pointer graph creation with angular programming.

pointer graph creation with angular programming. The graph must display absolute values ​​and not in %. the three graphs with hands must display the data obtained from the DB and displayed on three circular graphs. The values ​​of must be exposed from the DB. First graph: production in KW of the photovoltaic system. Second graph: self-consumption in KW. Third graph in excess kW produced by the plant. There must be the possibility to select a display time frame, for example: the previous 24 hours, the previous seventh, the previous month, or the total period since the system was installed