Extracting a "Dotted Network" skeleton from a glowing raster image for vector editing

[saint_m]

g day rich  well  this is only a example nothing more. I did not find anything other - but i would say - there must be millions and much much more out there.

so sorry for the bad example. I look for a better one.



btw: unfortunaltly i cannot erase the bad example in my posting 
could you do this for me.  i t is prettry worhtless - and i try to find an better one