20034174518

Committed 08 Dec 2025 03:54PM UTC coverage: 82.113% (+0.01%) from 82.1%

Build # 20034174518

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push

github

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web-flow

Commit Message

Allowing model.id_map to return overlap ID values (#3669)

Co-authored-by: Paul Romano <paul.k.romano@gmail.com>

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76.86

/openmc/lib/plot.py

from ctypes import (c_bool, c_int, c_size_t, c_int32,
                    c_double, Structure, POINTER)

from . import _dll
from .error import _error_handler

import numpy as np


class _Position(Structure):
    """Definition of an xyz location in space with underlying c-types

    C-type Attributes
    -----------------
    x : c_double
        Position's x value (default: 0.0)
    y : c_double
        Position's y value (default: 0.0)
    z : c_double
        Position's z value (default: 0.0)
    """
    _fields_ = [('x', c_double),
                ('y', c_double),
                ('z', c_double)]

    def __getitem__(self, idx):
        if idx == 0:
            return self.x
        elif idx == 1:
            return self.y
        elif idx == 2:
            return self.z
        else:
            raise IndexError(f"{idx} index is invalid for _Position")

    def __setitem__(self, idx, val):
        if idx == 0:
            self.x = val
        elif idx == 1:
            self.y = val
        elif idx == 2:
            self.z = val
        else:
            raise IndexError(f"{idx} index is invalid for _Position")

    def __repr__(self):
        return f"({self.x}, {self.y}, {self.z})"


class _PlotBase(Structure):
    """A structure defining a 2-D geometry slice with underlying c-types

    C-Type Attributes
    -----------------
    origin_ : openmc.lib.plot._Position
        A position defining the origin of the plot.
    width_ : openmc.lib.plot._Position
        The width of the plot along the x, y, and z axes, respectively
    basis_ : c_int
        The axes basis of the plot view.
    pixels_ : c_size_t[3]
        The resolution of the plot in the horizontal and vertical dimensions
    color_overlaps_ : c_bool
        Whether to assign unique IDs (-3) to overlapping regions.
    level_ : c_int
        The universe level for the plot view

    Attributes
    ----------
    origin : tuple or list of ndarray
        Origin (center) of the plot
    width : float
        The horizontal dimension of the plot in geometry units (cm)
    height : float
        The vertical dimension of the plot in geometry units (cm)
    basis : string
        One of {'xy', 'xz', 'yz'} indicating the horizontal and vertical
        axes of the plot.
    h_res : int
        The horizontal resolution of the plot in pixels
    v_res : int
        The vertical resolution of the plot in pixels
    level : int
        The universe level for the plot (default: -1 -> all universes shown)
    """
    _fields_ = [('origin_', _Position),
                ('width_', _Position),
                ('basis_', c_int),
                ('pixels_', 3*c_size_t),
                ('color_overlaps_', c_bool),
                ('level_', c_int)]

    def __init__(self):
        self.level_ = -1
        self.basis_ = 1
        self.color_overlaps_ = False

    @property
    def origin(self):
        return self.origin_

    @origin.setter
    def origin(self, origin):
        self.origin_.x = origin[0]
        self.origin_.y = origin[1]
        self.origin_.z = origin[2]

    @property
    def width(self):
        return self.width_.x

    @width.setter
    def width(self, width):
        self.width_.x = width

    @property
    def height(self):
        return self.width_.y

    @height.setter
    def height(self, height):
        self.width_.y = height

    @property
    def basis(self):
        if self.basis_ == 1:
            return 'xy'
        elif self.basis_ == 2:
            return 'xz'
        elif self.basis_ == 3:
            return 'yz'

        raise ValueError(f"Plot basis {self.basis_} is invalid")

    @basis.setter
    def basis(self, basis):
        if isinstance(basis, str):
            valid_bases = ('xy', 'xz', 'yz')
            basis = basis.lower()
            if basis not in valid_bases:
                raise ValueError(f"{basis} is not a valid plot basis.")

