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#!/usr/bin/env python
"""
This file provides a more advanced example of vtkTable access and
manipulation methods.
"""
from __future__ import print_function
from vtk import *
#------------------------------------------------------------------------------
# Script Entry Point (i.e., main() )
#------------------------------------------------------------------------------
if __name__ == "__main__":
""" Main entry point of this python script """
print("vtkTable Example 4: Accessing vtkTable data elements")
# Load our table from a CSV file (covered in table2.py)
csv_source = vtkDelimitedTextReader()
csv_source.SetFieldDelimiterCharacters(",")
csv_source.SetHaveHeaders(True)
csv_source.SetFileName("table_data.csv")
csv_source.Update()
csv_source.GetOutput().Dump(6)
T = csv_source.GetOutput()
# Print some information about the table
print("Number of Columns =", T.GetNumberOfColumns())
print("Number of Rows =", T.GetNumberOfRows())
print("Get column 1, row 4 data: ", T.GetColumn(1).GetValue(4))
# Add a new row to the table
new_row = [8, "Luis", 68]
for i in range( T.GetNumberOfColumns()):
T.GetColumn(i).InsertNextValue( str(new_row[i]) )
print("Table after new row appended:")
T.Dump(6)
print("vtkTable Example 4: Finished.")
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