Data.dataset(数据集) 模块¶
ppsci.data.dataset
¶
IterableNamedArrayDataset
¶
Bases: IterableDataset
IterableNamedArrayDataset for full-data loading.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
input |
Dict[str, ndarray]
|
Input dict. |
required |
label |
Optional[Dict[str, ndarray]]
|
Label dict. Defaults to None. |
None
|
weight |
Optional[Dict[str, ndarray]]
|
Weight dict. Defaults to None. |
None
|
transforms |
Optional[Compose]
|
Compose object contains sample wise transform(s). Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> input = {"x": np.random.randn(100, 1)}
>>> label = {"u": np.random.randn(100, 1)}
>>> weight = {"u": np.random.randn(100, 1)}
>>> dataset = ppsci.data.dataset.IterableNamedArrayDataset(input, label, weight)
Source code in ppsci/data/dataset/array_dataset.py
num_samples
property
¶
Number of samples within current dataset.
NamedArrayDataset
¶
Bases: Dataset
Class for Named Array Dataset.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
input |
Dict[str, ndarray]
|
Input dict. |
required |
label |
Optional[Dict[str, ndarray]]
|
Label dict. Defaults to None. |
None
|
weight |
Optional[Dict[str, ndarray]]
|
Weight dict. Defaults to None. |
None
|
transforms |
Optional[Compose]
|
Compose object contains sample wise transform(s). Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> input = {"x": np.random.randn(100, 1)}
>>> output = {"u": np.random.randn(100, 1)}
>>> weight = {"u": np.random.randn(100, 1)}
>>> dataset = ppsci.data.dataset.NamedArrayDataset(input, output, weight)
Source code in ppsci/data/dataset/array_dataset.py
CSVDataset
¶
Bases: Dataset
Dataset class for .csv file.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
CSV file path. |
required |
input_keys |
Tuple[str, ...]
|
List of input keys. |
required |
label_keys |
Tuple[str, ...]
|
List of label keys. |
required |
alias_dict |
Optional[Dict[str, str]]
|
Dict of alias(es) for input and label keys. i.e. {inner_key: outer_key}. Defaults to None. |
None
|
weight_dict |
Optional[Dict[str, Union[Callable, float]]]
|
Define the weight of each constraint variable. Defaults to None. |
None
|
timestamps |
Optional[Tuple[float, ...]]
|
The number of repetitions of the data in the time dimension. Defaults to None. |
None
|
transforms |
Optional[Compose]
|
Compose object contains sample wise transform(s). Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.CSVDataset(
... "/path/to/file.csv",
... ("x",),
... ("u",),
... )
Source code in ppsci/data/dataset/csv_dataset.py
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|
IterableCSVDataset
¶
Bases: IterableDataset
IterableCSVDataset for full-data loading.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
CSV file path. |
required |
input_keys |
Tuple[str, ...]
|
List of input keys. |
required |
label_keys |
Tuple[str, ...]
|
List of label keys. |
required |
alias_dict |
Optional[Dict[str, str]]
|
Dict of alias(es) for input and label keys. Defaults to None. |
None
|
weight_dict |
Optional[Dict[str, Union[Callable, float]]]
|
Define the weight of each constraint variable. Defaults to None. |
None
|
timestamps |
Optional[Tuple[float, ...]]
|
The number of repetitions of the data in the time dimension. Defaults to None. |
None
|
transforms |
Optional[Compose]
|
Compose object contains sample wise transform(s). Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.IterableCSVDataset(
... "/path/to/file.csv"
... ("x",),
... ("u",),
... )
Source code in ppsci/data/dataset/csv_dataset.py
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|
num_samples
property
¶
Number of samples within current dataset.
