Actual source code: dmplextransformimpl.h
1: #pragma once
3: #include <petsc/private/dmpleximpl.h>
4: #include <petscdmplextransform.h>
6: typedef struct _p_DMPlexTransformOps *DMPlexTransformOps;
7: struct _p_DMPlexTransformOps {
8: PetscErrorCode (*view)(DMPlexTransform, PetscViewer);
9: PetscErrorCode (*setfromoptions)(DMPlexTransform, PetscOptionItems);
10: PetscErrorCode (*setup)(DMPlexTransform);
11: PetscErrorCode (*destroy)(DMPlexTransform);
12: PetscErrorCode (*setdimensions)(DMPlexTransform, DM, DM);
13: PetscErrorCode (*celltransform)(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt *, PetscInt *, DMPolytopeType *[], PetscInt *[], PetscInt *[], PetscInt *[]);
14: PetscErrorCode (*ordersupports)(DMPlexTransform, DM, DM);
15: PetscErrorCode (*getsubcellorientation)(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt, DMPolytopeType, PetscInt, PetscInt, PetscInt *, PetscInt *);
16: PetscErrorCode (*mapcoordinates)(DMPlexTransform, DMPolytopeType, DMPolytopeType, PetscInt, PetscInt, PetscInt, PetscInt, const PetscScalar[], PetscScalar[]);
17: };
19: struct _p_DMPlexTransform {
20: PETSCHEADER(struct _p_DMPlexTransformOps);
21: void *data;
23: DM dm; /* This is the DM for which the transform has been computed */
24: DMLabel active; /* If not NULL, indicates points that are participating in the transform */
25: DMLabel trType; /* If not NULL, this holds the transformation type for each point */
26: PetscBool setupcalled; /* true if setup has been called */
27: PetscInt *ctOrderOld; /* [i] = ct: An array with original cell types in depth order */
28: PetscInt *ctOrderInvOld; /* [ct] = i: An array with the ordinal numbers for each original cell type */
29: PetscInt *ctStart; /* [ct]: The number for the first cell of each polytope type in the original mesh */
30: PetscInt *ctOrderNew; /* [i] = ct: An array with produced cell types in depth order */
31: PetscInt *ctOrderInvNew; /* [ct] = i: An array with the ordinal numbers for each produced cell type */
32: PetscInt *ctStartNew; /* [ctNew]: The number for the first cell of each polytope type in the new mesh */
33: PetscInt *offset; /* [ct/rt][ctNew]: The offset from ctStartNew[ctNew] in the new point numbering of a point of type ctNew produced from an old point of type ct or refine type rt */
34: PetscInt depth; /* The depth of the transformed mesh */
35: PetscInt *depthStart; /* The starting point for each depth stratum */
36: PetscInt *depthEnd; /* The starting point for the next depth stratum */
37: PetscInt *trNv; /* The number of transformed vertices in the closure of a cell of each type */
38: PetscScalar **trVerts; /* The transformed vertex coordinates in the closure of a cell of each type */
39: PetscInt ****trSubVerts; /* The indices for vertices of subcell (rct, r) in a cell of each type */
40: PetscFE *coordFE; /* Finite element for each cell type, used for localized coordinate interpolation */
41: PetscFEGeom **refGeom; /* Geometry of the reference cell for each cell type */
42: /* Label construction */
43: PetscBool labelMatchStrata; /* Flag to restrict labeled points to the same cell type as parents */
44: PetscInt labelReplicaInc; /* Multiplier to create new label values for replicas v = oldv + r * repInc */
45: };
47: typedef struct {
48: PetscInt dummy;
49: } DMPlexTransform_Filter;
51: typedef enum {
52: NORMAL_DEFAULT,
53: NORMAL_INPUT,
54: NORMAL_COMPUTE,
55: NORMAL_COMPUTE_BD
56: } PlexNormalAlg;
57: PETSC_EXTERN const char *const PlexNormalAlgs[];
59: typedef struct {
60: /* Inputs */
61: PetscInt dimEx; /* The dimension of the extruded mesh */
62: PetscInt cdim; /* The coordinate dimension of the input mesh */
63: PetscInt cdimEx; /* The coordinate dimension of the extruded mesh */
