xref: /petsc/src/sys/classes/viewer/impls/cgns/cgnsv.c (revision 69eda9da2cab3444df2acd68fbbc2fdf1947414f)
1 #include <petsc/private/viewercgnsimpl.h> /*I "petscviewer.h" I*/
2 #if defined(PETSC_HDF5_HAVE_PARALLEL)
3   #include <pcgnslib.h>
4 #else
5   #include <cgnslib.h>
6 #endif
7 
8 static PetscErrorCode PetscViewerSetFromOptions_CGNS(PetscViewer v, PetscOptionItems *PetscOptionsObject)
9 {
10   PetscFunctionBegin;
11   PetscOptionsHeadBegin(PetscOptionsObject, "CGNS Viewer Options");
12   PetscOptionsHeadEnd();
13   PetscFunctionReturn(0);
14 }
15 
16 static PetscErrorCode PetscViewerView_CGNS(PetscViewer v, PetscViewer viewer)
17 {
18   PetscViewer_CGNS *cgv = (PetscViewer_CGNS *)v->data;
19 
20   PetscFunctionBegin;
21   if (cgv->filename) PetscCall(PetscViewerASCIIPrintf(viewer, "Filename: %s\n", cgv->filename));
22   PetscFunctionReturn(0);
23 }
24 
25 static PetscErrorCode PetscViewerFileClose_CGNS(PetscViewer viewer)
26 {
27   PetscViewer_CGNS *cgv = (PetscViewer_CGNS *)viewer->data;
28 
29   PetscFunctionBegin;
30   if (cgv->output_times) {
31     size_t     size, width = 32, *steps;
32     char      *solnames;
33     PetscReal *times;
34     cgsize_t   num_times;
35     PetscCall(PetscSegBufferGetSize(cgv->output_times, &size));
36     PetscCall(PetscSegBufferExtractInPlace(cgv->output_times, &times));
37     num_times = size;
38     PetscCallCGNS(cg_biter_write(cgv->file_num, cgv->base, "TimeIterValues", num_times));
39     PetscCallCGNS(cg_goto(cgv->file_num, cgv->base, "BaseIterativeData_t", 1, NULL));
40     PetscCallCGNS(cg_array_write("TimeValues", CGNS_ENUMV(RealDouble), 1, &num_times, times));
41     PetscCall(PetscSegBufferDestroy(&cgv->output_times));
42     PetscCallCGNS(cg_ziter_write(cgv->file_num, cgv->base, cgv->zone, "ZoneIterativeData"));
43     PetscCallCGNS(cg_goto(cgv->file_num, cgv->base, "Zone_t", cgv->zone, "ZoneIterativeData_t", 1, NULL));
44     PetscCall(PetscMalloc(size * width + 1, &solnames));
45     PetscCall(PetscSegBufferExtractInPlace(cgv->output_steps, &steps));
46     for (size_t i = 0; i < size; i++) PetscCall(PetscSNPrintf(&solnames[i * width], width + 1, "FlowSolution%-20zu", steps[i]));
47     PetscCall(PetscSegBufferDestroy(&cgv->output_steps));
48     cgsize_t shape[2] = {(cgsize_t)width, (cgsize_t)size};
49     PetscCallCGNS(cg_array_write("FlowSolutionPointers", CGNS_ENUMV(Character), 2, shape, solnames));
50     // The VTK reader looks for names like FlowSolution*Pointers.
51     for (size_t i = 0; i < size; i++) PetscCall(PetscSNPrintf(&solnames[i * width], width + 1, "%-32s", "CellInfo"));
52     PetscCallCGNS(cg_array_write("FlowSolutionCellInfoPointers", CGNS_ENUMV(Character), 2, shape, solnames));
53     PetscCall(PetscFree(solnames));
54 
55     PetscCallCGNS(cg_simulation_type_write(cgv->file_num, cgv->base, CGNS_ENUMV(TimeAccurate)));
56   }
57   PetscCall(PetscFree(cgv->filename));
58 #if defined(PETSC_HDF5_HAVE_PARALLEL)
59   PetscCallCGNS(cgp_close(cgv->file_num));
60 #else
61   if (cgv->file_num) PetscCallCGNS(cg_close(cgv->file_num));
62 #endif
63   cgv->file_num = 0;
64   PetscFunctionReturn(0);
65 }
66 
67 static PetscErrorCode PetscViewerDestroy_CGNS(PetscViewer viewer)
68 {
69   PetscViewer_CGNS *cgv = (PetscViewer_CGNS *)viewer->data;
70 
71   PetscFunctionBegin;
72   PetscCall(PetscViewerFileClose_CGNS(viewer));
73   PetscCall(PetscFree(cgv->node_l2g));
74   PetscCall(PetscFree(cgv->nodal_field));
75   PetscCall(PetscFree(cgv));
76   PetscCall(PetscObjectComposeFunction((PetscObject)viewer, "PetscViewerFileSetName_C", NULL));
