SimpleDataset::SimpleImage Class Reference

SimpleImage class used with the SimpleDataset class. More...

#include <dataset.hpp>

Inheritance diagram for SimpleDataset::SimpleImage:

Collaboration diagram for SimpleDataset::SimpleImage:

Public Member Functions
	SimpleImage (const std::string &path, uint64_t imageid)
	Constructs a SimpleImage given the Image relative path in the Dataset directory, and a corresponding unique image ID. More...
std::string	feature_path (const std::string &feat_name) const
	Returns the corresponding feature path given a feature name (ex. "sift"). More...
std::string	location () const
	Returns the image location relative to the database data directory. More...
Public Member Functions inherited from Image
	Image (uint64_t image_id)
virtual	~Image ()
	All images are assigned a unique id in the dataset. More...

Protected Attributes
std::string	image_path

Additional Inherited Members
Data Fields inherited from Image
uint64_t	id

Detailed Description

SimpleImage class used with the SimpleDataset class.

Features are stored in <data_dir>/<feats>/<feat_name>

Definition at line 82 of file dataset.hpp.

Constructor & Destructor Documentation

SimpleDataset::SimpleImage::SimpleImage	(	const std::string &	path,
		uint64_t	imageid
	)

Constructs a SimpleImage given the Image relative path in the Dataset directory, and a corresponding unique image ID.

Definition at line 126 of file dataset.cxx.

References image_path.

                                                                             : Image(imageid) {
        image_path = path;
}

Member Function Documentation

std::string SimpleDataset::SimpleImage::feature_path ( const std::string &  feat_name ) const

virtual

Returns the corresponding feature path given a feature name (ex. "sift").

Implements Image.

Definition at line 130 of file dataset.cxx.

                                                                                 {
        uint32_t level0 = id >> 20;
        uint32_t level1 = (id - (level0 << 20)) >> 10;

        std::stringstream ss;
        ss << "/feats/" << feat_name << "/" << 
                std::setw(4) << std::setfill('0') << level0 << "/" <<
                std::setw(4) << std::setfill('0') << level1 << "/" <<
                std::setw(9) << std::setfill('0') << id << "." << feat_name;
                
        return ss.str();
}

std::string SimpleDataset::SimpleImage::location ( ) const

virtual

Returns the image location relative to the database data directory.

Implements Image.

Definition at line 143 of file dataset.cxx.

Referenced by bench_oxford(), compute_features(), main(), and SimpleDataset::write().

                                                   {
        return image_path;
}

Field Documentation

std::string SimpleDataset::SimpleImage::image_path

protected

Definition at line 95 of file dataset.hpp.

Referenced by SimpleImage().

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The documentation for this class was generated from the following files:

• /home/psastras/vocabtree/modules/utils/dataset.hpp
• /home/psastras/vocabtree/modules/utils/dataset.cxx