            if basis == 'xy':
                self.basis_ = 1
            elif basis == 'xz':
                self.basis_ = 2
            elif basis == 'yz':
                self.basis_ = 3
            return

        if isinstance(basis, int):
            valid_bases = (1, 2, 3)
            if basis not in valid_bases:
                raise ValueError(f"{basis} is not a valid plot basis.")
            self.basis_ = basis
            return

        raise ValueError(f"{basis} of type {type(basis)} is an invalid plot basis")

    @property
    def h_res(self):
        return self.pixels_[0]

    @h_res.setter
    def h_res(self, h_res):
        self.pixels_[0] = h_res

    @property
    def v_res(self):
        return self.pixels_[1]

    @v_res.setter
    def v_res(self, v_res):
        self.pixels_[1] = v_res

    @property
    def level(self):
        return int(self.level_)

    @level.setter
    def level(self, level):
        self.level_ = level

    @property
    def color_overlaps(self):
        return self.color_overlaps_

    @color_overlaps.setter
    def color_overlaps(self, color_overlaps):
        self.color_overlaps_ = color_overlaps

    def __repr__(self):
        out_str = ["-----",
                   "Plot:",
                   "-----",
                   f"Origin: {self.origin}",
                   f"Width: {self.width}",
                   f"Height: {self.height}",
                   f"Basis: {self.basis}",
                   f"HRes: {self.h_res}",
                   f"VRes: {self.v_res}",
                   f"Color Overlaps: {self.color_overlaps}",
                   f"Level: {self.level}"]
        return '\n'.join(out_str)


_dll.openmc_id_map.argtypes = [POINTER(_PlotBase), POINTER(c_int32)]
_dll.openmc_id_map.restype = c_int
_dll.openmc_id_map.errcheck = _error_handler


def id_map(plot):
    """
    Generate a 2-D map of cell and material IDs. Used for in-memory image
    generation.

    Parameters
    ----------
    plot : openmc.lib.plot._PlotBase
        Object describing the slice of the model to be generated

    Returns
    -------
    id_map : numpy.ndarray
        A NumPy array with shape (vertical pixels, horizontal pixels, 3) of
        OpenMC property ids with dtype int32. The last dimension of the array
        contains, in order, cell IDs, cell instances, and material IDs.

    """
    img_data = np.zeros((plot.v_res, plot.h_res, 3),
                        dtype=np.dtype('int32'))
    _dll.openmc_id_map(plot, img_data.ctypes.data_as(POINTER(c_int32)))
    return img_data


_dll.openmc_property_map.argtypes = [POINTER(_PlotBase), POINTER(c_double)]
_dll.openmc_property_map.restype = c_int
_dll.openmc_property_map.errcheck = _error_handler


def property_map(plot):
    """
    Generate a 2-D map of cell temperatures and material densities. Used for
    in-memory image generation.

    Parameters
    ----------
    plot : openmc.lib.plot._PlotBase
        Object describing the slice of the model to be generated

    Returns
    -------
    property_map : numpy.ndarray
        A NumPy array with shape (vertical pixels, horizontal pixels, 2) of
        OpenMC property ids with dtype float

    """
    prop_data = np.zeros((plot.v_res, plot.h_res, 2))
    _dll.openmc_property_map(plot, prop_data.ctypes.data_as(POINTER(c_double)))
    return prop_data

