The present invention aims for shortening a time required before the focus control is started. In the liquid processing apparatus, a unit for photographing a leading end portion of a coating solution nozzle 10 is provided. The method may include the one or more shaders forming the 3D object by forming a plurality of 3D vertex attributes of the 2D object. The hardware control layer includes a hardware control object for each of a set of sub-portions of the hardware system.