Visual Paradigm supports a number of ways of aligning connector caption, which suit different modeling preferences. In this article, we will go through the various kinds of connector alignment, and see how to set the alignment in diagram, shape and workspace respectively.
Various Kinds of Connector Caption AlignmentBefore seeing how to set a connector's caption alignment, let's take a look at the various kind of alignment. Horizontal Only (default option)Connector captions will always appear horizontally ignoring the slope of connector. 
Horizontal or Vertical OnlyConnector caption may appear horizontally or vertically, depending on the slope of connector. 
Follow Connector AngleConnector captions will be aligned with the connectors, i.e. to follow their slopes. 
Follow Connector Angle and Keep Text Up RightSimilar to the previous option but differs in that this option will make the text always start from left to right. If we focus on the connector between “Class” and “Class6”, we can see that the previous option will cause the text to appear invert, but this option not.
Setting Caption AlignmentDiagram basedChanging the diagram based setting will affect all connectors in the diagram. To set, right-click on the diagram background and select Connectors in the popup menu. There you can select an option in the Caption Orientation section. 
Connector basedThe connector based setting overrides the diagram and workspace setting (unless Follow Diagram is selected). To set, right-click on a connector and select Style and Formatting > Connector Style in the popup menu, and choose an option from the Caption Orientation section.
Workspace wideWorkspace wide setting affects the new connectors being created in projects created or will be created under the current workspace, including the opening project. To set, select Tools > Options from the main menu. 
In the Options dialog box, open the Diagramming page, switch to the Connector tab and select the desired way of aligning caption under the Caption Orientation drop down menu.
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