[Pkg-octave-commit] [octave-fits] 01/02: Imported Upstream version 1.0.7
Rafael Laboissière
rlaboiss-guest at moszumanska.debian.org
Fri Sep 2 15:28:16 UTC 2016
This is an automated email from the git hooks/post-receive script.
rlaboiss-guest pushed a commit to branch master
in repository octave-fits.
commit 2241b11e2c140769ed196bc211574469651cad16
Author: Rafael Laboissiere <rafael at debian.org>
Date: Sat Aug 20 16:19:15 2016 -0300
Imported Upstream version 1.0.7
---
COPYING | 674 +++++++++++++++++++++++++++++++++++++++
DESCRIPTION | 15 +
INDEX | 6 +
NEWS | 34 ++
README | 6 +
src/Makefile | 10 +
src/read_fits_image.cc | 206 ++++++++++++
src/save_fits_image.cc | 167 ++++++++++
src/save_fits_image_multi_ext.cc | 174 ++++++++++
9 files changed, 1292 insertions(+)
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..94a9ed0
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,674 @@
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+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+ <program> Copyright (C) <year> <name of author>
+ This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+ The GNU General Public License does not permit incorporating your program
+into proprietary programs. If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License. But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/DESCRIPTION b/DESCRIPTION
new file mode 100644
index 0000000..4b0dc37
--- /dev/null
+++ b/DESCRIPTION
@@ -0,0 +1,15 @@
+Name: FITS
+Version: 1.0.7
+Date: 2015-06-10
+Author: Dirk Schmidt
+Maintainer: Dirk Schmidt
+Title: Reading and writing FITS (Flexible Image Transport System) files.
+Description: The Octave-FITS package provides functions for
+ reading, and writing FITS (Flexible Image Transport System) files.
+ This package uses the libcfitsio library.
+Depends: octave (>= 3.0.0)
+Autoload: no
+BuildRequires: libcfitsio-dev
+SystemRequirements: libcfitsio
+License: GPLv3+
+Url: http://octave.sf.net
diff --git a/INDEX b/INDEX
new file mode 100644
index 0000000..ba35485
--- /dev/null
+++ b/INDEX
@@ -0,0 +1,6 @@
+FITS >> reading and writing FITS files
+Reading and writing FITS files
+ read_fits_image
+ save_fits_image
+ save_fits_image_multi_ext
+
diff --git a/NEWS b/NEWS
new file mode 100644
index 0000000..521f730
--- /dev/null
+++ b/NEWS
@@ -0,0 +1,34 @@
+Version 1.0.7, released 2015-06-10:
+===================================
+ * Allow for extension in read_fits_image( filename, extension ) being zero to read the
+ first image of a file with multiple extension.
+ read_fits_image( filename, 0 ) is equivalent to read_fits_image( filename ) and
+ read_fits_image( filename[0] ).
+
+
+Version 1.0.6, released 2014-06-10:
+===================================
+ * Get cflags from pkg-config for compilation. No changes in module sources.
+
+
+Version 1.0.5, released 2014-04-26:
+===================================
+ * Don't duplicate data in save_fits_image_multi and save_fits_image_multi_ext
+
+
+Version 1.0.4, released 2014-03-11:
+===================================
+ * read_fits_image can now be compiled with Octave 3.0, 3.2, 3.4, 3.6, and 3.8
+
+
+Version 1.0.3, released 2013-07-03:
+===================================
+ * read_fits_image fixed crash if NAXIS=1
+
+
+Version 1.0.2, released 2012-07-24:
+===================================
+ * read_fits_image can now read images with more than 3 dimensions
+ (maximum NAXIS is now 999, was 3)
+ * read_fits_image can now be compiled with Octave 3.0, 3.2, 3.4, and 3.6
+
diff --git a/README b/README
new file mode 100644
index 0000000..90a7433
--- /dev/null
+++ b/README
@@ -0,0 +1,6 @@
+On Debian Lenny, pkgconfig does not work because of a missing file
+in the fitsio library. You can solve this by replacing the
+MKOCT_FLAGS = $(shell pkg-config --libs cfitsio) with
+MKOCT_FLAGS = -lcfitsio
+in src/Makefile
+
diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..1c322c7
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,10 @@
+MKOCT_FLAGS = $(shell pkg-config --libs cfitsio --cflags cfitsio)
+
+all: read_fits_image.oct save_fits_image.oct save_fits_image_multi_ext.oct
+
+clean:
+ rm -f *.oct *.o
+
+%.oct: %.cc
+ mkoctfile --verbose -Wall $(MKOCT_FLAGS) $<
+
diff --git a/src/read_fits_image.cc b/src/read_fits_image.cc
new file mode 100644
index 0000000..ebeb835
--- /dev/null
+++ b/src/read_fits_image.cc
@@ -0,0 +1,206 @@
+// Copyright (C) 2009-2015 Dirk Schmidt <fs at dirk-schmidt.net>
+//
+// This program is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation; either version 3 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program; if not, see <http://www.gnu.org/licenses/>.
