3D Creative December 2015

3DCREATIVE MAGAZINE | Texturing sci-fi ships with MARI
using the grime textures provided, and go around
the ship and paint the leak stains and dirt buildup
in places where you would expect to find it.
The key to this is not to overdo the dirt unless that
is the look you are going for.
Adding dirt to the specular channel:
16 Before merging our diffuse textures we
must first duplicate and drag our dirt and grime
textures into the specular channel. We want these
textures to be dull and non-reflective, so we must
apply an adjustment stack and by using the HSV
adjustment we can reduce the value until the
grime texture is almost black. At this point it’s safe
to select all of the layers and export them to your
desktop. I would recommend renaming them.
TOP TIPS
Selecting individual parts
To select the individual parts of
a piece of geometry, first set the
Selection mode to Face and also
enable the Smart Selection mode.
This is very useful for masking.
Once you have a piece of geometry
selected this way, you can right-click
to access a menu which will enable
the option to Hide Unselected and
isolate the piece of geometry.
Using Smart Selection mode
UI tips
When you open a channel stack, you
can either drag the window near the
edges of the workspace and a slot
will automatically open, or you can
simply click the little pin tab on the
top-right of the box to temporarily
tack the window anywhere within
your workspace.
Try using the pinning function
Adding our dirt textures to the specular channel
Making normal maps: We can make
17 our normal maps by using the diffuse
textures. First we need to create a new channel
for the normal map, then duplicate the diffuse
textures and drag them into the normal channel.
As the diffuse textures are all separate, we will
need to select them all and merge them into
one. Then by adding an adjustment stack and
selecting ‘Height to Normal’, we can right-click
and export this layer to the desktop and rename
it accordingly. Now the texturing is done and the
model is ready for rendering.
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