XYZ Camera Rotation w/ bezier curves - CS4

Hi, I've been doing a workaround but I'd like to figure out the proper way to do this...
It's really simple:
Camera rotates left 45º on y-axis (like you are turning your head)
then, Camera rotates up 45º up on x-axis (like you are looking up)
I want to be able to control the motion with bezier points.
-- Problem: the y-axis rotation does not offset the x-axis rotation (apparently on world not local) and the camera twists the horizon line (like you are twisting your head like a confused dog)...
Workaround 1:
y-axis Rotate
x-axis Orientation
-- Problem, orientation does not allow XYZ bezier point manipulation in the AE graph editor (severely handicapped motion control) <anger><hostility>
Workaround 2:
y-axis Rotate on Camera
parent camera to a null
x-axis Rotate on Null
-- Problem, keypoints to animate camera are on 2 completely different objects.
There has got to be a better way. Please, please, enlighten me...
(disclaimer: I'm used to Lightwave 3D's camera rotation, and AE7 messed me up with the new graph editor – velocity graph doesn't make any sense to me)
p.s.
found this thread after I posted (even though I searched):
http://forums.adobe.com/message/1952927#1952927
thanks Mylenium
http://www.guerrillacg.org/home/3d-rigging/the-rotation-problem
Gimble Lock is something I've fought in Lightwave so I'm aware of that. But a fixed world x-axis rotation on a camera seems AE specific – it's really weird.
Last, Orientation and Rotation x-axis both seem to be world coordinates. Both produce the same problems if using x and y on the same parameters...
Message was edited by: Eric Bintner

There are a couple of ways that I would approach this. The first would be to animate the point of interest instead of rotation.
The second would be to put the camera on a dolly. I do that all the time by adding a Camera, then adding a Null, making it 3D and then moving the null to the same position as the camera (copy and paste position). I then name the Null "camera dolly" and use the dolly to move the camera. Now you can simply adjust the pan of the camera with the Y rotation of the camera and the tilt with the x rotation of the dolly or by animating the point of interest.
It's nearly impossible to get the kind of movement you expect by setting X, Y and Z keyframes for camera rotation or by setting keyframes for orientation with Auto orientation turned off. Movement is much easier when you split the controls between a null and the camera.
As far as adjusting the movement with bezier curves, you can control the timing with bezier curves, but if you want to use curves for the angle you'll have to use the point of interest and adjust these curves with the (g) pen tool in the comp window using something other than Active Camera View.
I hope this helps. One of these days I'll put all of my camera techniques in a tutorial.

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Object scaling does not seem to work correctly with objects containing Bezier curves

I created a closed object that had a Bezier curve as part of it's definition. I wanted to scale it by 110% and then use this second enlarged object to create a sort of a background underneath the first object to create a sort of a shadow effect. But rather than the second object being uniformly larger than the first it intersects the original object in ways that don't make sense to me.
Is there an easier/differnt way to create an effect like this? I can do it but have to manually adjust a lot of points in the new object so that they create a uniformly larger version of the original object but it's a lot of effort for something that works fine for normal polygons with straight lines (e.g. a star with 5 points).
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ps - i've attached an image of what I get with this technique of creating two examples of two objects one a 110% scale version of the other. The first star shows the effect I'm trying to get and the second shows the problem (the red border does not surround the black object uniformly around the perimeter)

Bubba,
Referring to post #16 (trying to get it more right from the start than in post #15),
the scaling will be symmetric with parallel segments if the original object is rotationally symmetric and reflectionally symmetric about two orthogonal axes, and that is also the case.
The scaling of the object in post #16 is in fact symmetric because corresponding segments of original and scaled object have the same distance all the way round.
The five star in the OP is rotationally symmetric but only reflectionally symmetric about one axis, so the segments are parallel, but the scaling is not symmetric because there different distances between corresponding segments, even though you were actually satisfied with it:
The first star shows the effect I'm trying to get and the second shows the problem
This could be mended by scaling from the centroid.
If you need to have the same distance between all the segments of original and scaled object, with scaling you are restricted to objects where all segments start and end at the same distance from the centroid, as in regular polygons (including the square), regular stars, and the circle (with its curved segments). Objects with curved segments derived from regular polygons and stars will have varying distances and non parallellism within each segment.

Is there a 3D rotate tool in Photoshop CS4 (non-extended)?

I have just installed Photoshop CS4 of my new iMac. Although I had been led to believe that even the non-extended version came with the 3D rotation tool, in fact, I can find no evidence of it! Was I misled? If so, I am sad. Please advise how I might find it, or even add it?

