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Isolating the rest of the layers

From: Digital Matte Painting Essentials 5: Camera Projection in Maya

Video: Isolating the rest of the layers

There are seven more layers to prepare and this is going to get repetitive, You'll do the same thing, load in the mask holding layer if you have one, or hand Turn the other layers on to confirm you have enough coverage.

Isolating the rest of the layers

There are seven more layers to prepare and this is going to get repetitive, so I'm going to fast forward through the next one, the top wall. You'll do the same thing, load in the mask holding layer if you have one, or hand select the top wall. Then Copy-Merge the selection out, Paste it in place Patch the areas where the side tower is covering the wall, then select the bottom of the layer, copy duplicate that selection down so that the layers can meet without gap showing, and trim the layer.

Turn the other layers on to confirm you have enough coverage. And then turn all the other layers back on. Next, we want to get the towers and domes out. And on this one, I didn't correct the mask holding layers. The reason for that, is that any element that can be silhouetted against transparency, can be cleanly extracted by turning off the background layers, selecting the area you want. Copy merged, and pasting it back in place. Since there was nothing behind them, the towers and dome come out cleanly.

Let's zoom in and solo the towers layer. Once again, we have some elements in front of the dome that are on another layer. In this case, the boxes on the top wall bastions. So select them, and press delete. Select the bottoms of these towers in the dome, and copy duplicate them down to provide coverage. There's a little cleanup to be done on these sides. And this little chunk on the left side. Now select the bottom of the dome, and copy duplicate that down to get coverage.

I want a little bit more of this illuminated archway that's hiding behind the crenelation. And the same with this tower. I think I need a little more. Clean up these ragged edges on the bottom. Petch this tower on the far left. Turn the other layers back on, and lets put the towers behind the top wall and confirm we have enough coverage. That looks good. Turn the new layers you've prepared for Maya off and all the other layers back on. And we're ready to extract the bridge. These next two layers are exactly the same, so I'm going to fast forward through them.

So there's the bridge layer, and let's do the side tower. These mask holding layers, if you prepared them come in really handy for this extraction process. Otherwise you have some additional hand selecting to do. Let's slow down again to extract the hill and background. Turn on all of your original layers. Select all the layers that make up the castle. Don't include the mask holding layers, background, or special layers we extracted for Maya. And put them in a group called castle.

Turn the new castle group off and we just see the hill in the background. Let's extract the hill next. Load in the selection for the hill, and copy merged. Then, go up to the top of the stack, paste it in, name it hill. Select the bottom of the hill, and copy duplicate it in place using the down arrow key. These rocks have gotten really streaky so let's scribble in some tone to repair the rock texture. And the same over here where the streaking is a bit too obvious.

Turn the hill off. Then turn off the hill on the background layer. Now we have a clean background with nothing else on it. Even though we'll be projecting this onto two pieces of geometry, the sky and water, we only need one map of the entire background for both. So, select all, copy merged, scroll up to the Maya layers, select the bottom layer, and paste it in. Move it to the bottom of the stack and call this one Background.

The hill needs to go just above it. Turn all the Maya layers on. Double check that there are no gaps. That all looks pretty good. Now, we can throw out the layers we no longer need throughout the Castle group and the Mask Holding Layers group. And we no longer need this hill in the background group, since we have it in the Maya layers. Close up the background group. There is one final thing you need to do to this file. Set it to eight bit. In the top menu, go up to image, choose mode, and then, eight bit slash channel.

We did all of our texturing in 16-bit because of the expanded color space, but Maya won't accept 16-bit files in the default setup of the application. If you are going to do this project in a high-bit depth system like Nuke, you would keep everything in 16-bit. But for this tutorial, set the file to eight bit before exporting the texture files for Maya. You'll want to save this file under a new name, just in case you want to go back and revise your final textured castle.

So let's call this CameraProjectionStart.PSD This file will be available to all lynda.com members, premium and regular, to use while doing this course. Next step, I'll show you how to write out each of these layers, in the special way Maya needs them, for use in camera projection.

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This video is part of

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  1. 2m 36s
    1. Introduction
      1m 5s
    2. Using the exercise files
      1m 31s
  2. 26m 37s
    1. What is camera projection?
      1m 44s
    2. Preparing the textured castle for camera projection
      3m 5s
    3. Isolating the first two layers
      7m 51s
    4. Isolating the rest of the layers
      6m 6s
    5. Preparing individual files of each layer
      6m 25s
    6. The CastleAll layer
      1m 26s
  3. 18m 39s
    1. Maya basics
      4m 26s
    2. Creating a projection camera
      2m 34s
    3. Adding the image plane
      3m 39s
    4. Positioning the grid
      2m 9s
    5. Setting device and film aspect ratios
      5m 51s
  4. 30m 29s
    1. Adding a box for the base of the castle
      5m 1s
    2. Matching the camera to the painting
      7m 42s
    3. Positioning the next four boxes
      4m 37s
    4. Creating the rest of the castle geometry
      3m 7s
    5. Modeling the hill
      7m 13s
    6. Adding the sky
      2m 49s
  5. 18m 7s
    1. Projecting the first texture
      6m 48s
    2. Projecting the castle walls
      7m 48s
    3. Projecting the rest of the textures
      3m 31s
  6. 14m 35s
    1. Animating the camera
      5m 23s
    2. Rendering the scene
      4m 19s
    3. Fixing two common projection problems
      4m 53s
  7. 24m 5s
    1. Installing filmBackAtYa
      6m 41s
    2. Adding cylinders for the front towers
      5m 30s
    3. Adding spheres for the domes
      5m 30s
    4. Vertex modeling
      6m 24s
  8. 30m 17s
    1. Preparing the file for After Effects
      5m 55s
    2. Retiming the plate
      5m 21s
    3. Colorizing the plate
      6m 1s
    4. Adding a moving sky
      3m 32s
    5. Displacing the smoke
      5m 52s
    6. Rendering out the moving background
      3m 36s
  9. 36m 39s
    1. Bringing the moving background into Maya
      2m 36s
    2. Great websites for stock video
      2m 55s
    3. Adding flames
      6m 40s
    4. Rendering out glowing smoke
      5m 31s
    5. Creating an alpha channel
      2m 42s
    6. Adding special effect glows
      3m 44s
    7. Creating a lava waterfall
      6m 59s
    8. Render settings
      4m 23s
    9. Final render
      1m 9s
  10. 54s
    1. Goodbye
      54s

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