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Found 4 results

  1. Hey everyone, Whenever I go to the render viewport in Houdini 17.0.352 I get the following message "Error : failed to save output to file "traceback (most recent call last):" I joined here both the error message I get when I start Houdini and the Message I get when trying to render using mantra. BUG report.pdf Trying to render a frame manually (save to jpeg) also leads to an error. I tried reinstalling Houdini or even deleting preferences but none of this worked. I believe this is a bug linked to Python, but can't figure out what exactly. -- Could you guys please help me with this situation ?
  2. Hi all, I'm trying to dabble in a bit of HDK programming, however I can't seem to get off the ground: I have an HDK 15.5.564 installation and Visual Studio 2015 (VC14 Update 3). Upon loading up the command line tools and running 'hcustom -s geoisosurface.C' a window pops up telling me that hcustom.exe has stopped working. I use Visual Studio to debug and see if I can get a better idea of what the error is and it yields the following message: Unhandled exception at 0x00007FFAE44373F3 (ntdll.dll) in hcustom.exe: 0xC0000374: A heap has been corrupted (parameters: 0x00007FFAE448F6B0). Anyone else encounter this problem? Is there a step in the process that I'm missing here? Any help would be appreciated. Cheers!
  3. Every now and again my houdini apprentice crashes with the "display driver stopped responding and has recovered" error appearing afterwards. I downloaded the latest Houdini apprentice and re-installed it more than once after seeing some old (2011-2012) posts on this subject on a couple sites. The strange thing is it crashes mainly when I do pyro sims but also when I'm doing non-intensive stuff to (basic SOP stuff). Does anyone have any advice on this subject please? PC specs: Windows 7 Ultimate 64-bit AMD Phenom II 3.4 Ghz 32 Gb RAM Radeon HD 5800 with 750mb RAM of which I also have and installed the latest drivers
  4. Hey, I'm having some trouble generating .ass files for volumes in Houdini so they can be lit by lighters in Maya using Arnold. I'm using Houdini FX with HtoA 1.3.1 (which the website says is the correct version of HtoA for my version of Houdini). The steps that I used to get Arnold to work with Houdini is that I manually installed the plugin and had my houdini.env point to the plugin location, and the console seems to have all the arnold plugins loaded at startup. I created a shelf tool pyroFX explosion, converted it to VDB using "density" and "heat" as the groups. I then called those fields back using an Arnold Volume node at scene level, with the grids as density and heat. It displays the volume in the viewport, and renders out the scene if I put down some arnold lights and render it with an Arnold ROP in Houdini itself. In the Archive tab of the Arnold ROP, I set the location to where I want to have the .ass files dumped and uncheck "export lights" and "export cameras". When I hit the render button I get this message in the console - 00:00:00 1127MB WARNING | [htoa.session] generating shaders... 00:00:00 1127MB WARNING | [htoa.session] shader generation done. HtoA ends up generating a .ass file that is only 2KB in size, always. When I take a simple sphere and apply a shader to it and dump out the .ass file, it works, but not with volumes. Anyone knows why this isn't working for me?