5939695269

Committed 22 Aug 2023 01:45PM UTC coverage: 84.437% (-0.1%) from 84.572%

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Commit Message

Expose universe plotting for the geometry class  (#2661)

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/include/openmc/plot.h

#ifndef OPENMC_PLOT_H
#define OPENMC_PLOT_H

#include <sstream>
#include <unordered_map>

#include "pugixml.hpp"
#include "xtensor/xarray.hpp"

#include "hdf5.h"
#include "openmc/cell.h"
#include "openmc/constants.h"
#include "openmc/error.h"
#include "openmc/geometry.h"
#include "openmc/particle.h"
#include "openmc/position.h"
#include "openmc/random_lcg.h"
#include "openmc/xml_interface.h"

namespace openmc {

//===============================================================================
// Global variables
//===============================================================================

class PlottableInterface;

namespace model {

extern std::unordered_map<int, int> plot_map; //!< map of plot ids to index
extern vector<std::unique_ptr<PlottableInterface>>
  plots; //!< Plot instance container

extern uint64_t plotter_seed; // Stream index used by the plotter

} // namespace model

//===============================================================================
// RGBColor holds color information for plotted objects
//===============================================================================

struct RGBColor {
  // Constructors
  RGBColor() : red(0), green(0), blue(0) {};
  RGBColor(const int v[3]) : red(v[0]), green(v[1]), blue(v[2]) {};
  RGBColor(int r, int g, int b) : red(r), green(g), blue(b) {};

  RGBColor(const vector<int>& v)
  {
    if (v.size() != 3) {
      throw std::out_of_range("Incorrect vector size for RGBColor.");
    }
    red = v[0];
    green = v[1];
    blue = v[2];
  }

  bool operator==(const RGBColor& other)
  {
    return red == other.red && green == other.green && blue == other.blue;
  }

  // Members
  uint8_t red, green, blue;
};

// some default colors
const RGBColor WHITE {255, 255, 255};
const RGBColor RED {255, 0, 0};
const RGBColor BLACK {0, 0, 0};

/*
 * PlottableInterface classes just have to have a unique ID in the plots.xml
 * file, and guarantee being able to create output in some way.
 */
class PlottableInterface {
private:
  void set_id(pugi::xml_node plot_node);
  int id_; // unique plot ID

  void set_bg_color(pugi::xml_node plot_node);
  void set_universe(pugi::xml_node plot_node);
  void set_default_colors(pugi::xml_node plot_node);
  void set_user_colors(pugi::xml_node plot_node);
  void set_overlap_color(pugi::xml_node plot_node);
  void set_mask(pugi::xml_node plot_node);

protected:
  // Plot output filename, derived classes have logic to set it
  std::string path_plot_;

public:
  enum class PlotColorBy { cells = 0, mats = 1 };

  // Creates the output image named path_plot_
  virtual void create_output() const = 0;

  // Print useful info to the terminal
  virtual void print_info() const = 0;

  const std::string& path_plot() const { return path_plot_; }
  const int id() const { return id_; }
  const int level() const { return level_; }

  // Public color-related data
  PlottableInterface(pugi::xml_node plot_node);
  virtual ~PlottableInterface() = default;
  int level_;                    // Universe level to plot
  bool color_overlaps_;          // Show overlapping cells?
  PlotColorBy color_by_;         // Plot coloring (cell/material)
  RGBColor not_found_ {WHITE};   // Plot background color
  RGBColor overlap_color_ {RED}; // Plot overlap color
  vector<RGBColor> colors_;      // Plot colors
};

typedef xt::xtensor<RGBColor, 2> ImageData;

struct IdData {
  // Constructor
  IdData(size_t h_res, size_t v_res);

  // Methods
  void set_value(size_t y, size_t x, const Particle& p, int level);
  void set_overlap(size_t y, size_t x);

  // Members
  xt::xtensor<int32_t, 3> data_; //!< 2D array of cell & material ids
};

struct PropertyData {
  // Constructor
  PropertyData(size_t h_res, size_t v_res);

  // Methods
  void set_value(size_t y, size_t x, const Particle& p, int level);
  void set_overlap(size_t y, size_t x);

  // Members
  xt::xtensor<double, 3> data_; //!< 2D array of temperature & density data
};

//===============================================================================
// Plot class
//===============================================================================

class SlicePlotBase {
public:
  template<class T>
  T get_map() const;

  enum class PlotBasis { xy = 1, xz = 2, yz = 3 };

