1.Add a checkbox option “Import Grayscale GeoTIFF as Data“, in File Info branch under the file name when file format is tif, it is checked by default.

2.When this node is checked and the file is grayscale and does contain GeoTIFF info.

2.1 Switch to use OpenCV to import the data and use Data matrix as the result.

2.2 Set to Image View.

2.3 Properly set wks.col.missing.