1) i added plane and divide it 8x8 grid. 2) i just pull up most middle four vertex to test result. 3) i created new image 9x9 pixel at UV/Image Editor 4) When Top Ortho , i unwrap it with ( Project from View Bounds )
and i am trying to take heightmap (bake heightmap) but it is giving this result :
how can i take this result :

