how to combine two different vtk file?

Support
1

i have two different vtk file,both are RECTILINEAR_GRID
could i combine these into one vtk file?

vtk DataFile Version 4.2

vtk output
ASCII
DATASET RECTILINEAR_GRID

DIMENSIONS 11 11 11
X_COORDINATES 11 double
-20.000000 -16.000000 -12.000000 -8.000000 -4.000000
0.000000 4.000000 8.000000 12.000000 16.000000
20.000000
Y_COORDINATES 11 double
-20.000000 -16.000000 -12.000000 -8.000000 -4.000000
0.000000 4.000000 8.000000 12.000000 16.000000
20.000000
Z_COORDINATES 11 double
100.000000 110.000000 120.000000 130.000000 140.000000
150.000000 160.000000 170.000000 180.000000 190.000000
200.000000

vtk DataFile Version 4.2

vtk output
ASCII
DATASET RECTILINEAR_GRID

DIMENSIONS 11 11 6
X_COORDINATES 11 double
-20.000000 -16.000000 -12.000000 -8.000000 -4.000000
0.000000 4.000000 8.000000 12.000000 16.000000
20.000000
Y_COORDINATES 11 double
-20.000000 -16.000000 -12.000000 -8.000000 -4.000000
0.000000 4.000000 8.000000 12.000000 16.000000
20.000000
Z_COORDINATES 6 double
0.000000 10.000000 20.000000 30.000000 40.000000
50.000000

2

Please see How to merge two PolyData into one

Essentialy you need to read in each file and merge them using vtkAppendPolyData---->vtkCleanPolyData as mentioned there.