ERA5Dataset
¶
Bases: Dataset
Class for ERA5 dataset.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
Data set path. |
required |
input_keys |
Tuple[str, ...]
|
Input keys, such as ("input",). |
required |
label_keys |
Tuple[str, ...]
|
Output keys, such as ("output",). |
required |
precip_file_path |
Optional[str]
|
Precipitation data set path. Defaults to None. |
None
|
weight_dict |
Optional[Dict[str, float]]
|
Weight dictionary. Defaults to None. |
None
|
vars_channel |
Optional[Tuple[int, ...]]
|
The variable channel index in ERA5 dataset. Defaults to None. |
None
|
num_label_timestamps |
int
|
Number of timestamp of label. Defaults to 1. |
1
|
transforms |
Optional[Compose]
|
Compose object contains sample wise transform(s). Defaults to None. |
None
|
training |
bool
|
Whether in train mode. Defaults to True. |
True
|
stride |
int
|
Stride of sampling data. Defaults to 1. |
1
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.ERA5Dataset(
... "file_path": "/path/to/ERA5Dataset",
... "input_keys": ("input",),
... "label_keys": ("output",),
... )
Source code in ppsci/data/dataset/era5_dataset.py
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|
ERA5SampledDataset
¶
Bases: Dataset
Class for ERA5 sampled dataset.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
Data set path. |
required |
input_keys |
Tuple[str, ...]
|
Input keys, such as ("input",). |
required |
label_keys |
Tuple[str, ...]
|
Output keys, such as ("output",). |
required |
weight_dict |
Optional[Dict[str, float]]
|
Weight dictionary. Defaults to None. |
None
|
transforms |
Optional[Compose]
|
Compose object contains sample wise transform(s). Defaults to None. |
None
|
Examples: >>> import ppsci >>> dataset = ppsci.data.dataset.ERA5SampledDataset( ... "file_path": "/path/to/ERA5SampledDataset", ... "input_keys": ("input",), ... "label_keys": ("output",), ... ) # doctest: +SKIP
Source code in ppsci/data/dataset/era5_dataset.py
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|
IterableMatDataset
¶
Bases: IterableDataset
IterableMatDataset for full-data loading.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
Mat file path. |
required |
input_keys |
Tuple[str, ...]
|
List of input keys. |
required |
label_keys |
Tuple[str, ...]
|
List of label keys. Defaults to (). |
()
|
alias_dict |
Optional[Dict[str, str]]
|
Dict of alias(es) for input and label keys. i.e. {inner_key: outer_key}. Defaults to None. |
None
|
weight_dict |
Optional[Dict[str, Union[Callable, float]]]
|
Define the weight of each constraint variable. Defaults to None. |
None
|
timestamps |
Optional[Tuple[float, ...]]
|
The number of repetitions of the data in the time dimension. Defaults to None. |
None
|
transforms |
Optional[Compose]
|
Compose object contains sample wise transform(s). Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.IterableMatDataset(
... "/path/to/file.mat"
... ("x",),
... ("u",),
... )
Source code in ppsci/data/dataset/mat_dataset.py
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|
num_samples
property
¶
Number of samples within current dataset.
MatDataset
¶
Bases: Dataset
Dataset class for .mat file.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
Mat file path. |
required |
input_keys |
Tuple[str, ...]
|
List of input keys. |
required |
label_keys |
Tuple[str, ...]
|
List of label keys. Defaults to (). |
()
|
alias_dict |
Optional[Dict[str, str]]
|
Dict of alias(es) for input and label keys. i.e. {inner_key: outer_key}. Defaults to None. |
None
|
weight_dict |
Optional[Dict[str, Union[Callable, float]]]
|
Define the weight of each constraint variable. Defaults to None. |
None
|
timestamps |
Optional[Tuple[float, ...]]
|
The number of repetitions of the data in the time dimension. Defaults to None. |
None
|
transforms |
Optional[Compose]
|
Compose object contains sample wise transform(s). Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.MatDataset(
... "/path/to/file.mat"
... ("x",),
... ("u",),
... )
Source code in ppsci/data/dataset/mat_dataset.py
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|
IterableNPZDataset
¶
Bases: IterableDataset
IterableNPZDataset for full-data loading.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
Npz file path. |
required |
input_keys |
Tuple[str, ...]
|
List of input keys. |
required |
label_keys |
Tuple[str, ...]
