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PLearn 0.1
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The first sentence should be a BRIEF DESCRIPTION of what the class does. More...
#include <AddBagInformationVMatrix.h>


Public Member Functions | |
| AddBagInformationVMatrix () | |
| Default constructor. | |
| virtual string | classname () const |
| virtual OptionList & | getOptionList () const |
| virtual OptionMap & | getOptionMap () const |
| virtual RemoteMethodMap & | getRemoteMethodMap () const |
| virtual AddBagInformationVMatrix * | deepCopy (CopiesMap &copies) const |
| virtual void | build () |
| Simply calls inherited::build() then build_(). | |
| virtual void | makeDeepCopyFromShallowCopy (CopiesMap &copies) |
| Transforms a shallow copy into a deep copy. | |
Static Public Member Functions | |
| static string | _classname_ () |
| Declares name and deepCopy methods. | |
| static OptionList & | _getOptionList_ () |
| static RemoteMethodMap & | _getRemoteMethodMap_ () |
| static Object * | _new_instance_for_typemap_ () |
| static bool | _isa_ (const Object *o) |
| static void | _static_initialize_ () |
| static const PPath & | declaringFile () |
Public Attributes | |
| string | bag_info_column |
| bool | remove_bag_info_column |
Static Public Attributes | |
| static StaticInitializer | _static_initializer_ |
Protected Member Functions | |
| virtual void | getNewRow (int i, const Vec &v) const |
| Fill the vector 'v' with the content of the i-th row. | |
Static Protected Member Functions | |
| static void | declareOptions (OptionList &ol) |
| Declares the class options. | |
Protected Attributes | |
| int | bag_info_idx |
| The index of 'bag_info_column' in the source VMat. | |
Private Types | |
| typedef SourceVMatrix | inherited |
Private Member Functions | |
| void | build_ () |
| This does the actual building. | |
The first sentence should be a BRIEF DESCRIPTION of what the class does.
Place the rest of the class programmer documentation here. Doxygen supports Javadoc-style comments. See http://www.doxygen.org/manual.html
Definition at line 57 of file AddBagInformationVMatrix.h.
typedef SourceVMatrix PLearn::AddBagInformationVMatrix::inherited [private] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 59 of file AddBagInformationVMatrix.h.
| PLearn::AddBagInformationVMatrix::AddBagInformationVMatrix | ( | ) |
Default constructor.
Definition at line 62 of file AddBagInformationVMatrix.cc.
:
remove_bag_info_column(false),
bag_info_idx(-1)
{
}
| string PLearn::AddBagInformationVMatrix::_classname_ | ( | ) | [static] |
Declares name and deepCopy methods.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
| OptionList & PLearn::AddBagInformationVMatrix::_getOptionList_ | ( | ) | [static] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
| RemoteMethodMap & PLearn::AddBagInformationVMatrix::_getRemoteMethodMap_ | ( | ) | [static] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
| Object * PLearn::AddBagInformationVMatrix::_new_instance_for_typemap_ | ( | ) | [static] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
| StaticInitializer AddBagInformationVMatrix::_static_initializer_ & PLearn::AddBagInformationVMatrix::_static_initialize_ | ( | ) | [static] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
| void PLearn::AddBagInformationVMatrix::build | ( | ) | [virtual] |
Simply calls inherited::build() then build_().
Reimplemented from PLearn::SourceVMatrix.
Definition at line 92 of file AddBagInformationVMatrix.cc.
References PLearn::SourceVMatrix::build(), and build_().
{
inherited::build();
build_();
}

| void PLearn::AddBagInformationVMatrix::build_ | ( | ) | [private] |
This does the actual building.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 101 of file AddBagInformationVMatrix.cc.
References PLearn::TVec< T >::append(), bag_info_column, bag_info_idx, PLearn::VMat::getFieldIndex(), i, PLearn::VMatrix::inputsize_, PLearn::TVec< T >::length(), remove_bag_info_column, PLearn::TVec< T >::resize(), PLearn::VMatrix::setFieldInfos(), PLearn::SourceVMatrix::setMetaInfoFromSource(), PLearn::SourceVMatrix::source, PLearn::SourceVMatrix::sourcerow, PLearn::VMatrix::targetsize_, PLearn::VMatrix::updateMtime(), PLearn::VMat::width(), and PLearn::VMatrix::width_.
Referenced by build().
{
if (source) {
updateMtime(source);
bag_info_idx = source->getFieldIndex(bag_info_column);
sourcerow.resize(source->width());
int st = source->targetsize();
if (st >= 0)
targetsize_ = st + 1;
// Set field infos.
Array<VMField> fields = source->getFieldInfos().copy();
fields.append(VMField("bag_info"));
width_ = source->width() + 1;
inputsize_ = source->inputsize();
if (remove_bag_info_column) {
// We need to remove a column from the source VMat.
width_--;
if( bag_info_idx < inputsize_ )
inputsize_--;
Array<VMField> new_fields;
for (int i = 0; i < fields.length(); i++)
if (i != bag_info_idx)
new_fields.append(fields[i]);
fields = new_fields;
}
setFieldInfos(fields);
setMetaInfoFromSource();
}
}


