Swimming Pool Reflecton in deck

Hello CGP,

pa help naman po, kung saang link dito yung may tutorial ng reflection ng swimming pool na mag reflect sa deck, nahilo nako kakahanap hehehe. inisa-isa ko na using search result, kaso, no luck, may nakaka alam ba nun? sana ilagay nalang sa tutorial section. thanks

http://www.cgpinoy.org/t4616-caustics-tutorial-water-update?highlight=CAUSTICS

Salamat whey, pero need ko yung reflect nya na nasa ilalim ng deck like this.

water material sa vray materials.... automatic na.