  // Members
public:
  Position origin_;           //!< Plot origin in geometry
  Position width_;            //!< Plot width in geometry
  PlotBasis basis_;           //!< Plot basis (XY/XZ/YZ)
  array<size_t, 3> pixels_;   //!< Plot size in pixels
  bool slice_color_overlaps_; //!< Show overlapping cells?
  int slice_level_ {-1};      //!< Plot universe level
private:
};

template<class T>
T SlicePlotBase::get_map() const
{

  size_t width = pixels_[0];
  size_t height = pixels_[1];

  // get pixel size
  double in_pixel = (width_[0]) / static_cast<double>(width);
  double out_pixel = (width_[1]) / static_cast<double>(height);

  // size data array
  T data(width, height);

  // setup basis indices and initial position centered on pixel
  int in_i, out_i;
  Position xyz = origin_;
  switch (basis_) {
  case PlotBasis::xy:
    in_i = 0;
    out_i = 1;
    break;
  case PlotBasis::xz:
    in_i = 0;
    out_i = 2;
    break;
  case PlotBasis::yz:
    in_i = 1;
    out_i = 2;
    break;
  default:
    UNREACHABLE();
  }

  // set initial position
  xyz[in_i] = origin_[in_i] - width_[0] / 2. + in_pixel / 2.;
  xyz[out_i] = origin_[out_i] + width_[1] / 2. - out_pixel / 2.;

  // arbitrary direction
  Direction dir = {0.7071, 0.7071, 0.0};

#pragma omp parallel
  {
    Particle p;
    p.r() = xyz;
    p.u() = dir;
    p.coord(0).universe = model::root_universe;
    int level = slice_level_;
    int j {};

#pragma omp for
    for (int y = 0; y < height; y++) {
      p.r()[out_i] = xyz[out_i] - out_pixel * y;
      for (int x = 0; x < width; x++) {
        p.r()[in_i] = xyz[in_i] + in_pixel * x;
        p.n_coord() = 1;
        // local variables
        bool found_cell = exhaustive_find_cell(p);
        j = p.n_coord() - 1;
        if (level >= 0) {
          j = level;
        }
        if (found_cell) {
          data.set_value(y, x, p, j);
        }
        if (slice_color_overlaps_ && check_cell_overlap(p, false)) {
          data.set_overlap(y, x);
        }
      } // inner for
    }   // outer for
  }     // omp parallel

  return data;
}

// Represents either a voxel or pixel plot
class Plot : public PlottableInterface, public SlicePlotBase {

public:
  enum class PlotType { slice = 1, voxel = 2 };

  Plot(pugi::xml_node plot, PlotType type);

private:
  void set_output_path(pugi::xml_node plot_node);
  void set_basis(pugi::xml_node plot_node);
  void set_origin(pugi::xml_node plot_node);
  void set_width(pugi::xml_node plot_node);
  void set_meshlines(pugi::xml_node plot_node);

public:
  // Add mesh lines to ImageData
  void draw_mesh_lines(ImageData& data) const;
  void create_image() const;
  void create_voxel() const;

  virtual void create_output() const;
  virtual void print_info() const;

  PlotType type_;                 //!< Plot type (Slice/Voxel)
  int meshlines_width_;           //!< Width of lines added to the plot
  int index_meshlines_mesh_ {-1}; //!< Index of the mesh to draw on the plot
  RGBColor meshlines_color_;      //!< Color of meshlines on the plot
};

class ProjectionPlot : public PlottableInterface {

public:
  ProjectionPlot(pugi::xml_node plot);

  virtual void create_output() const;
  virtual void print_info() const;

private:
  void set_output_path(pugi::xml_node plot_node);
  void set_look_at(pugi::xml_node node);
  void set_camera_position(pugi::xml_node node);
  void set_field_of_view(pugi::xml_node node);
  void set_pixels(pugi::xml_node node);
  void set_opacities(pugi::xml_node node);
  void set_orthographic_width(pugi::xml_node node);
  void set_wireframe_thickness(pugi::xml_node node);
  void set_wireframe_ids(pugi::xml_node node);
  void set_wireframe_color(pugi::xml_node node);

  /* If starting the particle from outside the geometry, we have to
   * find a distance to the boundary in a non-standard surface intersection
   * check. It's an exhaustive search over surfaces in the top-level universe.
   */
  static int advance_to_boundary_from_void(Particle& p);

