|
| 1 | +""" |
| 2 | +apply_svd |
| 3 | +========= |
| 4 | +Autogenerated DPF operator classes. |
| 5 | +""" |
| 6 | + |
| 7 | +from warnings import warn |
| 8 | +from ansys.dpf.core.dpf_operator import Operator |
| 9 | +from ansys.dpf.core.inputs import Input, _Inputs |
| 10 | +from ansys.dpf.core.outputs import Output, _Outputs |
| 11 | +from ansys.dpf.core.operators.specification import PinSpecification, Specification |
| 12 | + |
| 13 | + |
| 14 | +class apply_svd(Operator): |
| 15 | + """Computes the coefficients (=U*Sigma) and VT components from SVD. |
| 16 | +
|
| 17 | + Parameters |
| 18 | + ---------- |
| 19 | + field_contaner_to_compress : FieldsContainer |
| 20 | + Fields container to be compressed |
| 21 | + scalar_int : int |
| 22 | + Number of vectors (r) to keep for the future |
| 23 | + reconstraction of the matrix a, ex. |
| 24 | + a[m,n]=coef[m,r]*vt[r,n], where |
| 25 | + coef=u*sigma |
| 26 | + scalar_double : float |
| 27 | + Threshold (precision) as a double, default |
| 28 | + value is 1e-7 |
| 29 | + boolean : bool |
| 30 | + Apply svd on the initial input data (true) or |
| 31 | + transposed (square matrix), default |
| 32 | + value is false |
| 33 | +
|
| 34 | +
|
| 35 | + Examples |
| 36 | + -------- |
| 37 | + >>> from ansys.dpf import core as dpf |
| 38 | +
|
| 39 | + >>> # Instantiate operator |
| 40 | + >>> op = dpf.operators.compression.apply_svd() |
| 41 | +
|
| 42 | + >>> # Make input connections |
| 43 | + >>> my_field_contaner_to_compress = dpf.FieldsContainer() |
| 44 | + >>> op.inputs.field_contaner_to_compress.connect(my_field_contaner_to_compress) |
| 45 | + >>> my_scalar_int = int() |
| 46 | + >>> op.inputs.scalar_int.connect(my_scalar_int) |
| 47 | + >>> my_scalar_double = float() |
| 48 | + >>> op.inputs.scalar_double.connect(my_scalar_double) |
| 49 | + >>> my_boolean = bool() |
| 50 | + >>> op.inputs.boolean.connect(my_boolean) |
| 51 | +
|
| 52 | + >>> # Instantiate operator and connect inputs in one line |
| 53 | + >>> op = dpf.operators.compression.apply_svd( |
| 54 | + ... field_contaner_to_compress=my_field_contaner_to_compress, |
| 55 | + ... scalar_int=my_scalar_int, |
| 56 | + ... scalar_double=my_scalar_double, |
| 57 | + ... boolean=my_boolean, |
| 58 | + ... ) |
| 59 | +
|
| 60 | + >>> # Get output data |
| 61 | + >>> result_us_svd = op.outputs.us_svd() |
| 62 | + >>> result_vt_svd = op.outputs.vt_svd() |
| 63 | + >>> result_sigma = op.outputs.sigma() |
| 64 | + """ |
| 65 | + |
| 66 | + def __init__( |
| 67 | + self, |
| 68 | + field_contaner_to_compress=None, |
| 69 | + scalar_int=None, |
| 70 | + scalar_double=None, |
| 71 | + boolean=None, |
| 72 | + config=None, |
| 73 | + server=None, |
| 74 | + ): |
| 75 | + super().__init__(name="svd_operator", config=config, server=server) |
| 76 | + self._inputs = InputsApplySvd(self) |
| 77 | + self._outputs = OutputsApplySvd(self) |
| 78 | + if field_contaner_to_compress is not None: |
| 79 | + self.inputs.field_contaner_to_compress.connect(field_contaner_to_compress) |
| 80 | + if scalar_int is not None: |
| 81 | + self.inputs.scalar_int.connect(scalar_int) |
| 82 | + if scalar_double is not None: |
| 83 | + self.inputs.scalar_double.connect(scalar_double) |
| 84 | + if boolean is not None: |
| 85 | + self.inputs.boolean.connect(boolean) |
| 86 | + |
| 87 | + @staticmethod |
| 88 | + def _spec(): |
| 89 | + description = ( |
| 90 | + """Computes the coefficients (=U*Sigma) and VT components from SVD.""" |
| 91 | + ) |
| 92 | + spec = Specification( |
