gistfile1.py

    def _parse_variable_tray(self,config):
        # for a variable tray we allocate the rows
        # at run time as needed
        tl_x = config["points"]["tl"]["x"]
        tl_y = config["points"]["tl"]["y"]
        br_x = config["points"]["br"]["x"]
        br_y = config["points"]["br"]["y"]
        self.row_tl = [tl_x,tl_y]
        self.row_br = [br_x,br_y]
        x_off = config["offsets"]["x"]
        y_off = config["offsets"]["y"]
        self.offsets = [x_off,y_off]
        pos = self.top_left()
        y_top = self.row_tl[1]+pos[1]
        y_bottom = self.row_br[1]+pos[1]
        x_start = self.row_tl[0]+pos[0]
        x_stop = self.row_br[0]+pos[0]
        x_pts = np.linspace(x_start,x_stop,tray.self.part_rows)
        count = len(x_pts)
        ymin = (np.ones([1,count])*y_top)[0].tolist()
        ymax = (np.ones([1,count])*y_bottom)[0].tolist()
        state = ["free" for i in range(0,count)]
        # MWAHAHAHAHA!!!
        # list of [["state",((start_x,start_y),(stop_x,stop_y))]]
        self.slots = zip(state,zip(zip(x_pts,ymin),zip(x_pts,ymax)))