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#!/usr/bin/env python
import os
import sys
from vtkmodules.vtkCommonCore import (
vtkDoubleArray,
vtkFloatArray,
vtkIntArray,
)
from vtkmodules.vtkCommonDataModel import vtkTable
from vtkmodules.vtkIOInfovis import vtkDelimitedTextReader
from vtkmodules.vtkIOXML import (
vtkXMLTableReader,
vtkXMLTableWriter,
)
from vtkmodules.util.misc import vtkGetDataRoot
from vtkmodules.util.misc import vtkGetTempDir
VTK_DATA_ROOT = vtkGetDataRoot()
VTK_TEMP_DIR = vtkGetTempDir()
file0 = VTK_TEMP_DIR + '/idFile0.vtt'
file1 = VTK_TEMP_DIR + '/idFile1.vtt'
file2 = VTK_TEMP_DIR + '/idFile2.vtt'
# read in some poly data
csvReader = vtkDelimitedTextReader()
csvReader.SetFileName(VTK_DATA_ROOT + "/Data/vehicle_data.csv")
csvReader.DetectNumericColumnsOn();
csvReader.SetHaveHeaders(True);
csvReader.Update()
# write various versions
xmlTableWriter = vtkXMLTableWriter()
xmlTableWriter.SetFileName(file0)
xmlTableWriter.SetDataModeToAscii()
xmlTableWriter.SetInputConnection(csvReader.GetOutputPort())
xmlTableWriter.Write()
xmlTableWriter.SetFileName(file1)
xmlTableWriter.SetInputConnection(csvReader.GetOutputPort())
xmlTableWriter.SetDataModeToAppended()
xmlTableWriter.Write()
# Add some arrays to the FieldData
modifiedTable = vtkTable()
modifiedTable.DeepCopy(csvReader.GetOutput())
array0 = vtkIntArray()
array0.SetName("Array 0")
array0.SetNumberOfComponents(1)
array0.SetNumberOfTuples(10)
for idArray in range(0,10):
array0.SetTuple1(idArray, idArray+1)
modifiedTable.GetFieldData().AddArray(array0)
array1 = vtkIntArray()
array1.SetName("Array 1")
array1.SetNumberOfComponents(3)
array1.SetNumberOfTuples(10)
for idArray in range(0,10):
array1.SetTuple3(idArray, idArray+1, idArray+2, idArray+3)
modifiedTable.GetFieldData().AddArray(array1)
array2 = vtkDoubleArray()
array2.SetName("Array 2")
array2.SetNumberOfComponents(1)
array2.SetNumberOfTuples(10)
for idArray in range(0,10):
array2.SetTuple1(idArray, idArray+1.5)
modifiedTable.GetFieldData().AddArray(array2)
array3 = vtkFloatArray()
array3.SetName("Array 3")
array3.SetNumberOfComponents(3)
array3.SetNumberOfTuples(10)
for idArray in range(0,10):
array3.SetTuple3(idArray, idArray+1.5, idArray+2.5, idArray+3.5)
modifiedTable.GetFieldData().AddArray(array3)
xmlTableWriter = vtkXMLTableWriter()
xmlTableWriter.SetFileName(file2)
xmlTableWriter.SetDataModeToAppended()
xmlTableWriter.SetInputData(modifiedTable)
xmlTableWriter.Write()
# read the ASCII version
reader = vtkXMLTableReader()
reader.SetFileName(file0)
reader.Update()
reference = vtkTable()
reference.DeepCopy(csvReader.GetOutput())
# Test the first table
table = vtkTable()
table.DeepCopy(reader.GetOutput())
# Checks the table dimensions
if table.GetNumberOfColumns() != reference.GetNumberOfColumns():
sys.stderr.write("Wrong number of columns. Expected "
+ str(reference.GetNumberOfColumns()) + " got "
+ str(table.GetNumberOfColumns()))
sys.exit(1)
if table.GetNumberOfRows() != reference.GetNumberOfRows():
sys.stderr.write("Wrong number of rows. Expected "
+ str(reference.GetNumberOfRows()) + " got "
+ str(table.GetNumberOfRows()))
sys.exit(1)
# Tests the rows' headers
for idColumn in range(0, reference.GetNumberOfColumns()):
if table.GetColumnName(idColumn) != reference.GetColumnName(idColumn):
sys.stderr.write("Wrong column header name. Expected "
+ reference.GetColumnName(idColumn) + " got "