  /* Checks if a vector of two TrackSegments is equivalent. We define this
   * to mean not having matching intersection lengths, but rather having
   * a matching sequence of surface/cell/material intersections.
   */
  struct TrackSegment;
  bool trackstack_equivalent(const vector<TrackSegment>& track1,
    const vector<TrackSegment>& track2) const;

  /* Used for drawing wireframe and colors. We record the list of
   * surface/cell/material intersections and the corresponding lengths as a ray
   * traverses the geometry, then color by iterating in reverse.
   */
  struct TrackSegment {
    int id;        // material or cell ID (which is being colored)
    double length; // length of this track intersection

    /* Recording this allows us to draw edges on the wireframe. For instance
     * if two surfaces bound a single cell, it allows drawing that sharp edge
     * where the surfaces intersect.
     */
    int surface; // last surface ID intersected in this segment
    TrackSegment(int id_a, double length_a, int surface_a)
      : id(id_a), length(length_a), surface(surface_a)
    {}
  };

  // Max intersections before we assume ray tracing is caught in an infinite
  // loop:
  static const int MAX_INTERSECTIONS = 1000000;

  std::array<int, 2> pixels_;              // pixel dimension of resulting image
  double horizontal_field_of_view_ {70.0}; // horiz. f.o.v. in degrees
  Position camera_position_;               // where camera is
  Position look_at_;             // point camera is centered looking at
  Direction up_ {0.0, 0.0, 1.0}; // which way is up

  // which color IDs should be wireframed. If empty, all cells are wireframed.
  vector<int> wireframe_ids_;

  /* The horizontal thickness, if using an orthographic projection.
   * If set to zero, we assume using a perspective projection.
   */
  double orthographic_width_ {0.0};

  // Thickness of the wireframe lines. Can set to zero for no wireframe.
  int wireframe_thickness_ {1};

  RGBColor wireframe_color_ {BLACK}; // wireframe color
  vector<double> xs_; // macro cross section values for cell volume rendering
};

//===============================================================================
// Non-member functions
//===============================================================================

/* Write a PPM image
 * filename - name of output file
 * data - image data to write
 */
void output_ppm(const std::string& filename, const ImageData& data);

#ifdef USE_LIBPNG
/* Write a PNG image
 * filename - name of output file
 * data - image data to write
 */
void output_png(const std::string& filename, const ImageData& data);
#endif

//! Initialize a voxel file
//! \param[in] id of an open hdf5 file
//! \param[in] dimensions of the voxel file (dx, dy, dz)
//! \param[out] dataspace pointer to voxel data
//! \param[out] dataset pointer to voxesl data
//! \param[out] pointer to memory space of voxel data
void voxel_init(hid_t file_id, const hsize_t* dims, hid_t* dspace, hid_t* dset,
  hid_t* memspace);

//! Write a section of the voxel data to hdf5
//! \param[in] voxel slice
//! \param[out] dataspace pointer to voxel data
//! \param[out] dataset pointer to voxesl data
//! \param[out] pointer to data to write
void voxel_write_slice(
  int x, hid_t dspace, hid_t dset, hid_t memspace, void* buf);

//! Close voxel file entities
//! \param[in] data space to close
//! \param[in] dataset to close
//! \param[in] memory space to close
void voxel_finalize(hid_t dspace, hid_t dset, hid_t memspace);

//===============================================================================
// External functions
//===============================================================================

//! Read plot specifications from a plots.xml file
void read_plots_xml();

//! Read plot specifications from an XML Node
//! \param[in] XML node containing plot info
void read_plots_xml(pugi::xml_node root);

//! Clear memory
void free_memory_plot();

//! Create a randomly generated RGB color
//! \return RGBColor with random value
RGBColor random_color();

