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libpano13 is the PanoTools library for panoramic imaging.

A libpano13-2.9.21 rc3 tarball has been uploaded to sourceforge, this is
a release candidate for testing that may become the final release:

https://sourceforge.net/projects/panotools/files/libpano13/libpano13-2.9.21/

This release should be binary compatible with previous versions - This means
that prebuilt Hugin executables should just work with this libpano13.

There has been one change since 2.9.21 rc2:

* Fix for bigendian architecture check for FreeBSD

SHA256SUM: 79e5a1452199305e2961462720ef5941152779c127c5b96fc340d2492e633590 
libpano13-2.9.21_rc3.tar.gz

This rc3 release is equivalent to HG 906:2d4aeb9ca433

Here is the full ChangeLog since 2.9.20 for more details:

2021-12-13 17:25 +0100  tmodes  <tmodes>  (1f44b6e37e89)

        * panorama.h:
        Fixes big endian check for FreeBSD

2021-11-29 20:46 +0000  Bruno Postle  <[email protected]>  (cdd43e6c053c)

        * ChangeLog.hg:
        update ChangeLog.hg

2021-11-28 10:20 +0100  tmodes  <tmodes>  (3fb06db30161)

        * panorama.h:
        Improved fix for endianess for more systems

2021-11-02 20:45 +0000  Bruno Postle  <[email protected]>  (84b6a82c8afc)

        * panorama.h:
        Fix for bigendian architectures (Thomas Modes)

2021-11-01 18:47 +0000  Bruno Postle  <[email protected]>  (4d12cc78cc80)

        * CMakeLists.txt:
        Fix support for lib/lib64 installation dirs (Andreas Metzler)

2021-10-30 14:37 +0200  tmodes  <tmodes>  (a97fddc5a031)

        * CMakeLists.txt:
        Fix pkg-config file contents and location (Patch by Andreas Metzler)

2021-10-28 17:43 +0200  tmodes  <tmodes>  (1b0e1a205121)

        * CMakeLists.txt:
        Check if linking against libm is needed

2021-10-28 17:43 +0200  tmodes  <tmodes>  (b6aef04b6318)

        * CMakeLists.txt:
        Let CMake for itself figure out the lib directory

2021-10-26 21:24 +0200  tmodes  <tmodes>  (2822f00918bc)

        * tools/CMakeLists.txt:
        Install tools in all configurations

2021-10-26 17:39 +0200  tmodes  <tmodes>  (343847e37b1f)

        * CMakeLists.txt:
        Remove Windows rc files from file list for Unix

2021-10-26 17:37 +0200  tmodes  <tmodes>  (af97aa936771)

        * CMakeLists.txt:
        Fixes generation of libpano13.pc file

2021-10-16 19:04 +0100  Bruno Postle  <[email protected]>  (ac7932640266)

        * ChangeLog.hg:
        update Changelog.hg

2021-09-18 11:22 +0200  tmodes  <tmodes>  (454a8e337d54)

        * CMakeLists.txt:
        Silence a CMake warning

2021-09-18 11:08 +0200  tmodes  <tmodes>  (ef176a030c82)

        * PTcommon.c, parser.c, ppm.c, resample.c,
        tests/simpleTiff2psd/reference/simpleStitch_crop_1_layer.psd,
        tests/simpleTiff2psd/reference/simpleStitch_crop_2_layer.psd,
        tests/simpleTiff2psd/reference/simpleStitch_uncrop_1_layer.psd,
        tests/simpleTiff2psd/reference/simpleStitch_uncrop_2_layer.psd,
        tests/simpleTiff2psd/reference/simpleTiff16-16-_uncrop_1_layer.psd,
        tests/simpleTiff2psd/reference/simpleTiff16-16-_uncrop_2_layer.psd:
        Merged branch libpano13-2.9.21

2021-09-18 11:04 +0200  tmodes  <tmodes>  (e1b647e267a0 <libpano13-2.9.21>)

        * tests/README.TXT,
        tests/simpleTiff2psd/tests/simpleStitch_crop_1_layer.psd,
        tests/simpleTiff2psd/tests/simpleStitch_crop_2_layer.psd,
        tests/simpleTiff2psd/tests/simpleStitch_uncrop_1_layer.psd,
        tests/simpleTiff2psd/tests/simpleStitch_uncrop_2_layer.psd,
        tests/simpleTiff2psd/tests/simpleTiff16-16-_uncrop_1_layer.psd,
        tests/simpleTiff2psd/tests/simpleTiff16-16-_uncrop_2_layer.psd:
        deleted file.
        * tests/README.TXT,
        tests/simpleTiff2psd/tests/simpleStitch_crop_1_layer.psd,
        tests/simpleTiff2psd/tests/simpleStitch_crop_2_layer.psd,
        tests/simpleTiff2psd/tests/simpleStitch_uncrop_1_layer.psd,
        tests/simpleTiff2psd/tests/simpleStitch_uncrop_2_layer.psd,
        tests/simpleTiff2psd/tests/simpleTiff16-16-_uncrop_1_layer.psd,
        tests/simpleTiff2psd/tests/simpleTiff16-16-_uncrop_2_layer.psd:
        Remove unused files

