示例#1
0
QvisDatabaseCorrelationWindow::QvisDatabaseCorrelationWindow(
    const QString &correlationName, const QString &caption) :
    QvisWindowBase(caption), createMode(true)
{
    DatabaseCorrelation emptyCorrelation;
    emptyCorrelation.SetName(correlationName.toStdString());
    CreateWidgets(emptyCorrelation);
}
void
DatabaseCorrelationList::SetFromNode(DataNode *parentNode)
{
    if(parentNode == 0)
        return;

    DataNode *searchNode = parentNode->GetNode("DatabaseCorrelationList");
    if(searchNode == 0)
        return;

    DataNode *node;
    DataNode **children;

    // Clear all the DatabaseCorrelations if we got any.
    bool clearedCorrelations = false;
    // Go through all of the children and construct a new
    // DatabaseCorrelation for each one of them.
    children = searchNode->GetChildren();
    if(children != 0)
    {
        for(int i = 0; i < searchNode->GetNumChildren(); ++i)
        {
            if(children[i]->GetKey() == std::string("DatabaseCorrelation"))
            {
                if (!clearedCorrelations)
                {
                    ClearCorrelations();
                    clearedCorrelations = true;
                }
                DatabaseCorrelation temp;
                temp.SetFromNode(children[i]);
                AddCorrelations(temp);
            }
        }
    }

    if((node = searchNode->GetNode("needPermission")) != 0)
        SetNeedPermission(node->AsBool());
    if((node = searchNode->GetNode("defaultCorrelationMethod")) != 0)
        SetDefaultCorrelationMethod(node->AsInt());
    if((node = searchNode->GetNode("whenToCorrelate")) != 0)
    {
        // Allow enums to be int or string in the config file
        if(node->GetNodeType() == INT_NODE)
        {
            int ival = node->AsInt();
            if(ival >= 0 && ival < 3)
                SetWhenToCorrelate(WhenToCorrelate(ival));
        }
        else if(node->GetNodeType() == STRING_NODE)
        {
            WhenToCorrelate value;
            if(WhenToCorrelate_FromString(node->AsString(), value))
                SetWhenToCorrelate(value);
        }
    }
}
void
ViewerDatabaseCorrelationMethods::CreateNode(DataNode *parentNode, 
    const std::map<std::string, std::string> &dbToSource, bool detailed)
{
    // Create a copy of the database correlation list.
    DatabaseCorrelationList dbcl(*GetViewerState()->GetDatabaseCorrelationList());
    dbcl.ClearCorrelations();
    for(int i = 0; 
        i < GetViewerState()->GetDatabaseCorrelationList()->GetNumCorrelations(); ++i)
    {
        const DatabaseCorrelation &corr = 
            GetViewerState()->GetDatabaseCorrelationList()->GetCorrelations(i);
        // Let's only save out correlations that have more than 1 db.
        if(corr.GetNumDatabases() > 1)
        {
            // Map database names to source names.
            const stringVector &dbNames = corr.GetDatabaseNames();
            stringVector sourceIds;
            for(size_t j = 0; j < dbNames.size(); ++j)
            {
                std::map<std::string, std::string>::const_iterator pos =
                    dbToSource.find(dbNames[j]);
                if(pos == dbToSource.end())
                    sourceIds.push_back(dbNames[j]);
                else
                    sourceIds.push_back(pos->second);
            }

            // Create a copy of the correlation but override its database
            // names with source ids. Also, note that we're not using a
            // copy constructor because we want most of the correlation
            // information to be absent so we can repopulate it on session read
            // in case a new database is chosen.
            DatabaseCorrelation modCorr;                       
            if(corr.GetMethod() != DatabaseCorrelation::UserDefinedCorrelation)
            {
                modCorr.SetName(corr.GetName());
                modCorr.SetNumStates(corr.GetNumStates());
                modCorr.SetMethod(corr.GetMethod());
            }
            else
            {
               // A user-defined correlation should be saved mostly as-is.
               modCorr = corr;
            }
            modCorr.SetDatabaseNames(sourceIds);

            // Add the modified correlation to the list.
            dbcl.AddCorrelations(modCorr);
        }
    }