+ table.GetColumnName(idColumn))
sys.exit(1)
# Test the rows values
for idRow in range(0, reference.GetNumberOfRows()):
for idColumn in range(0, reference.GetNumberOfColumns()):
currentValue = table.GetValue(idRow, idColumn);
referenceValue = reference.GetValue(idRow, idColumn);
if currentValue != referenceValue:
sys.stderr.write("Wrong value at (" + str(idRow) + ", " + str(idColumn)
+ "). Expected" + str(referenceValue) + " got " + str(currentValue))
sys.exit(1)
# Test the second table
reader.SetFileName(file1)
reader.Update()
table.DeepCopy(reader.GetOutput())
# Checks the table dimensions
if table.GetNumberOfColumns() != reference.GetNumberOfColumns():
sys.stderr.write("Wrong number of columns. Expected "
+ str(reference.GetNumberOfColumns()) + " got "
+ str(table.GetNumberOfColumns()))
sys.exit(1)
# There should be 2 more times rows than the reference table
if table.GetNumberOfRows() != reference.GetNumberOfRows():
sys.stderr.write("Wrong number of rows. Expected "
+ str(reference.GetNumberOfRows()) + " got "
+ str(table.GetNumberOfRows()))
sys.exit(1)
# Tests the rows' headers
for idColumn in range(0, reference.GetNumberOfColumns()):
if table.GetColumnName(idColumn) != reference.GetColumnName(idColumn):
sys.stderr.write("Wrong column header name. Expected "
+ reference.GetColumnName(idColumn) + " got "
+ table.GetColumnName(idColumn))
sys.exit(1)
# Test the third table
reader.SetFileName(file2)
reader.Update()
table.DeepCopy(reader.GetOutput())
fieldData = table.GetFieldData()
referenceArrays = [array0, array1, array2, array3]
# Check the number of associated arrays
if fieldData.GetNumberOfArrays() != 4:
sys.stderr.write("Wrong number of arrays in the table FieldData. Expected 2 got "
+str(fieldData.GetNumberOfArrays()))
sys.exit(1)
# For each array...
for idArray in range(0, 4):
currentArray = fieldData.GetArray(idArray)
referenceArray = referenceArrays[idArray]
# Check the name
if currentArray.GetName() != referenceArray.GetName():
sys.stderr.write("Wrong number of components for array " + str(idArray) + ". Expected"
+ referenceArray.GetName() + " got " + currentArray.GetName())
sys.exit(1)
# Check the number of components
if currentArray.GetNumberOfComponents() != referenceArray.GetNumberOfComponents():
sys.stderr.write("Wrong number of components for array " + str(idArray) + ". Expected"
+ str(referenceArray.GetNumberOfComponents()) + " got "
+ str(currentArray.GetNumberOfComponents()))
sys.exit(1)
# Check the number of tuples
if currentArray.GetNumberOfTuples() != referenceArray.GetNumberOfTuples():
sys.stderr.write("Wrong number of tuples for array " + str(idArray) + ". Expected"
+ str(referenceArray.GetNumberOfTuples()) + " got "
+ str(currentArray.GetNumberOfTuples()))
sys.exit(1)
# Check the values
for idTuple in range(0, referenceArray.GetNumberOfTuples()):
currentTuple = currentArray.GetTuple(idTuple)
referenceTuple = referenceArray.GetTuple(idTuple)
for idComp in range(0, referenceArray.GetNumberOfComponents()):
if currentTuple[idComp] != referenceTuple[idComp]:
sys.stderr.write("Wrong tuple value for tuple " + str(idTuple) + " at component "
+ str(idComp) + " of array " + referenceArray.GetName() + ". Expected "
+ str(referenceTuple[idComp]) + " got " + str(currentTuple[idComp]))
sys.exit(1)
os.remove(file0)
os.remove(file1)
os.remove(file2)
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