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Alexander Enzmann wrote:
> What is cyclic? You can always copy the first key to the end of the
> animation. In the long run I'd like to do the MAX thing where you can
> define out of range functions that allow a couple of different types of
> cycling.
>
> Xander
From the POV-Ray docs -
Cyclic Animation
Cyclic_Animation=bool Turn cyclic animation on/off
+KC Turn cyclic animation on
-KC Turn cyclic animation off
Many computer animation sequences are designed to be run in a continuous
loop. Suppose you have an object that rotates exactly 360 degrees over the
course of your animation and you did rotate 360*clock*y to do so. Both the
first and last frames would be identical. Upon playback there would be a
brief one frame jerkiness. To eliminate this problem you need to adjust the
clock so that the last frame does not match the first. For example a ten
frame cyclic animation should not use clock 0.0 to 1.0. It should run from
0.0 to 0.9 in 0.1 increments. However if you change to 20 frames it should
run from 0.0 to 0.95 in 0.05 increments. This complicates things because
you would have to change the final clock value every time you changed
Final_Frame. Setting Cyclic_Animation=on or using +KC will cause POV-Ray
to automatically adjust the final clock value for cyclic animation
regardless of how many total frames. The default value for this setting
is off.
--
Ken Tyler - 1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
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So you set the stop time for the animation to be one frame before the
last key. It's really pretty easy.
Steps to follow:
- Copy first key(s) to end point of animation.
- Open animation dialog
- Set time display to frames
- Look at frame number of last frame
- Set end time (in animation limits) to one less than last frame
- Render
That's really all that is done by having "cyclic" as described by you
and Ken. Of course there is always the option of rendering all the
frames as individual images and deleting the last one (or the first
one)...
Xander
Alex Wolff wrote:
>
> Alexander Enzmann wrote:
> > What is cyclic? You can always copy the first key to the end of the
> > animation.
>
> cyclic animation means an animation which can be looped. if the first
> and the last frame are the same, the loop isn't perfect; there is always
> a little stop because you got one frame more than you need for a smooth
> loop.
> alex
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hi xander!
both ways you described are working, BUT:
-deleting the last rendered picture is not so easy when you want to
produce an AVI directly with the animation-plugin.
-if you want to scale the animation-time AFTER you set the last frame to
one less, the loop is no longer smooth!
Please, please, please, gimme that little "cyclic animation"-checkbox !)
alex
Alexander Enzmann wrote:
> So you set the stop time for the animation to be one frame before the
> last key. It's really pretty easy.
>
> Steps to follow:
> - Copy first key(s) to end point of animation.
> - Open animation dialog
> - Set time display to frames
> - Look at frame number of last frame
> - Set end time (in animation limits) to one less than last frame
> - Render
>
> That's really all that is done by having "cyclic" as described by you
> and Ken. Of course there is always the option of rendering all the
> frames as individual images and deleting the last one (or the first
> one)...
>
> Xander
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"Alex Wolff" <ale### [at] gmx de> wrote in message
news:389E0B71.CCA62674@gmx.de...
> hi xander!
> both ways you described are working, BUT:
> -deleting the last rendered picture is not so easy when you want to
> produce an AVI directly with the animation-plugin.
> -if you want to scale the animation-time AFTER you set the last frame to
> one less, the loop is no longer smooth!
> Please, please, please, gimme that little "cyclic animation"-checkbox !)
i dont think its going to get any better for the short term at least, if the
methods proposed by xander do not give you the result you are after, maybe
you'd be better doing it in regular pov script.
anyhow!, enougth piddly little looping animations!!, its time to start
making mini movies.
Rick
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Rick [Kitty5] wrote:
> i dont think its going to get any better for the short term at least,
> if the
> methods proposed by xander do not give you the result you are after,
> maybe
> you'd be better doing it in regular pov script.
>
> anyhow!, enougth piddly little looping animations!!, its time to start
>
> making mini movies.
my looping animations aren't piddly little and (as i wrote before) the
methods proposed by xander don't work when you scale the animation-time
AFTER setting the keys.
when you understood what i meant with the problem of "quantized
animation-time"(in RE:wishes for the animation plugin), you will
understand my longing for a "cyclic animation"-checkbox.
alex
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I get it - doing trial runs with one FPS and then rendering with
another, you end up with problems getting exactly one less than the
desired number of frames. I suppose a "drop the last frame" checkbox
would be pretty easy to do (and much easier for the program than for
you).
Xander
Alex Wolff wrote:
>
> hi xander!
> both ways you described are working, BUT:
> -deleting the last rendered picture is not so easy when you want to
> produce an AVI directly with the animation-plugin.
> -if you want to scale the animation-time AFTER you set the last frame to
> one less, the loop is no longer smooth!
> Please, please, please, gimme that little "cyclic animation"-checkbox !)
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Same happened here, the DLL itself doesn't show up in the Pvengine.ini file,
only the Moray path does. I have the POV-Ray 3.02 and 3.1g for Windows both
installed if that might make a difference in it.
Bob
"Alex Wolff" <las### [at] hrz1hrztu-darmstadtde> wrote in message
news:388### [at] hrz1hrztu-darmstadtde...
| Alexander Enzmann wrote:
| >
| > P.S. Did the GUI extension really not get written into the .ini file?
| > Anyone that sees this happen, please let me know OS and directory
| > specifics. The plugin looks in the registry to find the location of the
| > .ini file and add the extension. I need to see if it's a plugin
| > problem, a POV-Ray problem, a registry problem, ...
|
| hi xander,
| i installed your plugin (version: beta 18) on my friends computer and
| later on my computer.
| both times the gui-extension wasn't written into the .ini file.
| looking into the file, i found a line:
| ExtDll29=C:\programme\MORAYforWindows3.1\Plugins
| the path is right but i needed to add the DLLs name
| \AnimGuiExt.dll
| by hand. after doing this, all worked perfekt!
|
| here's a little idea for oncoming versions:
| when doing animations with povray itself, you have the possibility to
| set a flag (+kc) for cyclic animation. for i'm a real friend of cyclic
| animtions, i miss this flag in your plugin very much...
