You can use grading features in VStitcher to do the following:
Copying grading settings to one or more grade points. For more information, refer to Copying Grading Values.
Flip grading values from a positive value to a negative value and the other way around. For more information, refer to Flipping Grading Values.
Clear one or more grade points, and set their value to zero. For more information, refer to Clearing a Grade Point.
Disable one or more grade points. For more information, refer to Disabling a Grade Point.
Set a grade point to be static. For more information, refer to Setting a Static Grade Point.
Manually grade all sizes simultaneously, by a fixed amount, using the Increment tool. For more information, refer to Using the Increment Tool.