| string PLearn::AddBagInformationVMatrix::classname | ( | ) | const [virtual] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
| void PLearn::AddBagInformationVMatrix::declareOptions | ( | OptionList & | ol | ) | [static, protected] |
Declares the class options.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 71 of file AddBagInformationVMatrix.cc.
References bag_info_column, PLearn::OptionBase::buildoption, PLearn::declareOption(), PLearn::SourceVMatrix::declareOptions(), and remove_bag_info_column.
{
declareOption(ol, "bag_info_column",
&AddBagInformationVMatrix::bag_info_column,
OptionBase::buildoption,
"The source's column that is used to find bags in the data. It can\n"
"be either a number or a column's name.");
declareOption(ol, "remove_bag_info_column",
&AddBagInformationVMatrix::remove_bag_info_column,
OptionBase::buildoption,
"If true, then the source's column given by bag_info_column is\n"
"removed from the resulting data.");
// Now call the parent class' declareOptions
inherited::declareOptions(ol);
}

| static const PPath& PLearn::AddBagInformationVMatrix::declaringFile | ( | ) | [inline, static] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 81 of file AddBagInformationVMatrix.h.
:
| AddBagInformationVMatrix * PLearn::AddBagInformationVMatrix::deepCopy | ( | CopiesMap & | copies | ) | const [virtual] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
| void PLearn::AddBagInformationVMatrix::getNewRow | ( | int | i, |
| const Vec & | v | ||
| ) | const [protected, virtual] |
Fill the vector 'v' with the content of the i-th row.
v is assumed to be the right size. ### This function must be overridden in your class
Reimplemented from PLearn::SourceVMatrix.
Definition at line 138 of file AddBagInformationVMatrix.cc.
References bag_info_idx, PLearn::is_equal(), PLearn::TVec< T >::lastElement(), PLearn::TVec< T >::length(), PLearn::VMatrix::length_, remove_bag_info_column, PLearn::SourceVMatrix::source, PLearn::SourceVMatrix::sourcerow, and PLearn::TVec< T >::subVec().
{
bool is_beg = false;
bool is_end = false;
// Obtain current bag information.
source->getRow(i, sourcerow);
real cur = sourcerow[bag_info_idx];
if (i == 0)
is_beg = true;
else {
// Compare with previous sample.
real prev = source->get(i - 1, bag_info_idx);
if (!is_equal(cur, prev))
is_beg = true;
}
if (i == length_ - 1)
is_end = true;
else {
// Compare with next sample.
real next = source->get(i + 1, bag_info_idx);
if (!is_equal(cur, next))
is_end = true;
}
real bag_info = is_beg ? is_end ? 3
: 1
: is_end ? 2
: 0;
if (remove_bag_info_column) {
v.subVec(0, bag_info_idx) << sourcerow.subVec(0, bag_info_idx);
int n_left = sourcerow.length() - bag_info_idx - 1;
v.subVec(bag_info_idx, n_left) <<
sourcerow.subVec(bag_info_idx + 1, n_left);
} else
v.subVec(0, sourcerow.length()) << sourcerow;
v.lastElement() = bag_info;
}

| OptionList & PLearn::AddBagInformationVMatrix::getOptionList | ( | ) | const [virtual] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
| OptionMap & PLearn::AddBagInformationVMatrix::getOptionMap | ( | ) | const [virtual] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
| RemoteMethodMap & PLearn::AddBagInformationVMatrix::getRemoteMethodMap | ( | ) | const [virtual] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 57 of file AddBagInformationVMatrix.cc.
| void PLearn::AddBagInformationVMatrix::makeDeepCopyFromShallowCopy | ( | CopiesMap & | copies | ) | [virtual] |
Transforms a shallow copy into a deep copy.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 178 of file AddBagInformationVMatrix.cc.
References PLearn::SourceVMatrix::makeDeepCopyFromShallowCopy().
{
inherited::makeDeepCopyFromShallowCopy(copies);
}

Reimplemented from PLearn::SourceVMatrix.
Definition at line 81 of file AddBagInformationVMatrix.h.
Definition at line 64 of file AddBagInformationVMatrix.h.
Referenced by build_(), and declareOptions().
int PLearn::AddBagInformationVMatrix::bag_info_idx [protected] |
The index of 'bag_info_column' in the source VMat.
Definition at line 93 of file AddBagInformationVMatrix.h.
Referenced by build_(), and getNewRow().
Definition at line 65 of file AddBagInformationVMatrix.h.
Referenced by build_(), declareOptions(), and getNewRow().
1.7.4