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/*=========================================================================
Program: ParaView
Module: vtkSMArrayRangeDomain.cxx
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkSMArrayRangeDomain.h"
#include "vtkDataObject.h"
#include "vtkObjectFactory.h"
#include "vtkPVArrayInformation.h"
#include "vtkPVDataInformation.h"
#include "vtkSMArrayListDomain.h"
#include "vtkSMSourceProxy.h"
#include "vtkSMUncheckedPropertyHelper.h"
vtkStandardNewMacro(vtkSMArrayRangeDomain);
//---------------------------------------------------------------------------
vtkSMArrayRangeDomain::vtkSMArrayRangeDomain()
{
}
//---------------------------------------------------------------------------
vtkSMArrayRangeDomain::~vtkSMArrayRangeDomain()
{
}
//---------------------------------------------------------------------------
void vtkSMArrayRangeDomain::Update(vtkSMProperty*)
{
// Find the array whose range we are interested in and then find the producer
// who is producing the data with the array of interest.
vtkSMProperty* propForInput = this->GetRequiredProperty("Input");
vtkSMProperty* propForArraySelection =
this->GetRequiredProperty("ArraySelection");
if (!propForInput || !propForArraySelection)
{
return;
}
vtkSMUncheckedPropertyHelper inputHelper(propForInput);
vtkSMUncheckedPropertyHelper arraySelectionHelper(propForArraySelection);
if (arraySelectionHelper.GetNumberOfElements() < 5)
{
return;
}
const char* arrayName = arraySelectionHelper.GetAsString(4);
if (!arrayName || arrayName[0] == '\0')
{
return;
}
if (vtkSMSourceProxy::SafeDownCast(inputHelper.GetAsProxy()) != NULL)
{
this->Update(arrayName, arraySelectionHelper.GetAsInt(3),
vtkSMSourceProxy::SafeDownCast(inputHelper.GetAsProxy()),
inputHelper.GetOutputPort());
}
}
//---------------------------------------------------------------------------
void vtkSMArrayRangeDomain::Update(
const char* arrayName, int fieldAssociation,
vtkSMSourceProxy* producer, int producerPort)
{
assert(producer != NULL && arrayName != NULL);
// Make sure the outputs are created.
producer->CreateOutputPorts();
vtkPVDataInformation* info = producer->GetDataInformation(producerPort);
if (!info)
{
return;
}
vtkPVArrayInformation* arrayInfo = info->GetArrayInformation(
arrayName, fieldAssociation);
int component_number = VTK_INT_MAX;
if (arrayInfo == NULL &&
(fieldAssociation == vtkDataObject::POINT ||
fieldAssociation == vtkDataObject::CELL))
{
// it's possible that the array name was mangled due to "auto-conversion" of
// field arrays.
// first try to see if there's a component suffix added and hence we failed
// to locate the array information.
std::string name = vtkSMArrayListDomain::ArrayNameFromMangledName(arrayName);
arrayInfo = name.length() > 0?
info->GetArrayInformation(name.c_str(), fieldAssociation) :
NULL;
if (!arrayInfo)
{
// try the other field association.
int otherField = fieldAssociation == vtkDataObject::POINT?
vtkDataObject::CELL : vtkDataObject::POINT;
arrayInfo = info->GetArrayInformation(arrayName, otherField);
arrayInfo = arrayInfo? arrayInfo :
info->GetArrayInformation(name.c_str(), otherField);
}
// Now, extract component information. If name == arrayName, it means we
// don't have any component information in the array name itself.
if (arrayInfo && (name != arrayName))
{
int mangledCompNo = vtkSMArrayListDomain::ComponentIndexFromMangledName(
arrayInfo, arrayName);
// ComponentIndexFromMangledName returns -1 on error and num_of_component
// for magnitude. Which is not what vtkPVArrayInformation expects, to
// convert that.
if (mangledCompNo == -1)
{
return;
}
if (mangledCompNo >= arrayInfo->GetNumberOfComponents())
{
component_number = -1;
}
else
{
component_number = mangledCompNo;
}
}
}
if (!arrayInfo)
{
std::vector<vtkEntry> values;
this->SetEntries(values);
}
else if (component_number < arrayInfo->GetNumberOfComponents())
{
// a particular component was chosen, add ranges for that.
std::vector<vtkEntry> values(1);
values[0].Valid[0] = values[0].Valid[1] = true;
values[0].Value = vtkTuple<double, 2>(
arrayInfo->GetComponentRange(component_number));
this->SetEntries(values);
}
else
{
std::vector<vtkEntry> values(arrayInfo->GetNumberOfComponents());
for (int cc=0; cc <arrayInfo->GetNumberOfComponents(); cc++)
{
values[cc].Valid[0] = values[cc].Valid[1] = true;
values[cc].Value = vtkTuple<double, 2>(
arrayInfo->GetComponentRange(cc));
}
if (arrayInfo->GetNumberOfComponents() > 1)
{
// add vector magnitude.
vtkEntry entry;
entry.Valid[0] = entry.Valid[1] = true;
entry.Value = vtkTuple<double, 2>(arrayInfo->GetComponentRange(-1));
values.push_back(entry);
}
this->SetEntries(values);
}
}
//---------------------------------------------------------------------------
void vtkSMArrayRangeDomain::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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