+
+#include <iostream>
+#include <sstream>
+#include <octave/oct.h>
+#include <octave/version.h>
+
+extern "C"
+{
+#include "fitsio.h"
+}
+
+static bool any_bad_argument( const octave_value_list& args );
+
+DEFUN_DLD( read_fits_image, args, nargout,
+"-*- texinfo -*-\n\
+ at deftypefn {Function File} {[@var{image}, at var{header}]} = read_fits_image(@var{filename}, at var{hdu})\n\
+Read FITS file @var{filename} and return image data in @var{image}, and the image header in @var{header}.\n\
+\n\
+size(@var{image}) will return NAXIS1 NAXIS2 ... NAXISN.\n\
+\n\
+ at var{filename} can be concatenated with filters provided by libcfitsio. See:\
+<http://heasarc.gsfc.nasa.gov/docs/software/fitsio/c/c_user/node81.html>\
+\n\n\
+Examples:\n\
+\n\
+1. If the file contains a single image, read_fits_image( \"filename\" ) will store the data into a 2d double matrix.\n\
+\n\
+2. If the file contains a data cube (continous data, no exentions!), read_fits_image( \"filename\" ) will store the whole data cube into a 3d array.\n\
+\n\
+3. If the file contains a data cube, then read_fits_image( \"filename[*,*,2:5]\" ) will read the 2nd, 3rd, 4th, and 5th image, and store them into a 3d array.\n\
+\n\
+4. If the file contains multiple image extensions, then read_fits_image( \"filename[5]\" ) will read the 5th image. This is equivalent to read_fits_image( \"filename\", 5 ).\n\
+\n\
+NOTE: It's only possible to read one extension (HDU) at a time, i.e. multi-extension files need to be read in a loop.\n\
+\n\
+ at seealso{save_fits_image, save_fits_image_multi_ext}\n\
+Copyright (c) 2009-2015, Dirk Schmidt <fs@@dirk-schmidt.net>\
+ at end deftypefn")
+{
+ if ( any_bad_argument(args) )
+ return octave_value_list();
+
+ octave_value fitsimage; // the octave container for the image data to be read by this function
+ std::string infile = args(0).string_value ();
+
+ if ( args.length()==2 )
+ {
+ std::ostringstream stream;
+ stream << infile << "[" << int(args(1).scalar_value()) << "]";
+ infile = stream.str();
+ }
+
+ int status=0; // must be initialized with zero (I consider this to be a bug in libcfitsio).
