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ThirdParty-6/ParaView-5.0.1/VTK/Examples/Infovis/Python/tables3.py

42 lines
1.0 KiB
Python

#!/usr/bin/env python
from __future__ import print_function
from vtk import *
if __name__ == "__main__":
""" Main entry point of this python script """
#
# Load our table from a CSV file (covered in table2.py)
#
csv_source = vtkDelimitedTextReader()
csv_source.SetFieldDelimiterCharacters(",")
csv_source.SetHaveHeaders(True)
csv_source.SetDetectNumericColumns(True)
csv_source.SetFileName("table_data.csv")
csv_source.Update()
T = csv_source.GetOutput()
print("Table loaded from CSV file:")
T.Dump(6)
#
# Add a new row to the table
#
new_row = [8, "Luis", 68]
for i in range( T.GetNumberOfColumns()):
T.GetColumn(i).InsertNextValue( new_row[i] )
print("\nTable with new row appended:")
T.Dump(6)
#
# Extract row 3 out of the table into a Python list.
#
row = []
row_number = 3
for icol in range( T.GetNumberOfColumns() ):
row.append( T.GetColumn(icol).GetValue( row_number ) )
print("\nExtracted row 3:")
print(row)