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Merge pull request #465 from DLR-AMR/vtk_polydata_reader
Add vtk_poly_data_reader [vtk_to_cmesh 4/6]
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src/t8_cmesh/t8_cmesh_vtk_to_t8/t8_cmesh_vtk_polydata.cxx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| /* | ||
| This file is part of t8code. | ||
| t8code is a C library to manage a collection (a forest) of multiple | ||
| connected adaptive space-trees of general element classes in parallel. | ||
| Copyright (C) 2015 the developers | ||
| t8code is free software; you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation; either version 2 of the License, or | ||
| (at your option) any later version. | ||
| t8code 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 General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with t8code; if not, write to the Free Software Foundation, Inc., | ||
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
| */ | ||
|
|
||
| #include <t8_cmesh/t8_cmesh_vtk_to_t8/t8_cmesh_vtk_polydata.hxx> | ||
| #if T8_WITH_VTK | ||
| #include <vtkPolyData.h> | ||
| #include <vtkBYUReader.h> | ||
| #include <vtkOBJReader.h> | ||
| #include <vtkPLYReader.h> | ||
| #include <vtkPolyDataReader.h> | ||
| #include <vtkSTLReader.h> | ||
| #include <vtkXMLPolyDataReader.h> | ||
|
|
||
| int | ||
| t8_read_poly (const char *filename, vtkSmartPointer < vtkPolyData > grid) | ||
| { | ||
| char tmp[BUFSIZ]; | ||
| char *extension; | ||
| /* Get the file-extension to decide which reader to use. */ | ||
| strcpy (tmp, filename); | ||
| extension = strrchr (tmp, '.') + 1; | ||
| T8_ASSERT (strcmp (extension, "")); | ||
|
|
||
| /* Check if we can open the file. */ | ||
| FILE *first_check; | ||
| first_check = fopen (filename, "r"); | ||
| if (first_check == NULL) { | ||
| t8_errorf ("Can not find the file %s\n", filename); | ||
| fclose (first_check); | ||
| return 1; | ||
| } | ||
| fclose (first_check); | ||
|
|
||
| /* Read the file depending on the extension. Not all readers have | ||
| * a built-in check if the file is readable. */ | ||
| if (strcmp (extension, "ply") == 0) { | ||
| vtkNew < vtkPLYReader > reader; | ||
| reader->SetFileName (filename); | ||
| reader->Update (); | ||
| grid->ShallowCopy (reader->GetOutput ()); | ||
| return 0; | ||
| } | ||
| else if (strcmp (extension, "vtp") == 0) { | ||
| vtkNew < vtkXMLPolyDataReader > reader; | ||
| reader->SetFileName (filename); | ||
| if (!reader->CanReadFile (filename)) { | ||
| t8_errorf ("Unable to read file %s.\n", filename); | ||
| return 1; | ||
| } | ||
| reader->Update (); | ||
| grid->ShallowCopy (reader->GetOutput ()); | ||
| return 0; | ||
| } | ||
| else if (strcmp (extension, "obj") == 0) { | ||
| vtkNew < vtkOBJReader > reader; | ||
| reader->SetFileName (filename); | ||
| reader->Update (); | ||
| grid->ShallowCopy (reader->GetOutput ()); | ||
| return 0; | ||
| } | ||
| else if (strcmp (extension, "stl") == 0) { | ||
| vtkNew < vtkSTLReader > reader; | ||
| reader->SetFileName (filename); | ||
| reader->Update (); | ||
| grid->ShallowCopy (reader->GetOutput ()); | ||
| return 0; | ||
| } | ||
| else if (strcmp (extension, "vtk") == 0) { | ||
| vtkNew < vtkPolyDataReader > reader; | ||
| reader->SetFileName (filename); | ||
| reader->Update (); | ||
| if (!reader->IsFilePolyData ()) { | ||
| t8_errorf | ||
| ("File-content is not polydata. If it is a vtkUnstructuredGrid use the unstructured Grid reader."); | ||
| return 1; | ||
| } | ||
| grid->ShallowCopy (reader->GetOutput ()); | ||
| return 0; | ||
| } | ||
| else if (strcmp (extension, "g") == 0) { | ||
| vtkNew < vtkBYUReader > reader; | ||
| reader->SetGeometryFileName (filename); | ||
| reader->Update (); | ||
| grid->ShallowCopy (reader->GetOutput ()); | ||
| return 0; | ||
| } | ||
| else { | ||
| /* Return NULL if the reader is not used correctly. */ | ||
| t8_global_errorf | ||
| ("Please use .ply, .vtp, .obj, .stl, .vtk or .g file %s\n", filename); | ||
| return 1; | ||
| } | ||
| } | ||
| #endif /* T8_WITH_VTK */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| /* | ||
| This file is part of t8code. | ||
| t8code is a C library to manage a collection (a forest) of multiple | ||
| connected adaptive space-trees of general element classes in parallel. | ||
| Copyright (C) 2015 the developers | ||
| t8code is free software; you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation; either version 2 of the License, or | ||
| (at your option) any later version. | ||
| t8code 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 General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with t8code; if not, write to the Free Software Foundation, Inc., | ||
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
| */ | ||
|
|
||
| /** | ||
| * This file contains all helper functions to translate vtk-polydata. | ||
| * | ||
| */ | ||
|
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| #ifndef T8_CMESH_VTK_POLYDATA | ||
| #define T8_CMESH_VTK_POLYDATA | ||
|
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| #include <t8.h> | ||
| #if T8_WITH_VTK | ||
| #include <vtkPolyData.h> | ||
| #include <vtkSmartPointer.h> | ||
| #include <vtkCellData.h> | ||
| #include <vtkDataSet.h> | ||
|
|
||
| /** | ||
| * Given a filename to a file containing Polydata, read | ||
| * the file using the vtk-library. | ||
| * | ||
| * \param[in] filename The name of the file | ||
| * \param[in, out] grid On input a vtkSmartPointer, that will hold the grid described in | ||
| * \a filename. | ||
| * \return 0 if the file was read successfully, non-zero otherwise. | ||
| * | ||
| */ | ||
| int t8_read_poly (const char *filename, | ||
| vtkSmartPointer < vtkPolyData > grid); | ||
|
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| #endif /* T8_WITH_VTK */ | ||
|
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| #endif /* T8_CMESH_VTK_POLYDATA */ |