Commit 0ee2ff56 authored by Daniel Friesel's avatar Daniel Friesel
Browse files

add voltage vs current (and vice versa, and power) plots

parent f1862410

bin/kaxxxxp-viewer

+25 −2
Original line number Diff line number Diff line
@@ -364,6 +364,7 @@ def plot_data(data, mode): 
            markersize=1,

        )

        plt.legend(handles=[datahandle, meanhandle])

        plt.xlabel("Time [s]")

        plt.ylabel("Voltage [V]")



    elif mode == "I":
@@ -376,6 +377,7 @@ def plot_data(data, mode): 
            markersize=1,

        )

        plt.legend(handles=[datahandle, meanhandle])

        plt.xlabel("Time [s]")

        plt.ylabel("Current [A]")



    elif mode == "P":
@@ -390,6 +392,27 @@ def plot_data(data, mode): 
            markersize=1,

        )

        plt.legend(handles=[datahandle, meanhandle])

        plt.xlabel("Time [s]")

        plt.ylabel("Power [W]")



    elif mode == "UI":

        plt.plot(data[:, 1], data[:, 2], "bs", markersize=1)

        plt.xlabel("Voltage [V]")

        plt.ylabel("Current [A]")



    elif mode == "UP":

        plt.plot(data[:, 1], data[:, 1] * data[:, 2], "bs", markersize=1)

        plt.xlabel("Voltage [V]")

        plt.ylabel("Power [W]")



    elif mode == "IU":

        plt.plot(data[:, 2], data[:, 1], "bs", markersize=1)

        plt.xlabel("Current [A]")

        plt.ylabel("Voltage [V]")



    elif mode == "IP":

        plt.plot(data[:, 2], data[:, 1] * data[:, 2], "bs", markersize=1)

        plt.xlabel("Current [A]")

        plt.ylabel("Power [W]")



    plt.show()
@@ -529,8 +552,8 @@ def main(): 
    parser.add_argument(

        "--plot",

        metavar="UNIT",

        choices=["U", "I", "P"],

        help="Plot voltage / current / power over time",

        choices=["U", "I", "P", "UI", "UP", "IU", "IP"],

        help="Plot voltage / current / power over time or voltage vs current / current vs voltage",

    )

    parser.add_argument(

        "duration", type=int, nargs="?", help="Measurement duration in seconds"