Now go to "Set Foreground
Color". This tool is located here:
(Click
to Open in New Window)
Click on this to open up the color
pallette (aka Color Picker). You may drag the selection tool
down to the lower most left hand corner, or you may type in
000000. Here is what this should look like:

Now when we use the Paint Bucket
Tool it will use this black color!
Step 3:
With the Paint Bucket Tool selected,
click on Layer 1 which for example purposes we will now refer
to as "Glow Map Layer". This will fill your glow map
layer with the selected color. Your glow map layer will now
look like this:
Step 4:
Now go to the Layer's tab. Click
on Glow Map Layer. At the top of the Layer Tab are sliders to
set layer transparency. Slide this over to about 50%
Here's an example showing what
your texture and slider will look like:

Step 5:
Now select the Eraser Tool

Now go to your Brush
Options at the bottom of the photoshop upper tool bar. Select
a round brush that is equal to the size of the pupils (or smaller
if you wish to only glow map a section of the pupils) I recommend
a soft edged brush. The size of the brush may be adjusted here
using the slider under the brush, or a number may be entered
in.
For this example, select the soft
edged 27 pixel round brush shown. Enter in 25 in the number
box as shown.
Select the opacity to your desired
amount of glow. Remember, the more color on the glow map the
more it will glow. I usually use 50% for a slight glow. You
may change the opacity of the brush in the brush tool bar as
shown below:
(Click
to Open in New Window)
Step 6:
Now center the brush over the pupils
and left click. Your texture will now look like this

Not much of a change quite yet.
Step 7:
Now adjust your Glow Map Layer
to 100% opacity. Here is your glow mapped eye texture:

t this point you may
apply it to the mesh. However, for further example purposes
we are also going to glow map the lips. The eye only glow map
PSD has been included in the zip file.
Here's an example render with the
glow map applied with lights on and lights off:
Once again, I only
used slight glow mapping on her eyes to not overwealm the face.
You can adjust the intensity by increasing the opacity of the
eraser brush.
You may also duplicate your background
layer if you wish your eyes to glow a different color than the
eye texture. Simply duplicate the background layer and color
it as you please. Just make sure it's underneath the glow map
layer. For ease, this should be done after completing all the
above steps.
You may also choose to glow map
only sections of the eyes, such as small spots of twinkle. To
do this, use a smaller eraser brush.
Glow Mapping
the Lips
Glow mapping lips can be difficult,
as too much glow map results in clown like lips that stand out
from the face too much.
Follow all the above steps. Once
you've succesfully glow mapped your eyes, make the Glow Map
Layer 50% opacity once again.
Select the eraser
tool once more. This time select a very small number for brush
opacity, I perfer 10%.
(Click
to Open in New Window)
Now, run the eraser tool over the Glow Map layer like we did
with the pupils. Run the tool over the top of the bottom lip
and at the crests of the top lip. Here's an example marked in
red of where to use the eraser tool
Here's an example
of what your texture will look like after using the eraser tool
on the partially transparent Glow Map layer
Now, adust the Glow
Map Layer to 100. You won't see much difference on the lip section
of the texture:

Now, save your texture and apply
it to the mesh. Here's a render of how the lips look:

Once again, by increasing the opacity
of the brush tool or increasing the area of the lips glow mapped,
you can set varing stages and intensity of glow.
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