} // namespace openmc
#endif // OPENMC_PLOT_H

1	#ifndef OPENMC_PLOT_H
2	#define OPENMC_PLOT_H
3
4	#include <sstream>
5	#include <unordered_map>
6
7	#include "pugixml.hpp"
8	#include "xtensor/xarray.hpp"
9
10	#include "hdf5.h"
11	#include "openmc/cell.h"
12	#include "openmc/constants.h"
13	#include "openmc/error.h"
14	#include "openmc/geometry.h"
15	#include "openmc/particle.h"
16	#include "openmc/position.h"
17	#include "openmc/random_lcg.h"
18	#include "openmc/xml_interface.h"
19
20	namespace openmc {
21
22	//===============================================================================
23	// Global variables
24	//===============================================================================
25
26	class PlottableInterface;
27
28	namespace model {
29
30	extern std::unordered_map<int, int> plot_map; //!< map of plot ids to index
31	extern vector<std::unique_ptr<PlottableInterface>>
32	plots; //!< Plot instance container
33
34	extern uint64_t plotter_seed; // Stream index used by the plotter
35
36	} // namespace model
37
38	//===============================================================================
39	// RGBColor holds color information for plotted objects
40	//===============================================================================
41
42	struct RGBColor {
43	// Constructors
44	RGBColor() : red(0), green(0), blue(0) {};
45	RGBColor(const int v[3]) : red(v[0]), green(v[1]), blue(v[2]) {};
UNCOV 46	RGBColor(int r, int g, int b) : red(r), green(g), blue(b) {};	×
47
48	RGBColor(const vector<int>& v)
49	{
50	if (v.size() != 3) {
51	throw std::out_of_range("Incorrect vector size for RGBColor.");
52	}
53	red = v[0];
54	green = v[1];
55	blue = v[2];
56	}
57
58	bool operator==(const RGBColor& other)
59	{
60	return red == other.red && green == other.green && blue == other.blue;
61	}
62
63	// Members
64	uint8_t red, green, blue;
65	};
66
67	// some default colors
68	const RGBColor WHITE {255, 255, 255};
69	const RGBColor RED {255, 0, 0};
70	const RGBColor BLACK {0, 0, 0};
71
72	/*
73	* PlottableInterface classes just have to have a unique ID in the plots.xml
74	* file, and guarantee being able to create output in some way.
75	*/
76	class PlottableInterface {
77	private:
78	void set_id(pugi::xml_node plot_node);
79	int id_; // unique plot ID
80
81	void set_bg_color(pugi::xml_node plot_node);
82	void set_universe(pugi::xml_node plot_node);
83	void set_default_colors(pugi::xml_node plot_node);
84	void set_user_colors(pugi::xml_node plot_node);
85	void set_overlap_color(pugi::xml_node plot_node);
86	void set_mask(pugi::xml_node plot_node);
87
88	protected:
89	// Plot output filename, derived classes have logic to set it
90	std::string path_plot_;
91
92	public:
93	enum class PlotColorBy { cells = 0, mats = 1 };
94
95	// Creates the output image named path_plot_
96	virtual void create_output() const = 0;
97
98	// Print useful info to the terminal
99	virtual void print_info() const = 0;
100
101	const std::string& path_plot() const { return path_plot_; }
102	const int id() const { return id_; }
103	const int level() const { return level_; }
104
105	// Public color-related data
106	PlottableInterface(pugi::xml_node plot_node);
107	virtual ~PlottableInterface() = default;
108	int level_; // Universe level to plot
109	bool color_overlaps_; // Show overlapping cells?
110	PlotColorBy color_by_; // Plot coloring (cell/material)
111	RGBColor not_found_ {WHITE}; // Plot background color
112	RGBColor overlap_color_ {RED}; // Plot overlap color
113	vector<RGBColor> colors_; // Plot colors
114	};
115
116	typedef xt::xtensor<RGBColor, 2> ImageData;
117
118	struct IdData {
119	// Constructor
120	IdData(size_t h_res, size_t v_res);
121
122	// Methods
123	void set_value(size_t y, size_t x, const Particle& p, int level);
124	void set_overlap(size_t y, size_t x);
125
126	// Members
127	xt::xtensor<int32_t, 3> data_; //!< 2D array of cell & material ids
128	};
129
130	struct PropertyData {
131	// Constructor
132	PropertyData(size_t h_res, size_t v_res);
133
134	// Methods
135	void set_value(size_t y, size_t x, const Particle& p, int level);
136	void set_overlap(size_t y, size_t x);
137
138	// Members
139	xt::xtensor<double, 3> data_; //!< 2D array of temperature & density data
140	};
141
142	//===============================================================================
143	// Plot class
