Point

 Creating a point
  
 Created Object:
  • point
 
A point is placed on the board with a mouse click. The following cases can occur:

mouse click on

 

mouse click on a vacant areas of the board

A mouse click on a vacant area of the board creates a free point (red). The cursor is a cross.

board before the mouse click

board after the mouseclick

 

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mouse click on one object

If a free point or a slider is clicked, it can be moved. If the cursor is on a line1, a circle or a graph of a function, a new slider appears (orange).

  • If there is a line1 in the place that is clicked, a new line slider appears.

    board before the mouse click

    board after the mouseclick

  • If a circle gets clicked,   creates a circle slider.

    board before the mouse click

    board after the mouseclick

  • If the graph of a function gets clicked a graph slider is created.

    board before the mouse click

    board after the mouseclick

 

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mouse click on two objects

If there are two objects in the place that is clicked, a point of intersection is created.

  • A mouse click on the intersection of two lines creates their point of intersection.

    board before the mouse click

    board after the mouseclick

  • In the case of an intersection of a line1 with a circle both points of intersection are created.
    board before the mouse click

    board after the mouseclick

  • A mouse click on the intersection of two circles creates both points of intersection.

    board before the mouse click

    board after the mouseclick

 

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mouse click on many objects

If more than two objects are in the placed that is clicked, the mouse click is ignored. If sliders or points of intersection are supposed to be drawn in this situation, it has to be done with  Slider or  Intersection.

 

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1straight line, ray or line segment
 
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