Used to set the height of a scan image in Decapoints. The use of Decapoints as units of measure eliminates the need for the user to understand the scanner mechanics and the device supported resolutions. Additional information: This object will be used to set the height of the scan image. The height will be entered using the measurement of 1/720th of an inch. This will eliminate the host being tied to the scanner mechanics and needing to know what resolutions and number of lines the device supports.