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About jhcl21

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  1. Hi dsa146 Thank you for the update, it is good to know rendering is fine. Since it has been no answer here, so I asked a friend. He confirmed it is a bug and he had reported it to Side effects it. But looks not fixed it yet
  2. Hi Gabriel Thank you for your help. That is exactly i was looking for. I understand it now.
  3. I studying about the attribute copy SOP. And had strange behavior. I used the two grids one is Raw:200,Columns:200 and other is Raw100,Columns:100. The result is repeating 4times on Raw instead of 2times. Why not 2times x 2times? I know if i set the grid to 200 x 100, or attribute transfer can solve it but I want to know about the reason, not a solution.
  4. Expression for delete faces

    Noobini Thank you for keep thinking about it. It's very simple that I had tried at the beginning. @ptnum is working for delete Primitives. I appreciate that your help!
  5. Expression for delete faces

    Wow Its Great! Thank you for the file. I'm not fully understand that yet at this moment. but Studying your expression. thanks again.
  6. Expression for delete faces

    Oh, sorry I miss understood that line and understand it now. I will try that you mentioned which is use sort. I understand the EVEN Cols terms. thank you!
  7. Expression for delete faces

    Noobini I think I have not miss typed your expression in my network. but it looks work sometimes, not works sometimes. Please check the attached image. thanks!
  8. Expression for delete faces

    Hi adrianr Thank you for the file. I'm sorry for late response but it took a little time to understand (I'm still new in Houdini, also) I haven't thought such way to use sort1 and switch. It is the good way to use Switching. I had open your file and set the same number of rows and columns. It wokrs Rows(and Columns) are 4,6,8.. but not works 3,5,7... . I'd like to make it works for any numbers of rows(and columns). (I should explain this at 1st.) thank you.
  9. Expression for delete faces

    Hi Noobini Thank you for replay. It looks very simple and I didn't know such way. Definitely, I will learn that way next and I appreciate you sharing your idea. But I'm trying to make an expression for any numbers of columns(EVEN number and ODD number ).
  10. Hi, I'm learning Houdini expression. Probably this is not the smarter way but for learning purpose. The network is simple, a grid and connected a delete sop after the grid sop. I want to delete every each other faces of the grid to make checker board pattern with an expression. Expression is: ($PR%(ch("../grid1/rows")-1) +$PR/(ch("../grid1/cols")-1))%2 The result is looks working for half of the grid but another half potion is disappeared. It was the same result on H15.5.56 and 16.0.55. Possibly expression is wrong or missed some setting but I have no idea how to fix it. Please give me an advice. Thank you
  11. I created particle from shelf "Location Particle Emitter" and added sprite from "Sprite Particle" in the shelf. The sprite Map is default smokepuff .rat I have been trying to rotate the displayed sprite around the view axis by using 'rotate' parameter. But it looks like scaling height/width every 90 degrees. ig: rotate 0(original Shape) >> rotate 30 (looks scaled down width) >>rotate 45(completely scaled down to 0 that disappear from screen) >> rotate 90(original shape). How can I make it works correctly? I had tried on H15.5.565 and H16.0.504.20 but same result.
  12. Popforce Behavior

    Thank you kishenpj. After open your file, created new scene and it works. Not sure why it has happen, but thanks!
  13. I'm doing a tutorial but had stuck. I made Sphere and click 'source particle emitter' from Particle tab and added 'POP force' right after pop source. I had set Fore-Y to '1' and killed Gravity. The particle is going up at H15 which is expected, but it does not react in H16. Do I miss something to setup to get the same result in H16 ? or a just bug? I appreciate any help. Thanks
  14. using @dist in color SOP

    Atom, acey195 Thanks! I will use Wrangles for production.
  15. using @dist in color SOP

    Thank you Atom! I could find what I missed by your answer. Yes it works if node Color placed after the AttributeWrangle node. I have been trying avoid use the wrangle node (sorry I have not written this) and your answer gave me a hint. I used attributeCreate node instead of color, and it works! Thank you !!