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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 ## Set of polygons (3D) A set is just an empty element, that can host other elements (and sets). As such, a set has a position and a size, and accepts a transformation, but you need to add other elements to the set to make it display anything on the panel. The great advantage of sets is that they allow manipulation of collections of other drawables as a whole. ## Properties
PolygonSet3D
Number of elements
Name | Description | Values accepted | Default
#Elements | The number of elements in the set. | An integer value. |
Input
Name | Description | Values accepted | Default
Data | The data for the element. | A double[nElements][nPoints][3] array. Each entry in the first index of the array provides the data for the vertex of the polygons as indicated by the Data property of a single Polygon element. If a double[nPoints][3] is given instead, the same data is used for all the polygons in the set. |
X data | The X coordinates for the element. | A double[nElements][nPoints] array. Each entry in the data array provides the X coordinate for all the vertex of a polygon of the set. The coordinates are relative to the polygon’s position and size. If a double[nPoints] is given, the same data is used for all polygons. If a single double value is given, the same value is used for all vertex of all polygons. | 0
Y data | The Y coordinates for the element. | A double[nElements][nPoints] array. Each entry in the data array provides the Y coordinate for all the vertex of a polygon of the set. The coordinates are relative to the polygon’s position and size. If a double[nPoints] is given, the same data is used for all polygons. If a single double value is given, the same value is used for all vertex of all polygons. | 0
Z data | The Z coordinates for the element. | A double[nElements][nPoints] array. Each entry in the data array provides the Z coordinate for all the vertex of a polygon of the set. The coordinates are relative to the polygon’s position and size. If a double[nPoints] is given, the same data is used for all polygons. If a single double value is given, the same value is used for all vertex of all polygons. | 0
Position and Size
Name | Description | Values accepted | Default
Pos X | The X coordinate for the element. | A constant or variable of type double,int or double[]. |
Pos Y | The Y coordinate for the element. | A constant or variable of type double,int or double[]. |
Pos Z | The Z coordinate for the element. | A constant or variable of type double,int or double[]. |
Position [] | The double[] array with the coordinates of the element. | A matrix with double values. |
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,int or double[]. |
Size Z | The size of the element in the Z direction. | A constant or variable of type double,int or double[]. |
Size [] | The double[] array with the size of the element in each coordinate. | A matrix with double values. |
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 a boolean array with true or false values. |
Draggable | Whether the element can be moved. | A boolean variable or a boolean array with true or false values. |
Drag Group | Whether dragging the element affects its group. | A boolean variable or a boolean array with true or false values. |
Element | The index of the element affected by the interaction. | An integer value. |
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. | A boolean variable or a boolean array with true or false values. |
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. Use an array to assign a color to each element. |
Line Width | The thickness for the lines of the element. | A constant or variable of type double or int indicates the thickness. Use an array to assign the thickness to each element. | 1
Draw Lines | Whether to draw the lines. | A boolean variable or a boolean array with true or false values. |
Draw Fill | Whether to fill the element. | A boolean variable or a boolean array with true or false values. |
Resolution | The resolution with which to display the element. | A 3DResolution, a string, an Object or Object[]. In this case you can use an Object[] to choose a different resolution for each element of the set. |
DepthFactor | A corrective double which makes the element look closer (to <1 values) or farther(to >1 values). | A double variable or constant. |

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