2021-09-18 11:03 +0200  tmodes  <tmodes>  (d247e9b41788 <libpano13-2.9.21>)

        * file.c,
        tests/simpleTiff2psd/reference/simpleStitch_crop_1_layer.psd,
        tests/simpleTiff2psd/reference/simpleStitch_crop_2_layer.psd,
        tests/simpleTiff2psd/reference/simpleStitch_uncrop_1_layer.psd,
        tests/simpleTiff2psd/reference/simpleStitch_uncrop_2_layer.psd,
        tests/simpleTiff2psd/reference/simpleTiff16-16-_uncrop_1_layer.psd,
        tests/simpleTiff2psd/reference/simpleTiff16-16-_uncrop_2_layer.psd:
        PTTiff2psd: Don't write libpano13 version number in generated files

        Regenerate test reference files with libpano13 version number

2021-09-18 11:02 +0200  tmodes  <tmodes>  (d75bed990894 <libpano13-2.9.21>)

        * adjust.c, levmar.c, levmar.h, optimize.c:
        Further speedup of sparse optimizer by direct calculation of
        Jacobian matrix

        Initial patch by Florian Königstein

2021-09-14 17:47 +0200  tmodes  <tmodes>  (fd9dd1404381)

        * tests/simpleTiff2psd/reference/simpleStitch_crop_1_layer.psd,
        tests/simpleTiff2psd/reference/simpleStitch_crop_2_layer.psd,
        tests/simpleTiff2psd/reference/simpleStitch_uncrop_1_layer.psd,
        tests/simpleTiff2psd/reference/simpleStitch_uncrop_2_layer.psd,
        tests/simpleTiff2psd/reference/simpleTiff16-16-_uncrop_1_layer.psd,
        tests/simpleTiff2psd/reference/simpleTiff16-16-_uncrop_2_layer.psd:
        Update version number in reference files for test

        Test are now passed again

2021-05-09 16:28 +0200  tmodes  <tmodes>  (6f94e735c4b7 <libpano13-2.9.21>)

        * parser.c:
        Check that linking of image variables is done correctly

        Reject forward linking or negative image numbers

2021-04-23 17:55 +0200  tmodes  <tmodes>  (62aa7eed8fae <libpano13-2.9.21>)

        * parser.c:
        Check pointer before incrementing - prevent crash

2021-04-23 17:55 +0200  tmodes  <tmodes>  (40c5cc21f660 <libpano13-2.9.21>)

        * tools/PTtiffdump.c:
        PTtiffdump: Removed unused overwrite option

2021-04-23 17:54 +0200  tmodes  <tmodes>  (9efcca9c36ea <libpano13-2.9.21>)

        * tools/PTtiffdump.c:
        PTtiffdump: Fixes typos in usage screen

2021-04-15 19:19 +0200  tmodes  <tmodes>  (efd9cc171025 <libpano13-2.9.21>)

        * CMakeLists.txt:
        More fiddeling with install target on Windows

        Some more dll were needed Improve search logic

2021-04-15 18:17 +0200  tmodes  <tmodes>  (51ea609a2352 <libpano13-2.9.21>)

        * .cvsignore, doc/.cvsignore, man/.cvsignore, tests/.cvsignore,
        tests/simpleStitch/.cvsignore,
        tests/simpleStitch/reference/.cvsignore,
        tests/simpleTiff16/.cvsignore,
        tests/simpleTiff16/reference/.cvsignore, tools/.cvsignore: deleted
        file.
        * .cvsignore, doc/.cvsignore, man/.cvsignore, tests/.cvsignore,
        tests/simpleStitch/.cvsignore,
        tests/simpleStitch/reference/.cvsignore,
        tests/simpleTiff16/.cvsignore,
        tests/simpleTiff16/reference/.cvsignore, tools/.cvsignore:
        Removed old and outdated files from CVS

2021-04-15 18:16 +0200  tmodes  <tmodes>  (a491c533c1c4 <libpano13-2.9.21>)

        * README.windows, makefile.win32: deleted file.
        * README.windows, makefile.win32:
        Removed obsolete files for Windows

2021-04-15 18:15 +0200  tmodes  <tmodes>  (adb2b4a56090 <libpano13-2.9.21>)

        * CMakeLists.txt:
        Install necessary DLL for Windows

2021-04-15 17:57 +0200  tmodes  <tmodes>  (06f08ec6d7ca <libpano13-2.9.21>)

        * CMakeLists.txt, man/CMakeLists.txt:
        Create the man pages during build process

2021-04-15 08:51 +0100  Bruno Postle  <[email protected]>  (42b62897faf3 
<libpano13-2.9.21>)

