8. Choose the Zoom Last icon from the Zoom toolbar.
This will restore the previous zoom level, in this case the full drawing screen. (You might
also like to try the effects of the Zoom+ and Zoom- icons in the RH toolbox at this point.)
Choose the Connected Lines icon again and draw the first point of another line.
9. Choose the Radial Lock icon.
Any line drawn is now constrained to 45 deg steps. Double click on this icon with the LH
mouse button and a dialog box will appear. This allows the start angle and step angle to be
set. Try the effects of different settings. Many other icons have dialog boxes accessed in the
same way. Alternatively, dialog boxes may be accessed by clicking with the RH mouse but-
ton. Try clicking on the Grid icon with the RH mouse button.
10. Choose the Single Lines icon again and draw a few lines.
11. Choose the Attach icon and ensure that Grid Lock and Radial Lock are off.
The cursor will change to a small square. Position the cursor square to overlap the end of any
line, and click the LH mouse button. The start of the line being drawn will automatically start
exactly from the end of the selected line. Position the cursor over the end of a different line,
and click the LH mouse button again. You do not have to be absolutely accurate in your posi-
tioning, as long as the square is over the line. It is possible to change the size of the attach
box and the points being attached to, from the attach dialog box (double click on the icon).
Try setting attach to intersections as well as end points, and try drawing lines between inter-
sections. Remember, just make sure that the intersection is inside the attach box.
12. So far you have only drawn lines. Try some of the other drawing functions - circles, arcs,
shapes and paths. Follow prompts, and use Help for further explanation.
13. Try deleting and undoing as described below.
Simple mistakes may be undone by clicking on the Undo last icon in the RH toolbox. This
undoes the last operation, either drawing, transforming or deleting. Once undone, the icon
becomes Redo last. Choosing this effectively undoes the undo. Redo last is cleared by any
further drawing or deleting operation. Also in the RH toolbox is Delete last. This deletes
back one object each time it is chosen. Undo last restores a deleted object, but only the last
one deleted! Most other delete functions are in the LH toolbox, where there is Delete any,
Delete part, and Delete inside box. Delete any allows you to point to an object and delete it.
Delete part deletes any part of a line, arc, circle or bezier curve back to the closest intersection
points to the locating point. Finally, pressing Ctrl + Delete on the keyboard deletes the cur-
rent selection (selection will be dealt with in Tutorial 5), pressing ALT + Delete on the key-
board deletes the whole of the current drawing. Try some of the Delete options now.
Page 11DESIGN TOOLS - Stika Design
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