![]() | Basic usage |
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You can construct points in several ways:
Select Objects->Points-> Normal Point from the menubar or press the appropriate button in the toolbar. You can then construct a point by clicking on the desired position in the window.
Actually, this works the same way for constructing other objects as well: click on the desired menubar entry or toolbar button and select the necessary objects to construct the object.
Since you often need to construct points, simply clicking somewhere on the screen with the middle mouse button will construct a point for you, without going to a menu or button.
You can construct points while you are building other objects in the background, optionally selecting them for the object you are building. For more on this, see the section below.
Constructing objects other than points is normally done by selecting the appropriate entry in the Objects menu, or by clicking on one of the toolbar buttons.
This will start the construction of the chosen object type. All of these types require arguments. For example, if you selected a circle by center and point, you will need to give it two points: one for the center, and one for the point on the circle.
To select these arguments, simply click on the object you want to use. If you move over an object that can be used to construct the object, a preliminary image will be shown of what the object will look like. For objects that require points as arguments, you can construct a new point at the current cursor position and select it by clicking the left mousebutton.
You can always cancel the construction of the new object by pressing the Esc button or by clicking on the Stop button (red octagon with an “X”) on the toolbar.
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