+ // status seems not to be set to zero after successful API calls
+
+ // Open FITS file and position to first HDU containing an image
+ fitsfile *fp;
+ if ( fits_open_image( &fp, infile.c_str(), READONLY, &status) > 0 )
+ {
+ fprintf( stderr, "Could not open file %s.\n", infile.c_str() );
+ fits_report_error( stderr, status );
+ return fitsimage = -1;
+ }
+
+ // Gather informations about the image
+ int bits_per_pixel, num_axis;
+ int const MAXDIM=999; // max number supported by FITS standard
+ std::vector<long> sz_axes(MAXDIM,0);
+ if( fits_get_img_param( fp, sz_axes.size(), &bits_per_pixel, &num_axis, sz_axes.data(), &status) > 0 )
+ {
+ fprintf( stderr, "Could not get image information.\n" );
+ fits_report_error( stderr, status );
+ return fitsimage = -1 ;
+ }
+ if( 2 == num_axis )
+ sz_axes[2] = 1;
+ if( 1 == num_axis )
+ sz_axes[1] = 1;
+
+ #ifdef DEBUG
+ std::cerr << bits_per_pixel << " " << num_axis << " ";
+ for( int i=0; i<num_axis; i++ )
+ std::cerr << sz_axes[i] << " ";
+ std::cerr << std::endl;
+ #endif
+
+ // Read image header
+ int num_keys, key_pos;
+ char card[FLEN_CARD]; // standard string lengths defined in fitsioc.h
+ string_vector header;
+ if( fits_get_hdrpos( fp, &num_keys, &key_pos, &status) > 0 ) // get number of keywords
+ {
+ fprintf( stderr, "Could not get number of header keywords\n" ) ;
+ fits_report_error( stderr, status );
+ }
+ for( int i = 1; i <= num_keys; i++ ) // get the keywords
+ {
+ if ( fits_read_record( fp, i, card, &status ) )
+ {
+ fprintf( stderr, "Could not read header keyword\n" );
+ fits_report_error( stderr, status );
+ }
+ else
+ {
+ header.append( std::string(card) );
+ }
+ }
+ header.append( std::string("END\n") ); /* terminate listing with END */
+
+ // Read image data and write it to an octave MArrayN type
+ dim_vector dims(1,1);
+ dims.resize( num_axis );
+ int read_sz=sz_axes[0];
+ for( int i=0; i<num_axis; i++ )
+ {
+ dims(i) = sz_axes[i];
+ #ifdef DEBUG
+ std::cerr << i << " " << sz_axes[i] << std::endl;
+ #endif
+ if(i>0)
+ read_sz *= sz_axes[i];
+ }
+ //std::cerr << "read_sz: " << read_sz << std::endl;
+
+ #ifdef OCTAVE_API_VERSION_NUMBER
+ #if OCTAVE_API_VERSION_NUMBER < 45
+ MArrayN<double> image_data( dims ); // a octave double-type array
+ #else
+ MArray<double> image_data( dims ); // a octace double-type array
+ #endif
+ #else
+ MArray<double> image_data( dims ); // a octace double-type array
+ #endif
+
+ int type = TDOUBLE; // convert read data to double (done by libcfitsio)
+ std::vector<long> fpixel(num_axis,1); // start at first pixel in all axes
+
+ int anynul;
+ if( fits_read_pix( fp, type, fpixel.data(), read_sz, NULL, image_data.fortran_vec(),
+ &anynul, &status ) > 0 )
+ {
+ fprintf( stderr, "Could not read image.\n" );
+ fits_report_error( stderr, status );
+ return fitsimage = -1;
+ }
+
+ // Close FITS file
+ if( fits_close_file(fp, &status) > 0 )
+ {
+ fprintf( stderr, "Could not close file %s.\n", infile.c_str() );
+ fits_report_error( stderr, status );
+ }
+
+ octave_value_list retlist;
+ retlist(0) = image_data;
+ retlist(1) = header;
+
+ return retlist;
+}
+
+static bool any_bad_argument( const octave_value_list& args )
+{
+ if ( args.length() < 1 || args.length() > 2 )
+ {
+ error( "read_fits_image: number of arguments - expecting read_fits_image( filename ) or read_fits_image( filename, extension )" );
+ return true;
+ }
+
+ if( !args(0).is_string() )
+ {
+ error( "read_fits_image: filename (string) expected for first argument" );
+ return true;
+ }
+
+ if( 2 == args.length() )
+ {
+ if( !args(1).is_scalar_type() )
+ {
+ error( "read_fits_image: second argument must be a non-negative scalar integer value" );
+ return true;
+ }
+ double val = args(1).double_value();
+ if( (D_NINT( val ) != val) || (val < 0) )
+ {
+ error( "read_fits_image: second argument must be a non-negative scalar integer value" );
+ return true;
+ }
+
+ }
+
+ return false;
+}
diff --git a/src/save_fits_image.cc b/src/save_fits_image.cc
new file mode 100644
index 0000000..5470d30
--- /dev/null
+++ b/src/save_fits_image.cc
@@ -0,0 +1,167 @@
+// Copyright (C) 2009-2015 Dirk Schmidt <fs at dirk-schmidt.net>
+//
+// This program is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation; either version 3 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program; if not, see <http://www.gnu.org/licenses/>.
