fmeobjects.FMEMultiCurve

`FMEMultiCurve.appendPart`(curve)	This appends the curve to the MultiCurve.
`FMEMultiCurve.appendParts`(multiCurve)	This appends the MultiCurve passed in to the existing MultiCurve.
`FMEMultiCurve.boundingBox`()	This method returns the bounding box of the geometry.
`FMEMultiCurve.boundingCube`()	This method returns the bounding cube of the geometry.
`FMEMultiCurve.bounds`()	Returns the bounds of the geometry.
`FMEMultiCurve.clearMeasures`()	Remove all measures from the geometry.
`FMEMultiCurve.copyAttributesFromFeature`(...)	Copies all the attributes from the given feature to traits on this geometry, if they match the (optional) regular expression.
`FMEMultiCurve.copyNameFromGeometry`(...)	Copies the name of the 'sourceGeometry' onto this geometry.
`FMEMultiCurve.copyTraitsFromGeometry`(...)	Copies all the traits from the given geometry that match the (optional) regular expression.
`FMEMultiCurve.copyTraitsToFeature`(...)	Copies all the traits from this geometry to attributes on the given feature, if they match the (optional) regular expression.
`FMEMultiCurve.deleteName`()	Deletes the geometry's name.
`FMEMultiCurve.force2D`()	Reduces the geometry to 2D.
`FMEMultiCurve.force3D`(newZ)	This sets the geometry's dimension to 3D.
`FMEMultiCurve.getArea`()	Area calculation.
`FMEMultiCurve.getMeasureNames`()	Retrieve the names of the measures on this geometry.
`FMEMultiCurve.getName`()	This routine retrieves the 'name' of this geometry as a `str`.
`FMEMultiCurve.getPartAt`(index)	This method returns the curve at the given index.
`FMEMultiCurve.getTrait`(traitName)	Retrieves the geometry trait value of the specified trait name.
`FMEMultiCurve.getTraitNames`()	Retrieve the names of the traits on this geometry.
`FMEMultiCurve.getTraitNullMissingAndType`(...)	This method returns a tuple of a boolean, indicating if the trait is null, a boolean, indicating if the trait is missing, and an integer representing the type of the trait.
`FMEMultiCurve.getTraitType`(traitName)	Returns the type of given trait.
`FMEMultiCurve.hasMeasures`()	Check if this geometry or any sub part of this geometry has measures.
`FMEMultiCurve.hasName`()	Returns whether or not the geometry has a name.
`FMEMultiCurve.is3D`()	Returns whether or not the geometry is 3D.
`FMEMultiCurve.isCollection`()	Check if the geometry is an aggregate or multi-part collection.
`FMEMultiCurve.measureExists`(measureName)	Returns `True` if the specified measure exists and `False` otherwise.
`FMEMultiCurve.numParts`()	This returns the number of curves that make up this MultiCurve.
`FMEMultiCurve.offset`(offsetPoint)	Offsets the geometry by the coords specified by 'offsetPoint'.
`FMEMultiCurve.removeLastPart`()	This removes and returns the last curve of the MultiCurve.
`FMEMultiCurve.removeMeasure`(measureName)	Removes the measure with name 'measureName' if supplied, or the default measure, if there is one.
`FMEMultiCurve.removeTraits`(regexp)	This method has 4 modes:
`FMEMultiCurve.renameMeasure`(oldMeasureName, ...)	Renames the measure specified by 'oldMeasureName' to the new name, specified by 'newMeasureName'.
`FMEMultiCurve.rotate2D`(center, angle)	The angle is CCW up from the horizontal and is measured in degrees.
`FMEMultiCurve.scale`(xscale, yscale, zscale)	Applies a scale factor to the MultiCurve.
`FMEMultiCurve.setName`(name)	Sets the geometry's name with a `str`.
`FMEMultiCurve.setTrait`(traitName, traitValue)	Sets a geometry trait with the specified value.
`FMEMultiCurve.setTraitNullWithType`(...)	This method supplies a null trait value with a type to the geometry.

class FMEMultiCurve

FME Multi-Curve Class

Create an instance of a Multi-Curve geometry object.

init()

Default FMEMultiCurve constructor.

Return type:: FMEMultiCurve
Returns:: An instance of a MultiCurve geometry object.

init(multiCurve)

Create a copy of the passed in MultiCurve geometry object.

