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Diffstat (limited to 'CSXCAD/src/CSPrimPolyhedronReader.cpp')
| -rw-r--r-- | CSXCAD/src/CSPrimPolyhedronReader.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/CSXCAD/src/CSPrimPolyhedronReader.cpp b/CSXCAD/src/CSPrimPolyhedronReader.cpp new file mode 100644 index 0000000..ed224fd --- /dev/null +++ b/CSXCAD/src/CSPrimPolyhedronReader.cpp @@ -0,0 +1,177 @@ +/* +* Copyright (C) 2008-2012 Thorsten Liebig (Thorsten.Liebig@gmx.de) +* +* This program is free software: you can redistribute it and/or modify +* it under the terms of the GNU Lesser General Public License as published +* by the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public License +* along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <sstream> +#include <iostream> +#include <limits> +#include "tinyxml.h" +#include "stdint.h" + +#include <vtkSTLReader.h> +#include <vtkPLYReader.h> +#include <vtkPolyData.h> +#include <vtkCellArray.h> + +#include "CSPrimPolyhedronReader.h" +#include "CSProperties.h" +#include "CSUseful.h" + +CSPrimPolyhedronReader::CSPrimPolyhedronReader(ParameterSet* paraSet, CSProperties* prop): CSPrimPolyhedron(paraSet,prop) +{ + Type = POLYHEDRONREADER; + PrimTypeName = "PolyhedronReader"; + m_filetype = UNKNOWN; + m_filename = std::string(); +} + +CSPrimPolyhedronReader::CSPrimPolyhedronReader(CSPrimPolyhedronReader* primPHReader, CSProperties *prop) : CSPrimPolyhedron(primPHReader, prop) +{ + Type = POLYHEDRONREADER; + PrimTypeName = "PolyhedronReader"; + + m_filename = primPHReader->m_filename; + m_filetype = primPHReader->m_filetype; +} + +CSPrimPolyhedronReader::CSPrimPolyhedronReader(unsigned int ID, ParameterSet* paraSet, CSProperties* prop) : CSPrimPolyhedron(ID, paraSet, prop) +{ + Type = POLYHEDRONREADER; + PrimTypeName = "PolyhedronReader"; + m_filetype = UNKNOWN; + m_filename = std::string(); +} + +CSPrimPolyhedronReader::~CSPrimPolyhedronReader() +{ +} + +bool CSPrimPolyhedronReader::Update(std::string *ErrStr) +{ + return CSPrimPolyhedron::Update(ErrStr); +} + +bool CSPrimPolyhedronReader::Write2XML(TiXmlElement &elem, bool parameterised) +{ + elem.SetAttribute("Filename",m_filename); + + switch (m_filetype) + { + case STL_FILE: + elem.SetAttribute("FileType","STL"); + break; + case PLY_FILE: + elem.SetAttribute("FileType","PLY"); + break; + default: + elem.SetAttribute("FileType","Unkown"); + break; + } + return CSPrimitives::Write2XML(elem,parameterised); +} + +bool CSPrimPolyhedronReader::ReadFromXML(TiXmlNode &root) +{ + if (!CSPrimitives::ReadFromXML(root)) return false; + + TiXmlElement* elem=root.ToElement(); + if (elem==NULL) return false; + if (elem->QueryStringAttribute("FileName",&m_filename)!=TIXML_SUCCESS) + { + std::cerr << "CSPrimPolyhedronReader::ReadFromXML: Error, can't read filename!" << std::endl; + return false; + } + std::string type; + if (elem->QueryStringAttribute("FileType",&type)!=TIXML_SUCCESS) + { + std::cerr << "CSPrimPolyhedronReader::ReadFromXML: Error, can't read file type!" << std::endl; + return false; + } + if (type.compare("STL")==0) + m_filetype=STL_FILE; + else if (type.compare("PLY")==0) + m_filetype=PLY_FILE; + else + m_filetype=UNKNOWN; + + if (ReadFile()==false) + { + std::cerr << "CSPrimPolyhedronReader::ReadFromXML: Failed to read file." << std::endl; + return false; + } + + return BuildTree(); +} + +bool CSPrimPolyhedronReader::ReadFile() +{ + vtkPolyData *polydata = NULL; + switch (m_filetype) + { + case STL_FILE: + { + vtkSTLReader* reader = vtkSTLReader::New(); + reader->SetFileName(m_filename.c_str()); + reader->SetMerging(1); + polydata = reader->GetOutput(0); + reader->Update(); + break; + } + case PLY_FILE: + { + vtkPLYReader* reader = vtkPLYReader::New(); + reader->SetFileName(m_filename.c_str()); + polydata = reader->GetOutput(0); + reader->Update(); + break; + } + case UNKNOWN: + default: + { + std::cerr << "CSPrimPolyhedronReader::ReadFile: unknown filetype, skipping..." << std::endl; + return false; + break; + } + } + //polydata->Update(); // not availabe for vtk 6.x, now done only on reader? + if ((polydata->GetNumberOfPoints()==0) || (polydata->GetNumberOfCells()==0)) + { + std::cerr << "CSPrimPolyhedronReader::ReadFile: file invalid or empty, skipping ..." << std::endl; + return false; + } + vtkCellArray *verts = polydata->GetPolys(); + if (verts->GetNumberOfCells()==0) + { + std::cerr << "CSPrimPolyhedronReader::ReadFile: file invalid or empty, skipping ..." << std::endl; + return false; + } + + for (int n=0;n<polydata->GetNumberOfPoints();++n) + AddVertex(polydata->GetPoint(n)); + + vtkIdType numP; + vtkIdType *vertices = new vtkIdType[10]; + while (verts->GetNextCell(numP, vertices)) + { + face f; + f.numVertex=numP; + f.vertices = new int[f.numVertex]; + for (unsigned int np=0;np<f.numVertex;++np) + f.vertices[np]=vertices[np]; + AddFace(f); + } + return true; +} |