void MainWindow::LoadDirectory() {
QSettings settings;
QString strLastDir = settings.value("Folders/LoadDirectory", ".").toString();
QString directoryName =
QFileDialog::getExistingDirectory(this, "Load Dataset from Directory",
strLastDir);
if (!directoryName.isEmpty()) {
settings.setValue("Folders/LoadDirectory", directoryName);
PleaseWaitDialog pleaseWait(this);
pleaseWait.SetText("Scanning directory for files, please wait ...");
pleaseWait.AttachLabel(&m_MasterController);
BrowseData browseDataDialog(m_MasterController, (QDialog*)&pleaseWait, directoryName, this);
if (browseDataDialog.DataFound()) {
if (browseDataDialog.exec() == QDialog::Accepted) {
QFileDialog::Options options;
#ifdef DETECTED_OS_APPLE
options |= QFileDialog::DontUseNativeDialog;
#endif
QString selectedFilter;
QString targetFilename = GetConvFilename(directoryName);
if (targetFilename.isEmpty()) return;
pleaseWait.SetText("Converting, please wait ...");
// label was detached when the dialog was closed by BrowseData
pleaseWait.AttachLabel(&m_MasterController);
shared_ptr<LuaScripting> ss(m_MasterController.LuaScript());
if (!ss->cexecRet<bool>("tuvok.io.convertDatasetWithStack",
browseDataDialog.GetStackInfo(),
targetFilename.toStdString(),
m_strTempDir, false)) {
QString strText =
tr("Unable to convert file stack from directory "
"%1 into %2.").arg(directoryName).arg(targetFilename);
ShowCriticalDialog("Conversion Error", strText);
T_ERROR("%s", strText.toStdString().c_str());
}
pleaseWait.DetachLabel();
RenderWindow *renderWin = CreateNewRenderWindow(targetFilename);
if(NULL == renderWin || !renderWin->IsRenderSubsysOK()) {
ShowCriticalDialog("Renderer Error",
"Unable to open the converted data set, "
"please check the error log for details "
"(Menu -> \"Help\" -> \"Debug Window\").");
T_ERROR("Unable to open dataset, please check previous error msgs.");
delete renderWin;
return;
}
renderWin->GetQtWidget()->show();
RenderWindowActive(renderWin);
AddFileToMRUList(targetFilename);
}
} else {
QString msg =
tr("Error no valid files in directory %1 found.").arg(directoryName);
ShowInformationDialog( tr("Problem"), msg);
}
}
}
bool MainWindow::LoadDatasetInternal(QStringList files, QString targetFilename,
bool bNoUserInteraction)
{
if(files.empty()) {
T_ERROR("No files!");
return false;
}
PleaseWaitDialog pleaseWait(this);
pleaseWait.SetText("Loading dataset, please wait ...");
pleaseWait.AttachLabel(&m_MasterController);
// First check to make sure the list of files we've been given makes sense.
for(QStringList::const_iterator fn = files.begin();
fn != files.end(); ++fn) {
if(fn->isEmpty()) {
T_ERROR("Empty filelist");
return false;
}
if(!SysTools::FileExists(std::string(fn->toAscii()))) {
QString strText = tr("File %1 not found.").arg(*fn);
T_ERROR("%s", strText.toStdString().c_str());
if(!bNoUserInteraction) {
ShowCriticalDialog( "Load Error", strText);
}
return false;
}
}
// now determine if we've been given a UVF, and can just open it and be done,
// or if we need to convert the files.
// If we were given multiple files, we don't need to do any work; we *know*
// that needs to be converted.
shared_ptr<LuaScripting> ss(m_MasterController.LuaScript());
bool needs_conversion = true;
if(files.size() == 1) {
// check to see if we need to convert this file to a supported format.
if(!ss->cexecRet<bool>("tuvok.io.needsConversion",files[0].toStdString())) {
needs_conversion = false;
// It might also be the case that the checksum is bad && we need to
// report an error, but we don't bother with the checksum if they've
// asked us not to in the preferences.
