# elenvou

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ELEN VOU

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1. ## color gradient in extrusions

That is great! Thank you so much!
2. ## color gradient in extrusions

Hello there!! I have this sphere, and I want its extrusions to have a gradient in its colors. The pick to be the more intense and the base to have the same color with the base of the sphere. How can i do that? Please help!! cheers!
3. ## list of vertices

thank you so much!! It works great!
4. ## color prims by attribute

Hello there!! I want to select all the primitives that have a specific attribute - @P = 0 - and assign a specific color to them. How can I do this in VEX or with nodes? cheers!!
5. ## color prims by attribute

Hello there!! I want to select all the primitives that have a specific attribute - @P = 0 - and assign a specific color to them. How can I do this in VEX or with nodes? cheers!!
6. ## list of vertices

I want to store them as an attribute, for each primitive of the polygon (triangle) its three vertices; Could the expression be something like: int prim_vertices[]; @prim_vertices = primvertices(0, @primnum); The problem is I don't know how to use them correctly. Please can you tell me how I could write the full expression?
7. ## list of vertices

Hello there!! I want to do something really easy I guess, to create a list with all the vertices for each primitive. - I am working with a polyedron- How can I do that in VEX? cheers
8. ## POLYEXTRUDE BY ATTRIBUTE

Hello peeps! I want to do something really simple but for some reason it isn't working… I have an attribute P1 that I want to use in the distance scale of my polyextrude. For some reason the extrusions are infinite. Does anybody know why is that? cheers! extrusion.hipnc
9. ## control density by attribute?

Hi!! I have subdivided the primitives of an icosaedron. What I want is for each primitive, to select a random number of subdivisions (the small black triangles) , extrude them and control their density with an attribute. How can I do that?? POPULATION -HAPPINESS.hipnc
10. ## work between frames Houdini

Hi there!! I want to work between frames, that means I want to do some calculations in t=1/frame 1 that will affect values of t=2/ frame 2. More presicely I am importing csv files that show happiness numbers per 50 years. For t = 1, happiness = x. What I want is to say that when t = 2 and happiness = y, substract from happiness 10% of its value, i.e. happiness = y - y*y%. In the end I want to apply this policy to all the coming frames; if (factor < 5%) { @hapiness -= hapiness*10%; } How can I do that?
11. ## make primitives glow

Hello!! I am working in a triangulated sphere and I want to make the different triangles glow with different idensity according to their primitive attributes. Any ideas? thanks!
12. ## SMOOTH THE TRANSITION of EXTRUSIONS

And how can i do that? Should I use some specific sop? Can you ypload an example? - maybe the question is silly but I am still struggling with the software-
13. ## SMOOTH THE TRANSITION of EXTRUSIONS

Hello!! I am new in Houdini, so I need your help! How can I smooth the transition of an extrusion? -I don't want the extruded pieces to suddenly pop up, instead I want the procedure to be done gradually- thanks
14. ## get the average of a list of attributes in Houdini

Hi there! I really need some help because I am new in Houdini! I am working in a triangulated icosahedron. I have a list of neighboring triangles and attributes stored in each of the icosahedron primitives. I want to get the average of those attributes per neighborhood and then I want to invent a formula in order to make them more equal. - if the attribute of one triangle is really high and its neighbors really low, then I want some % of the attribute from the higher triangle to transfer to that of the lower-. thanks neighbors multiple values.hipnc
15. ## FIND NEIGHBORS OF PRIMS HOUDINI

Dan, one more question. It seems that now I have a list of points and a list of primitives with 5 attributes instead of three. I guess it is because I found the adjacent points. How can I create a list with the adjacent primitives - triangles?
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