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Figured I better go ahead and bring this up here.
The IK Keyframing isn't able to do multiple segments in one run apparently. Is
that the usual operation of the animation plugin? Sorry if it's already been
talked about, I hadn't seen anything about it.
I've managed a work around by doing separate segments where I right-click on the
Key button before beginning the next part and choosing Delete/Scene keys. That
way it starts fresh where the objects left off from the previous run.
Please note that I have only done a trial run of this so far, I'm not a true
Moray user (yet). I plan to get registered soon because this program can do
plenty well for most anything I'd ever want to try even though I'm clumsy with
GUI/wireframe modelers.
If anyone knows more about keyframing into segments within one animation run I'd
sure appreciate hearing the story on it.
Bob
"Alexander Enzmann" <xan### [at] mitreorg> wrote in message
news:3875F59E.71CCE9F7@mitre.org...
| The Animation Plugin is now available for Moray 3.2. You can download
| it from:
|
| http://pages.hotbot.com/arts/are/index.html
|
| There have been numerous changes from the earlier version. Report any
| problems or requests either here or directly to me. The earlier version
| of the plugin will not be supported (which means if you use a version of
| Moray before 3.2 you are SOL).
|
| Xander
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Bob Hughes wrote:
> I've managed a work around by doing separate segments where I
> right-click on the
> Key button before beginning the next part and choosing Delete/Scene
> keys. That
> way it starts fresh where the objects left off from the previous run.
hi xander,
i've found out some strange behavior of your anim-plugin when doing
interpolation between keyframes. it may have to do with the problem bob
hughes described (although i don't understand all of what he said..).
to reproduce, try this:
-starting moray with the default scene (one camera, one light)
-create a simple sphere located at the origin
around the
z-axis
-click the key-sign to activate animation
-choose >render>options>25 fps;100frames
-right click the key-sign>set>selected
-choose linear interpolation
-move slider to last frame
-type in 720.0 degree for z-rotation (key is automatically set)
-now move the slider and watch the z-rotation values!
-> there is no rotation but a switch from 0 to 720 at the last frame.
workaround:
-set a key at frame 50 with z-rotation 360 AND
set a key at frame 25 with z-rotation 180
-now it works and (that's funny) now you can delete the keys at frame 50
and 25.
------------
another problem with the animation-plugin:
choosing at the option menu "25 FPS" makes an animation with only every
5th frame to be rendered (polyray and povray)
workaround is to choose "custom", type in 25 FPS, reset the end frame to
100 (or whatever it was) and now:
-click "OK" and then render>animation. don't go back to render>options
because the options menu will not be the same that you had left...
alex
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Sounds like program bugs to me anyway :-)
Could it be that the keyframes only go from 0 to 1 in a clock cycle for the
total set number of frames and so it causes problems because of that?
I had tried increasing the total number of frames incrementally and then doing
another keyframing for each. It turns out just like if you were to set multiple
keyframes within one set of total frames (in other words I was going back and
resetting the number of frames after each successive keyframe change).
Anyhow, both ways produce a flawed animation. Only way I could do it right was
to Delete/Scene at the end of each keyframing change and animate again (after
setting up another animation), renaming each previous Avi sequence so as not to
overwrite it, then splice all of them together later in VidEdit.
I didn't see anything wrong as long as there were no in-between keyframes,
unlike what Alex has said here. If I moved the slider to the last frame and set
the object there only then all was fine. When I tried more than one keyframe in
one animation sequence then it broke the movement.
Hope that explains better what I was trying to say. Still, it might not be a
bug after all since it does work for one uninterrupted keyframe animation.
Bob
"Alex Wolff" <ale### [at] gmxde> wrote in message
news:38A75B50.F3380999@gmx.de...
| Bob Hughes wrote:
|
| > I've managed a work around by doing separate segments where I
| > right-click on the
| > Key button before beginning the next part and choosing Delete/Scene
| > keys. That
| > way it starts fresh where the objects left off from the previous run.
|
| hi xander,
| i've found out some strange behavior of your anim-plugin when doing
| interpolation between keyframes. it may have to do with the problem bob
| hughes described (although i don't understand all of what he said..).
| to reproduce, try this:
| -starting moray with the default scene (one camera, one light)
| -create a simple sphere located at the origin
| around the
| z-axis
| -click the key-sign to activate animation
| -choose >render>options>25 fps;100frames
| -right click the key-sign>set>selected
| -choose linear interpolation
| -move slider to last frame
| -type in 720.0 degree for z-rotation (key is automatically set)
| -now move the slider and watch the z-rotation values!
| -> there is no rotation but a switch from 0 to 720 at the last frame.
| workaround:
| -set a key at frame 50 with z-rotation 360 AND
| set a key at frame 25 with z-rotation 180
| -now it works and (that's funny) now you can delete the keys at frame 50
| and 25.
|
| ------------
| another problem with the animation-plugin:
| choosing at the option menu "25 FPS" makes an animation with only every
| 5th frame to be rendered (polyray and povray)
| workaround is to choose "custom", type in 25 FPS, reset the end frame to
| 100 (or whatever it was) and now:
| -click "OK" and then render>animation. don't go back to render>options
| because the options menu will not be the same that you had left...
|
| alex
|
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