add gyre example and high level mesh bp examples driver (#1296)

* add gyre example and skel for high level mesh bp examples driver

* power on generate driver

* changelog

CHANGELOG.md

@@ -4,6 +4,16 @@ Notable changes to Conduit are documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project aspires to adhere to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Added
+
+#### Blueprint
+- Added `conduit::blueprint::mesh::examples:generate` driver functions that supports creating any blueprint example mesh with options.
+- Added `conduit::blueprint::mesh::examples:generate_default_options` functions that provide default options values for `conduit::blueprint::mesh::examples:generate`.
+- Added python API support for `conduit::blueprint::mesh::examples:generate` and `conduit::blueprint::mesh::examples:generate_default_options`.
+- Added `gyre` example mesh, which provides a simple velocity vector field. 
+
 ## [0.9.2] - Released 2024-05-21
 
 ### Added

src/libs/blueprint/CMakeLists.txt

@@ -41,6 +41,9 @@ set(blueprint_headers
     conduit_blueprint_mesh_examples_polystar.hpp
     conduit_blueprint_mesh_examples_rz_cylinder.hpp
     conduit_blueprint_mesh_examples_tiled.hpp
+    conduit_blueprint_mesh_examples_gyre.hpp
+    conduit_blueprint_mesh_examples_generate.hpp
+    conduit_blueprint_mesh_flatten.hpp
     conduit_blueprint_mcarray.hpp
     conduit_blueprint_mcarray_examples.hpp
     conduit_blueprint_o2mrelation.hpp
@@ -84,6 +87,8 @@ set(blueprint_sources
     conduit_blueprint_mesh_examples_polystar.cpp
     conduit_blueprint_mesh_examples_rz_cylinder.cpp
     conduit_blueprint_mesh_examples_tiled.cpp
+    conduit_blueprint_mesh_examples_gyre.cpp
+    conduit_blueprint_mesh_examples_generate.cpp
     conduit_blueprint_mesh_flatten.cpp
     conduit_blueprint_mcarray.cpp
     conduit_blueprint_mcarray_examples.cpp
@@ -191,6 +196,7 @@ set(conduit_blueprint_mpi_sources
 set(conduit_blueprint_mpi_headers
     conduit_blueprint_mpi.hpp
     conduit_blueprint_mpi_mesh.hpp
+    conduit_blueprint_mpi_mesh_flatten.hpp
     conduit_blueprint_mpi_mesh_partition.hpp
     conduit_blueprint_mpi_mesh_examples.hpp
     conduit_blueprint_mpi_mesh_utils.hpp

src/libs/blueprint/conduit_blueprint_mesh_examples.cpp

@@ -66,7 +66,6 @@ namespace examples
 //---------------------------------------------------------------------------//
 const float64 PI_VALUE = 3.14159265359;
 
-
 //---------------------------------------------------------------------------//
 struct point
 {

src/libs/blueprint/conduit_blueprint_mesh_examples.hpp

@@ -23,6 +23,8 @@
 #include "conduit_blueprint_mesh_examples_polystar.hpp"
 #include "conduit_blueprint_mesh_examples_rz_cylinder.hpp"
 #include "conduit_blueprint_mesh_examples_tiled.hpp"
+#include "conduit_blueprint_mesh_examples_gyre.hpp"
+#include "conduit_blueprint_mesh_examples_generate.hpp"
 
 //-----------------------------------------------------------------------------
 // -- begin conduit::--
@@ -48,6 +50,7 @@ namespace mesh
 //-----------------------------------------------------------------------------
 namespace examples
 {
+
     /// Generates a uniform grid with a scalar field that assigns a unique,
     /// monotonically increasing value to each element.
     void CONDUIT_BLUEPRINT_API basic(const std::string &mesh_type,