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About Alexandre

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    Alexandre Dizeux
  1. Hi all ! Do you know why the terrain erosion output varies drastically based on the initial grid spacing ? And how to overcome this issue ? I would like to get the overall shape obtained with a grid spacing of 0.5 (erosion, sediment, etc...) with a better level of details for close up scene. For this scene I've used the terrain shelf tool "Dunes" and let all the parameters as they are expect for grid spacing Thanks Alex
  2. python table import modifies data within the table

    thank you very much !
  3. Hi, I have a problem, I export a csv table from matlab (I tried single and double) and then import it in houdini but after the importation data are changed as you can see in attachment the real maximum is 4.3392 and is located at the first row, after importation the max is 999099 and is located at the row 485 :/ Someone knows what happend ? I have attached the table Thanks Alex BubblesDensity_debug.csv
  4. houdini 17 (popfluid)

    have you take a look at this ?
  5. UV map saturn rings in Mantra

    well it's working just stay on facet node
  6. UV map saturn rings in Mantra

    using the facet node I managed to split polygon, now I messing with UVs nodes
  7. UV map saturn rings in Mantra

    here is how it's done in blender but can't find a way to reproduce it in houdini (https://blender.stackexchange.com/questions/92812/how-can-i-assign-an-image-texture-on-a-circle)
  8. Hi houdinist ! I am trying to apply saturn ring texture in mantra but I failed to reproduce the texture mapping in attachement (done in blender), someone could help ? I tried to rotate UV by an angle of 90° over each face, but I don't know how to achieve this hip file in attachment with saturn ring texture thanks Alex ring.hipnc
  9. Houdini 18 Wishlist

    Mantra GPU

    Ohh I see... thanks

    Hi everyone ! reopening the topic because I am trying to do exactly the same thing but the gradient is repeating over and over each section, can someone help me to figure out where I make a mistake ? Thanks Alex colonization_growth.hiplc
  12. collision of 2 smoke objets

    Hi everyone ! Do you know how to make collide 2 pyro objects, for example one pyro going in +y direction and the other going in the -y direction and pouuff ! In the pyro solver node you can define buoyancy direction but how to define 2 different directions ? multi solver ? Thanks !
  13. export VDB data to a 3D matrix into a txt file

    thank you very much it helps me a lot I am learning a lot from your example
  14. export VDB data to a 3D matrix into a txt file

    Can someone help me on that ? I am diving in python world and found some help using houdini doc : http://www.sidefx.com/docs/houdini/hom/hou/VDB.html I have basically written the function found at the link above, and I try to use this function on my vdb volume (filled inside) but it seems that the object has no attribute 'activeVoxelBoundingBox' :/ I'm 100% sure the problem comes from me, so if someone can put me on the right track I would be grateful thanks
  15. export VDB data to a 3D matrix into a txt file

    thank you !! I have to dive a bit into python coding, but I am sure I will get much quicker to the desire result with your given functions