Distance of source from image plane (d): 10
Distance of occluder from image plane (l): 5
Length of source (s1): 10
Breadth of source (s2): 10
Length of occluder (s3): 10
Breadth of occluder (s4): 10
Theta (theta): 0.7854
Length of image plane relative to length of source (s5): 10
Breadth of image plane relative to breadth of source (s6): 10
No. of grid points along length on the source (as): 25
No. of grid points along breadth on the source (bs): 25
No. of grid points along length on the image plane (ap): 50
No. of grid points along breadth on the image plane (bp): 50