Is it possible to draw edges with 90 degrees angle?

[keanesnow98]

I would like to show database connection in frontend using cytoscape. I made parent nodes with box shape and placed several child nodes in it. Now, I have to show relationship between tables with edges. I used curve-style: segments and I got the result below:

And the result what I am thinking is:

Is it possible to do or restriction in cytoscape?

[keanesnow98]

I think using taxi will let cytoscape to draw 90 degrees polylines.
But still it doesn't avoid the node shapes.