Helo i am trying to create synthetic image with some geometrical shape like traingle, rectangle with gray scale. can any one plz put the idea how to make a triangle here.

Hello i am trying to create synthetic image with some geometrical shape like triangle, rectangle with gray scale. can any one plz put the idea how to make a triangle here.

[Walter Roberson]

duplicates http://www.mathworks.co.uk/matlabcentral/answers/67664-how-to-make-triangle-for-a-synthetic-image-in-gray-scale