144	//===============================================================================
145
146	class SlicePlotBase {
147	public:
148	template<class T>
149	T get_map() const;
150
151	enum class PlotBasis { xy = 1, xz = 2, yz = 3 };
152
153	// Members
154	public:
155	Position origin_; //!< Plot origin in geometry
156	Position width_; //!< Plot width in geometry
157	PlotBasis basis_; //!< Plot basis (XY/XZ/YZ)
158	array<size_t, 3> pixels_; //!< Plot size in pixels
159	bool slice_color_overlaps_; //!< Show overlapping cells?
160	int slice_level_ {-1}; //!< Plot universe level
161	private:
162	};
163
164	template<class T>
165	T SlicePlotBase::get_map() const
166	{
167
168	size_t width = pixels_[0];
169	size_t height = pixels_[1];
170
171	// get pixel size
172	double in_pixel = (width_[0]) / static_cast<double>(width);
173	double out_pixel = (width_[1]) / static_cast<double>(height);
174
175	// size data array
176	T data(width, height);
177
178	// setup basis indices and initial position centered on pixel
179	int in_i, out_i;
180	Position xyz = origin_;
181	switch (basis_) {
182	case PlotBasis::xy:
183	in_i = 0;
184	out_i = 1;
185	break;
186	case PlotBasis::xz:
187	in_i = 0;
188	out_i = 2;
189	break;
190	case PlotBasis::yz:
191	in_i = 1;
192	out_i = 2;
193	break;
194	default:
195	UNREACHABLE();
196	}
197
198	// set initial position
199	xyz[in_i] = origin_[in_i] - width_[0] / 2. + in_pixel / 2.;
200	xyz[out_i] = origin_[out_i] + width_[1] / 2. - out_pixel / 2.;
201
202	// arbitrary direction
203	Direction dir = {0.7071, 0.7071, 0.0};
204
205	#pragma omp parallel
206	{
207	Particle p;
208	p.r() = xyz;
209	p.u() = dir;
210	p.coord(0).universe = model::root_universe;
211	int level = slice_level_;
212	int j {};
213
214	#pragma omp for
215	for (int y = 0; y < height; y++) {
216	p.r()[out_i] = xyz[out_i] - out_pixel * y;
217	for (int x = 0; x < width; x++) {
218	p.r()[in_i] = xyz[in_i] + in_pixel * x;
219	p.n_coord() = 1;
220	// local variables
221	bool found_cell = exhaustive_find_cell(p);
222	j = p.n_coord() - 1;
223	if (level >= 0) {
224	j = level;
225	}
226	if (found_cell) {
227	data.set_value(y, x, p, j);
228	}
229	if (slice_color_overlaps_ && check_cell_overlap(p, false)) {
230	data.set_overlap(y, x);
231	}
232	} // inner for
233	} // outer for
234	} // omp parallel
235
236	return data;
237	}
238
239	// Represents either a voxel or pixel plot
240	class Plot : public PlottableInterface, public SlicePlotBase {
241
242	public:
243	enum class PlotType { slice = 1, voxel = 2 };
244
245	Plot(pugi::xml_node plot, PlotType type);
246
247	private:
248	void set_output_path(pugi::xml_node plot_node);
249	void set_basis(pugi::xml_node plot_node);
250	void set_origin(pugi::xml_node plot_node);
251	void set_width(pugi::xml_node plot_node);
252	void set_meshlines(pugi::xml_node plot_node);
253
254	public:
255	// Add mesh lines to ImageData
256	void draw_mesh_lines(ImageData& data) const;
257	void create_image() const;
258	void create_voxel() const;
259
260	virtual void create_output() const;
261	virtual void print_info() const;
262
263	PlotType type_; //!< Plot type (Slice/Voxel)
264	int meshlines_width_; //!< Width of lines added to the plot
265	int index_meshlines_mesh_ {-1}; //!< Index of the mesh to draw on the plot
266	RGBColor meshlines_color_; //!< Color of meshlines on the plot
267	};
268
269	class ProjectionPlot : public PlottableInterface {
270
271	public:
272	ProjectionPlot(pugi::xml_node plot);
273
274	virtual void create_output() const;
275	virtual void print_info() const;
276
277	private:
278	void set_output_path(pugi::xml_node plot_node);
279	void set_look_at(pugi::xml_node node);
280	void set_camera_position(pugi::xml_node node);
281	void set_field_of_view(pugi::xml_node node);
282	void set_pixels(pugi::xml_node node);
283	void set_opacities(pugi::xml_node node);
284	void set_orthographic_width(pugi::xml_node node);
285	void set_wireframe_thickness(pugi::xml_node node);
286	void set_wireframe_ids(pugi::xml_node node);
287	void set_wireframe_color(pugi::xml_node node);
288
289	/* If starting the particle from outside the geometry, we have to
290	* find a distance to the boundary in a non-standard surface intersection
291	* check. It's an exhaustive search over surfaces in the top-level universe.
292	*/
293	static int advance_to_boundary_from_void(Particle& p);
294
295	/* Checks if a vector of two TrackSegments is equivalent. We define this
