typedef struct lmrcImageDensityInfoInfo {
floatVector percentageVolume;
mrcImageParaTypeRealCoord centreOfGravity;
mrcImageParaTypeRealCoord centreOfGravitySD;
mrcImageParaTypeRealCoord max;
mrcImageParaTypeRealCoord maxSD;
double deltaVolume;
mrcImage in;
} lmrcImageDensityInfoInfo;