You can find instructions here to access the settings for the Need4Viz charts : Format Custom Element.
For the complex RDF chart, the available settings are :
Extended parameters
Global
Links
Links colors :This setting allows you to define a color for the link and the arrow as well as their intensities.
Link thikness :This setting allows you to define the thickness of the desired link.
Link type :This setting allows you to define a style for the links between curve, straight, broken line or horizontal / vertical.
Arrow type :This setting allows you to define a shape for the arrows between curved triangle, right triangle, bar triangle, square, round, diamond or chevron.
Colors
Default node color :This setting allows you to define the default node color as well as its opacity.
Definition of node colors according to dimension :This setting allows you to define up to 5 different colors and their opacities.
Outline
Color of outline :This setting allows you to define a color for the outlines as well as its opacity.
Default node outline :This setting allows you to define a style for the default node outlines.
Definition of node outines accrding to dimension :This setting allows you to define up to 5 different outlines styles.
Size
Node size :This setting allows you to define whether the size will be fixed or variable.
Definition of the fixed size of the nodes :This configuration makes it possible to define a fixed size for the nodes (between 1 and 100).
Definition of the varaible size of the nodes :This setting allows you to define 3 node sizes according to the value of measure 1 (Define in parameters).
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Export HTML :This common setting is described here →
Export HTML
Export FTP :This common setting is described here →
Export FTP