HYTOS

        from QEngineeringFlowArrowItem import QEngineeringFlowArrowItem 

        from EngineeringLineItem import QEngineeringLineItem

        from EngineeringUnknownItem import QEngineeringUnknownItem

        try:

            docData = AppDocData.instance()

                    for item in items:

                        diffItems.remove(item)

                    '''

                        idx += 1

                    else:

                        # create unknown item

                        epsilon = cv2.arcLength(contour, True)*0.001

                        approx = cv2.approxPolyDP(contour, epsilon, True)

            message = 'error occured({}) in {}:{}'.format(ex, sys.exc_info()[-1].tb_frame.f_code.co_filename, sys.exc_info()[-1].tb_lineno)

            self.addMessage.emit(MessageType.Error, message)

        '''

            @brief      db update when save or recognition

            @author     euisung

            @date       2018.12.26

        '''

        fLines = []

        mask = np.zeros_like(imgNot)

        cv2.drawContours(mask, contours, idx, 123, -1) # Draw filled contour in mask

        out = np.zeros_like(imgNot) # Extract out the object and place into output image

        # Now crop

        ##print(out)

        (bottomx, bottomy) = (np.max(x), np.max(y))

        out = out[topx:bottomx+1, topy:bottomy+1]

        h, w = out.shape[0], out.shape[1]

        maxDifH, maxDifW = math.ceil(math.tan(4 * math.pi / 180) / 2 * w), math.ceil(math.tan(4 * math.pi / 180) / 2 * h)

        edged2 = cv2.Canny(out, 100, 200)

        if lines is None:

        for line in lines:

            r, theta = line[0]

            a, b = np.cos(theta), np.sin(theta)

            else:

                otherLines.append(fLine)

        if (len(horLines) > 0 and len(verLines) > 0) or len(otherLines) is 0 or (len(horLines) == 0 and len(verLines) == 0):

        baseLines = []

        baseDifV = 0

                j += 1

            i += 1

        if not isSameLine:

        isSameLine = True

        i = 0

                j += 1

            i += 1

        if not isSameLine:

        isSameLine = True

        i = 0

                j += 1

            i += 1

        if not isSameLine:

        # Show the output image

        print('line no indicator')

        #cv2.imshow('Output', out)

        #cv2.waitKey(0)

        #cv2.destroyAllWindows()

    '''

        @brief      load recognition result