Applying the iris-texture:

1. From the totalTextures 4 CD copy the "heye007_psd.psd"-texture onto your desktop

2. Make a New Material (in the file-menu in the lower left side of the screen) and double click its icon in the Material Manager. In the Material Editor, change its name from "Mat" to "eye" .

3. Go to the Color channel. It is already activated. Click the ...-button, locate the iris-texture on your desktop and click Open. The texture is now loaded into the Color channel and its icon in the Material Manager is showing a thumbnail of the texture

4. Close the Material Editor

5. Drag the "eye"-material on top of the "inside eye"-object in the Object Manager. What you see there has something spiderish, doesn't it?

6. Next to the "inside eye"-object is a new, small Texture Tag that shows the iris-texture. In the Attribute Manager, change Projection from UVW Mapping to Flat. The projection is udated immediately and shows the iris placed upon the eye-object almost perfectly

6. Almost, because when you go to Camera > Right you can see the texture has also been applied to the back of the eye. Hit Render > Render View to see it better. Go back to Perspective (Camera > Perspective), hit the h-key to frame the scene in the viewport and you'll also see that the hole for the pupil is too big for the pupil in the texture. We'll do something about the pupil first

Tweaking the pupil shape to fit the texture:

1. Zoom in and rotate the view until you have the edge of the pupil filling the viewport.

2. Choose Selection > Loop Selection, drag over the edge polygons until they're highlighted yellow and click.

3. We'll create some new polygons to fit the texture better: Select the Extrude Selected -tool and make sure "create caps" is inactive. Drag in the viewport and see a new ring of polygons being born. Continue until you can see the first bit of the pupil in the iris-texture appearing on the new polygons.

Attaching the texture to the polygons and making the pupil reflex work:

1. With the inside pupil edge polygons selected, choose Selection > Grow Selection or hit u~y

2. From the Object Manager > File menu select Cinema 4D Tags > Stick Texture. A Stick Texture Tag is created next to the "inside eye"-object

3. Now choose the Scale Tool, place the cursor somewhere in the viewport and drag from right to left and back to see the pupil reflex in working. Beautiful. .

4. In the Selection menu, choose Set Selection. A selection tag is created for the object. Click it, and in the Attributes Manager, rename it "reflex"

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