Generate Artoolkit Marker you have to follow step

Step 1: open terminal

Step 2: reach folder where genTexData script located using cd command ex. cd /Desktop/bin/….(path)

Step 3: ./genTexData pinball.jpg

Step 4: Select extraction level for tracking features from 0,1 or 3

Step 5: Select extraction level for initializing features from 0,1 or 3

Step 6: enter resolution to use(in decimal DPI)

Step 7: Enter minimum image resolution (DPI, in range (0,200.000))

Step 8: Enter maximum image resolution (DPI, in range (20.000,220.000))

USE 3 file in your project like:

pinball.fset
pinball.fset3
pinball.iset