Note

Click here to download the full example code

# Reshape Table¶

This example will demonstrate how to reshape an input table as though it were a 2D array.

This filter will take a vtkTable object and reshape it. This filter essentially treats vtkTable`s as 2D matrices and reshapes them using `numpy.reshape in a C contiguous manner. Unfortunately, data fields will be renamed arbitrarily because VTK data arrays require a name.

This example demos `PVGeo.filters.ReshapeTable`

```
import numpy as np
import pyvista as pv
import PVGeo
from PVGeo.filters import ReshapeTable
```

Create some input table

```
t0 = pv.Table()
# Populate the tables
arrs = [None, None, None]
n = 400
ncols = 2
nrows = int(n * len(arrs) / ncols)
titles = ('Array 0', 'Array 1', 'Array 2')
arrs[0] = np.random.random(n)
arrs[1] = np.random.random(n)
arrs[2] = np.random.random(n)
t0[titles[0]] = arrs[0]
t0[titles[1]] = arrs[1]
t0[titles[2]] = arrs[2]
```

Use the filter to reshape the table

```
order = 'F'
newtitles = ['Title %d' % i for i in range(ncols)]
output = ReshapeTable(order=order,
ncols=ncols,
nrows=nrows,
names=newtitles).apply(t0)
print(output)
```

Out:

```
Table (0x7f6a5d625be8)
N Rows: 600
N Arrays: 2
```

Check the output

```
tarr = np.zeros((nrows, ncols))
for i in range(ncols):
tarr[:,i] = output[i]
arrs = np.array(arrs).T
arrs = arrs.flatten()
arrs = np.reshape(arrs, (nrows, ncols), order=order)
assert(tarr.shape == arrs.shape)
assert(np.allclose(tarr, arrs))
```

**Total running time of the script:** ( 0 minutes 0.004 seconds)