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Information Foreword What is EJS? Demos/Examples Credits Links Webcasts Installation Download & Install EJS Workspaces Running EJS Conditions of Use Documentation EJS Console EJS Interface Description Panel Model Panel View Panel Deployment Elements Reference User Feedback English | Spanish | ? View Edit History Print PDF ## Polygon ## Properties
Polygon2D
Input
Name | Description | Values accepted | Default
Data | The data for the element. | A double[nPoints][2] array. Each entry in the data array corresponds to one vertex. The coordinates are relative to the polygon’s position and size. 0.1,0.0}, {0.1,0.1} }. Alternatively, the X data and Y data can be given instead.
X data | The X coordinates for the element. | A double[nPoints] array. Each entry in the data array provides the X coordinate for one vertex. The coordinates are relative to the polygon’s position and size. If a single double value is given, the same value is used for all vertex of the polygon. | 0
Y data | The Y coordinates for the element. | A double[nPoints] array. Each entry in the data array provides the Y coordinate for one vertex. The coordinates are relative to the polygon’s position and size. If a single double value is given, the same value is used for all vertex of the polygon. | 0
Position and Size
Name | Description | Values accepted | Default
Pos X | The X coordinate for the element. | A constant or variable of type double or int. |
Pos Y | The Y coordinate for the element. | A constant or variable of type double or int. |
Position [] | The double[] array with the coordinates of the element. | A double array. |
Size X | The size of the element in the X direction. | A constant or variable of type double or int. |
Size Y | The size of the element in the Y direction. | A constant or variable of type double or int. |
Size [] | The double[] array with the size of the shape in each direction. | A double array. |
Transform | The transformation to apply to this element. | Use the editor provided or read more about transforms. |
Visibility and Interaction
Name | Description | Values accepted | Default
Visible | The visibility of the element. | A boolean variable or one of the constants true or false. |
Draggable | Whether the element can be moved. | A boolean variable or one of the constants true or false. |
Resizable | Whether the element can be resized. | A boolean variable or one of the constants true or false. |
Drag Group | Whether dragging the element affects its group. | A boolean variable or one of the constants true or false. |
Resize Group | Whether resizing the element affects its group. | A boolean variable or one of the constants true or false. |
Sensitivity | The size of the hot spot (in pixels). | A constant or variable of type int, 0 makes the full particle the hot spot. |
Point Selected | The index of the point selected. | A constant or variable of type double or int. |
On Press | The action to invoke when the element is pressed. | The Java code to invoke for the action. |
On Drag | The action to invoke when the element is dragged. | The Java code to invoke for the action. |
On Release | The action to invoke when the element is released. | The Java code to invoke for the action. |
On Enter | The action to invoke when the mouse enters the element. | The Java code to invoke for the action. |
On Exit | The action to invoke when the mouse leaves the element. | The Java code to invoke for the action. |
Graphical Aspect
Name | Description | Values accepted | Default
Closed | Whether the polygon is closed. If the polygon is closed, its last point will be connected to the first one and the interior will be filled (unless the fill color of the style is set to null). | A boolean variable or one of the constants true or false. |
Line Color | The color used for the lines of the element. | Use the editor provided or read about colors. |
Fill Color | The color used to fill the element. | Use the editor provided or read about colors. The special value null draws a hollow element. |
Line Width | The thickness for the lines of the element. | A constant or variable of type double or int indicates the thickness. | 1
Draw Lines | Whether to draw the lines. | A boolean variable or one of the constants true or false. |
Draw Fill | Whether to fill the element. | A boolean variable or one of the constants true or false. |

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Page last modified on June 09, 2009, at 06:37 PM