src/libengrid/multisolidasciistlreader.cpp

   1 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   2 // +                                                                      +
   3 // + This file is part of enGrid.                                         +
   4 // +                                                                      +
   5 // + Copyright 2008-2014 enGits GmbH                                      +
   6 // +                                                                      +
   7 // + enGrid is free software: you can redistribute it and/or modify       +
   8 // + it under the terms of the GNU General Public License as published by +
   9 // + the Free Software Foundation, either version 3 of the License, or    +
  10 // + (at your option) any later version.                                  +
  11 // +                                                                      +
  12 // + enGrid is distributed in the hope that it will be useful,            +
  13 // + but WITHOUT ANY WARRANTY; without even the implied warranty of       +
  14 // + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +
  15 // + GNU General Public License for more details.                         +
  16 // +                                                                      +
  17 // + You should have received a copy of the GNU General Public License    +
  18 // + along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +
  19 // +                                                                      +
  20 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  21
  22 #include "multisolidasciistlreader.h"
  23 #include "stlreader.h"
  24 #include "guimainwindow.h"
  25
  26 #include <QFileInfo>
  27 #include <QInputDialog>
  28 #include <QFile>
  29 #include <QTextStream>
  30
  31
  32 MultiSolidAsciiStlReader::MultiSolidAsciiStlReader()
  33 {
  34   setFormat("STL files(*.stl *.STL)");
  35 }
  36
  37 void MultiSolidAsciiStlReader::operate()
  38 {
  39   QFileInfo file_info(GuiMainWindow::pointer()->getFilename());
  40   readInputFileName(file_info.completeBaseName() + ".stl");
  41   if (isValid()) {
  42     double tol = QInputDialog::getText(NULL, "enter STL tolerance", "tolerance", QLineEdit::Normal, "1e-10").toDouble();
  43     QList<QString> buffer;
  44     QList<QString> bc_name;
  45     {
  46       QFile file(getFileName());
  47       if (!file.open(QFile::ReadOnly)) {
  48         EG_ERR_RETURN("unable to open file");
  49       }
  50       QTextStream f(&file);
  51       QString buf = "";
  52       QString name = "unknown";
  53       while (!f.atEnd()) {
  54         QString line = f.readLine();
  55         buf += line + "\n"; // endline??
  56         if (line.left(8) == "endsolid") {
  57           buffer.append(buf);
  58           buf = "";
  59           bc_name.append(name);
  60         } else if (line.left(5) == "solid") {
  61           name = line.right(line.size() - 6);
  62         }
  63       }
  64     }
  65     bool first = true;
  66     int last_bc = 1;
  67     foreach (QString buf, buffer) {
  68       QString file_name = getFileName() + ".tmp";
  69       {
  70         QFile file(file_name);
  71         if (!file.open(QFile::WriteOnly)) {
  72           EG_ERR_RETURN("unable to open file\"" + file_name + "\" for writing");
  73         }
  74         QTextStream f(&file);
  75         f << buf << endl;
  76       }
  77       StlReader stl;
  78       stl.setTolerance(tol);
  79       stl.setFileName(file_name);
  80       EG_VTKSP(vtkUnstructuredGrid, grid);
  81       stl.setGrid(grid);
  82       stl.setMaximalCleaningIterations(3);
  83       stl();
  84
  85       // @todo set boundary names
  86       EG_VTKDCC(vtkIntArray, bc, grid, "cell_code");
  87       for (vtkIdType id_cell = 0; id_cell < grid->GetNumberOfCells(); ++id_cell) {
  88         bc->SetValue(id_cell, last_bc);
  89       }
  90       ++last_bc;
  91
  92       if (first) {
  93         first = false;
  94         makeCopy(grid, m_Grid);
  95       } else {
  96         MeshPartition part1(m_Grid, true);
  97         MeshPartition part2(grid, true);
  98         part1.addPartition(part2);
  99       }
 100     }
 101
 102     last_bc = 1;
 103     GuiMainWindow::pointer()->resetXmlDoc();
 104     GuiMainWindow::pointer()->clearBCs();
 105     foreach (QString name, bc_name) {
 106       GuiMainWindow::pointer()->setBC(last_bc, BoundaryCondition(name, "patch", last_bc));
 107       ++last_bc;
 108     }
 109   }
 110 }