Blade

1. Add EnumerateImages filter to get load consecutive images of some disk directory.

2. Setup fitting field like on the image below:

3. Set inScanCount to 25.

4. Set inScanWidth to 10.

5. Set inEdgeScanParams.MinMagnitude to 10.000.

6. Set inMaxIncompleteness to 0.700.

7. Label the outSegment as Segment1

8. Add another FitSegmentToEdges filter to find a segment that best matches the left edge points.

9. Add FitSegmentToEdges filter to find a segment that best matches the upper edge points. Connect to it the output of EnumerateImages.

10. Setup fitting field by clicking inFittingField in Filter Properties.

11. Set inScanWidth to 10.

12. Set inEdgeScanParams.MinMagnitude to 10.000.

13. Set inEdgeScanParams.EdgeTransition to DarkToBright.

14. Set inMaxIncompleteness to 0.700.

15. Label the outSegment as Segment2

16. To measure the angle between the found segments you can use a formula. You do not have to connect labeled outputs to the formula to be able to use them.

    Angle = angleDiff(Segment1.Direction, Segment2.Direction, 180)

Macrofilter Main