The CPHD 1.0 Channel object¶

The Channel definition.

class sarpy.io.phase_history.cphd1_elements.Channel.PolarizationRefType(AmpH: float = None, AmpV: float = None, PhaseV: float = None, **kwargs)¶

Bases: Serializable, Arrayable

Polarization reference type.

AmpH: float¶

E-field relative amplitude in H direction Must be in the range [0.0, 1.0] Required.

Type:: float

AmpV: float¶

E-field relative amplitude in V direction Must be in the range [0.0, 1.0] Required.

Type:: float

PhaseV: float¶

Relative phase of the V E-field relative to the H E-field Must be in the range [-0.5, 0.5] Required.

Type:: float

get_array(dtype=<class 'numpy.float64'>) → ndarray¶

Gets an array representation of the class instance.

Parameters:: dtype (str|numpy.dtype|numpy.number) – numpy data type of the return
Returns:: array of the form [AmpH, AmpV, PhaseV]
Return type:: numpy.ndarray

classmethod from_array(array: ndarray)¶

Construct from an iterable.

Parameters:: array (numpy.ndarray|list|tuple) –
Return type:: PolarizationRefType

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

Bases: Serializable

Polarization(s) of the signals that formed the signal array.

TxPol: str¶

Transmitted signal polarization for the channel. Takes values in ('H', 'V', 'X', 'Y', 'S', 'E', 'RHC', 'LHC', 'UNSPECIFIED'). Required.

Type:: str

RcvPol: str¶

Receive polarization for the channel. Takes values in ('H', 'V', 'X', 'Y', 'S', 'E', 'RHC', 'LHC', 'UNSPECIFIED'). Required.

Type:: str

TxPolRef: PolarizationRefType | None¶

Optional.

Type:: PolarizationRefType

RcvPolRef: PolarizationRefType | None¶

Optional.

Type:: PolarizationRefType

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

class sarpy.io.phase_history.cphd1_elements.Channel.LFMEclipseType(FxEarlyLow=None, FxEarlyHigh=None, FxLateLow=None, FxLateHigh=None, **kwargs)¶

Bases: Serializable

The LFM Eclipse definition.

FxEarlyLow: float¶

FX domain minimum frequency value for an echo at \(\Delta TOA = \Delta TOAE1 < \Delta TOA1\), in Hz. Must be in the range [0, None] Required.

Type:: float

FxEarlyHigh: float¶

FX domain maximum frequency value for an echo at \(\Delta TOA = \Delta TOAE1 < \Delta TOA1\), in Hz. Must be in the range [0, None] Required.

Type:: float

FxLateLow: float¶

FX domain minimum frequency value for an echo at \(\Delta TOA = \Delta TOAE2 < \Delta TOA2\), in Hz. Must be in the range [0, None] Required.

Type:: float

FxLateHigh: float¶

FX domain maximum frequency value for echo at \(\Delta TOA = \Delta TOAE2 < \Delta TOA2\), in Hz. Must be in the range [0, None] Required.

Type:: float

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

class sarpy.io.phase_history.cphd1_elements.Channel.TOAExtendedType(TOAExtSaved=None, LFMEclipse=None, **kwargs)¶

Bases: Serializable

The time-of-arrival (TOA) extended swath information.

TOAExtSaved: float¶

TOA extended swath saved that includes both full and partially eclipsed echoes. Must be in the range [0, None] Required.

Type:: float

LFMEclipse: None | LFMEclipseType¶

Parameters that describe the FX domain signal content for partially eclipsed echoes when the collection is performed with a Linear FM waveform. Optional.

Type:: LFMEclipseType

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

class sarpy.io.phase_history.cphd1_elements.Channel.DwellTimesType(CODId=None, DwellId=None, DTAId=None, UseDTA=None, **kwargs)¶

Bases: Serializable

COD Time and Dwell Time polynomials over the image area.

CODId: str¶

Identifier of the Center of Dwell Time polynomial that maps reference surface position to COD time. Required.

Type:: str

DwellId: str¶

Identifier of the Dwell Time polynomial that maps reference surface position to dwell time. Required.

Type:: str

DTAId: str | None¶

Optional.

Type:: str

UseDTA: bool | None¶

Optional.

Type:: bool

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

class sarpy.io.phase_history.cphd1_elements.Channel.AntennaType(TxAPCId=None, TxAPATId=None, RcvAPCId=None, RcvAPATId=None, **kwargs)¶

Bases: Serializable

Antenna Phase Center and Antenna Pattern identifiers for the antenna(s) used to collect and form the signal array data.

TxAPCId: str¶

Identifier of Transmit APC to be used to compute the transmit antenna pattern as a function of time for the channel. Required.

Type:: str

TxAPATId: str¶

Identifier of Transmit Antenna pattern used to form the channel signal array. Required.

Type:: str

RcvAPCId: str¶

Identifier of Receive APC to be used to compute the receive antenna pattern as a function of time for the channel. Required.

Type:: str

RcvAPATId: str¶

Identifier of Receive Antenna pattern used to form the channel. Required.

