st_samealignment(double precision, double precision, double precision, double precision, double precision, double precision, double precision, double precision, double precision, double precision, double precision, double precision)

args: ulx1, uly1, scalex1, scaley1, skewx1, skewy1, ulx2, uly2, scalex2, scaley2, skewx2, skewy2 - Returns true if rasters have same skew, scale, spatial ref, and offset (pixels can be put on same grid without cutting into pixels) and false if they dont with notice detailing issue.