1	from ctypes import (c_bool, c_int, c_size_t, c_int32,	11✔
2	c_double, Structure, POINTER)
3
4	from . import _dll	11✔
5	from .error import _error_handler	11✔
6
7	import numpy as np	11✔
8
9
10	class _Position(Structure):	11✔
11	"""Definition of an xyz location in space with underlying c-types
12
13	C-type Attributes
14	-----------------
15	x : c_double
16	Position's x value (default: 0.0)
17	y : c_double
18	Position's y value (default: 0.0)
19	z : c_double
20	Position's z value (default: 0.0)
21	"""
22	_fields_ = [('x', c_double),	11✔
23	('y', c_double),
24	('z', c_double)]
25
26	def __getitem__(self, idx):	11✔
27	if idx == 0:	11✔
28	return self.x	11✔
29	elif idx == 1:	11✔
30	return self.y	11✔
31	elif idx == 2:	11✔
32	return self.z	11✔
33	else:
34	raise IndexError(f"{idx} index is invalid for _Position")	11✔
35
36	def __setitem__(self, idx, val):	11✔
37	if idx == 0:	11✔
38	self.x = val	11✔
39	elif idx == 1:	11✔
40	self.y = val	11✔
41	elif idx == 2:	11✔
42	self.z = val	11✔
43	else:
44	raise IndexError(f"{idx} index is invalid for _Position")	×
45
46	def __repr__(self):	11✔
47	return f"({self.x}, {self.y}, {self.z})"	×
48
49
50	class _PlotBase(Structure):	11✔
51	"""A structure defining a 2-D geometry slice with underlying c-types
52
53	C-Type Attributes
54	-----------------
55	origin_ : openmc.lib.plot._Position
56	A position defining the origin of the plot.
57	width_ : openmc.lib.plot._Position
58	The width of the plot along the x, y, and z axes, respectively
59	basis_ : c_int
60	The axes basis of the plot view.
61	pixels_ : c_size_t[3]
62	The resolution of the plot in the horizontal and vertical dimensions
63	color_overlaps_ : c_bool
64	Whether to assign unique IDs (-3) to overlapping regions.
65	level_ : c_int
66	The universe level for the plot view
67
68	Attributes
69	----------
70	origin : tuple or list of ndarray
71	Origin (center) of the plot
72	width : float
73	The horizontal dimension of the plot in geometry units (cm)
74	height : float
75	The vertical dimension of the plot in geometry units (cm)
76	basis : string
77	One of {'xy', 'xz', 'yz'} indicating the horizontal and vertical
78	axes of the plot.
79	h_res : int
80	The horizontal resolution of the plot in pixels
81	v_res : int
82	The vertical resolution of the plot in pixels
83	level : int
84	The universe level for the plot (default: -1 -> all universes shown)
85	"""
86	_fields_ = [('origin_', _Position),	11✔
87	('width_', _Position),
88	('basis_', c_int),
89	('pixels_', 3*c_size_t),
90	('color_overlaps_', c_bool),
91	('level_', c_int)]
92
93	def __init__(self):	11✔
94	self.level_ = -1	11✔
95	self.basis_ = 1	11✔
96	self.color_overlaps_ = False	11✔
97
98	@property	11✔
99	def origin(self):	11✔
100	return self.origin_	×
101
102	@origin.setter	11✔
103	def origin(self, origin):	11✔
104	self.origin_.x = origin[0]	11✔
105	self.origin_.y = origin[1]	11✔
106	self.origin_.z = origin[2]	11✔
107
108	@property	11✔
109	def width(self):	11✔
110	return self.width_.x	×
111
112	@width.setter	11✔
113	def width(self, width):	11✔
114	self.width_.x = width	11✔
115
116	@property	11✔
117	def height(self):	11✔
118	return self.width_.y	×
119
120	@height.setter	11✔
121	def height(self, height):	11✔
122	self.width_.y = height	11✔
123
124	@property	11✔
125	def basis(self):	11✔
126	if self.basis_ == 1:	×
127	return 'xy'	×
128	elif self.basis_ == 2:	×
129	return 'xz'	×
130	elif self.basis_ == 3:	×
131	return 'yz'	×
132
133	raise ValueError(f"Plot basis {self.basis_} is invalid")	×
134
135	@basis.setter	11✔
136	def basis(self, basis):	11✔
137	if isinstance(basis, str):	11✔