if(!m_bQuickopen &&
false == ss->cexecRet<bool>("tuvok.io.verify", files[0].toStdString()))
{
QString strText = tr("File %1 appears to be a broken UVF file: "
"the header looks ok, "
"but the checksum does not match.").arg(files[0]);
T_ERROR("%s", strText.toStdString().c_str());
if (!bNoUserInteraction) {
ShowCriticalDialog("Load Error", strText);
}
return false;
}
}
}
QString filename = files[0];
if(needs_conversion) {
if (!bNoUserInteraction && targetFilename.isEmpty()) {
targetFilename = GetConvFilename(files[0]);
}
if (targetFilename.isEmpty()) {
T_ERROR("User interaction disabled but no targetFilename given");
return false;
}
std::list<std::string> stdfiles;
for(QStringList::const_iterator fn = files.begin();
fn != files.end(); ++fn) {
stdfiles.push_back(std::string(fn->toAscii()));
}
PleaseWaitDialog pleaseWait(this);
pleaseWait.SetText("Converting, please wait ...");
pleaseWait.AttachLabel(&m_MasterController);
try {
ss->cexec("tuvok.io.convertDataset", stdfiles,
std::string(targetFilename.toAscii()), m_strTempDir,
bNoUserInteraction, false);
filename = targetFilename;
} catch(const tuvok::io::IOException& e) {
// create a (hopefully) useful error message
std::ostringstream error;
error << "Unable to convert ";
std::copy(stdfiles.begin(), stdfiles.end(),
std::ostream_iterator<std::string>(error, ", "));
error << " into " << std::string(targetFilename.toAscii())
<< ": " << e.what();
T_ERROR("%s", error.str().c_str());
if(!bNoUserInteraction) {
ShowCriticalDialog("Conversion Error", QString(error.str().c_str()));
}
// now close that dialog and bail.
pleaseWait.close();
return false;
}
pleaseWait.close();
}
RenderWindow *renderWin = NULL;
try {
renderWin = CreateNewRenderWindow(filename);
if(renderWin == NULL) {
T_ERROR("Renderwindow creation failed. Bailing...");
return false;
}
renderWin->GetQtWidget()->show(); // calls RenderWindowActive automatically
UpdateMenus();
AddFileToMRUList(filename);
} catch(tuvok::io::DSBricksOversized&) {
WARNING("Bricks are too large. Querying the user to see if we should "
"rebrick the dataset.");
if(renderWin) { delete renderWin; renderWin = NULL; }
if(bNoUserInteraction) {
T_ERROR("Dataset needs rebricking but ImageVis3D is not running interactively.");
return false;
}
if(QMessageBox::Yes ==
QMessageBox::question(NULL, "Rebricking required",
"The bricking scheme in this dataset is not compatible with "
"your current brick size settings. Do you want to convert this "
"dataset so that it can be loaded? Note that this operation can "
"take as long as originally converting the data took!",
QMessageBox::Yes, QMessageBox::No)) {
// m_bIgnoreLoadDatasetFailure is an ugly hack, but I can't see any other
// *good* options.
//
// An alternative to m_bIgnoreLoadDatasetFailure is to throw a custom
// exception which would include bNoUserInteraction's value, and catch
// the exception in MainWindow::LoadDataset(std::string strFilename).
// (and MainWindow::LoadDataset(), and MainWindow::OpenRecentFile).
// We would perform the rebricking upon catching the exception.
// This method seemed equally hacky so I opted for the smallest code
// footprint and inserted this boolean flag.
//
// Also, we can use the flag when the user specifies 'no' on the dialog.
// It doesn't make much sense to tell the user that we failed to
// load the RenderWindow because they told us to not load it =P.
//
// The problem: if we reach here, we were in the process of creating
// a series of Lua classes to support a render window. Since we are no
// longer creating a viable render window (renderWin was deleted, and
// RebrickDataset is creating a new render window), lua needs to be
// notified and clean up any supporting classes.
//
// The only way to notify Lua is to do 1 of 2 things:
// 1) Return false from this function (behaving as if the requested
// dataset failed to load -- which it did).
// 2) Or throw an exception and let lua capture and rethrow it.
//
// I opted for #1.
RebrickDataset(filename, targetFilename, bNoUserInteraction);
m_bIgnoreLoadDatasetFailure = true;
return false;
} else {
m_bIgnoreLoadDatasetFailure = true;
return false;
}
}
if (renderWin) RenderWindowActive(renderWin);
if (CheckForMeshCapabilities(bNoUserInteraction, files)) return true;
if(renderWin) {
LuaClassInstance ds = renderWin->GetRendererDataset();
shared_ptr<LuaScripting> ss = m_MasterController.LuaScript();
UINT64VECTOR3 dom_sz = ss->cexecRet<UINT64VECTOR3>(ds.fqName() +
".getDomainSize",
size_t(0),
size_t(0));
// Disable lighting for 2D datasets (images).
if(dom_sz[2] == 1) {
checkBox_Lighting->setChecked(false);
checkBox_Lighting->setEnabled(false);
SetLighting(false);
}
}
return true;
}