77   PetscCall(PetscObjectComposeFunction((PetscObject)viewer, "PetscViewerFileGetName_C", NULL));
78   PetscCall(PetscObjectComposeFunction((PetscObject)viewer, "PetscViewerFileSetMode_C", NULL));
79   PetscCall(PetscObjectComposeFunction((PetscObject)viewer, "PetscViewerFileGetMode_C", NULL));
80   PetscFunctionReturn(0);
81 }
82 
83 static PetscErrorCode PetscViewerFileSetMode_CGNS(PetscViewer viewer, PetscFileMode type)
84 {
85   PetscViewer_CGNS *cgv = (PetscViewer_CGNS *)viewer->data;
86 
87   PetscFunctionBegin;
88   cgv->btype = type;
89   PetscFunctionReturn(0);
90 }
91 
92 static PetscErrorCode PetscViewerFileGetMode_CGNS(PetscViewer viewer, PetscFileMode *type)
93 {
94   PetscViewer_CGNS *cgv = (PetscViewer_CGNS *)viewer->data;
95 
96   PetscFunctionBegin;
97   *type = cgv->btype;
98   PetscFunctionReturn(0);
99 }
100 
101 static PetscErrorCode PetscViewerFileSetName_CGNS(PetscViewer viewer, const char *filename)
102 {
103   PetscViewer_CGNS *cgv = (PetscViewer_CGNS *)viewer->data;
104 
105   PetscFunctionBegin;
106   if (cgv->file_num) PetscCallCGNS(cg_close(cgv->file_num));
107   PetscCall(PetscFree(cgv->filename));
108   PetscCall(PetscStrallocpy(filename, &cgv->filename));
109 
110   switch (cgv->btype) {
111   case FILE_MODE_READ:
112     SETERRQ(PetscObjectComm((PetscObject)viewer), PETSC_ERR_SUP, "FILE_MODE_READ not yet implemented");
113     break;
114   case FILE_MODE_WRITE:
115 #if defined(PETSC_HDF5_HAVE_PARALLEL)
116     PetscCallCGNS(cgp_mpi_comm(PetscObjectComm((PetscObject)viewer)));
117     PetscCallCGNS(cgp_open(filename, CG_MODE_WRITE, &cgv->file_num));
118 #else
119     PetscCallCGNS(cg_open(filename, CG_MODE_WRITE, &cgv->file_num));
120 #endif
121     break;
122   case FILE_MODE_UNDEFINED:
123     SETERRQ(PetscObjectComm((PetscObject)viewer), PETSC_ERR_ORDER, "Must call PetscViewerFileSetMode() before PetscViewerFileSetName()");
124   default:
125     SETERRQ(PetscObjectComm((PetscObject)viewer), PETSC_ERR_SUP, "Unsupported file mode %s", PetscFileModes[cgv->btype]);
126   }
127   PetscFunctionReturn(0);
128 }
129 
130 static PetscErrorCode PetscViewerFileGetName_CGNS(PetscViewer viewer, const char **filename)
131 {
132   PetscViewer_CGNS *cgv = (PetscViewer_CGNS *)viewer->data;
133 
134   PetscFunctionBegin;
135   *filename = cgv->filename;
136   PetscFunctionReturn(0);
137 }
138 
139 /*MC
140    PETSCVIEWERCGNS - A viewer for CGNS files
141 
142   Level: beginner
143 
144 .seealso: [](sec_viewers), `PetscViewer`, `PetscViewerCreate()`, `VecView()`, `DMView()`, `PetscViewerFileSetName()`, `PetscViewerFileSetMode()`
145 M*/
146 
147 PETSC_EXTERN PetscErrorCode PetscViewerCreate_CGNS(PetscViewer v)
148 {
149   PetscViewer_CGNS *cgv;
150 
151   PetscFunctionBegin;
152   PetscCall(PetscNew(&cgv));
153 
154   v->data                = cgv;
155   v->ops->destroy        = PetscViewerDestroy_CGNS;
156   v->ops->setfromoptions = PetscViewerSetFromOptions_CGNS;
157   v->ops->view           = PetscViewerView_CGNS;
158   cgv->btype             = FILE_MODE_UNDEFINED;
159   cgv->filename          = NULL;
160 
161   PetscCall(PetscObjectComposeFunction((PetscObject)v, "PetscViewerFileSetName_C", PetscViewerFileSetName_CGNS));
162   PetscCall(PetscObjectComposeFunction((PetscObject)v, "PetscViewerFileGetName_C", PetscViewerFileGetName_CGNS));
163   PetscCall(PetscObjectComposeFunction((PetscObject)v, "PetscViewerFileSetMode_C", PetscViewerFileSetMode_CGNS));
164   PetscCall(PetscObjectComposeFunction((PetscObject)v, "PetscViewerFileGetMode_C", PetscViewerFileGetMode_CGNS));
165   PetscFunctionReturn(0);
166 }
167