Get houdini (you know you want to) : http://www.sidefx.com/apprentice
Attribute transfer and position
Download houdini scene: File:attribute_transfer_position.hip
- Create grid
- create sphere
- create attribute transfer node
- wire grid into first input, sphere into second
- set mode to 'point', on first tab set the attribute to 'P'
- on second tab set the distance and blend width to get a blendy warp like the soup version.