How to flatten the cost attribute of Find Shortest Path SOP?

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Hi,

 

I have multiple shapes that are isolated, so they aren't connected to each other. I have 1 point at each shape, where I am calculating the cost from these points to all ends. This works well. But Find Shortest Path creates a new component for each start point, so if I have 5 points, I get float[5].

 

Since each point can only go to the ends of the shape it belongs to, how can I flatten this attribute so that I only have a float attribute?

 

Because I am trying to set point colors using cost but because there are multiple components, using the right values prove to be difficult.

 

I tried creating a new attribute using max(cost array), but it didn't work. I tried AttribPromote and Foreach SOP without success. Is there a simple way to do this?

 

 

Thanks