| 93 | + description=description, |
| 94 | + map_input_pin_spec={ |
| 95 | + 0: PinSpecification( |
| 96 | + name="field_contaner_to_compress", |
| 97 | + type_names=["fields_container"], |
| 98 | + optional=False, |
| 99 | + document="""Fields container to be compressed""", |
| 100 | + ), |
| 101 | + 1: PinSpecification( |
| 102 | + name="scalar_int", |
| 103 | + type_names=["int32"], |
| 104 | + optional=False, |
| 105 | + document="""Number of vectors (r) to keep for the future |
| 106 | + reconstraction of the matrix a, ex. |
| 107 | + a[m,n]=coef[m,r]*vt[r,n], where |
| 108 | + coef=u*sigma""", |
| 109 | + ), |
| 110 | + 2: PinSpecification( |
| 111 | + name="scalar_double", |
| 112 | + type_names=["double"], |
| 113 | + optional=False, |
| 114 | + document="""Threshold (precision) as a double, default |
| 115 | + value is 1e-7""", |
| 116 | + ), |
| 117 | + 3: PinSpecification( |
| 118 | + name="boolean", |
| 119 | + type_names=["bool"], |
| 120 | + optional=False, |
| 121 | + document="""Apply svd on the initial input data (true) or |
| 122 | + transposed (square matrix), default |
| 123 | + value is false""", |
| 124 | + ), |
| 125 | + }, |
| 126 | + map_output_pin_spec={ |
| 127 | + 0: PinSpecification( |
| 128 | + name="us_svd", |
| 129 | + type_names=["fields_container"], |
| 130 | + optional=False, |
| 131 | + document="""The output entity is a field container (time |
| 132 | + dependant); it contains the |
| 133 | + multiplication of two matrices, u and |
| 134 | + s, where a=u.s.vt""", |
| 135 | + ), |
| 136 | + 1: PinSpecification( |
| 137 | + name="vt_svd", |
| 138 | + type_names=["fields_container"], |
| 139 | + optional=False, |
| 140 | + document="""The output entity is a field container (space |
| 141 | + dependant), containing the vt, where |
| 142 | + a=u.s.vt""", |
| 143 | + ), |
| 144 | + 2: PinSpecification( |
| 145 | + name="sigma", |
| 146 | + type_names=["field"], |
| 147 | + optional=False, |
| 148 | + document="""The output entity is a field, containing |
| 149 | + singular (s) values of the input |
| 150 | + data, where a=u.s.vt""", |
| 151 | + ), |
| 152 | + }, |
| 153 | + ) |
| 154 | + return spec |
| 155 | + |
| 156 | + @staticmethod |
| 157 | + def default_config(server=None): |
| 158 | + """Returns the default config of the operator. |
| 159 | +
|
| 160 | + This config can then be changed to the user needs and be used to |
| 161 | + instantiate the operator. The Configuration allows to customize |
| 162 | + how the operation will be processed by the operator. |
| 163 | +
|
| 164 | + Parameters |
| 165 | + ---------- |
| 166 | + server : server.DPFServer, optional |
| 167 | + Server with channel connected to the remote or local instance. When |
| 168 | + ``None``, attempts to use the global server. |
| 169 | + """ |
| 170 | + return Operator.default_config(name="svd_operator", server=server) |
| 171 | + |
| 172 | + @property |
| 173 | + def inputs(self): |
| 174 | + """Enables to connect inputs to the operator |
| 175 | +
|
| 176 | + Returns |
| 177 | + -------- |
| 178 | + inputs : InputsApplySvd |
| 179 | + """ |
| 180 | + return super().inputs |
| 181 | + |
| 182 | + @property |
| 183 | + def outputs(self): |
| 184 | + """Enables to get outputs of the operator by evaluating it |
| 185 | +
|
| 186 | + Returns |
| 187 | + -------- |
| 188 | + outputs : OutputsApplySvd |
| 189 | + """ |
| 190 | + return super().outputs |
| 191 | + |
| 192 | + |
| 193 | +class InputsApplySvd(_Inputs): |
