% load VMP and SRF
vmp = xff('*.vmp', 'Please select a VMP for SMP creation...');
srf = xff('*.srf', 'Please select a surface to sample VMP at...');

% convert to SMP
smp = vmp.CreateSMP(srf);

% save as and clear all VMP/SRF objects
smp.SaveAs;
vmp.ClearObject;
srf.ClearObject;