|
List of label keys. Defaults to (). |
()
|
alias_dict |
Optional[Dict[str, str]]
|
Dict of alias(es) for input and label keys. i.e. {inner_key: outer_key}. Defaults to None. |
None
|
weight_dict |
Optional[Dict[str, Union[Callable, float]]]
|
Define the weight of each constraint variable. Defaults to None. |
None
|
timestamps |
Optional[Tuple[float, ...]]
|
The number of repetitions of the data in the time dimension. Defaults to None. |
None
|
transforms |
Optional[Compose]
|
Compose object contains sample wise transform(s). Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.IterableNPZDataset(
... "/path/to/file.npz"
... ("x",),
... ("u",),
... )
Source code in ppsci/data/dataset/npz_dataset.py
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|
num_samples
property
¶
Number of samples within current dataset.
NPZDataset
¶
Bases: Dataset
Dataset class for .npz file.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
Npz file path. |
required |
input_keys |
Tuple[str, ...]
|
List of input keys. |
required |
label_keys |
Tuple[str, ...]
|
List of label keys. Defaults to (). |
()
|
alias_dict |
Optional[Dict[str, str]]
|
Dict of alias(es) for input and label keys. i.e. {inner_key: outer_key}. Defaults to None. |
None
|
weight_dict |
Optional[Dict[str, Union[Callable, float]]]
|
Define the weight of each constraint variable. Defaults to None. |
None
|
timestamps |
Optional[Tuple[float, ...]]
|
The number of repetitions of the data in the time dimension. Defaults to None. |
None
|
transforms |
Optional[Compose]
|
Compose object contains sample wise transform(s). Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.NPZDataset(
... "/path/to/file.npz"
... ("x",),
... ("u",),
... )
Source code in ppsci/data/dataset/npz_dataset.py
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|
CylinderDataset
¶
Bases: Dataset
Dataset for training Cylinder model.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
Data set path. |
required |
input_keys |
Tuple[str, ...]
|
Input keys, such as ("states","visc"). |
required |
label_keys |
Tuple[str, ...]
|
Output keys, such as ("pred_states", "recover_states"). |
required |
block_size |
int
|
Data block size. |
required |
stride |
int
|
Data stride. |
required |
ndata |
Optional[int]
|
Number of data series to use. Defaults to None. |
None
|
weight_dict |
Optional[Dict[str, float]]
|
Weight dictionary. Defaults to None. |
None
|
embedding_model |
Optional[Arch]
|
Embedding model. Defaults to None. |
None
|
embedding_batch_size |
int
|
The batch size of embedding model. Defaults to 64. |
64
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.CylinderDataset(
... "file_path": "/path/to/CylinderDataset",
... "input_keys": ("x",),
... "label_keys": ("v",),
... "block_size": 32,
... "stride": 16,
... )
Source code in ppsci/data/dataset/trphysx_dataset.py
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|
LorenzDataset
¶
Bases: Dataset
Dataset for training Lorenz model.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
Data set path. |
required |
input_keys |
Tuple[str, ...]
|
Input keys, such as ("states",). |
required |
label_keys |
Tuple[str, ...]
|
Output keys, such as ("pred_states", "recover_states"). |
required |
block_size |
int
|
Data block size. |
required |
stride |
int
|
Data stride. |
required |
ndata |
Optional[int]
|
Number of data series to use. Defaults to None. |
None
|
weight_dict |
Optional[Dict[str, float]]
|
Weight dictionary. Defaults to None. |
None
|
embedding_model |
Optional[Arch]
|
Embedding model. Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.LorenzDataset(
... "file_path": "/path/to/LorenzDataset",
... "input_keys": ("x",),
... "label_keys": ("v",),
... "block_size": 32,
... "stride": 16,
... )
Source code in ppsci/data/dataset/trphysx_dataset.py
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|
RosslerDataset
¶
Bases: LorenzDataset
Dataset for training Rossler model.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
Data set path. |
required |
input_keys |
Tuple[str, ...]
