Failure mode

Ordinary or manual mapping

Cartography digital by photogrammetry

Family 1

(Bedding)

Family 2

(Joint 2)

Family 3

(Joint 1)

Family 1

(Bedding)

Family 2

(Joint 2)

Family 3

(Joint 1)

Planar failure

2.56%

6.01%

Corner failure

18.08%

17%

Failure by tipping

17.95%

17.42%