Einführung

Process → Link Process and Buffer (New Arrow)

FIFO-Buffer   By using the toolbar buttton Create New Arrow or the menu item Process/Buffer → New → Arrow you can connect a process and a FIFO buffer (see Figure 17). For this you have to select the button or the menu item first. Afterwards you can choose the start object (process or buffer) by selecting it with the left mouse button. While keeping the mouse button pressed you can move the cursor to the target object. After you have released the mouse button a new arrow will be drawn (see Figure 18).

FIFO-Buffer einfügen
Figure 17

In this training module each process has four connection ports. One at the top, one at the bottom, one on the left side and one on the right side of the process symbol. The ports can be input or output ports. A FIFO buffer on the other hand has one input port and one output port. The location of the input and output port depends on the transfer direction of the buffer.

If you have selected two objects where a connection is not possible, no arrow will be drawn. Connections are not allowed between two processes or two buffers, respectively. Furthermore, no connection will be created if one of the selected objects has no free ports.

Verbindung erstellen
Figure 18

You can select an arrow by selecting it with the left mouse button. The currently selected buffer has highlighted ports (as shown in Figure 19).

FIFO-Buffer einfügen
Figure 19

Pfeil löschen   By selecting the toolbar button Delete Process, Buffer or Arrow in the network editor or the menu item Process/Buffer → Delete you can remove the currently selected arrow from the network editor.

FIFO-Buffer   By selecting the toolbar button Show/Hide Parameters in the network editor or the menu item Process/Buffer → Show Parameters you can open the arrow parameter frame (see Figure 20).

FIFO-Buffer einfügen
Figure 20

You can use the arrow parameter frame for changing the port at the start object or at the target object. With the toggle button group select Port: you can choose a new port for the connection at the start object or at the target object, respectively.

Parameteränderungen übernehmen   By selecting the button Ok of the parameter frame you can confirm the current settings and the connection will be updated in the network editor. The parameter frame will be closed.

FIFO-Buffer   For closing the parameter frame without an update of the connection you can use the the button Cancel of the parameter frame.

In the next subsection you will find details about the execution of the process networks and the control of the visualisation.

 
Introduction > Process > Link Process and Buffer (New Arrow)

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