    // Add the database correlation list information to the session.
    dbcl.CreateNode(parentNode, detailed, false);
}
void
ViewerDatabaseCorrelationMethods::UpdateDatabaseCorrelation(const std::string &cName)
{
    DatabaseCorrelation *c = GetViewerState()->GetDatabaseCorrelationList()->FindCorrelation(cName);
    if(c != 0)
    {
        DatabaseCorrelation *replacementCorrelation = CreateDatabaseCorrelation(
            c->GetName(), c->GetDatabaseNames(), (int)c->GetMethod());
        if(replacementCorrelation != 0)
        {
            // Copy over the old database correlation.
            *c = *replacementCorrelation;
        }
    }
}
DatabaseCorrelation *
DatabaseCorrelationList::FindCorrelation(const std::string &name) const
{
    DatabaseCorrelation *retval = 0;

    for(size_t i = 0; i < correlations.size(); ++i)
    {
        DatabaseCorrelation *c = (DatabaseCorrelation *)correlations[i];
        if(name == c->GetName())
        {
            retval = c;
            break;
        } 
    }

    return retval;
}
DatabaseCorrelation *
ViewerDatabaseCorrelationMethods::CreateDatabaseCorrelation(const std::string &name,
    const stringVector &dbs, int method, int nStates)
{
    if(dbs.size() < 1)
    {
        GetViewerMessaging()->Error(
            TR("VisIt cannot create a database correlation that does "
               "not use any databases."));
        return 0;
    }

    //
    // Create a new correlation and set its basic attributes.
    //
    DatabaseCorrelation *correlation = new DatabaseCorrelation;
    correlation->SetName(name);
    DatabaseCorrelation::CorrelationMethod m =
        (DatabaseCorrelation::CorrelationMethod)method;
    correlation->SetMethod(m);
    if(nStates != -1 &&
       (m == DatabaseCorrelation::IndexForIndexCorrelation ||
        m == DatabaseCorrelation::StretchedIndexCorrelation))
    {
        correlation->SetNumStates(nStates);
    }

    // Add the different databases to the correlation.
    for(size_t i = 0; i < dbs.size(); ++i)
    {
        //
        // Split the database name into host and database components
        // and expand it too.
        //
        std::string host, db;
        std::string correlationDB(dbs[i]);
        GetViewerFileServer()->ExpandDatabaseName(correlationDB, host, db);

        //
        // Get the metadata for the database.
        //
        const avtDatabaseMetaData *md = GetViewerFileServer()->GetMetaData(host, db);

        //
        // We might need to re-acqure metadata if we are doing
        // time or cycle correlations and times or cycles are not
        // all accurate and valid
        //
        if(md)
        {
            const bool forceReadAllCyclesAndTimes = true;

            if ((m == DatabaseCorrelation::TimeCorrelation &&
                 md->AreAllTimesAccurateAndValid() == false) ||
                (m == DatabaseCorrelation::CycleCorrelation &&
                 md->AreAllCyclesAccurateAndValid() == false))
            {
                md = GetViewerFileServer()->GetMetaData(host, db, forceReadAllCyclesAndTimes);
            }
        }

        if(md)
        {
            //
            // Issue warning messages if we're doing time or cycle
            // correlations and the metadata cannot be trusted.
            //
            if(m == DatabaseCorrelation::TimeCorrelation)
            {
                bool accurate = true;
                for(int j = 0; j < md->GetNumStates() && accurate; ++j)
                    accurate &= md->IsTimeAccurate(j);

                if(!accurate)
                {
                    GetViewerMessaging()->Warning(
                        TR("The times for %1 may not be accurate so the new "
                           "correlation %2 might not work as expected.").
                          arg(correlationDB).
                          arg(name));
                }
            }
            else if(m == DatabaseCorrelation::CycleCorrelation)
            {
                bool accurate = true;
                for(int j = 0; j < md->GetNumStates() && accurate; ++j)
                    accurate &= md->IsCycleAccurate(j);

                if(!accurate)
                {
                    GetViewerMessaging()->Warning(
                        TR("The cycles for %1 may not be accurate so the new "
                           "correlation %2 might not work as expected.").
                        arg(correlationDB).
                        arg(name));
                }
            }

            //
            // Add the database to the new correlation.
            //
            correlation->AddDatabase(correlationDB, md->GetNumStates(),
                md->GetTimes(), md->GetCycles()); 
        }
        else
        {
            delete correlation; correlation = 0;
            GetViewerMessaging()->Error(
                TR("VisIt could not retrieve metadata for %1 so the "
                   "correlation %2 could not be created.").
                  arg(correlationDB).
                  arg(name));
            break;
        }
    }

    return correlation;
}
示例#7
0
void
QvisDatabaseCorrelationWindow::CreateWidgets(
    const DatabaseCorrelation &correlation)
{
    QWidget *central = new QWidget(this);
    setCentralWidget(central);

    QVBoxLayout *topLayout = new QVBoxLayout(central);
    topLayout->setMargin(10);
    topLayout->setSpacing(5);

    // Create the name line edit.
    QGridLayout *gLayout = new QGridLayout();
    topLayout->addLayout(gLayout);
    correlationNameLineEdit = new QLineEdit(central);
    correlationNameLineEdit->setText(correlation.GetName().c_str());
    correlationNameLineEdit->setEnabled(createMode);
    QLabel *nameLabel = new QLabel(tr("Name"), central);
    nameLabel->setEnabled(createMode);
    gLayout->addWidget(nameLabel, 0, 0);
    gLayout->addWidget(correlationNameLineEdit, 0, 1);