| 194 | + """Intermediate class used to connect user inputs to |
| 195 | + apply_svd operator. |
| 196 | +
|
| 197 | + Examples |
| 198 | + -------- |
| 199 | + >>> from ansys.dpf import core as dpf |
| 200 | + >>> op = dpf.operators.compression.apply_svd() |
| 201 | + >>> my_field_contaner_to_compress = dpf.FieldsContainer() |
| 202 | + >>> op.inputs.field_contaner_to_compress.connect(my_field_contaner_to_compress) |
| 203 | + >>> my_scalar_int = int() |
| 204 | + >>> op.inputs.scalar_int.connect(my_scalar_int) |
| 205 | + >>> my_scalar_double = float() |
| 206 | + >>> op.inputs.scalar_double.connect(my_scalar_double) |
| 207 | + >>> my_boolean = bool() |
| 208 | + >>> op.inputs.boolean.connect(my_boolean) |
| 209 | + """ |
| 210 | + |
| 211 | + def __init__(self, op: Operator): |
| 212 | + super().__init__(apply_svd._spec().inputs, op) |
| 213 | + self._field_contaner_to_compress = Input( |
| 214 | + apply_svd._spec().input_pin(0), 0, op, -1 |
| 215 | + ) |
| 216 | + self._inputs.append(self._field_contaner_to_compress) |
| 217 | + self._scalar_int = Input(apply_svd._spec().input_pin(1), 1, op, -1) |
| 218 | + self._inputs.append(self._scalar_int) |
| 219 | + self._scalar_double = Input(apply_svd._spec().input_pin(2), 2, op, -1) |
| 220 | + self._inputs.append(self._scalar_double) |
| 221 | + self._boolean = Input(apply_svd._spec().input_pin(3), 3, op, -1) |
| 222 | + self._inputs.append(self._boolean) |
| 223 | + |
| 224 | + @property |
| 225 | + def field_contaner_to_compress(self): |
| 226 | + """Allows to connect field_contaner_to_compress input to the operator. |
| 227 | +
|
| 228 | + Fields container to be compressed |
| 229 | +
|
| 230 | + Parameters |
| 231 | + ---------- |
| 232 | + my_field_contaner_to_compress : FieldsContainer |
| 233 | +
|
| 234 | + Examples |
| 235 | + -------- |
| 236 | + >>> from ansys.dpf import core as dpf |
| 237 | + >>> op = dpf.operators.compression.apply_svd() |
| 238 | + >>> op.inputs.field_contaner_to_compress.connect(my_field_contaner_to_compress) |
| 239 | + >>> # or |
| 240 | + >>> op.inputs.field_contaner_to_compress(my_field_contaner_to_compress) |
| 241 | + """ |
| 242 | + return self._field_contaner_to_compress |
| 243 | + |
| 244 | + @property |
| 245 | + def scalar_int(self): |
| 246 | + """Allows to connect scalar_int input to the operator. |
| 247 | +
|
| 248 | + Number of vectors (r) to keep for the future |
| 249 | + reconstraction of the matrix a, ex. |
| 250 | + a[m,n]=coef[m,r]*vt[r,n], where |
| 251 | + coef=u*sigma |
| 252 | +
|
| 253 | + Parameters |
| 254 | + ---------- |
| 255 | + my_scalar_int : int |
| 256 | +
|
| 257 | + Examples |
| 258 | + -------- |
| 259 | + >>> from ansys.dpf import core as dpf |
| 260 | + >>> op = dpf.operators.compression.apply_svd() |
| 261 | + >>> op.inputs.scalar_int.connect(my_scalar_int) |
| 262 | + >>> # or |
| 263 | + >>> op.inputs.scalar_int(my_scalar_int) |
| 264 | + """ |
| 265 | + return self._scalar_int |
| 266 | + |
| 267 | + @property |
| 268 | + def scalar_double(self): |
| 269 | + """Allows to connect scalar_double input to the operator. |
| 270 | +
|
| 271 | + Threshold (precision) as a double, default |
| 272 | + value is 1e-7 |
| 273 | +
|
| 274 | + Parameters |
| 275 | + ---------- |
| 276 | + my_scalar_double : float |
| 277 | +
|
| 278 | + Examples |
| 279 | + -------- |
| 280 | + >>> from ansys.dpf import core as dpf |
| 281 | + >>> op = dpf.operators.compression.apply_svd() |
| 282 | + >>> op.inputs.scalar_double.connect(my_scalar_double) |