+
+
+#include <iostream>
+#include <sstream>
+#include <octave/oct.h>
+
+extern "C"
+{
+#include "fitsio.h"
+}
+
+static bool any_bad_argument( const octave_value_list& args );
+
+DEFUN_DLD( save_fits_image, args, nargout,
+"-*- texinfo -*-\n\
+ @deftypefn {Function File} save_fits_image(@var{filename}, @var{image}, @var{bit_per_pixel})\n\
+ Write @var{IMAGE} to FITS file @var{filename}.\n\n\
+ Datacubes will be saved with NAXIS=3.\n\n\
+ The optional parameter @var{bit_per_pixel} specifies the data type of the pixel values. Accepted string values are BYTE_IMG, SHORT_IMG, LONG_IMG, LONGLONG_IMG, FLOAT_IMG, and DOUBLE_IMG (default). Alternatively, corresponding numbers may be passed, i.e. 8, 16, 32, 64, -32, and -64.\n\n\
+ Use a preceding exclamation mark (!) in the filename to overwirte an existing file.\n\n\
+ Lossless file compression can be used by adding the suffix '.gz' to the filename.\n\n\
+ @seealso{save_fits_image_multi_ext, read_fits_image}\
+ Copyright (c) 2009-2015, Dirk Schmidt <fs@@dirk-schmidt.net>\
+ @end deftypefn")
+{
+ if ( any_bad_argument(args) )
+ return octave_value_list();
+
+ octave_value fitsimage;
+ std::string outfile = args(0).string_value ();
+
+
+ const NDArray image = args(1).array_value();
+ dim_vector dims = image.dims();
+ int num_axis = dims.length();
+ OCTAVE_LOCAL_BUFFER ( long int, sz_axes, num_axis );
+ long int len = 1;
+ for( int i=0; i<num_axis; i++ )
+ {
+ sz_axes[i] = dims(i);
+ len *= dims(i);
+ }
+
+ int bitperpixel = DOUBLE_IMG;
+ if( 3 == args.length() )
+ {
+ if( args(2).is_string() )
+ {
+ if( args(2).string_value() == "BYTE_IMG" )
+ bitperpixel = BYTE_IMG;
+ else if( args(2).string_value() == "SHORT_IMG" )
+ bitperpixel = SHORT_IMG;
+ else if( args(2).string_value() == "LONG_IMG" )
+ bitperpixel = LONG_IMG;
+ else if( args(2).string_value() == "LONGLONG_IMG" )
+ bitperpixel = LONGLONG_IMG;
+ else if( args(2).string_value() == "FLOAT_IMG" )
+ bitperpixel = FLOAT_IMG;
+ else if( args(2).string_value() == "DOUBLE_IMG" )
+ bitperpixel = DOUBLE_IMG;
+ else
+ {
+ fprintf( stderr, "Invalid string value for 'bit_per_pixel': %s\n", args(2).string_value().c_str() );
+ return octave_value_list();
+ }
+ }
+ else if( args(2).is_scalar_type() )
+ {
+ double val = args(2).double_value();
+ if( (D_NINT( val ) == val) )
+ {
+ if( BYTE_IMG == val )
+ bitperpixel = BYTE_IMG;
+ else if( SHORT_IMG == val )
+ bitperpixel = SHORT_IMG;
+ else if( LONG_IMG == val )
+ bitperpixel = LONG_IMG;
+ else if( LONGLONG_IMG == val )
+ bitperpixel = LONGLONG_IMG;
+ else if( FLOAT_IMG == val )
+ bitperpixel = FLOAT_IMG;
+ else if( DOUBLE_IMG == val )
+ bitperpixel = DOUBLE_IMG;
+ else
+ {
+ fprintf( stderr, "Invalid numeric value for 'bit_per_pixel': %f\n", val );
+ return octave_value_list();
+ }
+ }
+ }
+ else
+ {
+ fprintf( stderr, "Third parameter must be a valid string or a valid scalar value.\nSee 'help save_fits_image' for valid values.\n" );
+ return octave_value_list();
+ }
+ }
+
+ int status=0; // must be initialized with zero (I consider this to be a bug in libcfitsio).