Type:: str

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

class sarpy.io.phase_history.cphd1_elements.Channel.TxRcvType(TxWFId=None, RcvId=None, **kwargs)¶

Bases: Serializable

Parameters to identify the Transmit and Receive parameter sets used to collect the signal array.

TxWFId: List[str]¶

Identifier of the Transmit Waveform parameter set(s) that were used. Must have length exactly 1. Required.

Type:: List[str]

RcvId: List[str]¶

Identifier of the Receive Parameter set(s) that were used. Must have length exactly 1. Required.

Type:: List[str]

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

class sarpy.io.phase_history.cphd1_elements.Channel.TgtRefLevelType(PTRef=None, **kwargs)¶

Bases: Serializable

Signal level for an ideal point scatterer located at the SRP for reference signal vector.

PTRef: float¶

Target power level for a 1.0 square meter ideal point scatterer located at the SRP. For FX Domain signal arrays, PTRef is the signal level at \(fx = fx_C\). For TOA Domain, PTRef is the peak signal level at \(\Delta TOA = 0\), and \(Power = |Signal|^2\). Must be in the range [0, None] Required.

Type:: float

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

class sarpy.io.phase_history.cphd1_elements.Channel.FxPNPointType(Fx=None, PN=None, **kwargs)¶

Bases: Serializable

Points that describe the noise profile.

Fx: float¶

Frequency value of this noise profile point, in Hz. Required.

Type:: float

PN: float¶

Power level of this noise profile point. Required.

Type:: float

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

class sarpy.io.phase_history.cphd1_elements.Channel.NoiseLevelType(PNRef=None, BNRef=None, FxNoiseProfile=None, **kwargs)¶

Bases: Serializable

Thermal noise level for the reference signal vector.

PNRef: float¶

Noise power level for thermal noise. Must be in the range [0, None] Required.

Type:: float

BNRef: float¶

Noise Equivalent BW for noise signal. Bandwidth BN is expressed relative to the sample bandwidth. Must be in the range [0, 1] Required.

Type:: float

FxNoiseProfile: None | FxNoiseProfileType | List[FxPNPointType]¶

FX Domain Noise Level Profile. Power level for thermal noise (PN) vs. FX frequency values. Must have length exactly 2. Optional.

Type:: numpy.ndarray[FxPNPointType]

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

class sarpy.io.phase_history.cphd1_elements.Channel.ChannelParametersType(Identifier=None, RefVectorIndex=None, FXFixed=None, TOAFixed=None, SRPFixed=None, SignalNormal=None, Polarization=None, FxC=None, FxBW=None, FxBWNoise=None, TOASaved=None, TOAExtended=None, DwellTimes=None, ImageArea=None, Antenna=None, TxRcv=None, TgtRefLevel=None, NoiseLevel=None, **kwargs)¶

Bases: Serializable

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

Identifier: str¶

String that uniquely identifies this CPHD data channel. Required.

Type:: str

RefVectorIndex: int¶

Index of the reference vector for the channel. Must be in the range [0, None] Required.

Type:: int

FXFixed: bool¶

Flag to indicate when a constant FX band is saved for all signal vectors of the channel. Required.

Type:: bool

TOAFixed: bool¶

Flag to indicate when a constant TOA swath is saved for all signal vectors of the channel. Required.

Type:: bool

SRPFixed: bool¶

Flag to indicate when a constant SRP position is used all signal vectors of the channel. Required.

Type:: bool

SignalNormal: bool¶

Flag to indicate when all signal array vectors are normal. Included if and only if the SIGNAL PVP is also included. Optional.

Type:: bool

Polarization: PolarizationType¶

Polarization(s) of the signals that formed the signal array. Required.

Type:: PolarizationType

FxC: float¶

FX center frequency value for saved bandwidth for the channel. Computed from all vectors of the signal array. Must be in the range [0, None] Required.

Type:: float

FxBW: float¶

FX band spanned for the saved bandwidth for the channel. Computed from all vectors of the signal array. Must be in the range [0, None] Required.

Type:: float

FxBWNoise: float¶

FX signal bandwidth saved that includes noise signal below or above the retained echo signal bandwidth. Must be in the range [0, None] Optional.

Type:: float

TOASaved: float¶

TOA swath saved for the full resolution echoes for the channel. Must be in the range [0, None] Required.

Type:: float

TOAExtended: None | TOAExtendedType¶

TOA extended swath information. Optional.

Type:: TOAExtendedType

DwellTimes: DwellTimesType¶

COD Time and Dwell Time polynomials over the image area. Required.

Type:: DwellTimesType

ImageArea: None | AreaType¶

Image Area for the CPHD channel defined by a rectangle aligned with (IAX, IAY). May be reduced by the optional polygon. Optional.

Type:: AreaType

Antenna: None | AntennaType¶

Antenna Phase Center and Antenna Pattern identifiers for the antenna(s) used to collect and form the signal array data. Optional.

Type:: AntennaType

TxRcv: None | TxRcvType¶

Parameters to identify the Transmit and Receive parameter sets used to collect the signal array. Optional.

