grf_walk_nat_1_tight.xml

<?xml version="1.0" encoding="UTF-8" ?>
<OpenSimDocument Version="30000">
    <ExternalLoads name="grf_walk">
        <objects>
            <ExternalForce name="Right_GRF">
                <!--Name of the body the force is applied to.-->
                <applied_to_body>calcn_r</applied_to_body>
                <!--Name of the body the force is expressed in (default is ground).-->
                <force_expressed_in_body>ground</force_expressed_in_body>
                <!--Name of the body the point is expressed in (default is ground).-->
                <point_expressed_in_body>ground</point_expressed_in_body>
                <!--Identifier (string) to locate the force to be applied in the data source.-->
                <force_identifier>ground_force_r_v</force_identifier>
                <!--Identifier (string) to locate the point to be applied in the data source.-->
                <point_identifier>ground_force_r_p</point_identifier>
                <!--Identifier (string) to locate the torque to be applied in the data source.-->
                <torque_identifier>ground_torque_r_</torque_identifier>
            </ExternalForce>
            <ExternalForce name="Left_GRF">
                <applied_to_body>calcn_l</applied_to_body>
                <force_expressed_in_body>ground</force_expressed_in_body>
                <point_expressed_in_body>ground</point_expressed_in_body>
                <force_identifier>ground_force_l_v</force_identifier>
                <point_identifier>ground_force_l_p</point_identifier>
                <torque_identifier>ground_torque_l_</torque_identifier>
            </ExternalForce>
        </objects>
        <groups />
        <!--Storage file (.sto) containing (3) components of force and/or torque and point of application.Note: this file overrides the data source specified by the individual external forces if specified.-->
        <datafile>./goodresults/27ms_mk12/015_3ActMet_6835_tight_clever_symmetry_2/3ActMet_notendon_2D3D_OG_muscles_Tracking_solutionGRF_FullStride.sto</datafile>
        <!--Optional motion file (.mot) or storage file (.sto) containing the model kinematics used to transform a point expressed in ground to the body of force application.If the point is not expressed in ground, the point is not transformed-->
        <external_loads_model_kinematics_file></external_loads_model_kinematics_file>
        <!--Optional low-pass cut-off frequency for filtering the model kinematics corresponding used to transform the point of application. A negative value results in no filtering. The default value is -1.0, so no filtering.-->
        <lowpass_cutoff_frequency_for_load_kinematics>20</lowpass_cutoff_frequency_for_load_kinematics>
    </ExternalLoads>
</OpenSimDocument>