Yes, the background looks a bit empty because I've been costricted to remove many populations, after importing the model into the scene my RAM (1G) just lacked to render all the instances and loading all the necessary textures.. I've mantained some bush and some grass in the right background. I know it's a shame, especially after the long work done to create a dense vegetation environment (needing new hardware!)
toffolo: the displacement is created with TG2, and the model itself is pretty simple (vegetation excluded). Creating the texture was the longest work: I've assembled a very big map (7500x4000) starting from a stone wall image downloaded from
mayang.com. I can say I've built manually those walls, brick per brick
. Also the irregular edges of the ruin are obtained with cutout maps, with same procediment that defines the edges of a leaf using the alpha channel of his texture.
To give 3dimensional displacement I've employed a desaturated (b/w) and contrast enhanced version of this color map as displacement function, played a lot to set the right value (about 4 centimeters), then the rendering engine did the work