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Effects distorted

Posted: Tue, 29th Jun 2010, 9:52pm

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intentmultimedia

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I'm very new to this program, but in experimenting I inserted a preset laser blast into a video. The effects are distorted and don't look like they did in FX. What did I miss? I chromo keyed in Vegas pro 9. Is there a different render I should have used. (I used quicktime)
Posted: Tue, 29th Jun 2010, 10:42pm

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2xZProductions

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IS there four corners on the effect? I would try resizing it and changing the shape.

If this doesn't help could you post a picture of these effects distorted?
Posted: Tue, 29th Jun 2010, 10:58pm

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Axeman

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A bit more detail about what is going on would be helpful.

Are the effects distorted in the program, or after you render? By distorted do you mean they have changed shape, or that there are flaws in the effects, such as horizontal lines running through them? Has the aspect ratio of your footage changed? If you can give us a clearer explanation of what exactly is going on, we can point you in the right direction.
Posted: Wed, 30th Jun 2010, 12:13am

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intentmultimedia

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I am using the pre-keyed rapid laser beams in the program, and in FX there are lines running through the beams, and when I import into Vegas the quality is not as good. Fuzzy outside, and larger in size. Am I correct to render in the same aspect ratio as my video? Also, I tried rendering as Animation and Dv but there is no change.
Posted: Wed, 30th Jun 2010, 12:29am

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Axeman

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intentmultimedia wrote:

I am using the pre-keyed rapid laser beams in the program,
Do you mean the RapidFireLaser AlamDV plug-in? Or are you using the Laser engine built into the software?

intentmultimedia wrote:

and in FX there are lines running through the beams,
When you say FX I assume you are referring to EffectsLab? Are the lines in the effects interlacing, as seen and explained in this article? So do I uderstand correctly that you see these lines in EffectsLab, when you apply the effect, and also after you render the footage?

intentmultimedia wrote:

and when I import into Vegas the quality is not as good. Fuzzy outside, and larger in size. Am I correct to render in the same aspect ratio as my video? Also, I tried rendering as Animation and Dv but there is no change.
Fuzzy outside of what? If the size of the video has changed, then you may have used the wrong settings when you created the project. Has the aspect ratio changed, or the size? Your project should be created with the same settings as the footage you want to export. Generally, this is also the same settings as the footage you will be importing. You are correct to render in the same aspect ratio as your original video. What is the resolution of the footage you are working with? what format and codec is the footage in before you import it into EffectsLab?
Posted: Wed, 30th Jun 2010, 12:48am

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intentmultimedia

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I'm sorry, I don't even know what those are. I am using the RapidFire beams that are in the software, just so I can figure it out.

Yes, they are horizontal lines. Both in the program and after render.

I believe what happened was I tried to crop and re-size in Vegas and this distorted it. So now I am assuming this must be done in Effects Lab? So I guess I import the section of video that has laser and re size/move to match the video. Then just render the effect? Sorry I am so new to this program. The video is widescreen standard DV.
Posted: Wed, 30th Jun 2010, 1:43am

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Axeman

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OK, I found the Rapid Laser Beams preset you are using, so I know which one it is now.

Are the horizontal lines interlacing, as shown in the knowledgebase article I linked to in my last post? Lines through the effect in EffectsLab is rather odd. After render its to be expected with interlaced footage, but in the program it shouldn't display that way.

