Makes sense, thanks Tim!

That means that the info from the "Distance to Output Camera" is doing
exactly what you need Emilio, since when centered the ICETree info matches
perfectly.

--
Ben Davis

www.moondog-animation.com

+33 6 88 48 54 50


On Fri, Mar 29, 2013 at 10:31 AM, Tim Leydecker <bauero...@gmx.de> wrote:

> Hey Ben,
>
> the farther offset the null is off center to the center of the camera view
> the more "off" the DOF would be because the DOF effect is sets in respect
> to the viewplane of the camera and it would take some Pythagorean theorem
> (http://en.wikipedia.org/wiki/**Hypotenuse<http://en.wikipedia.org/wiki/Hypotenuse>)
> to get the desired major cathetus,
> which is the Distance between Camera Center and a "Plane" from the shorter
> cathetus.
>
> To avoid that, itæ„€ easier to constraint the camera to "look at" the null,
> then the hypothenuse "snaps back into" the longer cathetus and there is
> no offset anymore to worry about.
>
> Cheers,
>
> tim
>
>
> On 29.03.2013 10:06, Ben Davis wrote:
>
>> It looks like "Distance to Output Camera" from the viewport options is
>> spitting out the info from a plane in front of the camera based on the
>> distance from the null if it were in the center of your camera's view. If
>> your null is centered, the values are the same from the ICETree and the
>> viewport info.
>>
>> The ICE info from the "Get Distance Between" is exactly the distance from
>> center to center (global.kine to global.kine). I don't see a problem with
>> using the info from ICE to feed into your DOF, you're probably going to
>> get
>> a more precise focus placement (I'll accept being refuted by the
>> photographers out there :)
>>
>> Hope that helps!
>>
>> Ben
>>
>> --
>> Ben Davis
>>
>> www.moondog-animation.com
>>
>> +33 6 88 48 54 50
>>
>>
>> On Fri, Mar 29, 2013 at 9:20 AM, Emilio Hernandez <emi...@e-roja.com>
>> wrote:
>>
>>  Hello I am trying to rig the camera DOF so I can attach the distance to a
>>> null.  I am the ICE distance between node.  But when I turn on the
>>> distance
>>> to output camera from the viewer, it gives me a different result.
>>>
>>> So the Distance to output camera from the viewport options is different
>>> than the Distance between node in the ICE tree using the kine.global.pos
>>> from the camera and the null.
>>>
>>> I will appreciate any help on this issue.
>>>
>>> --
>>>
>>>
>>>
>>

<<attachment: DOF_center.PNG>>

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