[Sidefx-houdini-list] Pop in Dop hittime?

Dominik Kirouac dk at shedmtl.com
Mon Feb 3 08:42:33 EST 2014


Thanks guys for the solutions,

Work like a charm, I learn a lot with these help/scn :).

Doum

Le 03/02/2014 7:34 AM, Javier Meroño a écrit :
> http://forums.odforce.net/topic/19383-pop-in-dop-hittimehow-to-get-only-first-hit-time-for-particles/
>
> You´re right, So this is the odforce link to the scene file.
>
> regards,
>
> Javier Meroño
>
>
>
>> Date: Sun, 2 Feb 2014 18:42:59 -0500
>> From: sidefx at trinix.ca
>> To: sidefx-houdini-list at sidefx.com
>> Subject: Re: [Sidefx-houdini-list] Pop in Dop hittime?
>>
>> I don't think you can attach a file with this mailing list.
>>
>> Javier Meroño wrote:
>>> hi,
>>>
>>> I just implemented Nick´s explanation into an actual HIP file for anybody (specially Dominik) to check.
>>> It works nicely.
>>>
>>> it´s a bit delayed because files into this group have to go through moderation (understandably).
>>>
>>> regards,
>>>
>>> Javier Meroño.
>>>
>>>    
>>>> Date: Sun, 2 Feb 2014 08:43:19 +0100
>>>> From: nick at nicknimble.com
>>>> To: sidefx-houdini-list at sidefx.com
>>>> Subject: Re: [Sidefx-houdini-list] Pop in Dop hittime?
>>>>
>>>> Hi Dominik,
>>>>
>>>> Like Francois suggested, I would make a custom attribute that defaults
>>>> to -1 which means it hasn't been set before. Then you can have a simple
>>>> VOPPOP that does a check if the particle has hit/impact values set on
>>>> this frame, if so you check if your custom attribute equals to -1 (it
>>>> hasn't been set before), then write the hit/impact value you are
>>>> interested in to your custom attribute. Because you have a check that
>>>> verifies if the attribute equals -1, it can only been set once being the
>>>> first impact.
>>>>
>>>> Good luck! :-)
>>>>
>>>> Cheers,
>>>> Nick, be Nimble
>>>> -- 2014 the year where things become clearer --
>>>> +31 622 4243 94 | www.nicknimble.com | www.facebook.com/nicknimble
>>>>
>>>> On 01/02/14 03:33, François Duchesneau wrote:
>>>>      
>>>>> Hi Dominik,
>>>>>
>>>>> I haven't used the new Pop in Dop but I guess you can create a custom
>>>>> attribute and set its value to be the minimum between itself at the
>>>>> previous step and the hittime. Maybe you'll have to tell the default
>>>>> value is 9999 for the case hittime is not set yet.
>>>>>
>>>>> If you're looking for the clean way of doing it, I don't know though :)
>>>>>
>>>>> Francois
>>>>>
>>>>> Dominik Kirouac wrote:
>>>>>        
>>>>>> Hey all,
>>>>>>
>>>>>> I have a simple Pop in Dop Question.
>>>>>>
>>>>>> I'm trying to get the hittime attribute of the first hit, because the
>>>>>> particles are sliding on the surface, the hitime update each frame.
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> Doum
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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