138	valid_bases = ('xy', 'xz', 'yz')	11✔
139	basis = basis.lower()	11✔
140	if basis not in valid_bases:	11✔
141	raise ValueError(f"{basis} is not a valid plot basis.")	×
142
143	if basis == 'xy':	11✔
144	self.basis_ = 1	11✔
145	elif basis == 'xz':	×
146	self.basis_ = 2	×
147	elif basis == 'yz':	×
148	self.basis_ = 3	×
149	return	11✔
150
151	if isinstance(basis, int):	×
152	valid_bases = (1, 2, 3)	×
153	if basis not in valid_bases:	×
154	raise ValueError(f"{basis} is not a valid plot basis.")	×
155	self.basis_ = basis	×
156	return	×
157
158	raise ValueError(f"{basis} of type {type(basis)} is an invalid plot basis")	×
159
160	@property	11✔
161	def h_res(self):	11✔
162	return self.pixels_[0]	11✔
163
164	@h_res.setter	11✔
165	def h_res(self, h_res):	11✔
166	self.pixels_[0] = h_res	11✔
167
168	@property	11✔
169	def v_res(self):	11✔
170	return self.pixels_[1]	11✔
171
172	@v_res.setter	11✔
173	def v_res(self, v_res):	11✔
174	self.pixels_[1] = v_res	11✔
175
176	@property	11✔
177	def level(self):	11✔
178	return int(self.level_)	×
179
180	@level.setter	11✔
181	def level(self, level):	11✔
182	self.level_ = level	11✔
183
184	@property	11✔
185	def color_overlaps(self):	11✔
186	return self.color_overlaps_	×
187
188	@color_overlaps.setter	11✔
189	def color_overlaps(self, color_overlaps):	11✔
190	self.color_overlaps_ = color_overlaps	11✔
191
192	def __repr__(self):	11✔
UNCOV 193	out_str = ["-----",	×
194	"Plot:",
195	"-----",
196	f"Origin: {self.origin}",
197	f"Width: {self.width}",
198	f"Height: {self.height}",
199	f"Basis: {self.basis}",
200	f"HRes: {self.h_res}",
201	f"VRes: {self.v_res}",
202	f"Color Overlaps: {self.color_overlaps}",
203	f"Level: {self.level}"]
204	return '\n'.join(out_str)	×
205
206
207	_dll.openmc_id_map.argtypes = [POINTER(_PlotBase), POINTER(c_int32)]	11✔
208	_dll.openmc_id_map.restype = c_int	11✔
209	_dll.openmc_id_map.errcheck = _error_handler	11✔
210
211
212	def id_map(plot):	11✔
213	"""
214	Generate a 2-D map of cell and material IDs. Used for in-memory image
215	generation.
216
217	Parameters
218	----------
219	plot : openmc.lib.plot._PlotBase
220	Object describing the slice of the model to be generated
221
222	Returns
223	-------
224	id_map : numpy.ndarray
225	A NumPy array with shape (vertical pixels, horizontal pixels, 3) of
226	OpenMC property ids with dtype int32. The last dimension of the array
227	contains, in order, cell IDs, cell instances, and material IDs.
228
229	"""
230	img_data = np.zeros((plot.v_res, plot.h_res, 3),	11✔
231	dtype=np.dtype('int32'))
232	_dll.openmc_id_map(plot, img_data.ctypes.data_as(POINTER(c_int32)))	11✔
233	return img_data	11✔
234
235
236	_dll.openmc_property_map.argtypes = [POINTER(_PlotBase), POINTER(c_double)]	11✔
237	_dll.openmc_property_map.restype = c_int	11✔
238	_dll.openmc_property_map.errcheck = _error_handler	11✔
239
240
241	def property_map(plot):	11✔
242	"""
243	Generate a 2-D map of cell temperatures and material densities. Used for
244	in-memory image generation.
245
246	Parameters
247	----------
248	plot : openmc.lib.plot._PlotBase
249	Object describing the slice of the model to be generated
250
251	Returns
252	-------
253	property_map : numpy.ndarray
254	A NumPy array with shape (vertical pixels, horizontal pixels, 2) of
255	OpenMC property ids with dtype float
256
257	"""
258	prop_data = np.zeros((plot.v_res, plot.h_res, 2))	11✔
259	_dll.openmc_property_map(plot, prop_data.ctypes.data_as(POINTER(c_double)))	11✔
260	return prop_data	11✔

openmc-dev / openmc / 20034174518

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