Calculate the indirect distance between two points

I want to calculate the distance between two points, but there is not any direct path between them, so the ordinary Pythagorean theorem is not practical since it calculated the minimum and direct distance. is there and command for this purpose in Matlab?

Answer 1

[Wolfgang Schwanghart]

Bahare,

you might find this contribution interesting: http://www.mathworks.com/matlabcentral/fileexchange/8625-shortest-path-with-obstacle-avoidance-ver-1-3

Regards, W.