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  1. Hello ! I'm trying to learn a bit of PDG since it might be useful for some of my projects. But I'm having a few issues For one, I wasn't able to find how to remove a work item. What I'm trying to do is search for a string in a bunch of files, and based on that I'll do some other things...
  2. Trying to get a string attribute from the selected workitem to evaluate as a parameter. Integers and floats work with the @attrib_name syntax, but it seems strings do not? I've tried backticks, evals(), combinations of quotes - no joy. I've had to do a workaround where I interpret integers as strin...
  3. Hey All, I'm trying to customize a python settings.json file with int, float, bool, and sting values set up on a Null control with parameter sliders. I've read in the initial file I want to modify with a Json file, and have matched all the tags with the slider controls. I'm then collect...
  4. Hello there! The task is to go through folders with lots of fbx files (each with several assigned textures and materials) and render out thumbnails of each object. Simple enough. The problem is that I can't find a way to do this without loosing the texture and material data supplied by the...
  5. Hi There, I'm trying to grab all attributes on the current work item in TOP and assign them to points in SOP. I wrote a python script and it works fine in SOP lively but I'm getting an error or crush when I kick off ROP Geometry Output TOP. I used python approach because I have severa...
  6. Hello; I'm just getting into PDG and have an interesting problem I'm trying to solve. I have a list of files that I'm trying to sort using PDG. The files are labelled x0y0,x0y1,x0y2.....x7y7. When I load them with the "filepattern" TOP, it sorts them as x0y0, x0y1, x0y2, x0y3 etc. Instead, I w...
  7. Hi Guys, My Query is related to PDG service Manager,I ahve two questions 1)how exactly does the pool size work in PDG services ?the help says "Sets the number of instances that will be created for the service pool." are these number of instances ,number of cores allotted to the work...
  8. Hi I'm spending the day figuring out how to use TOPS. How would I connect the Heightfield Output node to a wedge? I can override filename but it doesn't cause it to render. Cheers TOPStest.hiplc
  9. Hi, OK my scene is roughly a PDG setup with some work items, those have all been merged together into a single work item where all the attributes are merged into arrays. I am looking to access those attributes using component syntax ( @pdgoutput.1 or @pdgoutput.2 ). This works when I m...
  10. How can i export all wedge attributes and custom attributes i created along the line into a single csv? I made this work with CSV TOP node but i had to manually write the attributes. Using option 'By Attribute' i can specify 'wedgeattribs' as the attribute array to read from, but the other...
  11. Hello everyone, I have a pdg setup where I will have a large number of attributes piped in from a csv sheet, and I would like to convert every attribute ending with _prob to floats. My issue is I can't figure out how to iterate between all attributes to check their names and cast I would like to d...
  12. Iam am trying to execute the example file top_"mayapipeline" from the houdini help directory,but the top throws an error when I check Image magick it gives me error [12:47:39.497] Executing command: convert "C:/Users/user/AppData/Local/Temp/houdini_temp/mayapipeline/pdgtemp/render_1.png" -...
  13. Hi, truing to render meta data when rendering my images. Something like bounds, colors, etc etc: Similar to: { "bounds_max": [ 0.9976696968078613, 0.5660994648933411, 1.2734324932098389 ], "bounds_min": [ -1.0025358200073242, -1.33537650108...
  14. Im trying to establish better link with Substance and Houdini , trying to get the best of both worlds. Basically, if I create and get some asset a look made in substance of a given procedural shader like an edge and scratch procedural wearing material recreat live the mesh dependency map directly...
  15. Hi magicians, I'm having issues with TOPs on a client machine, and he asked me if we can have each TOP output (green dot) per frame, this will solve the issue and they will also set Deadline easily. That would be something like 1 green dot = frame 1 2 green dot = frame 2 What I...
  16. Hey magicians, anybody experienced this error with TOPs? "Work item ... as an expected output file, but it wasn't found when the item cooked". It works fine on my machine, but when I pack the scene (via archiveproject node) and run on my client farm, it shows this error. I did s...
  17. I made a setup where I'm wedging a flip simulation and generating one flipbook per simulation. In the end I combine them using imagemagick. I'd like to know if it is possible to wait for each wedge to end generating the flipbook in order to start the next simulation and only when it is all done ge...
  18. Afanasy 3.2.1 version supports TOPs: https://cgru.readthedocs.io/en/latest/software/houdini.html#afanasy-top-scheduler
  19. Free video tutorial can be watched at any of these websites: Fendra Fx Vimeo Side Fx Project file can be purchased at Gumroad here: https://gumroad.com/davidtorno?sort=newest
  20. Hey folks, I'm executing a Windows .bat file which is written out by a pythonprocessor TOPs node to run some things on another sever. Everything works if I hardcode the filename to the batch file, but I want it to generate and execute .bat files for each work item I'm trying to access `@fil...
  21. Hi, I have a this TOP PDG graph that sends an email. (actually the problem is that it sends too many emails) I'm currently testing it. So it: 1. does wedge (done) 2. runs a sim (done) 3 send an email (problem here, it sends an email but sends an email for each work item...
  22. Hi all :), I am trying to load two sequences of vdbs on my disk, for example : cluster0.$F4.vdb cluster1.$F4.vdb with a geometry import in a top network but it does not work so far. I have tryed to load them with the filerange / filepattern node and partition t...
  23. Hello, I am currently trying to create a terrain using TOPs. However, some of my HDAs created for it use camera data via the ndc VEX function, for example all scatter points outside the camera angle are deleted. But now when I add this HDA to my TOPs workflow, the camera is not rec...
  24. Hi Everyone, I'm trying to setup a TOPs network to cache out sims with multiple parameters being sent to the dop network. Seemingly basic stuff, however nothing I'm doing seems to be working how I think it's going to work. What I've tried: Using a wedge node to set a random attribut...
  25. In PDG network, how can I access Outputs (see image) of a preview node withing Python Processor context? In other words how can I access @pdg_output or workItem.output from Python Processor node? Update Feb 23, 2:13 pm I tried the following but it prints an empty a...
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