Revert "viseur"

This reverts commit f0ddc78e1804e24d118018c25eba32afe11e5d22.
Revert "viseur"

This reverts commit 88ac2ae0eb92079bcde45a69f94c819c37490942.
Revert "viseur"

This reverts commit 50e0def345516221c7060d9fef671e61c6b4b22f.