Type:: TxRcvType

TgtRefLevel: None | TgtRefLevelType¶

Signal level for an ideal point scatterer located at the SRP for reference signal vector. Optional.

Type:: TgtRefLevelType

NoiseLevel: None | NoiseLevelType¶

Thermal noise level for the reference signal vector. Optional.

Type:: NoiseLevelType

class sarpy.io.phase_history.cphd1_elements.Channel.ChannelType(RefChId: str = None, FXFixedCPHD: bool = None, TOAFixedCPHD: bool = None, SRPFixedCPHD: bool = None, Parameters: List[ChannelParametersType] = None, AddedParameters: AddedParametersType | None = None, **kwargs)¶

Bases: Serializable

The channel definition.

copy()¶: Create a deep copy.

classmethod from_dict(input_dict)¶

For json deserialization, from dict instance.

Parameters:: input_dict (dict) – Appropriate parameters dict instance for deserialization
Return type:: Corresponding class instance

classmethod from_node(node, xml_ns, ns_key=None, kwargs=None)¶

For XML deserialization.

Parameters:

node (ElementTree.Element) – dom element for serialized class instance
xml_ns (None|dict) – The xml namespace dictionary.
ns_key (None|str) – The xml namespace key. If xml_ns is None, then this is ignored. If None and xml_ns is not None, then the string default will be used. This will be recursively passed down, unless overridden by an entry of the cls._child_xml_ns_key dictionary.
kwargs (None|dict) – None or dictionary of previously serialized attributes. For use in inheritance call, when certain attributes require specific deserialization.

Return type:

Corresponding class instance

is_valid(recursive=False, stack=False)¶

Returns the validity of this object according to the schema. This is done by inspecting that all required fields (i.e. entries of _required) are not None.

Parameters:

recursive (bool) – True if we recursively check that child are also valid. This may result in verbose (i.e. noisy) logging.
stack (bool) – Print a recursive error message?

Returns:

condition for validity of this element

Return type:

bool

log_validity_error(msg)¶

Log a validity check error message.

Parameters:: msg (str) –

log_validity_info(msg)¶

Log a validation info message.

Parameters:: msg (str) –

log_validity_warning(msg)¶

Log a validity check warning message.

Parameters:: msg (str) –

set_numeric_format(attribute, format_string)¶

Sets the numeric format string for the given attribute.

Parameters:

attribute (str) – attribute for which the format applies - must be in _fields.
format_string (str) – format string to be applied

Return type:

None

to_dict(check_validity=False, strict=False, exclude=())¶

For json serialization.

Parameters:

check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

dict representation of class instance appropriate for direct json serialization.

Return type:

OrderedDict

to_node(doc, tag, ns_key=None, parent=None, check_validity=False, strict=False, exclude=())¶

For XML serialization, to a dom element.

Parameters:

doc (ElementTree.ElementTree) – The xml Document
tag (None|str) – The tag name. Defaults to the value of self._tag and then the class name if unspecified.
ns_key (None|str) – The namespace prefix. This will be recursively passed down, unless overridden by an entry in the _child_xml_ns_key dictionary.
parent (None|ElementTree.Element) – The parent element. Defaults to the document root element if unspecified.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.
exclude (tuple) – Attribute names to exclude from this generic serialization. This allows for child classes to provide specific serialization for special properties, after using this super method.

Returns:

The constructed dom element, already assigned to the parent element.

Return type:

ElementTree.Element

to_xml_bytes(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a bytes array, which corresponds to the xml string in utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace string or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

bytes array from ElementTree.tostring() call.

Return type:

bytes

to_xml_string(urn=None, tag=None, check_validity=False, strict=False)¶

Gets a xml string with utf-8 encoding, identified as using the namespace given by urn (if given).

Parameters:

urn (None|str|dict) – The xml namespace or dictionary describing the xml namespace.
tag (None|str) – The root node tag to use. If not given, then the class name will be used.
check_validity (bool) – Check whether the element is valid before serializing, by calling is_valid().
strict (bool) – Only used if check_validity = True. In that case, if True then raise an Exception (of appropriate type) if the structure is not valid, if False then log a hopefully helpful message.

Returns:

xml string from ElementTree.tostring() call.

Return type:

str

RefChId: str¶

Channel ID for the Reference Channel in the product. Required.

Type:: str

FXFixedCPHD: bool¶

Flag to indicate when a constant FX band is saved for all signal vectors of all channels. Required.

Type:: bool

TOAFixedCPHD: bool¶

Flag to indicate when a constant TOA swath is saved for all signal vectors of all channels. Required.

Type:: bool

SRPFixedCPHD: bool¶

Flag to indicate when a constant SRP position is used all signal vectors of all channels. Required.

Type:: bool

Parameters: List[ChannelParametersType]¶

Parameter Set that describes a CPHD data channel. Required.

Type:: List[ChannelParametersType]

AddedParameters: None | AddedParametersType¶

Block for including additional parameters that describe the channels and/or signal arrays. Optional.

Type:: AddedParametersType

The CPHD 1.0 Channel object¶

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