function [FULL_FINE_XX,FULL_FINE_YY,X_ranges,Y_ranges]=...
		break_curvilinear_grid(OBS_DIR,FINE_XX_TARGET,FINE_YY_TARGET,...
		GRID_CHUNK_PTS,var);

 	[OLD_FINE_XX,OLD_FINE_YY]=get_fineObs_grid(OBS_DIR,var);

        pts = GRID_CHUNK_PTS; %how to split apart the target fine grid for processing in grid chunks

        X_ranges=[1 size(OLD_FINE_XX,1)];
        Y_ranges=[1 size(OLD_FINE_YY,2)];
	FULL_FINE_XX= OLD_FINE_XX;
	FULL_FINE_YY= OLD_FINE_YY;
end