Yes, you are probably right about how I was led to believe the 3D tool was on the "basic" CS4 Photoshop. Thanks very much.
Meredith
Date: Wed, 5 Aug 2009 10:04:35 -0600
From: [email protected]
To: [email protected]
Subject: Is there a 3D rotate tool in Photoshop CS4 (non-extended)?
Hi Meredith,
Illy aka Adobe Illustrator aka AI.
Photoshop CS4 (non Extended) has a Rotate view tool that works with support video cards to rotate the document canvas. Could that be what was mistakenly called out as 3D rotate tool. (http://www.adobe.com/products/photoshop/photoshop/features/?view=topnew) Depending on the configuration/age of your iMac model you may not se this.
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>

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Hello
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var c = getAnnots3D(0)[0].context3D;
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So really, I'm not sure what you are trying to do. Let the camera rotate freely in only 2 of it's own axis? only 2 of the world axis? or orbit an object only on 2 axis? only let it move left and right, but prevent it from tilting up or down? ...
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Hello,
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www.funpods.com

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There is a different type of bezier curve where, for example, you draw control nodes in a square, and the curve forms a circle within that square because it curves around not touching the control nodes.
This bezier curve type that I described creates the smoothest curves and shapes. I use this interchangeably with the other bezier curve types.
Unfortunately this curve type is not available in Adobe Illustrator, and as such all of the curves that I create in Adobe Illustrator for the past year are very tedious, awkward, and have strange quirks in them.
I hope that you will know what I am talking about from this example. Since I paid $600 for software I don't want to switch at this point but I am disappointed.

On the right is the way of constructing curves that I have found most useful.
X,
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Quadratic Beziers require less processing because there is but one control handle associated with each segment. But illustrating with them is actually more tedious, because you have to create more segments. A good way to become irreversably convinced of that is to try to actually draw typeface glyphs using quadratic curves instead of cubic (which you can do in some font-editing programs). It's a royal pain. That's why it's common among those who create TrueType fonts to draw using cubic Beziers and then convert them to quadratic TrueType curves. And it's why cubic Beziers are considered the conventional-wisdom norm in more serious mainstream drawing programs.
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some animators are reporting frequent crashes specificaly when using bezier curves.
Graphics card driver (Nvidia) is the same as others that do not report the issue.
Dump Summary
Dump File:          FlashPro crash log (3).mdmp : S:\SYSTEM\installs\Crash_Dumps\FlashPro crash log (3).mdmp
Last Write Time:          08/11/2013 15:24:31
Process Name:          Flash.exe : C:\Program Files (x86)\Adobe\Adobe Flash CS6\Flash.exe
Process Architecture:          x86
Exception Code:          0xC0000005
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Heap Information:          Not Present
System Information
OS Version:          6.1.7601
CLR Version(s):
Thanks,
F.

Reset Adobe Flash CS to default configurations
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Double click on Adobe Flash’s icon.
Holding down the Command, Option, Shift keys quickly
When a dialog box appears, click Yes.
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#(704)# 9:31:41 AM 05/18/04 Normal : Loading : C:\Program
Files\Novell\ZENworks\WMSchApi.dll
#(704)# 9:31:41 AM 05/18/04 Critical : ZENNDSUtil: Failed to load
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#(704)# 9:31:41 AM 05/18/04 Critical : ZENNDSUtil:
readVerifyInformation: initializeContext() failed for master 0,
tree:TWB_COMPANY
#(704)# 9:31:41 AM 05/18/04 Normal : Reading workstation DN and tree
name...
#(704)# 9:31:41 AM 05/18/04 Normal : workstation DN -
CN=ROBOT_TECH00:0D:56:CC:82:20.OU=Workstations.OU= MONROE.OU=NORTHERN.O=TWB,
treename - TWB_COMPANY
#(704)# 9:31:41 AM 05/18/04 Normal : Loading : C:\Program
Files\Novell\ZENworks\WMSchApi.dll
#(704)# 9:31:41 AM 05/18/04 Critical : ZENNDSUtil: Failed to load
WMSchApi.dll. Error: 1114
#(704)# 9:31:41 AM 05/18/04 Critical : ZENNDSUtil:
readVerifyInformation: initializeContext() failed for master 1,
tree:TWB_COMPANY
#(704)# 9:31:41 AM 05/18/04 Normal : RMSessionFinished - Begin
#(704)# 9:31:41 AM 05/18/04 Normal : ZENNDSUtil: Unloaded modules...
#(704)# 9:44:39 AM 05/18/04 Normal : Loading : C:\Program
Files\Novell\ZENworks\ZenLite.dll
#(704)# 9:44:39 AM 05/18/04 Normal : Loading : C:\Program
Files\Novell\ZENworks\ZenPol32.dll
#(704)# 9:44:39 AM 05/18/04 Normal : ZENNDSUtil: Successfully loaded
dependent modules...
#(704)# 9:44:39 AM 05/18/04 Normal : PingXTier: Logged in User:
CN=GAMCCLAI.OU=ENGR.OU=MONROE.OU=NORTHERN.O=TWB
#(704)# 9:44:39 AM 05/18/04 Normal : Failed to open
HKLM\Software\Novell\ZENworks\MiddleTierAddress
#(704)# 9:44:39 AM 05/18/04 Critical : ZENNDSUtil: Failed to obtain
the Middle Tier address
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However they’re still limited in the same way as real grads are: they run in a straight line across a region of equal width.
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XYZ Camera Rotation w/ bezier curves - CS4

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