The reason I wanted it is that I had a world position pass where the angles
of the X and Z axis didn't fit the geometry, and in the end helped very
little. Rotating the p pass made the axis align and so was then a lot more
useful.
Cheers,
Ron Ganbar
email: ron...@gmail.com
tel: +44 (0)7968 007 309 [UK]
+972 (0)54 255 9765 [Israel]
url: http://ronganbar.wordpress.com/
On 24 July 2011 03:36, matt estela <m...@tokeru.com> wrote:
> It was to cheat a worldspace z-pass.
>
> In this shot the camera was animating back and forward with a character,
> and our default z-aov is in camera space, so it would animate too. We needed
> a worldspace z-pass, but rather than hassle the shader guys, we could take
> P-world, use Michaels trick to rotate it back to roughly align with the
> camera. Hooray for matricies!
>
> -matt
>
>
> On 23 July 2011 14:21, Ryan O'Phelan <designer...@gmail.com> wrote:
>
>> I'm just curious. Are you moving a volumetric matte, and want to be able
>> to move it on, say the z axis, but the 3d team made the scene from the side
>> or at an angle? Is that the issue?
>> On Jul 22, 2011 10:05 PM, "Tim BOWMAN" <netherlo...@gmail.com> wrote:
>> > Wow -- me too! And right now, too!
>> >
>> > Thanks Michael!
>> >
>> > -t
>> >
>> > On Fri, Jul 22, 2011 at 9:46 AM, matt estela <m...@tokeru.com> wrote:
>> >
>> >> Fantastic, needed this RIGHT NOW, excellent timing. :)
>> >>
>> >> -matt
>> >>
>> >>
>> >>
>> >>
>> >> On 21 July 2011 23:55, Michael Garrett <michaeld...@gmail.com> wrote:
>> >>
>> >>> Yes, it can be done. Just plug this into your position pass and change
>> >>> the input channels if necessary:
>> >>>
>> >>> set cut_paste_input [stack 0]
>> >>> version 6.2 v1
>> >>> push $cut_paste_input
>> >>> Axis2 {
>> >>> rotate {0 -17 0}
>> >>> name Axis1
>> >>> selected true
>> >>> xpos -120
>> >>> ypos -318
>> >>> }
>> >>> push 0
>> >>> ColorMatrix {
>> >>> matrix {
>> >>> {{Axis1.world_matrix.0} {Axis1.world_matrix.1}
>> >>> {Axis1.world_matrix.2}}
>> >>> {{Axis1.world_matrix.4} {Axis1.world_matrix.5}
>> >>> {Axis1.world_matrix.6}}
>> >>> {{Axis1.world_matrix.8} {Axis1.world_matrix.9}
>> >>> {Axis1.world_matrix.10}}
>> >>> }
>> >>> name ColorMatrix1
>> >>> selected true
>> >>> xpos -270
>> >>> ypos -215
>> >>> }
>> >>>
>> >>>
>> >>>
>> >>
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