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#ifndef CatalystAdaptor_h
#define CatalystAdaptor_h
#include <catalyst.h>
#include <stdio.h>
//-----------------------------------------------------------------------------
/**
* Initialize Catalyst.
*/
//-----------------------------------------------------------------------------
void do_catalyst_initialization(int argc, char* argv[])
{
conduit_node* catalyst_init_params = conduit_node_create();
// pass scripts pass on command line.
for (int cc = 1; cc < argc; ++cc)
{
char buf[256];
snprintf(buf, 256, "catalyst/scripts/script%d", (cc - 1));
conduit_node_set_path_char8_str(catalyst_init_params, buf, argv[cc]);
}
conduit_node_set_path_char8_str(catalyst_init_params, "catalyst_load/implementation", "paraview");
conduit_node_set_path_char8_str(
catalyst_init_params, "catalyst_load/search_paths/paraview", PARAVIEW_IMPL_DIR);
enum catalyst_status err = catalyst_initialize(catalyst_init_params);
conduit_node_destroy(catalyst_init_params);
if (err != catalyst_status_ok)
{
printf("Failed to initialize Catalyst: %d\n", err);
}
}
//-----------------------------------------------------------------------------
/**
* Execute per cycle
*/
//-----------------------------------------------------------------------------
void do_catalyt_execute(int cycle, double time, Grid* grid, Attributes* attribs)
{
conduit_node* catalyst_exec_params = conduit_node_create();
conduit_node_set_path_int64(catalyst_exec_params, "catalyst/state/timestep", cycle);
// one can also use "catalyst/cycle" for the same purpose.
// conduit_node_set_path_int64(catalyst_exec_params, "catalyst/state/cycle", cycle);
conduit_node_set_path_float64(catalyst_exec_params, "catalyst/state/time", time);
// the data must be provided on a named channel. the name is determined by the
// simulation. for this one, we're calling it "grid".
// declare the type of the channel; we're using Conduit Mesh Blueprint
// to describe the mesh and fields.
conduit_node_set_path_char8_str(catalyst_exec_params, "catalyst/channels/grid/type", "mesh");
// now, create the mesh.
conduit_node* mesh = conduit_node_create();
// add coordsets
conduit_node_set_path_char8_str(mesh, "coordsets/coords/type", "explicit");
conduit_node_set_path_char8_str(mesh, "coordsets/coords/type", "explicit");
conduit_node_set_path_external_float64_ptr_detailed(mesh, "coordsets/coords/values/x",
/*data=*/grid->Points, /*num_elements=*/grid->NumberOfPoints, /*offset=*/0,
/*stride=*/3 * sizeof(double), /*element_bytes=*/sizeof(double),
/*endianness=*/CONDUIT_ENDIANNESS_DEFAULT_ID);
conduit_node_set_path_external_float64_ptr_detailed(mesh, "coordsets/coords/values/y",
/*data=*/grid->Points, /*num_elements=*/grid->NumberOfPoints, /*offset=*/1 * sizeof(double),
/*stride=*/3 * sizeof(double), /*element_bytes=*/sizeof(double),
/*endianness=*/CONDUIT_ENDIANNESS_DEFAULT_ID);
conduit_node_set_path_external_float64_ptr_detailed(mesh, "coordsets/coords/values/z",
/*data=*/grid->Points, /*num_elements=*/grid->NumberOfPoints, /*offset=*/2 * sizeof(double),
/*stride=*/3 * sizeof(double), /*element_bytes=*/sizeof(double),
/*endianness=*/CONDUIT_ENDIANNESS_DEFAULT_ID);
// add topologies
conduit_node_set_path_char8_str(mesh, "topologies/mesh/type", "unstructured");
conduit_node_set_path_char8_str(mesh, "topologies/mesh/coordset", "coords");
conduit_node_set_path_char8_str(mesh, "topologies/mesh/elements/shape", "hex");
conduit_node_set_path_external_int64_ptr(
mesh, "topologies/mesh/elements/connectivity", grid->Cells, grid->NumberOfCells * 8);
// add velocity (point-field)
conduit_node_set_path_char8_str(mesh, "fields/velocity/association", "vertex");
conduit_node_set_path_char8_str(mesh, "fields/velocity/topology", "mesh");
conduit_node_set_path_char8_str(mesh, "fields/velocity/volume_dependent", "false");
conduit_node_set_path_external_float64_ptr_detailed(mesh, "fields/velocity/values/x",
/*data=*/attribs->Velocity, /*num_elements=*/grid->NumberOfPoints, /*offset=*/0,
/*stride=*/sizeof(double), /*element_bytes=*/sizeof(double),
/*endianness*/ CONDUIT_ENDIANNESS_DEFAULT_ID);
conduit_node_set_path_external_float64_ptr_detailed(mesh, "fields/velocity/values/y",
/*data=*/attribs->Velocity, /*num_elements=*/grid->NumberOfPoints,
/*offset=*/grid->NumberOfPoints * sizeof(double),
/*stride=*/sizeof(double), /*element_bytes=*/sizeof(double),
/*endianness*/ CONDUIT_ENDIANNESS_DEFAULT_ID);
conduit_node_set_path_external_float64_ptr_detailed(mesh, "fields/velocity/values/z",
/*data=*/attribs->Velocity, /*num_elements=*/grid->NumberOfPoints,
/*offset=*/2 * grid->NumberOfPoints * sizeof(double),
/*stride=*/sizeof(double), /*element_bytes=*/sizeof(double),
/*endianness*/ CONDUIT_ENDIANNESS_DEFAULT_ID);
// add pressure (cell-field)
conduit_node_set_path_char8_str(mesh, "fields/pressure/association", "element");
conduit_node_set_path_char8_str(mesh, "fields/pressure/topology", "mesh");
conduit_node_set_path_char8_str(mesh, "fields/pressure/volume_dependent", "false");
conduit_node_set_path_external_float32_ptr(
mesh, "fields/pressure/values", attribs->Pressure, grid->NumberOfCells);
conduit_node_set_path_external_node(catalyst_exec_params, "catalyst/channels/grid/data", mesh);
#if 0
// print for debugging purposes, if needed
conduit_node_print(catalyst_exec_params);
// print information with details about memory allocation
conduit_node* info = conduit_node_create();
conduit_node_info(catalyst_exec_params, info);
conduit_node_print(info);
conduit_node_destroy(info);
#endif
enum catalyst_status err = catalyst_execute(catalyst_exec_params);
if (err != catalyst_status_ok)
{
printf("Failed to execute Catalyst: %d\n", err);
}
conduit_node_destroy(catalyst_exec_params);
conduit_node_destroy(mesh);
}
//-----------------------------------------------------------------------------
/**
* Finalize Catalyst.
*/
//-----------------------------------------------------------------------------
void do_catalyt_finalization()
{
conduit_node* catalyst_fini_params = conduit_node_create();
enum catalyst_status err = catalyst_finalize(catalyst_fini_params);
if (err != catalyst_status_ok)
{
printf("Failed to execute Catalyst: %d\n", err);
}
conduit_node_destroy(catalyst_fini_params);
}
#endif
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