As far as the cropping/resizing, I don't fully understand your workflow, I think, so I'll describe one typical workflow process and you can compare it to yours to see how they differ. Of course, there are many different ways you could set up your workflow, to suit your style and preferences, but here is a fairly typical one:

  • Edit your movie together in your video editing program (in your case, Vegas).
  • Find the first shot that requires effects work, and export that shot to a .mov or .avi file. We will call this file plate1.mov for the purpose of this explanation.
  • Open EffectsLab and choose the New Project - Select Movie option, and select plate1.mov to import it into EffectsLab. If you use the Select Movie option, EffectsLab will automatically match the project settings to the footage you select.
  • In EffectsLab, add the necessary effects. Adjust the size, position and coloring of each effect to fit your scene. Once you are happy with the way your effects are composited into the scene, you are ready to render.
  • In the Render menu, select Render Settings, and set the render settings to the format you wish to use, then click OK.
  • Select Render > Render to render out the new version of your video, with effects. Choose the codec you wish to use, adjust its settings as you see fit, then give your file a name and choose the location you want it to save to. For this explanation, we will call this file plate1_effects.mov.
  • Import plate1_effects into Vegas, and align the first frame of plate1_effects.mov with the first frame of plate1.mov on the timeline. This will automatically align the new version of the clip with the audio from the original.
  • Find the next shot in your Vegas project that requires effects work. Export it as plate2.mov, and repeat the process. Carry on until all the shots requiring effects are completed.


This process shouldn't require any cropping or resizing. If you are cropping to change the original framing of the footage, then that should probably be done in Vegas before you export for effects, as part of the edit, though that might vary depending on the scene in question. If you were cropping and resizing to try get the footage to look the way you wanted it to to begin with, then more likely something needs to be corrected in the rendering process as it goes through EffectsLab.

Don't worry about being new, we all had to start from scratch at some point. I'm not sure if you have watched the video tutorials, but they are great for helping you get familiar with the basic layout and working of the program as you are starting out.
Posted: Wed, 30th Jun 2010, 2:56am

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intentmultimedia

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Very helpful- thanks for your patience. When I render with the scene video, however, does it just render the effects? Or are both the video scene and effects rendered? I will play with this program more and yes I have watched several tutorials. Thanks again.
Posted: Wed, 30th Jun 2010, 4:43am

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Axeman

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Typically, when you render you embed the effects into a new copy of the video, so it renders the footage and the effects together, so they look exactly as you see them on the canvas in EffectsLab. If you wish to composite them together in another application, it is possible to render the effects separately from the footage, but its more complicated that way.

And the compositing tools in EffectsLab, which are used in many of the presets, won't be included if you render this way, as they require both the footage and effects layers to actually function. So if you render the effects separately, you will need a fairly decent compositing app to recreate the effect of those compositing tools.
Posted: Wed, 30th Jun 2010, 1:14pm

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intentmultimedia

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So there is no harm in rendering the DV video file in Effects Lab and then again in Vegas for final output? Thanks again.
Posted: Wed, 30th Jun 2010, 2:41pm

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Axeman

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As long as you are using a good intermediate codec or working with uncompressed footage, then there is not harm in it, no. Using the wrong codec could result in some degradation of the quality, but its simple enough to just avoid those codecs, which shouldn't be used during editing, ever.
Posted: Wed, 30th Jun 2010, 5:17pm

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intentmultimedia

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The DVNTSC setting is good enough, correct? The footage is from a Cannon GS2.
Posted: Wed, 30th Jun 2010, 7:23pm

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Axeman

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I can't find any info on the Canon GS2, are you sure that's the model?

The DV codec is a decent intermediate codec, yes. It still uses about a 5:1 compression ratio, if I recall, so there is potential for some quality loss if you are rendering the footage over and over and over, but in most cases it should be negligible.

That particular codec is going to default to the 720x480 resolution of DV-NTSC footage, though, so if your camera is recording to any other resolution, you might be better off using a different codec. I was going to check, but I can't find a Canon GS2 listed anywhere, so I don't know the specs on it.
Posted: Wed, 30th Jun 2010, 8:02pm

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intentmultimedia

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Sorry- I meant the Gl2. It's a pretty good camera. So the uncompressed option in Effects is the "none" option?
Posted: Wed, 30th Jun 2010, 8:29pm

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Axeman

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Ah, for the GL2, then yes, the DV-NTSC option is pretty safe.

And yes, "None" is the Quicktime Uncompressed format.