parabola result 0  0  0  10 10
dset ech 1.1
repeat 20 { 
    2dpscale result 0 0 0 ech; 
    copy result .; 
}
checkdump result -name {Center Axis XAxis YAxis Focal} -ref {{0 0} {0 1} {0 1} {-1 0} {67.2749994932561}} -eps 0.01
checkview -display result -2d v2d -path ${imagedir}/${test_image}.png