hi, everybody, im learning houdini actually, im comming from maya, and i just wanna know how do you achieve these kind of effects in houdini, if someone could give an example…

the first is this formation of adidas logo made with instanced cubes, and the name made with instanced cubes too:

http://www.youtube.com/watch?v=EQV1O5tVaxw [youtube.com]

and the other is this effect where the cubes and the walls are ramdomly extruded or moved in normal directions in random blocks following the rithm.

http://www.vimeo.com/2132191 [vimeo.com]