Figure 1.

The four types of Venn diagrams drawn by the VennDiagram package. A) A one-set Venn diagram showing rudimentary customizable features such as label font size, label font face, and shape-fill. B) A two-set Venn diagram showing more advanced features such as scaling, individual shape-fill specifications, and individual caption label placement. C) A three-set Venn diagram showing a different shape-line type ("transparent") and the "text" option of caption label placement where the caption labels are attached to area labels. D) A four-set Venn diagram showing a combination of all previous features plus the ability to customize titles. The code to generate all diagrams shown here is included in Additional File 3.

Chen and Boutros BMC Bioinformatics 2011 12:35   doi:10.1186/1471-2105-12-35
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