# MarioD

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## Community Reputation

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• Rank
Peon
• Birthday 04/25/1976

## Contact Methods

• Website URL
www.mariodomingos.com

## Personal Information

• Name
Mario
• Location
Dublin, Ireland

## Recent Profile Visitors

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1. ## I control the direction of the wind field with the direction of an object

Ok so, let me see if I understand. You used a SOP solver so you can use the Geometry (SOP level) to the simulation?
2. ## I control the direction of the wind field with the direction of an object

I really appreciate your help, I'm studying what you did and most of it makes sense. Would be hard to get there alone with the knowledge I have now.
3. ## I control the direction of the wind field with the direction of an object

Cool, so you replaced the DOP net that I had in the file?
4. ## I control the direction of the wind field with the direction of an object

Im attaching my file. I want to use that object to control the wind force on a field of grass. A part of it it's working. I can affect the hair using the volume of the object and with your help I can get the vel. But I don't know how to pass that value, per point, to the Wind Velocity. CHOPS might be the solution, I've watched and read loads of stuff by now but I still can't figure it out. WindDirection.hipnc
5. ## I control the direction of the wind field with the direction of an object

How can I pass that v value to a DOP's network wind velocity?
6. ## I control the direction of the wind field with the direction of an object

Really cool, I still have soooo much to learn.... tks!
7. ## I control the direction of the wind field with the direction of an object

Ok I did it. Tks! But now I'm trying something a bit different. Now I would like to find the velocity of the faces of a rotating object. Then This object will be a volume that will control the amount of wind on a grass field, this part is working, I just need to be able to transfer the velocity vector of the poly faces to the wind direction. I think I'm almost there. I've attached a simple scene ObjectVelocity.hipnc
8. ## I control the direction of the wind field with the direction of an object

Tks, but I'm not sure I can do all that. I'm missing some basics. Can you upload a simple scene? Tks!
9. ## I control the direction of the wind field with the direction of an object

Hi, I'm pretty new to houdini so probably this is very basic.How can I control the direction of the wind field with the direction of an object?I hope someone can helpTks!
10. ## I control the direction of the wind field with the direction of an object

Hi, I'm pretty new to houdini so probably this is very basic.How can I control the direction of the wind field with the direction of an object?I hope someone can helpTks!
11. ## H16 - Hair Dynamics fields

I figured it out. Tks Grass_RnD_001.hipnc
12. ## H16 - Hair Dynamics fields

I cant actually make this work on a Hair Sim. See attached. Hair_DOPMask.hipnc

Cool tks!
14. ## H16 - Hair Dynamics fields

Ok this is a dumb question , I'm very new to Houdini. I'll try to explain exactly what I want to achieve. I want to create a field of grass using hair and affect a group of hairs with a volume and a falloff. So only the hairs inside that volume will be affected by the wind. In Maya or Cinema 4D when we create a force field we can choose it's shape, how can this be done in Houdini? Tks!
15. ## H16 - Hair Dynamics fields

Hi, Is it possible in H16 to use an external field to affect the Hair Guide dynamics? Like for example a Vortex Force. Tks Cheers!
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