Parameters:: multiCurve (FMEMultiCurve) – The MultiCurve geometry object to create a copy of.
Return type:: FMEMultiCurve
Returns:: An instance of a MultiCurve Geometry object.

__init__(*args, **kwargs)

appendPart(curve)

This appends the curve to the MultiCurve. If None is passed in, nothing will be appended. All curves in the MultiCurve will be forced to have the same dimension. If any 3D curves exist, all 2D curves will be converted to 3D with a default Z value of 0.0.

Parameters:: curve (FMECurve) – The curve to be appended.
Return type:: None
Raises:: FMEException – An exception is raised if an error occurred.

appendParts(multiCurve)

This appends the MultiCurve passed in to the existing MultiCurve. If None is passed in, nothing will be appended.

Parameters:: multiCurve (FMEMultiCurve) – The MultiCurve to be appended.
Return type:: None
Raises:: FMEException – An exception is raised if an error occurred.

boundingBox()

This method returns the bounding box of the geometry.

Return type:: tuple[tuple[float]]
Returns:: The bounding box of the Geometry, in the form ((minx, miny), (maxx, maxy)).

boundingCube()

This method returns the bounding cube of the geometry.

Return type:: tuple[tuple[float]]
Returns:: The bounding box of the Geometry, in the form ((minx, miny, minz), (maxx, maxy, maxz)).

bounds()

Returns the bounds of the geometry.

Return type:: tuple[FMEPoint]
Returns:: The min point and max point of the bounds. None is returned if the geometry contains no points.

clearMeasures()

Remove all measures from the geometry.

Return type:: None

copyAttributesFromFeature(sourceFeature, overwriteExisting, regexp, prefix)

Copies all the attributes from the given feature to traits on this geometry, if they match the (optional) regular expression.

Parameters:

sourceFeature (FMEFeature) – The feature to copy attributes from.
overwriteExisting (bool) – Existing traits will be overwritten only if overwriteExisting is True.
regexp (str) – (Optional) The regular expression to match the attributes against. If regexp is not specified, then all attributes will be copied.
prefix (str) – (Optional) The prefix is put on all the trait names as they are copied. If it is not specified, a prefix will not be added to the trait names.

Return type:

None

copyNameFromGeometry(sourceGeometry)

Copies the name of the ‘sourceGeometry’ onto this geometry. If ‘sourceGeometry’s name is blank or None, this geometry’s name will become None.

Parameters:: sourceGeometry (FMEGeometry) – The geometry to copy the name from.
Return type:: None

copyTraitsFromGeometry(sourceGeometry, overwriteExisting, regexp, prefix)

Copies all the traits from the given geometry that match the (optional) regular expression.

Parameters:

sourceGeometry (FMEGeometry) – The geometry to copy traits from.
overwriteExisting (bool) – Existing traits will be overwritten only if overwriteExisting is True.
regexp (str) – (Optional) The regular expression to match the traits against. If regexp is not specified, or is an empty string, then all traits will be copied.
prefix (str) – (Optional) The prefix is put on all the trait names as they are copied. If it is not specified, a prefix will not be added to the trait names.

Return type:

None

copyTraitsToFeature(destFeature, overwriteExisting, regexp, prefix)

Copies all the traits from this geometry to attributes on the given feature, if they match the (optional) regular expression.

Parameters:

destFeature (FMEFeature) – The feature to copy traits to.
overwriteExisting (bool) – Existing attributes will be overwritten only if overwriteExisting is True.
regexp (str) – (Optional) The regular expression to match the traits against. If regexp is not specified, or is an empty string, then all traits will be copied.
prefix (str) – (Optional) The prefix is put on all the attribute names as they are copied. If it is not specified, a prefix will not be added to the attribute names.

Return type:

None

deleteName()

Deletes the geometry’s name. If a name existed prior to this call then True is returned; otherwise False is returned.

Return type:: bool
Returns:: Returns a boolean indicating whether or not the name existed before deletion.

force2D()

Reduces the geometry to 2D.

Return type:: None

force3D(newZ)

This sets the geometry’s dimension to 3D. All Z values are set to the value passed in, even if the geometry is already 3D.

Parameters:: newZ (float) – The new Z value.
Return type:: None

getArea()

Area calculation.

Return type:: float
Returns:: The calculated area.

getMeasureNames()

Retrieve the names of the measures on this geometry.