|
Input keys, such as ("states",). |
required |
label_keys |
Tuple[str, ...]
|
Output keys, such as ("pred_states", "recover_states"). |
required |
block_size |
int
|
Data block size. |
required |
stride |
int
|
Data stride. |
required |
ndata |
Optional[int]
|
Number of data series to use. Defaults to None. |
None
|
weight_dict |
Optional[Dict[str, float]]
|
Weight dictionary. Defaults to None. |
None
|
embedding_model |
Optional[Arch]
|
Embedding model. Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.RosslerDataset(
... "file_path": "/path/to/RosslerDataset",
... "input_keys": ("x",),
... "label_keys": ("v",),
... "block_size": 32,
... "stride": 16,
... )
Source code in ppsci/data/dataset/trphysx_dataset.py
VtuDataset
¶
Bases: Dataset
Dataset class for .vtu file.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
file_path |
str
|
*.vtu file path. |
required |
input_keys |
Optional[Tuple[str, ...]]
|
Tuple of input keys. Defaults to None. |
None
|
label_keys |
Optional[Tuple[str, ...]]
|
Tuple of label keys. Defaults to None. |
None
|
time_step |
Optional[int]
|
Time step with unit second. Defaults to None. |
None
|
time_index |
Optional[Tuple[int, ...]]
|
Time index tuple in increasing order. |
None
|
labels |
Optional[Dict[str, float]]
|
Temporary variable for [load_vtk_with_time_file]. |
None
|
transforms |
Compose
|
Compose object contains sample wise. transform(s). |
None
|
Source code in ppsci/data/dataset/vtu_dataset.py
MeshAirfoilDataset
¶
Bases: Dataset
Dataset for MeshAirfoil
.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
input_keys |
Tuple[str, ...]
|
Name of input data. |
required |
label_keys |
Tuple[str, ...]
|
Name of label data. |
required |
data_dir |
str
|
Directory of MeshAirfoil data. |
required |
mesh_graph_path |
str
|
Path of mesh graph. |
required |
Source code in ppsci/data/dataset/airfoil_dataset.py
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|
MeshCylinderDataset
¶
Bases: Dataset
Dataset for MeshCylinder
.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
input_keys |
Tuple[str, ...]
|
Name of input data. |
required |
label_keys |
Tuple[str, ...]
|
Name of label data. |
required |
data_dir |
str
|
Directory of MeshCylinder data. |
required |
mesh_graph_path |
str
|
Path of mesh graph. |
required |
Source code in ppsci/data/dataset/cylinder_dataset.py
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|
RadarDataset
¶
Bases: Dataset
Class for Radar dataset.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
input_keys |
Tuple[str, ...]
|
Input keys, such as ("input",). |
required |
label_keys |
Tuple[str, ...]
|
Output keys, such as ("output",). |
required |
image_width |
int
|
Image width. |
required |
image_height |
int
|
Image height. |
required |
total_length |
int
|
Total length. |
required |
dataset_path |
str
|
Dataset path. |
required |
data_type |
str
|
Input and output data type. Defaults to paddle.get_default_dtype(). |
get_default_dtype()
|
weight_dict |
Optional[Dict[str, float]]
|
Weight dictionary. Defaults to None. |
None
|
Examples:
>>> import ppsci
>>> dataset = ppsci.data.dataset.RadarDataset(
... "input_keys": ("input",),
... "label_keys": ("output",),
... "image_width": 512,
... "image_height": 512,
... "total_length": 29,
... "dataset_path": "datasets/mrms/figure",
... "data_type": paddle.get_default_dtype(),
... )
Source code in ppsci/data/dataset/radar_dataset.py
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|
build_dataset(cfg)
¶
Build dataset
Parameters:
Name | Type | Description | Default |
---|---|---|---|
cfg |
List[AttrDict]
|
dataset config list. |
required |
Returns:
Type | Description |
---|---|
Dataset
|
Dict[str, io.Dataset]: dataset. |
Source code in ppsci/data/dataset/__init__.py
创建日期: November 6, 2023