Correctly set the gridOrigin and gridSpacing XML params
Correctly set the gridOrigin and gridSpacing XML params

ospray/OSPRay,ospray/OSPRay,ospray/OSPRay,wilsonCernWq/ospray,wilsonCernWq/ospray,MengjiaoH/ospray,MengjiaoH/ospray,MengjiaoH/ospray,wilsonCernWq/ospray,MengjiaoH/ospray,ospray/OSPRay,MengjiaoH/ospray