| 283 | + >>> # or |
| 284 | + >>> op.inputs.scalar_double(my_scalar_double) |
| 285 | + """ |
| 286 | + return self._scalar_double |
| 287 | + |
| 288 | + @property |
| 289 | + def boolean(self): |
| 290 | + """Allows to connect boolean input to the operator. |
| 291 | +
|
| 292 | + Apply svd on the initial input data (true) or |
| 293 | + transposed (square matrix), default |
| 294 | + value is false |
| 295 | +
|
| 296 | + Parameters |
| 297 | + ---------- |
| 298 | + my_boolean : bool |
| 299 | +
|
| 300 | + Examples |
| 301 | + -------- |
| 302 | + >>> from ansys.dpf import core as dpf |
| 303 | + >>> op = dpf.operators.compression.apply_svd() |
| 304 | + >>> op.inputs.boolean.connect(my_boolean) |
| 305 | + >>> # or |
| 306 | + >>> op.inputs.boolean(my_boolean) |
| 307 | + """ |
| 308 | + return self._boolean |
| 309 | + |
| 310 | + |
| 311 | +class OutputsApplySvd(_Outputs): |
| 312 | + """Intermediate class used to get outputs from |
| 313 | + apply_svd operator. |
| 314 | +
|
| 315 | + Examples |
| 316 | + -------- |
| 317 | + >>> from ansys.dpf import core as dpf |
| 318 | + >>> op = dpf.operators.compression.apply_svd() |
| 319 | + >>> # Connect inputs : op.inputs. ... |
| 320 | + >>> result_us_svd = op.outputs.us_svd() |
| 321 | + >>> result_vt_svd = op.outputs.vt_svd() |
| 322 | + >>> result_sigma = op.outputs.sigma() |
| 323 | + """ |
| 324 | + |
| 325 | + def __init__(self, op: Operator): |
| 326 | + super().__init__(apply_svd._spec().outputs, op) |
| 327 | + self._us_svd = Output(apply_svd._spec().output_pin(0), 0, op) |
| 328 | + self._outputs.append(self._us_svd) |
| 329 | + self._vt_svd = Output(apply_svd._spec().output_pin(1), 1, op) |
| 330 | + self._outputs.append(self._vt_svd) |
| 331 | + self._sigma = Output(apply_svd._spec().output_pin(2), 2, op) |
| 332 | + self._outputs.append(self._sigma) |
| 333 | + |
| 334 | + @property |
| 335 | + def us_svd(self): |
| 336 | + """Allows to get us_svd output of the operator |
| 337 | +
|
| 338 | + Returns |
| 339 | + ---------- |
| 340 | + my_us_svd : FieldsContainer |
| 341 | +
|
| 342 | + Examples |
| 343 | + -------- |
| 344 | + >>> from ansys.dpf import core as dpf |
| 345 | + >>> op = dpf.operators.compression.apply_svd() |
| 346 | + >>> # Connect inputs : op.inputs. ... |
| 347 | + >>> result_us_svd = op.outputs.us_svd() |
| 348 | + """ # noqa: E501 |
| 349 | + return self._us_svd |
| 350 | + |
| 351 | + @property |
| 352 | + def vt_svd(self): |
| 353 | + """Allows to get vt_svd output of the operator |
| 354 | +
|
| 355 | + Returns |
| 356 | + ---------- |
| 357 | + my_vt_svd : FieldsContainer |
| 358 | +
|
| 359 | + Examples |
| 360 | + -------- |
| 361 | + >>> from ansys.dpf import core as dpf |
| 362 | + >>> op = dpf.operators.compression.apply_svd() |
| 363 | + >>> # Connect inputs : op.inputs. ... |
| 364 | + >>> result_vt_svd = op.outputs.vt_svd() |
| 365 | + """ # noqa: E501 |
| 366 | + return self._vt_svd |
| 367 | + |
| 368 | + @property |
| 369 | + def sigma(self): |
| 370 | + """Allows to get sigma output of the operator |
| 371 | +
|
| 372 | + Returns |
| 373 | + ---------- |
| 374 | + my_sigma : Field |
| 375 | +
|
| 376 | + Examples |
| 377 | + -------- |
| 378 | + >>> from ansys.dpf import core as dpf |
| 379 | + >>> op = dpf.operators.compression.apply_svd() |
| 380 | + >>> # Connect inputs : op.inputs. ... |
| 381 | + >>> result_sigma = op.outputs.sigma() |
| 382 | + """ # noqa: E501 |
| 383 | + return self._sigma |
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