how to add new option to context menu of biograph viewer

Question

Sadegh Salesi Mousaabadi 2017-1-21

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https://ww2.mathworks.cn/matlabcentral/answers/321326-how-to-add-new-option-to-context-menu-of-biograph-viewer

回答： Saurabh Gupta 2017-1-30

hello everybody,

I am going to draw a network using graphmaxflow function. A simple code could be:

cm = sparse([1 1 2 2 3 3 4 5],[2 3 4 5 4 5 6 6],... [2 3 3 1 1 1 2 3],6,6); bg2 = graphmaxflow(cm,1,6); h = biograph(cm); a=view(h)

if you run this code in Matlab a network will be drawn properly. what I am going to do next is to add an option to context menu of the viewer (i.e node type) that if the user does right-click on each node, this option appears and the user can set value for the same property (node type) in the node properties.

I tried to use addprop function but the matlab says "Undefined function 'addprop' for input arguments of type 'biograph.node'."

can anyone help?

thanks

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Answer 1

Saurabh Gupta 2017-1-30

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https://ww2.mathworks.cn/matlabcentral/answers/321326-how-to-add-new-option-to-context-menu-of-biograph-viewer#answer_252649

The right-click context menu options for the Biograph Nodes is generated based on the methods defined for the node object. It seems unlikely that you will be able to add a custom option there.

You may be able to implement the option using NodeCallbackValue callback function for Biograph Nodes.