Quote -   ...the second idea is what i'd like to be doing in the first place but the road network is just too big for that. 

This terrain uses this method to distinguish the overall grassy texture from bare-worn footpaths, muddy streambeds, rock outcroppings.

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The camera is in the center of this terrain, so you only see half of it here.  I can easily cover a much larger area, and still have discreet areas of detail with sharp resolution.  The technique was designed to cover massive environments at modest cost in system resources.  It works for the terrain of Lothlorien, and it works for the asphalt lots and streets of TinkerBell's Drive-In Cafe'.

     The computer on which I was building The updated version of Tink's Cafe' blew the OS RAID, so I'll have to root through the backup external hard drives, but I can dig this up.

Poser 12, in feet.  

OSes:  Win7Prox64, Win7Ultx64

Silo Pro 2.5.6 64bit, Vue Infinite 2014.7, Genetica 4.0 Studio, UV Mapper Pro, UV Layout Pro, PhotoImpact X3, GIF Animator 5