#output data stored in data variable to a vtk file for structured_points

file=open("x.vtk","w")
file.write("# vtk DataFile Version 3.0\n")
file.write("Structured Points\n")
file.write("ASCII\n")
file.write("\n")
file.write("DATASET STRUCTURED_POINTS\n")
dimension="DIMENSIONS "+str(nz)+" "+str(ny)+" "+str(nx)
file.write(dimension+"\n")
file.write("ORIGIN 1 1 1\n")
file.write("SPACING 1 1 1\n")
file.write("\n")
file.write(("POINT_DATA "+str(nn)+"\n"))
file.write(("SCALARS scalars float\n"))
file.write(("LOOKUP_TABLE default\n"))
file.close()

file=open("x.vtk","a")
for dat in data:
    file.write((str(dat)+"\n"))
file.close()