+ // status seems not to be set to zero after successful API calls
+
+ // Open FITS file
+ fitsfile *fp;
+ if ( fits_create_file( &fp, outfile.c_str(), &status) > 0 )
+ {
+ fprintf( stderr, "Could not open file %s.\n", outfile.c_str() );
+ fits_report_error( stderr, status );
+ return octave_value_list();
+ }
+
+ long fpixel = 1;
+ if( fits_create_img( fp, bitperpixel, num_axis, sz_axes, &status ) > 0 )
+ {
+ fprintf( stderr, "Could not create HDU.\n" );
+ fits_report_error( stderr, status );
+ return octave_value_list();
+ }
+
+ double * datap = const_cast<double*>( image.fortran_vec() );
+ if( fits_write_img( fp, TDOUBLE, fpixel, len, datap , &status ) > 0 )
+ {
+ fprintf( stderr, "Could not write image data.\n" );
+ fits_report_error( stderr, status );
+ return octave_value_list();
+ }
+
+
+ // Close FITS file
+ if( fits_close_file(fp, &status) > 0 )
+ {
+ fprintf( stderr, "Could not close file %s.\n", outfile.c_str() );
+ fits_report_error( stderr, status );
+ }
+
+ return octave_value_list();
+}
+
+static bool any_bad_argument( const octave_value_list& args )
+{
+ if ( args.length() < 2 || args.length() > 3 )
+ {
+ error( "save_fits_image: number of arguments - expecting save_fits_image( filename, image ) or save_fits_image( filename, image, bitsperpixel )" );
+ return true;
+ }
+
+ if( !args(0).is_string() )
+ {
+ error( "save_fits_image: filename (string) expected for first argument" );
+ return true;
+ }
+
+
+ return false;
+}
diff --git a/src/save_fits_image_multi_ext.cc b/src/save_fits_image_multi_ext.cc
new file mode 100644
index 0000000..02f83a2
--- /dev/null
+++ b/src/save_fits_image_multi_ext.cc
@@ -0,0 +1,174 @@
+// Copyright (C) 2009-2015 Dirk Schmidt <fs at dirk-schmidt.net>
+//
+// This program is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation; either version 3 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program; if not, see <http://www.gnu.org/licenses/>.
+
+
+#include <iostream>
+#include <sstream>
+#include <octave/oct.h>
+
+extern "C"
+{
+#include "fitsio.h"
+}
+
+static bool any_bad_argument( const octave_value_list& args );
+
+DEFUN_DLD( save_fits_image_multi_ext, args, nargout,
+"-*- texinfo -*-\n\
+ @deftypefn {Function File} save_fits_image_multi_ext(@var{filename}, @var{image}, @var{bit_per_pixel})\n\
+ Write @var{IMAGE} to FITS file @var{filename}.\n\n\
+ Datacubes will be saved as multi-image extensions.\n\n\
+ The optional parameter @var{bit_per_pixel} specifies the data type of the pixel values. Accepted string values are BYTE_IMG, SHORT_IMG, LONG_IMG, LONGLONG_IMG, FLOAT_IMG, and DOUBLE_IMG (default). Alternatively, corresponding numbers may be passed, i.e. 8, 16, 32, 64, -32, and -64.\n\n\
+ Use a preceding exclamation mark (!) in the filename to overwirte an existing file.\n\n\
+ Lossless file compression can be used by adding the suffix '.gz' to the filename.\n\n\
+ @seealso{save_fits_image, read_fits_image}\
+ Copyright (c) 2009-2015, Dirk Schmidt <fs@@dirk-schmidt.net>\
+ @end deftypefn")
+{
+ if ( any_bad_argument(args) )
+ return octave_value_list();
+
+ octave_value fitsimage;
+ std::string outfile = args(0).string_value ();
+
+ int num_axis = 2;
+ const NDArray image = args(1).array_value();
+ long int sz_axes[2];
+ sz_axes[0] = image.dim1();
+ sz_axes[1] = image.dim2();
+ int num_images = image.dim3();
+
+ //std::cerr << "num_images " << num_images << std::endl;
+
+ int bitperpixel = DOUBLE_IMG;
+ if( 3 == args.length() )
+ {
+ if( args(2).is_string() )
+ {
+ if( args(2).string_value() == "BYTE_IMG" )
