I have processed stage 1, 2 and 3 of this job. Have then started manually classifying the points and have done the vast majority of the area I needed to do. Now I have come back to finish the job off and the point cloud area is greyed out. I have opened several other jobs to check and they are all fine, so it is something related to this job.
Can anyone give me an idea on what is going on? As I say, I have spent a considerable amount of time classifying the data so I dont want to have to redo stage 2.