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Extracting 3D scene data

From: Up and Running with CINEMA 4D Lite for After Effects

Video: Extracting 3D scene data

So we've looked at multi-pass compositing, and the layer based compositing as ways of isolating elements in Cinema 4D. There are other methods that you can use to create compositing in Cinema 4D. Where you can actually composite 3D elements into the scene. New 3D elements within After FX. We're going to have a look at that here and how we can then apply effects to those. We're on chapter 13 cu start and if you want (INAUDIBLE) And what I'm going to do, is start by extracting seam data from the cinema 4d file.

Extracting 3D scene data

So we've looked at multi-pass compositing, and the layer based compositing as ways of isolating elements in Cinema 4D. There are other methods that you can use to create compositing in Cinema 4D. Where you can actually composite 3D elements into the scene. New 3D elements within After FX. We're going to have a look at that here and how we can then apply effects to those. We're on chapter 13 cu start and if you want (INAUDIBLE) And what I'm going to do, is start by extracting seam data from the cinema 4d file.

Just to show you that Cinema 4d file, this is chapter thirteen see you start.c4d. I'm going to hit Cmd + D or Control + E on Windows. To open it up in Cinema so you can see What it consist of. If you remember we setup a camera animation using a stage object (INAUDIBLE) to animate between different cameras. I also setup some nulls as well in here for these video walls so that we could replace these video walls and floors with video elements in aftereffects.

So we're now going to extract elements based on the nulls The lights and also these cameras. Now, very important, I have added a compositing tag to the nulls, because you need that in order to be able to bring the geometry of the Layer over to after effects. Let's just remind ourselves of the animation. (NOISE) (MUSIC).

Okay, so if we jump over to after effects the moment we've just go a single rendered Cinema 4D file but if I click on extract it creates All the cameras, lights, and nulls, that I set up using the compositing tags, from CINEMA 4D. And if I just, hit the accent key, hovering over the timeline, you can see what it's brought in. It's brought in the lights, three cameras, and two nulls, or layers, as they are in this case.

So, let's just jump back And let's see what we can do with this. Well, the first thing that I want to do is, I want to edit the cameras. Now, when you bring the cameras in, unfortunately it doesn't edit them for you, it just brings in three cameras And, unfortunately, you have to recreate the edit in AfterEffects. So there's no real workaround for that at the moment. So that's what I'm going to do here. I've set up some markers which will make it easier for me to jump around the scene.

So I'm going to jump to the first marker. J and K allow me to jump between markers. And I've set these up because I know these are the edit points where we jump from one camera to another camera. So basically I want these cameras to match up with the cameras, that we used to shoot the footage in CINEMA 4D. So I'm going to select the Close Up Start camera, and I'm going to go to Edit > Split Layer. And that just splits the layer at that point. And now I know that I'm not going to use this camera again until the end.

Basically I just looked at the original for reference, went into the animation setup and you can see that I've got markers in there. So I just used the markers for reference and created Markers in after effects which (UNKNOWN) So I want to cut it here so I'm going to hit alt + left bracket and that will trim the endpoint of that there. So I've got that camera at the beginning and the end. Then I want to go from that camera. At the first marker to the close up camera which is this one.

Now, I don't want to move the layer because we have keyframes on this layer. So it's very important that these keyframes are maintained. So what I've, shall do is just trim that layer. So Alt + left bracket trims in point. And then I'll jump to the next marker, and I'm going to split the layer. So command shift D, or control shift D on Windows, to split the layer. And then, I'm going to jump to the next marker. Need to actually be able to see the markers on the layer to be able to jump to them.

And this time, I'm just going to split the layer again, because I know that I need another piece of it. If I just trim it, I won't have any left. So, I'm going to split the layer. Cmd > Shift > d, or Ctrl > Shift > d on Windows, and then we need, the white text again. Now, I've accidentally trimmed instead of splitting the layer. I should've split the layer, really, but we'll just carry on, and I'll show you how we can duplicate it in a second. So what I'll just do is trim this one, so Alt-left bracket, and then the last bit will be here at the next marker, and I'll just do Alt-right bracket there for a second.

I may need to trim that a little more. So if you have >> Deleted to much of a layer. You can just duplicated it. And best if I move it up so I don't get confused in terms of the timing of the layer. And then, I'm just going to reset the end point. So, Alt+Left Bracket and Alt+Right Bracket. will trim to those markers. Okay. I've made a bit of a mess and that really. A bit (INAUDIBLE) but never mind, you get the idea. So, this one actually needs to be trimmed one frame back.

So, I'm going to trim that one frame back. I'm going to duplicate this again. Now if I do split layer instead of trim, I would have saved myself a whole lot of bother. OK. I'm just going to trim this one by hand. OK, so now we have The cameras matching up with the cameras from my scene. I've actually just realized, I've made a complete mistake with that. I've actually, just used the same camera throughout, okay. It's very easy to make mistakes in After Effects, and I don't like to record over my mistakes.

so I"m going to leave that in there and just very quickly re-trim it. So of course, it should alternate, between Two cameras, so it should go from the tracking camera to the wide camera, and vice versa. So to do it correctly, you see, what I should do, is instead of trimming the layer Hit Cmd > Shift > d to split the layer, and then I have enough left to do the next gap. So, one frame ahead, Cmd > Shift > d, to split the layer again, you can delete that portion, and then, just trim it here, so select it, and hit Okay, there may be a little bit of trimming still to go on there.

So apologies for me making those mistakes but I like to leave mistakes in there because it makes you feel better about it when you make mistakes too. So there we have the cameras animating in time with the other cameras. Now, at the moment their not visible so. These solids don't react to the cameras as we move through but if I make these cameras visible you'll see now that as we move through and I'm just going to do this quite quickly, just do a quick grand preview holding down Shift>Render every second frame.

You should now see When the solids come into shot the-, they're reacting to all the different cameras. So basically all those camera are mimicking the camera I used in Cinema 4D. So any new 3 d elements that we composite in here ill match those camera moves. And that's what we're going to do in the next step. We're going to use those nulls. To position some video layers to create a background for this composite. Okay. I've got a little bit more work to do on that, the trimming of those camera layers, so while I do that, I will let you move on to the next video.

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This video is part of

Image for Up and Running with CINEMA 4D Lite for After Effects
Up and Running with CINEMA 4D Lite for After Effects

