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Everything posted by Honokaitj

  1. Thank you! It's cool to see how other people solve problems. Thanks for the example file!
  2. I'm having trouble figuring out the best way to achieve something. I'm creating a wall of bricks. Each brick will later be replaced by a far more detailed brick. I'm trying to keep my scene as light and memory efficient as possible so I'm using copy to points and pack and instance is checked. However, I need to cut a hole into this wall. In my example it is a tube, but I'd like to figure out how to do this with any shape. What I want to do is figure out how to do one of two things. 1. Prior to copy to points create a group of the points which will later have bricks that need unpacked in order to boolean. 2. After copy to points with pack and instance create a group of packed bricks that will need to be unpacked in order to do a boolean. If you look at the image I've provided you'll see some points are outside of the tube shape, but would still need to be part of the group that gets/remains unpacked. At the same time some are mostly or completely inside the tube and would also need to be unpacked. I know I can just use a peak node on my tube to make it wider just for selecting, but I'm wondering if there is a more elegant way of doing this. I was thinking of something like intersection analysis, but that isn't the right thing. Is there a way to determine if a packed/instanced brick is partially inside the tube geo? Thanks, Tim J
  3. Heightfield Paint pscale?

    Hey fellow Houdini artists! I'm a long time Max and Maya user and I'm now learning Houdini. I'm trying to figure out if there is a way to use heightfield paint or heightfield draw mask to store values that I can later use to affect the pscale of objects in a heightfield scatter. For example I'd like to scatter bushes on a landscape. I want each point to get a random pscale factor still...Like between 0.5 and 1.5. However, I then want to multiply that value by another masks value that I can paint. This way I could increase or decrease the general size of the pscale in the areas I've painted. This would allow me to create taller bushes in some areas or smaller bushes in other areas. This seems fairly straight forward to do with scatter, copy to points and attribute paint nodes if I'm not using heightfields. However, I'd like to do this with heightfields and heightfield scatters Is something like this possible? Thanks, Tim J