Geometric Shadow Of Obstacle
Geometric shadow of obstacle
graph TD;
A[Geometric shadow of obstacle];
B[Light Source];
C[Obstacle];
D[Shadow];
E[Observer];
F[Light Path];
G[Shadow Boundary];
H[Shadow Region];
I[Penumbra];
J[Umbra];
K[Antumbra];
A-->B;
A-->C;
A-->D;
A-->E;
B-->F;
C-->F;
C-->G;
D-->G;
D-->H;
E-->F;
E-->H;
H-->I;
H-->J;
H-->K;
