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MRCReaderWriter.h
Go to the documentation of this file.
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/**
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* \file IMP/em/MRCReaderWriter.h
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* \brief Classes to read or write MRC files.
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*
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* Copyright 2007-2013 IMP Inventors. All rights reserved.
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*
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*/
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#ifndef IMPEM_MRC_READER_WRITER_H
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#define IMPEM_MRC_READER_WRITER_H
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#include <IMP/em/em_config.h>
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#include "
MapReaderWriter.h
"
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#include "internal/MRCHeader.h"
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#include <string>
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IMPEM_BEGIN_NAMESPACE
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/** A class to read and write MRC files. */
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class
IMPEMEXPORT
MRCReaderWriter
:
public
MapReaderWriter
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{
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public
:
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//! Empty constructor
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MRCReaderWriter
() {}
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//! Constructor
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/**
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* param[in] fn name of the file to open or write
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*/
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MRCReaderWriter
(std::string fn) {
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filename=fn;
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}
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#if !defined(DOXYGEN) && !defined(SWIG)
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//! Reads an MRC file and translates the header to the general DensityHeader
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void
read(
const
char
*fn_in,
float
**data,
DensityHeader
&head);
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//! Writes an MRC file from the data and the general DensityHeader
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void
write(
const
char
*fn_out,
const
float
*data,
const
DensityHeader
&head);
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#endif
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private
:
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//! By default the data are read into the grid of the class, but an external
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//! pointer to another grid can be specified
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void
read() {
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read(&grid);
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}
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void
read(
float
**pt);
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//! reads the header
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void
read_header();
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//! reads the data
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void
read_data(
float
*pt);
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//! reads data of size 8-bit
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void
read_8_data(
float
*pt);
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//! reads data of size 32-bit
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void
read_32_data(
float
*pt);
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void
read_grid(
void
*pt,
size_t
size,
size_t
n);
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void
seek_to_data();
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//! Write function
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/**
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* param[in] fn name of the file to write
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*/
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void
write(
const
char
*fn) {
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return
write(fn,grid);
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}
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//! Write function
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/**
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* param[in] fn name of the file to write
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* param[in] pt pointer to the data to write
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*/
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void
write(
const
char
*fn,
const
float
*pt);
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//! Writes the header
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/**
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* param[in] s stream to write the header
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*/
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void
write_header(std::ofstream &s);
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//! Writes data
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/**
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* param[in] s stream to write the data
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* param[in] pt pointer to the data
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*/
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void
write_data(std::ofstream &s,
const
float
*pt);
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//! Name of the file
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std::string filename;
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//! file stream for the file read
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std::fstream fs;
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//! The header of the file
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internal::MRCHeader header;
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//! The grid of data. The data is stored in the grid with the convention
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//! that the order of indexes is z,y,x
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float
*grid;
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IMP_OBJECT_METHODS
(MRCReaderWriter);
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};
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IMPEM_END_NAMESPACE
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#endif
/* IMPEM_MRC_READER_WRITER_H */