Revert "Revert "plot1""

This reverts commit a42182d2b9a0a0afe6d70edc62e7c26481ca8fd7.
Revert "Revert "Revert "plot1"""

This reverts commit a75356696acd66e1b38e91abc7890af42bc8f0c9.
Revert "Revert "Revert "Revert "plot1""""

This reverts commit 99ed4224cf83b332c61a1531adc0ca208cca05d2.