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Using Render Elements to optimize render passes

From: CINEMA 4D: Rendering Motion Graphics for After Effects

Video: Using Render Elements to optimize render passes

The Render Elements plug-in really gives us a lot of control over exactly what passes we are going to be rendering out and bringing into After Effects. What we want to do in this movie is to optimize our render settings, and what I mean by that is by turning off selected elements-- for example, in the Beams Pass--the only thing we need to see are the beams and we don't need any object buffers or anything like that along with the beams because none of the things that have object buffers are going to be visible in the scene. So, we can go through our Render Settings and turn off all the things that we don't need for that render. That will save us a lot of drive space.

Using Render Elements to optimize render passes

The Render Elements plug-in really gives us a lot of control over exactly what passes we are going to be rendering out and bringing into After Effects. What we want to do in this movie is to optimize our render settings, and what I mean by that is by turning off selected elements-- for example, in the Beams Pass--the only thing we need to see are the beams and we don't need any object buffers or anything like that along with the beams because none of the things that have object buffers are going to be visible in the scene. So, we can go through our Render Settings and turn off all the things that we don't need for that render. That will save us a lot of drive space.

So, what I am going to do here in the file is go to the Plugins menu and go to Render Elements, and let's start off with the Beams Pass. And right now, the Stadium Pass is loaded, and I can tell because of this little asterisk here. So, I will select Beams and click the Load button. And I will just verify it by hitting Command+R or Ctrl+R, and you can see there is my beams. So, if I go to the Render Settings and in the Render Settings and if I twirl open my Multi-Pass, I can see that all of these multi-pass steps are all on, and I don't need those. The only thing I need is the RGBA Image. And so I'm going to delete everything in this multi-pass scene except for the RGBA Image.

So, I will go to hold on the Shift Key, and then I will hit Delete, and then I'll do the same thing down here and delete and delete. And then all I see is the RGBA Image for my Beams Pass. And then if I go to the Save option, you can see its Beams, but it doesn't say where the file is going, and so I'm going to tell it where to put that file. So, I'll click on the Save Image button, and I'm going to go to, in the Exercise Files, the C4D renders folder. Now, this is very important. If you're downloading the project files for this course, this C4D renders folder will already be full of subfolders that have their own image sequences in them.

Do not render your images to that folder; otherwise, you will overwrite or mix up all of the renders in those subfolders, and you don't want to do that. If you are rendering along with this at home, render them to your own folder on your own hard drive. So, here in the C4D renders folder, I am going to make a new subfolder and call it Beams and hit Save, and I can see there's my file set up. I've verified that only my RGBA Image is rendering. Now I need to re-record the render element and tell it to overwrite, and yes, that's awesome. It's ready to go. Now, what I am going to do is navigate through each one of these guys and repeat that process.

So, if I go to the Phone Pass and load that up, in the Phone Pass, the only thing I really need are the phone. I know that I don't need the Atmosphere or Post Effects. I need the RGBA Image. I don't need the Depth pass so I can delete all of those things. And the only object buffer I need is the phone screen, so I can delete all of these guys. So I can go into the phone and are going the phone and delete, delete, delete, delete, delete. I am just clicking on these guys one at a time. And then for the Ambient pass, I do need down that one. I do need Diffuse, Specular, and Reflection.

Ambient Occlusion yes, Atmosphere no, Post Effects no, RGBA yes. Depth and Motion vector I don't need at all, so I can delete those guys completely. And so that saves me a lot drive space because I won't be getting image sequences for any of that extra stuff. Now, if I go to the Save, I will go and navigate and tell it where to put that Phone file, so I click on that. And it remembers the last place I was looking at, so that's the Beams folder. So I'll go to C4D renders, and I will make a new subfolder and call it Phone and save it into the Phone. So, there is my Phone pass, and I am going to record that element. And then do you want to override it? Yes, I do.