    // Create the correlation method combobox.
    correlationMethodComboBox = new QComboBox(central);
    correlationMethodComboBox->addItem(tr("Padded index"));
    correlationMethodComboBox->addItem(tr("Stretched index"));
    correlationMethodComboBox->addItem(tr("Time"));
    correlationMethodComboBox->addItem(tr("Cycle"));
    int method = (int)correlation.GetMethod();
    correlationMethodComboBox->setCurrentIndex(method);
    gLayout->addWidget(correlationMethodComboBox, 1, 1);
    gLayout->addWidget(new QLabel(tr("Correlation method"), central), 1, 0);
    topLayout->addSpacing(10);

    // Create the widgets that let us add sources to the database correlation.
    QGridLayout *srcLayout = new QGridLayout();
    topLayout->addLayout(srcLayout);
    srcLayout->setSpacing(5);
    const int S[] = {1, 5, 1, 1, 5};
    int i;
    for(i = 0; i < 5; ++i)
        srcLayout->setRowStretch(i, S[i]);
    srcLayout->addWidget(new QLabel(tr("Sources"), central), 0, 0);
    srcLayout->addWidget(new QLabel(tr("Correlated sources"), central), 0, 2);

    //
    // Simplify the source names.
    //
    NameSimplifier simplifier;
    const stringVector &sources = GetViewerState()->GetGlobalAttributes()->GetSources();
    for(i = 0; i < sources.size(); ++i)
        simplifier.AddName(sources[i]);
    stringVector shortSources;
    simplifier.GetSimplifiedNames(shortSources);
    std::map<std::string, std::string> shortToLong, longToShort;
    for(i = 0; i < sources.size(); ++i)
    {
        shortToLong[shortSources[i]] = sources[i];
        longToShort[sources[i]] = shortSources[i];
    }

    // Create and populate the list of sources.
    sourcesListBox = new QListWidget(central);
    sourcesListBox->setSelectionMode(QAbstractItemView::MultiSelection);
    for(i = 0; i < sources.size(); ++i)
    {
        if(!correlation.UsesDatabase(sources[i]))
            sourcesListBox->addItem(shortSources[i].c_str());
    }
    if(sources.size() > 0)
        sourcesListBox->setCurrentItem(0);
    connect(sourcesListBox, SIGNAL(currentRowChanged(int)),
            this, SLOT(setAddButtonEnabled(int)));
    srcLayout->addWidget(sourcesListBox, 1, 0, 5, 1);

    // Create and populate the list of correlated sources.
    correlatedSourcesListBox = new QListWidget(central);
    correlatedSourcesListBox->setSelectionMode(QAbstractItemView::MultiSelection);
    const stringVector &dbs = correlation.GetDatabaseNames();
    for(i = 0; i < correlation.GetNumDatabases(); ++i)
        correlatedSourcesListBox->addItem(longToShort[dbs[i]].c_str());
    if(dbs.size() > 0)
        correlatedSourcesListBox->setCurrentRow(0);
    connect(correlatedSourcesListBox, SIGNAL(currentRowChanged(int)),
            this, SLOT(setRemoveButtonEnabled(int)));
    srcLayout->addWidget(correlatedSourcesListBox, 1, 2, 5, 1);

    // Create the add and remove buttons.
    addButton = new QPushButton("-->", central);
    connect(addButton, SIGNAL(clicked()),
            this, SLOT(addSources()));
    srcLayout->addWidget(addButton, 2, 1);

    removeButton = new QPushButton("<--", central);
    connect(removeButton, SIGNAL(clicked()),
            this, SLOT(removeSources()));
    srcLayout->addWidget(removeButton, 3, 1);

    UpdateAddRemoveButtonsEnabledState();

    // Add the action and cancel buttons.
    //topLayout->addSpacing(10);
    QHBoxLayout *actionButtonLayout = new QHBoxLayout();
    topLayout->addLayout(actionButtonLayout);
    QPushButton *actionButton = new QPushButton(
        createMode?tr("Create database correlation") : tr("Alter database correlation"), central);
    connect(actionButton, SIGNAL(clicked()),
            this, SLOT(actionClicked()));
    actionButtonLayout->addWidget(actionButton);
    actionButtonLayout->addStretch(10);
    QPushButton *cancelButton = new QPushButton(tr("Cancel"), central);
    connect(cancelButton, SIGNAL(clicked()),
            this, SLOT(cancelClicked()));
    actionButtonLayout->addWidget(cancelButton);
}