296	* to mean not having matching intersection lengths, but rather having
297	* a matching sequence of surface/cell/material intersections.
298	*/
299	struct TrackSegment;
300	bool trackstack_equivalent(const vector<TrackSegment>& track1,
301	const vector<TrackSegment>& track2) const;
302
303	/* Used for drawing wireframe and colors. We record the list of
304	* surface/cell/material intersections and the corresponding lengths as a ray
305	* traverses the geometry, then color by iterating in reverse.
306	*/
307	struct TrackSegment {
308	int id; // material or cell ID (which is being colored)
309	double length; // length of this track intersection
310
311	/* Recording this allows us to draw edges on the wireframe. For instance
312	* if two surfaces bound a single cell, it allows drawing that sharp edge
313	* where the surfaces intersect.
314	*/
315	int surface; // last surface ID intersected in this segment
316	TrackSegment(int id_a, double length_a, int surface_a)
317	: id(id_a), length(length_a), surface(surface_a)
318	{}
319	};
320
321	// Max intersections before we assume ray tracing is caught in an infinite
322	// loop:
323	static const int MAX_INTERSECTIONS = 1000000;
324
325	std::array<int, 2> pixels_; // pixel dimension of resulting image
326	double horizontal_field_of_view_ {70.0}; // horiz. f.o.v. in degrees
327	Position camera_position_; // where camera is
328	Position look_at_; // point camera is centered looking at
329	Direction up_ {0.0, 0.0, 1.0}; // which way is up
330
331	// which color IDs should be wireframed. If empty, all cells are wireframed.
332	vector<int> wireframe_ids_;
333
334	/* The horizontal thickness, if using an orthographic projection.
335	* If set to zero, we assume using a perspective projection.
336	*/
337	double orthographic_width_ {0.0};
338
339	// Thickness of the wireframe lines. Can set to zero for no wireframe.
340	int wireframe_thickness_ {1};
341
342	RGBColor wireframe_color_ {BLACK}; // wireframe color
343	vector<double> xs_; // macro cross section values for cell volume rendering
344	};
345
346	//===============================================================================
347	// Non-member functions
348	//===============================================================================
349
350	/* Write a PPM image
351	* filename - name of output file
352	* data - image data to write
353	*/
354	void output_ppm(const std::string& filename, const ImageData& data);
355
356	#ifdef USE_LIBPNG
357	/* Write a PNG image
358	* filename - name of output file
359	* data - image data to write
360	*/
361	void output_png(const std::string& filename, const ImageData& data);
362	#endif
363
364	//! Initialize a voxel file
365	//! \param[in] id of an open hdf5 file
366	//! \param[in] dimensions of the voxel file (dx, dy, dz)
367	//! \param[out] dataspace pointer to voxel data
368	//! \param[out] dataset pointer to voxesl data
369	//! \param[out] pointer to memory space of voxel data
370	void voxel_init(hid_t file_id, const hsize_t* dims, hid_t* dspace, hid_t* dset,
371	hid_t* memspace);
372
373	//! Write a section of the voxel data to hdf5
374	//! \param[in] voxel slice
375	//! \param[out] dataspace pointer to voxel data
376	//! \param[out] dataset pointer to voxesl data
377	//! \param[out] pointer to data to write
378	void voxel_write_slice(
379	int x, hid_t dspace, hid_t dset, hid_t memspace, void* buf);
380
381	//! Close voxel file entities
382	//! \param[in] data space to close
383	//! \param[in] dataset to close
384	//! \param[in] memory space to close
385	void voxel_finalize(hid_t dspace, hid_t dset, hid_t memspace);
386
387	//===============================================================================
388	// External functions
389	//===============================================================================
390
391	//! Read plot specifications from a plots.xml file
392	void read_plots_xml();
393
394	//! Read plot specifications from an XML Node
395	//! \param[in] XML node containing plot info
396	void read_plots_xml(pugi::xml_node root);
397
398	//! Clear memory
399	void free_memory_plot();
400
401	//! Create a randomly generated RGB color
402	//! \return RGBColor with random value
403	RGBColor random_color();
404
405	} // namespace openmc
406	#endif // OPENMC_PLOT_H

openmc-dev / openmc / 5939695269

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