Now, I will do that same thing for the Stadium Pass, so let's load up Stadium. And then in the Stadium Pass, we don't need a phone screen. We do need the crowd. We do need stadium lights. The pulses, piston, base platform, those are all parts of the stadium, and we do need object buffers for those, so we want to leave those on. The rest of these image passes I am going to leave on because those are going to be crucial information that we will need inside of After Effects. Now, I'll go to the Save dialog and tell it where to put the files, and so I will navigate out to C4D renders, hit New Folder, and tell it to render out the Stadium Pass.

And so I can see Stadium is going into the Stadium Folder, and there is my file pathway, and I will click on the Record Element and then hit Yes to override it. And then last but not least is the Type Pass, so I will click on Type > Load. Let's twirl open the Multi-Pass options and the only thing we need, we don't need any of these object offers because our Type isn't need the object buffers, so we can delete, delete, delete, delete. We can basically delete all of these object buffers, and we will leave Ambient, Diffuse, Specular, Reflection, all the stuff on, except for Atmosphere, and the Depth and Motion vector we don't need either.

All we need now is to tell it where to put those files, so I click on Save, navigate to the correct folder. And I need to make a folder for that Type, so I will make a Type folder and then hit Save. And always remember to re-record your Render Element. Click Record Element, Yes. And now, I'm ready to go, so I have done my Beams. I have done my Phone. I have done my Stadium. I have done my Type pass. The Everything ON pass is just for backup. We are not even going to render this pass; I can ignore that for now.

So, I've got all my render elements set up. I have optimized them in order to save drive space. The next step is the batch rendering.

Show transcript

This video is part of

Image for CINEMA 4D: Rendering Motion Graphics for After Effects
 
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  1. 5m 48s
    1. Welcome
      57s
    2. Using the exercise files
      50s
    3. Essential plug-ins
      4m 1s
  2. 51m 44s
    1. Essential render settings
      6m 24s
    2. Setting up an object buffer list
      6m 17s
    3. Creating object buffer tags
      10m 48s
    4. Setting up multi-pass image layers
      5m 37s
    5. Creating an external compositing tag
      1m 47s
    6. Creating render passes using the Render Elements plug-in
      9m 39s
    7. Using Render Elements to optimize render passes
      5m 12s
    8. Batch rendering
      6m 0s
  3. 31m 33s
    1. Importing files and organizing an After Effects project
      6m 58s
    2. Creating a 3D object precomp
      3m 15s
    3. Attaching a video layer to a 3D object
      8m 17s
    4. Compositing 3D text
      2m 47s
    5. Compositing a dynamic 3D background
      4m 23s
    6. Setting markers for major events
      5m 53s
  4. 39m 46s
    1. Adding the Star Glow effect to a layer
      4m 32s
    2. Creating a glow on the stadium background
      5m 56s
    3. Revealing the background glow using a 3D layer mask
      7m 19s
    4. Creating a glow using the Ambient Occlusion pass
      6m 9s
    5. Using the Ambient Occlusion glow to create an energy animation
      4m 25s
    6. Creating a stadium light effect using object buffers
      4m 38s
    7. Adding flash bulbs with the CC Light Rays effect
      6m 47s
  5. 53m 16s
    1. Creating the phone reveal
      5m 10s
    2. Creating the phone reveal glow
      7m 49s
    3. Creating the phone reveal beams
      7m 17s
    4. Colorizing the energy beams
      6m 21s
    5. Creating the energy burst
      10m 19s
    6. Using Trapcode Particular to add sparks to the phone reveal
      10m 53s
    7. Creating the phone screen video
      5m 27s
  6. 15m 37s
    1. Creating the type glows
      9m 36s
    2. Adding the type glint
      6m 1s
  7. 34m 33s
    1. Creating a camera shake effect using precomps
      8m 12s
    2. Adding depth of field with the Lens Blur effect
      8m 14s
    3. Transitioning to full-screen video
      8m 17s
    4. Using the ReelSmart Motion Blur effect
      4m 17s
    5. Putting together the final comp
      5m 33s
  8. 1m 25s
    1. Next Steps
      1m 25s

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