the border like was in a fast movement. I'm not sure how to solve this because the hand moves very gently? It's not a fast movement. Scale is also correct? And I'm using trail on calculate the velocities. Any tip? Sorry but I can't share the file. Thanks!

no category

5 participants
5 comments

How to control RigidBody instances 4 months, 2 weeks

Thomas Volkmann

Hi, I'm taking another dive into Houdini again and I'm having a very slow start at the moment. It seems I have forgotten some of the basic stuff.... So if someone could help me out and save me a couple of hours it would be much appreciated. I have a simple RigidBody simulation from some instanced objects. Now I would like to do some stuff with some of these, like select by ID and then putting them to sleep at a certain frame or have them growing/shrinking over time. Can I do that stuff all in the same place (some wrangle node / where?) or does the scaling has to happen in a sop and the sleep in the dop? Damn, I really thought I was past that initial confusion when starting with Houdini, but a couple of months off seem to be a full reset on my brain... Thanks, Thomas

no category

5 participants
21 comments

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sidefx-houdini-list December 2017