104 video lessons · 9005 viewers

Angie Taylor
Author

 
Expand all | Collapse all
  1. 2m 22s
    1. Welcome
      2m 22s
  2. 38m 14s
    1. What is CINEMA 4D Lite?
      4m 23s
    2. What CINEMA 4D Lite can't do
      6m 54s
    3. Opening CINEMA 4D Lite in After Effects
      2m 38s
    4. Quick interface tour
      8m 46s
    5. Navigation tips for CINEMA 4D Lite
      8m 5s
    6. CINEMA 4D Lite preferences and settings
      7m 28s
  3. 22m 34s
    1. Importing CINEMA 4D files in After Effects
      1m 5s
    2. The CINEWARE plugin settings
      4m 42s
    3. CINEMA 4D Lite render settings
      6m 15s
    4. After Effects project settings
      1m 23s
    5. After Effects previewing tips
      3m 50s
    6. Using the Picture Viewer in CINEMA 4D
      5m 19s
  4. 1h 14m
    1. Editing primitive objects
      5m 18s
    2. The Move and Scale tools
      7m 18s
    3. The Rotate tool
      4m 24s
    4. Axis limitations
      1m 46s
    5. Working cylinders
      7m 15s
    6. Linking body parts using object hierarchy
      9m 49s
    7. Spline modeling with Sweep NURBS
      7m 22s
    8. Adjusting NURBS settings
      4m 6s
    9. Using nulls as controllers
      3m 33s
    10. Creating copies with the Instance array
      6m 44s
    11. Carving shapes with the Boole array
      10m 28s
    12. Reshaping objects with deformers
      3m 14s
    13. Adding surface detail with a Relief object
      2m 55s
  5. 55m 41s
    1. Understanding coordinates
      5m 0s
    2. Understanding rotation
      2m 39s
    3. Timeline shortcuts
      3m 1s
    4. Basic keyframing of properties
      4m 31s
    5. Copying keyframes
      2m 3s
    6. Keyframe interpolation
      5m 20s
    7. Adjusting F-Curves
      5m 45s
    8. Holding values
      5m 8s
    9. Using XPresso to link properties: Part one
      4m 17s
    10. Using XPresso to link properties: Part two
      2m 27s
    11. Importing existing animations into CINEMA 4D Lite
      6m 21s
    12. Animating cameras in CINEMA 4D Lite
      4m 37s
    13. Animating using presets
      4m 32s
  6. 46m 30s
    1. Importing music and soundtracks
      4m 12s
    2. Customizing commands and shortcuts
      6m 7s
    3. Adding markers
      4m 25s
    4. Creating multiple cameras in CINEMA 4D Lite
      8m 17s
    5. Cutting between CINEMA 4D cameras with CINEWARE
      4m 23s
    6. Creating cameras in After Effects
      5m 30s
    7. Merging 3D camera data into CINEMA 4D Lite
      3m 10s
    8. Animating cameras with Stage objects
      4m 27s
    9. Extracting cameras from CINEMA 4D files
      5m 59s
  7. 43m 49s
    1. Adding CINEMA 4D text to After Effects comps
      5m 4s
    2. Formatting text in CINEMA 4D
      5m 47s
    3. Creating CINEMA 4D text or logos in Illustrator
      6m 9s
    4. Importing Illustrator text into CINEMA 4D Lite
      4m 38s
    5. Applying material presets to text
      7m 51s
    6. Merging CINEMA 4D files
      5m 51s
    7. Registering CINEMA 4D Lite for MoGraph features
      1m 8s
    8. Using MoGraph Fracture on text
      3m 25s
    9. The MoGraph Random Effector
      3m 56s
  8. 12m 8s
    1. Creating a wiggle expression
      7m 49s
    2. The Reset Position script
      4m 19s
  9. 30m 56s
    1. Applying a custom material
      6m 32s
    2. Making a metallic material
      6m 15s
    3. Adding an environment channel
      2m 20s
    4. Adding texture with shaders
      4m 21s
    5. Built-in material presets
      3m 52s
    6. Combining materials
      2m 41s
    7. Using selection sets to isolate surfaces
      4m 55s
  10. 27m 42s
    1. 3D camera tracking in After Effects
      6m 3s
    2. Creating nulls from tracking points
      2m 40s
    3. Adjusting the Shadow Catcher for CINEMA 4D
      3m 31s
    4. Importing a CINEMA 4D file into a scene
      4m 21s
    5. Exporting CINEMA 4D files from After Effects comps
      3m 42s
    6. Merging objects from CINEMA 4D files
      3m 23s
    7. Manually adjusting scenes between apps
      4m 2s
  11. 19m 18s
    1. Setting up layers in CINEMA 4D
      6m 11s
    2. Compositing CINEMA 4D layers in After Effects
      3m 28s
    3. Casting shadows on layers in CINEWARE
      4m 56s
    4. Adding reflections in CINEMA 4D
      4m 43s
  12. 36m 10s
    1. Using preset lighting setups
      6m 24s
    2. Light types in CINEMA 4D Lite
      6m 38s
    3. Creating visible lights
      7m 56s
    4. Adding ambient occlusion effects
      6m 55s
    5. Optimizing your CINEMA 4D scenes
      8m 17s
  13. 34m 39s
    1. Multipass compositing explained
      2m 28s
    2. Adding passes to render settings
      2m 8s
    3. Viewing passes in the Picture Viewer
      2m 35s
    4. Adding object buffers
      4m 51s
    5. External compositing tags in CINEMA 4D Lite
      3m 8s
    6. Previewing and experimenting with passes
      4m 30s
    7. CINEWARE multipass options
      7m 8s
    8. Adjusting reflections
      3m 2s
    9. Isolating elements with object buffers
      4m 49s
  14. 53m 2s
    1. Extracting 3D scene data
      8m 11s
    2. Adding video elements to a CINEMA 4D scene
      5m 49s
    3. Working with proxies
      10m 2s
    4. Color correction of shadows
      4m 10s
    5. Layer styles
      3m 50s
    6. Adjustment layers
      4m 58s
    7. Setting up depth of field in CINEMA 4D Lite
      3m 10s
    8. Adding depth of field with camera lens blur
      4m 4s
    9. Speed ramps with time remapping
      4m 14s
    10. Motion blur with the Pixel Motion Blur effect
      4m 34s
  15. 13m 59s
    1. Rendering with the After Effects Render Queue
      5m 39s
    2. Background rendering with Adobe Media Encoder
      4m 6s
    3. The BG Renderer script
      4m 14s

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