A gaussian field computed with the 'max-plus' arithmetic (maximum,addition) [Un champ gaussien calculé avec l'arithmétique 'max-plus' (maximum,addition)].
See some related pictures (including this one) regarding the so-called extended arithmetic:
A gaussian field computed with the standard arithmetic (addition,multiplication):
The same gaussian field computed with the 'max-plus' arithmetic (maximum,addition):
The same gaussian field computed with the 'min-plus' arithmetic (minumum,addition):