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Diagram Tab

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The Diagram tab is visible when you view a reliability block diagram (RBD).

Analysis

Analyze analyzes the relationships of the components in the diagram and puts the reliability-wise configuration into a mathematical formula.

Plot creates a plot based on the analysis results. Clicking the Plot icon before the diagram has been analyzed will automatically perform the analysis and then plot the data.

QCP opens the Weibull++ Quick Calculation Pad (QCP), which allows you to obtain reliability results based on the algebraic solution for the diagram. Clicking the QCP icon before the diagram has been analyzed will automatically perform the analysis and then open the QCP.

Diagram Tools

Add Block adds a new standard block to the current diagram. The diagram represents a data sheet in a Weibull++ or ALTA standard folio.

Connect Blocks allows you to create connectors between blocks in the current diagram. When this command is selected, click the source block, hold down the left mouse button and drag a line from the source block to the destination block. When the crosshairs are located above the destination block, release the mouse button to create a connector. To stop adding connectors and return to the normal mode, click the diagram or clear the Connect Blocks option (i.e., by choosing the command again).

Add Node adds a new node (k-out-of-n switch) to the current diagram.

Add Junction adds a non-failing block to the diagram. Because diagrams must flow from a single starting point to a single ending point, you may need to use junction blocks as starting and/or ending blocks (see Diagram Analysis Constraints). They can also be used anywhere within the diagram that you need a block that does not fail (i.e., does not affect the system reliability). This type of block does not have properties.

Add Annotation adds a new annotation to the current diagram. You can edit the text that appears in the annotation by double-clicking it to open the Edit Annotation window.

Format and Style

Copy Diagram as Graphic copies the current diagram to the Clipboard. The diagram can then be pasted into other documents as an enhanced metafile (*.emf) graphic.

Copy Selected Graphic copies the current block to the Clipboard. The block can then be pasted into other documents as an *.emf graphic.

Export Graphic saves the diagram as a graphic in one of the following formats: *.wmf, *.png, *.gif or *.jpg. You will be able to use the exported graphic in any application, provided that the application supports the file format.

Auto Arrange automatically arranges the blocks in the diagram so that all blocks are evenly spaced and centered.

Make Same Size allows you to resize multiple blocks of different sizes. See Arranging and Resizing Blocks.

- Height resizes the selected blocks to be the same height as the first selected block.
- Width resizes the selected blocks to be the same width as the first selected block.
- Both resizes the selected blocks to be the same width and height as the first selected block.

Make Spacing Equal allows you to easily adjust the spacing between multiple blocks. See Arranging and Resizing Blocks.

- Horizontal equally spaces the selected blocks according to the horizontal spacing of the first two selected blocks.
- Vertical equally spaces the selected blocks according to the vertical spacing of the first two selected blocks.
- Both equally spaces the selected blocks according to the horizontal and vertical spacing of the first two selected blocks.

Align Blocks allows you to easily adjust the position of multiple blocks. See Arranging and Resizing Blocks.

- Align Tops aligns the selected blocks to the top of the first selected block.
- Align Middles aligns the selected blocks to the vertical center of the first selected block.
- Align Bottoms aligns the selected blocks to the bottom of the first selected block.
- Align Lefts aligns the selected blocks to the left of the first selected block.
- Align Centers aligns the selected blocks to the horizontal center of the first selected block.
- Align Rights aligns the selected blocks to the right of the first selected block.
- Align to Grid aligns the selected blocks to the grid.

Edit Diagram opens the Diagram Style window, which allows you to customize the appearance of the current diagram and set the default properties for connectors and new blocks that are added to the diagram. See Diagram Style Settings.

Edit Block

- Block Properties opens the data sheet that is associated with the block.
- Block Style opens the Block Style window, which allows you to customize the appearance of the selected block. See Block Style Settings.
- Bring Block to Front moves the currently select blocks in front of other objects on the diagram.
- Send Block to Back moves the currently select blocks behind other objects on the diagram.

Edit Connector

- Connector Style opens the Connector Style window, which allows you to customize the appearance of the selected connectors. See Connector Style Settings.
- Line Bend allows you to create a bend in the line.
- Bring to Front moves the currently select line in front of other objects on the diagram.
- Send to Back moves the currently select line behind other objects on the diagram.

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