In this tutorial we will demonstrate how some of the basic commands can be used to create your
design.
Important Points!
* To use Idelica in Full Screen mode, you must know the keyboard commands. Knowing how to change keystrokes quickly and accurately gives you more options and creates more movement on the screen. You will find a quick reference page of keystroke commands at the end of the manual.
* The Full Screen has all options that are available in this version of Idelica
* We use the <> symbols to indicate keys. Thus "press <s>" means "press the key with an "s" on
it."
* Caps Lock must be off. If the keyboard commands don't work, it is probably because Caps Lock
is on. Check your keyboard's Caps Lock indicator and make sure it is off.
Start With the Basics
Click on the Full (keyboard) Screen button. You will see rainbow colored lines filling the screen.
Press <s>. The lines will stop moving. Pressing <s> starts and stops the motion. Press <s> to
start the motion. Experiment with stopping and starting.
Press <shift x> to clear the screen. You can clear the screen by pressing <shift x> when the
screen is in motion or when the screen is stopped. Experiment with this.
Press <q> to quit and return to the Main Menu.
Return to Full Screen (click the "Full (keyboard)" button). Press the <+> and <-> keys at the left
end of the top row of keys. These change the width of the lines. Experiment with this. When the
lines reach their minimum or maximum limit, the system will beep.
Keys 1 through 4 tell the program how to divide the screen. This demo is currently set to 2
frames, divided vertically. Experiment with these keys and observe the effects.
Experiment with the different shapes available:
press <l> for lines
press <d> for dots
press <r> for rectangles
press <c> for circles
press <e> for ellipses
To increase the number of shapes on the screen press the <0> (zero) key at the top of the
keyboard. To decrease the number of shapes press <9>. Experiment with this.
An Introduction to Color Sequences
Keys F1, F2, F3, and F4 tell Idelica which color sequence to use. Color sequences are (surprise!)
predefined sequences of color that are used as Idelica creates designs. Press <l> to draw lines
and experiment with these keys. Watch the effect as you switch between color sequences.
Color sequences are defined in the Palette screen. Press <q> to return to the main menu, then
click the Palette button. Observe the four ribbons of color at the bottom left of the screen. These
are the same sequences that you've been using in Full Screen mode.
Before long you'll be
creating your own color sequences, but for now we'll continue to use the ones provided. Click the
Main Menu button, and once back at the Main Menu return to Full Screen to observe the action of
these keys once more.
Can you see how the color sequences you're getting are the same ones defined in the Palette screen? Once a sequence is finished it automatically begins again, creating a cyclic pattern. Try using <+> to make the lines thicker. Switch back and forth between Full Screen and Palette until you understand how the color sequences work.
Mixed Mode and Normal Mode
Press <-> until you hear a beep. The beep indicates that you've reached the minimum line
thickness. Now make the lines thicker by pressing <+> three times. Press <shift x> to clear the
screen. After a few seconds press <m>. <m> is the Mixed Mode color command. Watch what
happens to your colors. A "polarized effect" takes place. Mixed mode is explained further in the
user manual. Press <n> to bring the colors back to "normal."
Press <s> to stop the motion. Press <shift x> to clear the screen. Press <q> to quit and return to
the Main Menu.
Now Experiment
Try various combinations of all the above commands. When you feel comfortable with the
material we've covered in this lesson, you're ready for the next step, load Tutor103.idl.
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