Description:

Delete a mark from a photo.

Syntax:

"DeleteMarkedPoint OPID PhotoID"

where:

OPID is the ID number of the marked point and PhotoID is the ID of the photo on which the point is marked.

Return:

Return "1" if successful, "0" if not.

Failure returns if

- No project open

- Point ID doesn't exist

- Photo ID doesn't exist

- The Point is not marked on the photo

Example:

" DeleteMarkedPoint 19 3"

return: "1"