Create a mask

There are multiple ways to create a mask. The mask must be BMP monochrome or a 8 bits image. In this example we will use Gimp.

1. Run FreeTure in mode 4 to get a single capture freeture -m 4 -g 2 -e 150 --bmp true
2. Open the capture with Gimp
3. Tools -> Selection Tools -> Ellipse Select
4. Select an area on the image
5. Edit -> Fill with BG Color
6. Select -> Invert
7. Edit -> Fill with FG Color :
8. Change the number of colors : image -> mode -> indexed colors : number of colors-> 2
9. Export as mask.bmp