jpsreport_#84

VEL_IFD = []
VEL = []
RHO = []

for f in range(df['Frame'].min(),df['Frame'].max()):

    meanV01 = []
    meanV02 = []
    density = []

    for i in df[df['Frame'] == f]['PersID'].iteritems():

        polygons_mA = []
        polygons_op = []
        polygons_ip = []

        # measurement area
        poly_ma = df['measurementArea'][i[0]].strip()
        # original polygon
        poly_op = df['polygon_iterator'][i[0]].strip()
        # intersected polygon
        poly_ip = df['v'][i[0]].strip()

        exec("p_mA = %s"%poly_ma)
        exec("p_op = %s"%poly_op)
        exec("p_ip = %s"%poly_ip)

        pmA = locals()['p_mA']
        pop = locals()['p_op']
        pip = locals()['p_ip']

        polygons_mA.append(pmA)
        polygons_op.append(pop)
        polygons_ip.append(pip)

        Poly_mA = np.array(polygons_mA[0]) / 10000
        Poly_op = np.array(polygons_op[0]) / 10000
        Poly_ip = np.array(polygons_ip[0]) / 10000

        # individual calculation
        # velocity
        # jupedsim: meanV+=Velocity[temp]*area(v[0]);
        vel = df['vel'][i[0]] * Polygon(polygons_ip[0]).area()

        meanV01.append(vel)
        meanV02.append(df['vel'][i[0]])

        # density
        # jupedsim: density+=area(v[0])/area(polygon_iterator);
        density_ratio = Polygon(polygons_ip[0]).area() / Polygon(polygons_op[0]).area()
        density.append(density_ratio)

    # calculation
    # velocity
    mV1 = np.array(meanV01)
    mV2 = np.array(meanV02)
    # jpsreport: meanV/area(measureArea);
    meanV1 = mV1.sum() / Polygon(polygons_mA[0]).area()
    meanV2 = mV2.mean()

    # jpsreport: density = density/(area(measureArea)*CMtoM*CMtoM);    
    rho = np.array(density)
    rho_mA = rho.sum() / (Polygon(polygons_mA[0]).area() * CMtoM * CMtoM)

    RHO.append(rho_mA)
    VEL.append(meanV2)
    VEL_IFD.append(meanV1)

    print('mean velocity IFD: {0:.3f} m/s'.format(meanV1))
    print('mean velocity: {0:.3f} m/s'.format(meanV2))
    print('mean density:  {0:.3f} P/m2'.format(rho_mA))