Simplified plotter
Simplified plotter


Former-commit-id: cd8cb63e92837fed869cf34bb3314c205a1c405f [formerly 4366c0c8ed1c51ca470821f8123ec056382c8925]
Former-commit-id: 37b5b6d6321ea2c0e332e50235493263d38b9dd6
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine