  Extrapolation codes in Cartesian geometry for modelling the magnetic field in
the corona do not take the curvature of the Sun's surface into account and can
only be applied to relatively small areas, e.g., a single active region. We
compare the analysis of the photospheric magnetic field and subsequent
force-free modeling based on full-disk vector maps from Helioseismic and
Magnetic Imager (HMI) on board solar dynamics observatory (SDO) and Vector
Spectromagnetograph (VSM) of the Synoptic Optical Long-term Investigations of
the Sun (SOLIS). We use Helioseismic and Magnetic Imager and Vector
Spectromagnetograph photospheric magnetic field measurements to model the
force-free coronal field above multiple solar active regions, assuming magnetic
forces to dominate. We solve the nonlinear force-free field equations by
minimizing a functional in spherical coordinates over a full disk excluding the
poles. After searching for the optimum modeling parameters for the particular
data sets, we compare the resulting nonlinear force-free model fields. We
compare quantities like the total magnetic energy content and free magnetic
energy, the longitudinal distribution of the magnetic pressure and surface
electric current density using our spherical geometry extrapolation code. The
magnetic field lines obtained from nonlinear force-free extrapolation based on
Helioseismic and Magnetic Imager and Vector Spectromagnetograph data have good
agreement. However, the nonlinear force-free extrapolation based on
Helioseismic and Magnetic Imager data have more contents of total magnetic
energy, free magnetic energy, the longitudinal distribution of the magnetic
pressure and surface electric current density compared to the one from Vector
Spectromagnetograph data.
