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FEM: Draft architecture of post data extraction with histogram example

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This commit is contained in:
Stefan Tröger
2025-03-31 20:11:09 +02:00
parent f92d33944b
commit 6e4fab1f50
51 changed files with 4228 additions and 14 deletions
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20
src/Mod/Fem/App/PropertyPostDataObject.cpp
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@@ -32,8 +32,11 @@
#include <vtkStructuredGrid.h>
#include <vtkUniformGrid.h>
#include <vtkUnstructuredGrid.h>
#include <vtkTable.h>
#include <vtkXMLTableWriter.h>
#include <vtkXMLDataSetWriter.h>
#include <vtkXMLMultiBlockDataWriter.h>
#include <vtkXMLTableReader.h>
#include <vtkXMLMultiBlockDataReader.h>
#include <vtkXMLImageDataReader.h>
#include <vtkXMLPolyDataReader.h>
@@ -243,6 +246,9 @@ void PropertyPostDataObject::createDataObjectByExternalType(vtkSmartPointer<vtkD
case VTK_MULTIPIECE_DATA_SET:
m_dataObject = vtkSmartPointer<vtkMultiPieceDataSet>::New();
break;
case VTK_TABLE:
m_dataObject = vtkSmartPointer<vtkTable>::New();
break;
default:
throw Base::TypeError("Unsupported VTK data type");
};
@@ -313,6 +319,9 @@ void PropertyPostDataObject::Save(Base::Writer& writer) const
case VTK_MULTIBLOCK_DATA_SET:
extension = "zip";
break;
case VTK_TABLE:
extension = ".vtt";
break;
default:
break;
};
@@ -382,13 +391,16 @@ void PropertyPostDataObject::SaveDocFile(Base::Writer& writer) const
xmlWriter = vtkSmartPointer<vtkXMLMultiBlockDataWriter>::New();
xmlWriter->SetInputDataObject(m_dataObject);
xmlWriter->SetFileName(datafile.filePath().c_str());
xmlWriter->SetDataModeToBinary();
}
else if (m_dataObject->IsA("vtkTable")) {
xmlWriter = vtkSmartPointer<vtkXMLTableWriter>::New();
xmlWriter->SetInputDataObject(m_dataObject);
xmlWriter->SetFileName(fi.filePath().c_str());
}
else {
xmlWriter = vtkSmartPointer<vtkXMLDataSetWriter>::New();
xmlWriter->SetInputDataObject(m_dataObject);
xmlWriter->SetFileName(fi.filePath().c_str());
xmlWriter->SetDataModeToBinary();
#ifdef VTK_CELL_ARRAY_V2
// Looks like an invalid data object that causes a crash with vtk9
@@ -399,6 +411,7 @@ void PropertyPostDataObject::SaveDocFile(Base::Writer& writer) const
}
#endif
}
xmlWriter->SetDataModeToBinary();
if (xmlWriter->Write() != 1) {
// Note: Do NOT throw an exception here because if the tmp. file could
@@ -481,6 +494,9 @@ void PropertyPostDataObject::RestoreDocFile(Base::Reader& reader)
else if (extension == "vti") {
xmlReader = vtkSmartPointer<vtkXMLImageDataReader>::New();
}
else if (extension == "vtt") {
xmlReader = vtkSmartPointer<vtkXMLTableReader>::New();
}
else if (extension == "zip") {
// first unzip the file into a datafolder