sql - Creating an index for a complex geospatial query with many joins -

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i've been reading creating postgres indexes day or 2 not getting results rather complex query. i've attached query below in case you're interested in seeing i'm dealing (code has been extracted source code): http://paste.ofcode.org/yv2kmnrw2bupungdgu6djb

also here's explain response: http://paste.ofcode.org/eudmuutchgkhrgqpydfath

i'm wondering tactic should take in planning index scheme.

guidance/insight appreciated.

thanks.


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