# File lib/graster/gmask_file.rb, line 11 def span forward, x1, x2 if forward self << "0 0 0 %0.3f\n" % x1 if @begin_row self << "0 0 1 %0.3f\n" % x1 self << "0 1 1 %0.3f\n" % x2 else self << "0 0 1 %0.3f\n" % x1 if @begin_row self << "0 0 0 %0.3f\n" % x1 self << "0 1 0 %0.3f\n" % x2 end @begin_row = false end