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Alexandre

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About Alexandre

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    Alexandre Dizeux
  1. Get a specific vector from a vector array

    ahhh yesss, I understand thank you very much !
  2. Hi all, Noob question... I want to read the 3 components of a specific vector that belongs to a vector array as shown in attached screenshot I don't know where and in which format I have to put the point index and vector index. someone know how to do that ? thank you Alex
  3. Get point attribute within groups using python

    I found the solution here just change the points expression by : points = [str(point.attribValue("myAttrib")) for point in group.points()]
  4. Get point attribute within groups using python

    try to find answers on sidefx https://www.sidefx.com/docs/houdini/hom/hou/PointGroup.html but I fail to understand how to return the content of a specific group, group_0 or group_1...
  5. Hi all, I've looked for an answer on the forum but couldn't find exactly what I am looking for, I'm sure this is super basic question (I'm learning python right now). how can I reach point that are within different groups ? I want to do simple math operations for different groups of points, so the idea is that once I have access to points within a group I'll do something like MyAttrib = [p.attribValue("MyAttrib") for p in points] to do some statistics of MyAttrib Thanks Alex
  6. 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
  7. python table import modifies data within the table

    thank you very much !
  8. 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
  9. houdini 17 (popfluid)

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

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

    using the facet node I managed to split polygon, now I messing with UVs nodes
  12. 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)
  13. 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
  14. Houdini 18 Wishlist

    Mantra GPU
  15. CURVE WIDTH TAPER

    Ohh I see... thanks
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