3D sketching, colormap, bumpmap and displacement map painting and
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Sketch, Animate & Paint
on a Mac:
parallels desktop for Mac
redefining the meaning
window-shopping on a Mac
|In this tutorial
you'll learn some tools and tricks to use the line tool with a gradient
to make it look like the line is changing color according to the
gradient. This can be used for a variety of effects, such as the one
If this is the first time you've used the Gradient tool, here's a
refresher: you can open the gradient panel in PD Pro 4 from the Window
Window > Gradient panel...
or use the keyboard shortcut 'p'
Perhaps it stands for 'p' is for 'pretty colors' or 'plentiful'?
The gradient tool offers 8 pre-loaded gradients. And there are others
to choose from.
Select for example the default radient's first gradient, going from
black to white through all grey values.
You will use the gradient later.
on Alpha with pre-defined brushes
Let's now pick a brush which paints on alpha. Right-click on the brush
tool icon (or middle-click on the main image buffer) to show the menu
with the predefined brushes.
Look for "Paint on Alpha" type brushes, and select the Hard or the Soft
Then draw a quick dab of a single brush stroke. In this example it's
from upper-left to lower right. The background (and secondary) color is
black, the primary color is white. The drawn brush stroke
appears at primary color, at least initially.
So far we haven't released the mouse button yet:
|But as soon as you
let go and release the mouse button (or lift the pen if using a
tablet), the result is transfered into the alpha channel, showing as a
selection with the animated marching ants.
use the Linear tool. Keyboard shortcut 'v' (as in 'vector').
The linear tool will draw a line with whatever the current brush is.
So, you can use it to make it a perfect line in the alpha channel.
Draw a line from upper-left to lower-right with the rubberband line.
When you release the mouse button to end the line, DOgwaffle draws the
current brush along that path with whatever parameters are in effect.
You now have a nice linear selection.
the Alpha Channel (the mask)
The Image (Buffer) menu has a well known feature called 'Store Buffer'
(or Store Image). It's for temporarily storing and managing the current
image's RGB channel. The Brush menu has a similar one, to store and
manage the custom brush.
Likewise, there's a store option in the Alpha menu:
Alpha > Store apha...
The purpose of storing the alpha is to grab a snapshot of it.
You can then edit it further, modify it, replace it back into the
active document work in progress etc...
For example, here's the snapshot, the store alpha channel image from
the line we just drew a second ago into the alpha channel with the line
The alpha brush we used as the crisp one, called "Hard 50".
If we wanted to blur the edges of the alpha selection mask we can use
the filter in the alpha menu:
Select a large blur value and click OK
If you now use Store Alpha again, you'll notice that the edges are
You can either store a new instance from the Alpha menu. Or you can
click the 'Get alpha' button to grab the current alpha into the
previously stored interface.
|into 3D: draw
a shape, and see it
automatically turn it into 3D
tool for rapid 3D model creation and prototyping from images
Poser 6 (boxed!) at