DGF
Interval
-1  -1       % first corner 
 1  1        % second corner
 4  4        % 4 cells in x and 4 in y direction
#
Vertex       % some additional points
 0.75 0.75   % inside the interval
 0.9 0.9     % also inside the interval
 1.25 1.25   % and one outside of the interval
#
Simplexgenerator
min-angle 30    % quality enhancment
max-area 0.01   % area restriction
display 0       % show result using Triangle viewer

% to use Triangle from a certain path, uncomment this path line
%path $HOME/bin      % path to Triangle

#
BOUNDARYDOMAIN
1  -1 -1    1 -1       % lower boundary has id 1
2  -10 -10    10  10   % all others have id 2 (could use default keyword...)
#BOUNDARYDOMAIN
# examplegrid2c.dgf

