Interactive Modes


Interactive Modes

The interactive modes are very powerful construction tools. They take full advantage of the mouse. A single click–drag–release sequence constructs several elements. Moreover, the definitions of the new elements are adapted according to the mouse position. For instance, in "add a line" mode, the line together with its endpoints is generated. The definition of the start point and endpoint depends on the mouse position when the mouse button is pressed and when it is released. As another example, when the mouse pointer is clicked on the intersection of two lines, the new point will be defined as the point of intersection of those lines.

If elements are already present in the construction, they will not be added a second time. This refers not only to the definition of elements, but it is guaranteed by Cinderella's automatic theorem checking facilities.

Interactive modes can easily be recognized in the toolbar since their icon contains a little mouse pointer symbol.

Add a Point
Add a Line
Line through a Point
Add a Parallel
Add a Perpendicular
Add a Line with a Fixed Angle
Add a Circle
Circle by Radius
Circle by Fixed Radius

In addition to the standard modes, that are provided with a button, there are also many new modes in Cinderella.2 that are accessible only via the menu. For these, please consult the sections Polygons, Conic Operations, and Transformation Modes.

Contributors to this page: Richter , Kortenkamp and Kramer .
Page last modified on Wednesday 27 of July, 2011 [11:08:59 UTC] by Richter.

The content on this page is licensed under the terms of the License.

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