Return type:: tuple[str]
Returns:: Return a tuple storing the names of the measures on this geometry. This will return an empty tuple if there are no measures. For FMEAggregate, FMEMultiSurface, and FMECompositeSurface, this will return the union of all measure names of all of its parts.

getName()

This routine retrieves the ‘name’ of this geometry as a str. This will return None if it did not have a name associated with it.

Return type:: str or None
Returns:: The geometry’s name.

getPartAt(index)

This method returns the curve at the given index. None is returned if the index is out of range.

Parameters:: index (int) – The index of the curve part to return.
Return type:: FMECurve or None
Returns:: The curve at the given index. Note: This method returns a terminal curve type of the FMECurve; i.e. one of the leaf classes in the FMECurve inheritance graph. For example, a FMELine is returned if the curve truly is a line.
Raises:: FMEException – An exception is raised if an error occurred.

getTrait(traitName)

Retrieves the geometry trait value of the specified trait name. Null trait values will be returned as an empty string. Binary blob traits are returned as a bytearray.

None is returned when the trait is not found on the geometry.

Parameters:: traitName (str) – The name of the geometry trait.
Return type:: bool, int, float, str, bytearray, bytes or None
Returns:: The trait value.
Raises:: FMEException – An exception is raised if there was a problem in retrieving the trait value.

getTraitNames()

Retrieve the names of the traits on this geometry.

Return type:: tuple[str]
Returns:: Return a tuple storing the names of the traits on this geometry. This will return an empty tuple if there are no traits. For all collections and containers, this will only return the names of traits on the outermost object only.

getTraitNullMissingAndType(traitName)

This method returns a tuple of a boolean, indicating if the trait is null, a boolean, indicating if the trait is missing, and an integer representing the type of the trait. The first boolean is True if ‘traitName’ maps to a null trait value on the geometry. Otherwise it is False. The second boolean is True if ‘traitName’ maps to a no value on the geometry. Otherwise it is False. If the trait is absent, FME_ATTR_UNDEFINED is returned for the type.

The possible trait types are FME_ATTR_UNDEFINED, FME_ATTR_BOOLEAN, FME_ATTR_INT8, FME_ATTR_UINT8, FME_ATTR_INT16, FME_ATTR_UINT16, FME_ATTR_INT32, FME_ATTR_UINT32, FME_ATTR_REAL32, FME_ATTR_REAL64, FME_ATTR_REAL80, FME_ATTR_STRING, FME_ATTR_ENCODED_STRING, FME_ATTR_INT64, FME_ATTR_UINT64.

Parameters:: traitName (str) – The trait’s name.
Return type:: tuple[bool, bool, int]
Returns:: A tuple of 2 boolean values the first indicating whether or not the value of the trait is null, the second indicating whether or not the trait is missing, and an integer representing the trait type.

getTraitType(traitName)

Returns the type of given trait. If the trait cannot be found, FME_ATTR_UNDEFINED will be returned.

Returns one of FME_ATTR_UNDEFINED, FME_ATTR_BOOLEAN, FME_ATTR_INT8, FME_ATTR_UINT8, FME_ATTR_INT16, FME_ATTR_UINT16, FME_ATTR_INT32, FME_ATTR_UINT32, FME_ATTR_REAL32, FME_ATTR_REAL64, FME_ATTR_REAL80, FME_ATTR_STRING, FME_ATTR_ENCODED_STRING, FME_ATTR_INT64, FME_ATTR_UINT64.

Parameters:: traitName (str) – The trait’s name.
Return type:: int
Returns:: The trait type.

hasMeasures()

Check if this geometry or any sub part of this geometry has measures.

Return type:: bool
Returns:: True if this geometry or any sub part of this geometry has measures, False otherwise.

hasName()

Returns whether or not the geometry has a name.

Return type:: bool
Returns:: Returns True if the geometry has a name and False otherwise.

is3D()

Returns whether or not the geometry is 3D.

Return type:: bool
Returns:: Returns True if the geometry is 3D and False otherwise. For FMENull, this method will always return True. For FMEAggregate, FMEMultiPoint, FMEMultiArea, FMEMultiText and FMEMultiCurve, this method will return True if any one of the sub-parts is 3D. If the collection is empty or all of its members are 2D, this method will return False.

isCollection()

Check if the geometry is an aggregate or multi-part collection.

