Spira help

Description of Image 1

This blue circle represents a node that has not yet been discovered by the algorithm. The node's name is shown in the center, and its current known shortest distance (e.g., N1.d) is displayed below.

Description of Image 2

When algorithm discovers node it turns red.

Description of Image 3

Solved nodes are green.

Description of Image 1

Edges look like arrows aiming from starting to end node. Each edge has it's weight c(N1, N2) above.

Description of Image 2

Edges that are currently in queue are gray.

Description of Image 1

When algorithm scans new edge and discovers new node they both turn red.

Description of Image 1

When algorithm scans new edge but do not discover new node, edge turns orange.