Various software mapping aspects are provided. They include, but are not limited to, providing linear map to non-linear map conversion or transformation (and vice versa) in a symmetric fashion, so that data in one map upon conversion is symmetric in another map with respect to the former map. One way...http://www.google.fr/patents/US7649534?utm_source=gb-gplus-shareBrevet US7649534 - Design of arbitrary linear and non-linear maps