+ bitperpixel = BYTE_IMG;
+ else if( args(2).string_value() == "SHORT_IMG" )
+ bitperpixel = SHORT_IMG;
+ else if( args(2).string_value() == "LONG_IMG" )
+ bitperpixel = LONG_IMG;
+ else if( args(2).string_value() == "LONGLONG_IMG" )
+ bitperpixel = LONGLONG_IMG;
+ else if( args(2).string_value() == "FLOAT_IMG" )
+ bitperpixel = FLOAT_IMG;
+ else if( args(2).string_value() == "DOUBLE_IMG" )
+ bitperpixel = DOUBLE_IMG;
+ else
+ {
+ fprintf( stderr, "Invalid string value for 'bit_per_pixel': %s\n", args(2).string_value().c_str() );
+ return octave_value_list();
+ }
+ }
+ else if( args(2).is_scalar_type() )
+ {
+ double val = args(2).double_value();
+ if( (D_NINT( val ) == val) )
+ {
+ if( BYTE_IMG == val )
+ bitperpixel = BYTE_IMG;
+ else if( SHORT_IMG == val )
+ bitperpixel = SHORT_IMG;
+ else if( LONG_IMG == val )
+ bitperpixel = LONG_IMG;
+ else if( LONGLONG_IMG == val )
+ bitperpixel = LONGLONG_IMG;
+ else if( FLOAT_IMG == val )
+ bitperpixel = FLOAT_IMG;
+ else if( DOUBLE_IMG == val )
+ bitperpixel = DOUBLE_IMG;
+ else
+ {
+ fprintf( stderr, "Invalid numeric value for 'bit_per_pixel': %f\n", val );
+ return octave_value_list();
+ }
+ }
+ }
+ else
+ {
+ fprintf( stderr, "Third parameter must be a valid string or a valid scalar value.\nSee 'help save_fits_image' for valid values.\n" );
+ return octave_value_list();
+ }
+ }
+
+ int status=0; // must be initialized with zero (I consider this to be a bug in libcfitsio).
+ // status seems not to be set to zero after successful API calls
+
+ // Open FITS file
+ fitsfile *fp;
+ if ( fits_create_file( &fp, outfile.c_str(), &status) > 0 )
+ {
+ fprintf( stderr, "Could not open file %s.\n", outfile.c_str() );
+ fits_report_error( stderr, status );
+ return fitsimage = -1;
+ }
+
+ long fpixel = 1;
+ for( int i=0; i<num_images; i++ )
+ {
+ std::cerr << "image: " << i << std::endl;
+ if( fits_create_img( fp, bitperpixel, num_axis, sz_axes, &status ) > 0 )
+ {
+ fprintf( stderr, "Could not create HDU.\n" );
+ fits_report_error( stderr, status );
+ return octave_value_list();
+ }
+ char keyname[9] = "XTENSION";
+ char value[6] = "IMAGE";
+ char comment[16] = "IMAGE extension";
+ if( fits_write_key_str( fp, keyname, value, comment, &status ) > 0 )
+ {
+ fprintf( stderr, "Could not write XTENSION to HDU.\n" );
+ fits_report_error( stderr, status );
+ return octave_value_list();
+ }
+ double * datap = const_cast<double*>( image.fortran_vec() );
+ if( fits_write_img( fp, TDOUBLE, fpixel, sz_axes[0]*sz_axes[1], datap + i*sz_axes[0]*sz_axes[1], &status ) > 0 )
+ {
+ fprintf( stderr, "Could not write image data.\n" );
+ fits_report_error( stderr, status );
+ return octave_value_list();
+ }
+ }
+
+ // Close FITS file
+ if( fits_close_file(fp, &status) > 0 )
+ {
+ fprintf( stderr, "Could not close file %s.\n", outfile.c_str() );
+ fits_report_error( stderr, status );
+ }
+
+ return octave_value_list();
+}
+static bool any_bad_argument( const octave_value_list& args )
+{
+ if ( args.length() < 2 || args.length() > 3 )
+ {
+ error( "save_fits_image_multi_ext: number of arguments - expecting save_fits_image_multi_ext( filename, image ) or save_fits_image_multi_ext( filename, image, bitsperpixel )" );
+ return true;
+ }
+
+ if( !args(0).is_string() )
+ {
+ error( "save_fits_image_multi_ext: filename (string) expected for first argument" );
+ return true;
+ }
+
+
+ return false;
+}
--
Alioth's /home/groups/pkg-octave/bin/git-commit-notice on /srv/git.debian.org/git/pkg-octave/octave-fits.git
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