64: PetscInt layers; /* The number of extruded layers */
65: PetscReal thickness; /* The total thickness of the extruded layers */
66: PetscInt Nth; /* The number of specified thicknesses */
67: PetscReal *thicknesses; /* The input layer thicknesses */
68: PetscBool useTensor; /* Flag to create tensor cells */
69: PlexNormalAlg normalAlg; /* Algorithm to use for computing normal */
70: PetscReal normal[3]; /* Surface normal from input */
71: DM dmNormal; // DM for normal field
72: Vec vecNormal; // Normal at each vertex
73: PetscSimplePointFn *normalFunc; /* A function returning the normal at a given point */
74: PetscBool symmetric; /* Extrude layers symmetrically about the surface */
75: PetscBool periodic; /* Connect the extruded layer periodically to the beginning */
76: /* Calculated quantities */
77: PetscReal *layerPos; /* The position of each layer relative to the original surface, along the local normal direction */
78: PetscInt *Nt; /* The array of the number of target types */
79: DMPolytopeType **target; /* The array of target types */
80: PetscInt **size; /* The array of the number of each target type */
81: PetscInt **cone; /* The array of cones for each target cell */
82: PetscInt **ornt; /* The array of orientation for each target cell */
83: // Borrowed storage
84: const PetscInt *degree; // The root degree of all points in the original mesh
85: } DMPlexTransform_Extrude;
87: typedef struct {
88: PetscInt debug; // Debugging level
89: PetscBool useTensor; // Flag to create tensor cells
90: PetscReal width; // The width of a cohesive cell
91: PetscInt *Nt; // The array of the number of target types
92: DMPolytopeType **target; // The array of target types
93: PetscInt **size; // The array of the number of each target type
94: PetscInt **cone; // The array of cones for each target cell
95: PetscInt **ornt; // The array of orientation for each target cell
96: } DMPlexTransform_Cohesive;
98: typedef struct {
99: PetscInt dummy;
100: } DMPlexRefine_Regular;
102: typedef struct {
103: PetscInt dummy;
104: } DMPlexRefine_ToBox;
106: typedef struct {
107: PetscInt dummy;
108: } DMPlexRefine_Alfeld;
110: typedef struct {
111: DMLabel splitPoints; /* List of edges to be bisected (1) and cells to be divided (2) */
112: PetscSection secEdgeLen; /* Section for edge length field */
113: PetscReal *edgeLen; /* Storage for edge length field */
114: } DMPlexRefine_SBR;
116: typedef struct {
117: PetscInt dummy;
118: } DMPlexRefine_1D;
120: typedef struct {
121: PetscInt n; /* The number of divisions to produce, so n = 1 gives 2 new cells */
122: PetscReal r; /* The factor increase for cell height */
123: PetscScalar *h; /* The computed cell heights, based on r */
124: PetscInt *Nt; /* The array of the number of target types */
125: DMPolytopeType **target; /* The array of target types */
126: PetscInt **size; /* The array of the number of each target type */
127: PetscInt **cone; /* The array of cones for each target cell */
128: PetscInt **ornt; /* The array of orientation for each target cell */
129: } DMPlexRefine_BL;
131: PetscErrorCode DMPlexTransformSetDimensions_Internal(DMPlexTransform, DM, DM);
132: PetscErrorCode DMPlexTransformMapCoordinatesBarycenter_Internal(DMPlexTransform, DMPolytopeType, DMPolytopeType, PetscInt, PetscInt, PetscInt, PetscInt, const PetscScalar[], PetscScalar[]);
133: PetscErrorCode DMPlexTransformGetSubcellOrientation_Regular(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt, DMPolytopeType, PetscInt, PetscInt, PetscInt *, PetscInt *);
134: PetscErrorCode DMPlexTransformCellRefine_Regular(DMPlexTransform, DMPolytopeType, PetscInt, PetscInt *, PetscInt *, DMPolytopeType *[], PetscInt *[], PetscInt *[], PetscInt *[]);