Return type:: bool
Returns:: True if the geometry is an aggregate or multi-part collection.

measureExists(measureName)

Returns True if the specified measure exists and False otherwise. If the ‘measureName’ parameter is not specified then the default measure is checked.

Parameters:: measureName (str) – (Optional) The measure’s name.
Return type:: bool
Returns:: Boolean indicating whether or not the measure exists.

numParts()

This returns the number of curves that make up this MultiCurve.

Return type:: int
Returns:: The number of curves in MultiCurve.

offset(offsetPoint)

Offsets the geometry by the coords specified by ‘offsetPoint’.

Parameters:: offsetPoint (FMEPoint) – The point to offset the coordinates of the geometry by.
Return type:: None
Raises:: FMEException – An exception is raised if an error occurred.

removeLastPart()

This removes and returns the last curve of the MultiCurve. If there are no curves in the MultiCurve, it will return None.

Return type:: FMECurve or None
Returns:: The last curve of the MultiCurve. Note: This method returns a terminal curve type of the FMECurve; i.e. one of the leaf classes in the FMECurve inheritance graph. For example, a FMELine is returned if the curve truly is a line.
Raises:: FMEException – An exception is raised if an error occurred.

removeMeasure(measureName)

Removes the measure with name ‘measureName’ if supplied, or the default measure, if there is one.

Parameters:: measureName (str) – (Optional) The name of the measure to remove.
Return type:: None

removeTraits(regexp)

This method has 4 modes:

Remove all traits at the top level: regex == NULL

Remove some traits at the top level: regex == <string>

Remove all traits at all levels: regex == kFME_RecurseAll

Remove some traits at all levels: regex == kFME_RecurseSome <string>

For example, specifying regex == NULL for a multi-surface will remove all traits at the root level of the multi-surface, whereas specifying regex == kFME_RecurseSome <string> will remove all traits from all levels of the multi surface that match <string>. If <string> is an illegal regular expression, no traits will be removed.

Return type:: None

renameMeasure(oldMeasureName, newMeasureName)

Renames the measure specified by ‘oldMeasureName’ to the new name, specified by ‘newMeasureName’.

Parameters:

oldMeasureName (str) – The original name of the measure.
newMeasureName (str) – The new name of the measure.

Return type:

None

rotate2D(center, angle)

The angle is CCW up from the horizontal and is measured in degrees.

Parameters:

center (FMEPoint) – The center of the rotation.
angle (float) – The angle in degrees.

Return type:

None

Raises:

FMEException – An exception is raised if an error occurred.

scale(xscale, yscale, zscale)

Applies a scale factor to the MultiCurve. The ‘zscale’ is ignored if geometry is 2D.

Parameters:

xscale (float) – The x scale factor.
yscale (float) – The y scale factor.
zscale (float) – The z scale factor.

Return type:

None

Raises:

FMEException – An exception is raised if an error occurred.

setName(name)

Sets the geometry’s name with a str. By supplying a blank name as input, this method will act as deleteName().

Parameters:: name (str) – The geometry’s new name.
Return type:: None

setTrait(traitName, traitValue)

Sets a geometry trait with the specified value. If the geometry trait already exists, its value and type will be changed. The following type numeric mappings are used:

PyInt ==> FME_Int32

PyFloat ==> FME_Real64

PyLong ==> FME_Int64

Binary values are to be specified as bytearray values or bytes values.

Parameters:

traitName (str) – The name of the geometry trait.
traitValue (bool, int, float, str, bytearray, or bytes) – The value of the geometry trait.

Return type:

None

setTraitNullWithType(traitName, traitType)

This method supplies a null trait value with a type to the geometry. If a trait with the same name already exists, it is overwritten.

Trait type must be one of FME_ATTR_UNDEFINED, FME_ATTR_BOOLEAN, FME_ATTR_INT8, FME_ATTR_UINT8, FME_ATTR_INT16, FME_ATTR_UINT16, FME_ATTR_INT32, FME_ATTR_UINT32, FME_ATTR_REAL32, FME_ATTR_REAL64, FME_ATTR_REAL80, FME_ATTR_STRING, FME_ATTR_ENCODED_STRING, FME_ATTR_INT64, FME_ATTR_UINT64.

Parameters:

traitName (str) – The trait’s name.
traitType (int) – An integer representing the trait type.

Return type:

None