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Elements Spring

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 An interactive spring.

 

A spring is a 2D drawing element that displays a simple icon for a spring at given coordinates of the parent drawing or plotting panel. The shape is drawn relative (see the Position property) to the given coordinates with the size specified in each direction. The element can also be applied a rotation and a scale factor for each coordinate.

 

They respond to user interaction on their position coordinates (changing their position), invoking up to five different actions.

 

 

Object wrapped

 

The object wrapped by this element is of the class org.opensourcephysics.displayejs.InteractiveSpring. The class has been designed to control all of its features through properties, so there is no need to use directly any of the object methods.

 

Useful methods

  • (This list deliberately left empty.)

 

 

Properties

Spring  
Position and Size  
NameDescriptionValues acceptedDefault
XThe X coordinate for the element.A constant or variable of type double or int. 
YThe Y coordinate for the element.A constant or variable of type double or int. 
Size XThe size of the element in the X direction.A constant or variable of type double or int. 
Size YThe size of the element in the Y direction.A constant or variable of type double or int. 
Scale XThe scale factor for the element in the X direction.A constant or variable of type double or int. 
Scale YThe scale factor for the element in the Y direction.A constant or variable of type double or int. 
Visibility and Interaction  
NameDescriptionValues acceptedDefault
VisibleThe visibility of the element.A boolean variable or one of the constants true or false. 
DraggableWhether the element can be moved.A boolean variable or one of the constants true or false. 
ResizableWhether the element can be resized.A boolean variable or one of the constants true or false. 
On PressThe action to invoke when the element is pressed.The Java code to invoke for the action. 
On DragThe action to invoke when the element is dragged.The Java code to invoke for the action. 
On ReleaseThe action to invoke when the element is released.The Java code to invoke for the action. 
On EnterThe action to invoke when the mouse enters the element.The Java code to invoke for the action. 
On ExitThe action to invoke when the mouse leaves the element.The Java code to invoke for the action. 
Graphical Aspect  
NameDescriptionValues acceptedDefault
RadiusRadius of the springdouble or integer 
SolenoidTo make look the spring like a solenoiddouble or integer.0
Thin ExtremesIf extremes will be shown thin or thickTrue or False 
Line ColorThe color used for the lines of the element.Use the editor provided or read about colors. 
StrokeThe thickness and line style for the lines of the element.A constant or variable of type double or int indicates the thickness. For more sophisticated strokes, read about strokes.1

 

 

 



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Última modificación de la página el 07 septiembre 2010 a las 00h14