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Found 7 results

  1. Hi there I am currently making a HDA that takes a mesh, does an infection solve and spits out resulting textures; I have finally got my top graph cooking fine however I am a bit lost as to how the user will actually trigger it from the HDA interface. Promoting the force cook on the topnet doesn't work and even when normally activated, it seems to use up all houdini's threads as opposed to a cook from within the graph. I have also been scouring the pdg python module docs to see if I can trigger the network to cook from a callback script. The furthest I have got on that front is the cook method on both pdg.GraphContext and pdg.Node objects. pdg.GraphContext.cook() seems to want a CookOptions object which I don't know how to generate or manually create. pdg.Node.cook() wants a block argument and I am also lost as to what that is, I've tried using block=1,1 etc I found a py file called top in /houdini/python2.7libs/pdg/job/ which contains a function called cookTopNode. This looks promising however I don't know how to call it nor which module/object it is a member of. I'll provide a scene file if needed, just needs a bit of decluttering first Any help is greatly appreciated. George
  2. ok so some progress with PDG following Ari's tutorial, https://vimeo.com/323291527 but getting ImageMagick running properly on OSX is a total PITA! After installing, adding proper pathing to houdini.env it runs but no support .exr by default. Get the following error So thinking I need to install OpenExr I do so and get openexr 2.3.0 is already installed and up-to-date Any ImageMagick experts able to suggest a solution? Guessing this will be easier on my Ubuntu box....
  3. I have a heightfield as part of an HDA that is remapped. If I manually press "Compute Range" in the Heightfield Remap sop it works.... but I need to do it from an HDA processor inside Tops. I promoted the "Compute Range" parameter (button) on the HDA. It works. Then I get it inside Tops HDA Processor via the Update HDA Parameter button... BUT in there it comes as a checkbox. If I check the checkbox it does nothing. How does one enable Compute Range from inside an HDA Processor node in tops? If not, is there a way in vex to the the min and max for the voxels of the heightfield? Thanks
  4. Hello everyone, I am trying to speed up surfacing tasks using this simple method from Entagma (https://vimeo.com/323270525). I am on Centos 7 and when I monitor CPU usage, it goes maximum at 35% and doesn't use all cores. Is anyone experiencing similar behavior or have any info to share about Houdini and CPU usage at Linux?. Thank you.
  5. Pyro source Wedges TOP

    Hello all, TOPs are amazing and definitely boost the amount if iterations I can create overnight. Hope you will help me to fill some blanks. I would like to Wedge pyro source with different noises and amounts of Fuel and temperature (9 different `@wedgeindex` 1-50 frame range) and feed those sources into the wedged pyro sim. Please see the basic setup example is in the attachment. PyroTopTEST005forOF.hiplc
  6. Hi, I have 2 a computer "farm" setup to render out PDG wedge iterations. Rendering it with Mantra works fine with local scheduler as well as with HQueue. Redshift works just fine with the local scheduler but when rendering with HQueue it renders out just one frame of my iterations without any error messages. The frames are numbered by @wedgeindex which apparently worked for 3/4 of the cases listed. Any ideas? Thanks Hendrik
  7. SideFX Houdini Masterclass - Louis-Philippe Clavet Following the Everything Procedural conference, Breda University of Applied Sciences will host a two-day SideFX Houdini Masterclass by Louis-Philippe Clavet. This is an unique opportunity to learn, experience and get acquainted with one of the most versatile procedural content generation tools. Day 1: SideFX Houdini - Procedural Animation Houdini has long been known for its great ability to reproduce the motion of many natural phenomena through its dynamic operators. Even if they are fantastic tools, some movements are hard to generate with these systems. A procedural animation approach seems to be a great alternative to infuse life into a cg scene when artists need more intuitive ways to bend motion to their will. Through skillful attribute manipulations and a clever use of CHOPs, you will experiment what can be put into motion with a limited use of dynamic simulation and keyframe animation. This masterclass is a collection of test scenes built to showcase the versatility of procedural animations in Houdini. It is intended to Houdini users of all levels, but requires a good knowledge of how to navigate the software and its interface. Day 2: SideFX Houdini - Procedural Dependency Graph (PDG) Discover the new context introduced in the most recently announced version of SideFX Houdini. Houdini now offers us a visual management system that handles all tasks and all dependencies in which TOPs (Task Operators) are the new set of nodes tailored to improve workflows and pipelines. Learn how to deal with the challenges of creating and working with a great amount of data. Experiment how this system can also help artists to automate tasks that they do on a daily basis. This masterclass is an overview of the new technology. It is intended to Houdini users of all levels, but requires a good knowledge of how to navigate the software and its interface. The Masterclass is a two-day event (both 9:00-17:00) and takes place on Thursday April 25th and Friday April 26th. The Masterclass will be hosted in a workshop setting with live presentations, demonstrations, hands-on experimentation and exercises. You need to bring your own hardware (laptop is sufficient) to be able to actively participate. http://everythingprocedural.com/ https://twitter.com/everythingproc https://www.facebook.com/everythingprocedural
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