- Define the Perspective Planes Using Quads
- Combining Quads into a Warp Grid
- Warping the Perspective of the Picture
- Final Thoughts
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Combining Quads into a Warp Grid
The next step is to make sure our quads encompass the entire structure (assuming we intend to warp the entire structure) before combining them. As before, you can hold down the Shift key, select an edge, and drag it out as far as necessary. Repeat until all the edges are done, but be sure to leave some space between the quads—you don't want to connect them by accident at the wrong time. Figure 7 shows the extended quads.
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Figure 7 Make sure your quads include the whole structure, if you intend to warp the whole structure.
Next, go to one of the edges that share a "common" side with a neighboring quad, hold down Shift, and drag the edge until both edges turn blue. Release. Presto! Now you've got one continuous grid (see Figure 8). You can now extend and tweak the reposition of the corner "pins" individually, if needed.
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Figure 8 Shift-drag one of the common edges of two quads to "snap" them together (look for the blue highlight, then release).