        * AUTHORS:
        Convert AUTHORS file from Latin1 to UTF-8

2021-04-15 00:50 +0100  Bruno Postle  <[email protected]>  (115bebb424ed 
<libpano13-2.9.21>)

        * CMakeLists.txt:
        CMake pick-up version number from version.h

2021-04-15 00:19 +0100  Bruno Postle  <[email protected]>  (31ab188bf42d 
<libpano13-2.9.21>)

        * README.linux: deleted file.
        * INSTALL, README, README.linux:
        Update installation instructions for cmake build system

2021-04-14 23:41 +0100  Bruno Postle  <[email protected]>  (f57d275ee4d6 
<libpano13-2.9.21>)

        * PTcommon.c, parser.c, ppm.c, resample.c:
        remove executable bit from source files

2021-04-14 23:34 +0100  Bruno Postle  <[email protected]>  (7448ebf4d707 
<libpano13-2.9.21>)

        * CMakeModules/FindSUITESPARSE.cmake, man/Makefile: new file.
        * Makefile.am, bootstrap, build/.cvsignore,
        build/CMakeModules/FindSUITESPARSE.cmake, build/Makefile.am,
        build/README, build/win32/.cvsignore, build/win32/Makefile.am,
        build/win32/compile-resource, build/win32/lt-compile-resource,
        configure.ac, doc/Makefile.am, m4/.cvsignore, m4/Makefile.am,
        m4/ax_check_graphics.m4, m4/ax_check_java.m4, man/Makefile.am,
        tests/Makefile.am, tests/simpleStitch/Makefile.am,
        tests/simpleStitch/reference/Makefile.am,
        tests/simpleTiff16/Makefile.am,
        tests/simpleTiff16/reference/Makefile.am,
        tests/simpleTiff2psd/Makefile.am,
        tests/simpleTiff2psd/reference/Makefile.am,
        tests/simpleTiff2psd/tests/Makefile.am, tools/Makefile.am: deleted
        file.
        * .hgignore, CMakeLists.txt, CMakeModules/FindSUITESPARSE.cmake,
        Makefile.am, bootstrap, build/.cvsignore,
        build/CMakeModules/FindSUITESPARSE.cmake, build/Makefile.am,
        build/README, build/win32/.cvsignore, build/win32/Makefile.am,
        build/win32/compile-resource, build/win32/lt-compile-resource,
        configure.ac, doc/Makefile.am, m4/.cvsignore, m4/Makefile.am,
        m4/ax_check_graphics.m4, m4/ax_check_java.m4, man/Makefile,
        man/Makefile.am, tests/Makefile.am, tests/simpleStitch/Makefile.am,
        tests/simpleStitch/reference/Makefile.am,
        tests/simpleTiff16/Makefile.am,
        tests/simpleTiff16/reference/Makefile.am,
        tests/simpleTiff2psd/Makefile.am,
        tests/simpleTiff2psd/reference/Makefile.am,
        tests/simpleTiff2psd/tests/Makefile.am, tools/Makefile.am:
        Remove autotools build system

2021-04-14 17:48 +0200  tmodes  <tmodes>  (6413c8758fc8 <libpano13-2.9.21>)

        * build/CMakeModules/FindSUITESPARSE.cmake, levmar.c, levmar.h: new
        file.
        * AUTHORS, CMakeLists.txt, adjust.c,
        build/CMakeModules/FindSUITESPARSE.cmake, levmar.c, levmar.h,
        optimize.c:
        Added new sparse Levenberg Marquardt algorithm (Florian Königstein)

        The sparse Levenberg Marquardt should be faster than the current
        dense Levenberg Marquardt algorithm used before

        It is optional and can be activated in the build system

        It needs the SuiteSparse package for doing the calculations

2021-04-14 17:37 +0200  tmodes  <tmodes>  (41d8c3032007 <libpano13-2.9.21>)

        * parser.c:
        Added more error checking for reading v lines (Florian Königstein)

2021-04-10 11:33 +0200  tmodes  <tmodes>  (c36f88d24fce <libpano13-2.9.21>)

        * parser.c:
        Initialize enough value for writing to output, part 2 (Florian
        Königstein)

        Also provide enough space for the cp description in the PTOptimizer
        output (for each cp, 3 lines are written)

2021-04-10 10:48 +0200  tmodes  <tmodes>  (0218eab2f0ca <libpano13-2.9.21>)

        * parser.c:
        Initialize enough value for writing to output (Florian Königstein)

        The introduction of the translation parameters has increased the
        size of the output block for each image, so increase the size

2021-04-09 17:29 +0200  tmodes  <tmodes>  (2106eb0dfaad <libpano13-2.9.21>)

        * .hgignore:
        Don't ignore CMake files

2021-04-07 19:31 +0200  tmodes  <tmodes>  (cc6fa699e0bb <libpano13-2.9.21>)

        * optimize.c:
        One more safer string formatting

2021-04-07 19:13 +0200  tmodes  <tmodes>  (c1955b6aca96 <libpano13-2.9.21>)

        * lmdif.c, optimize.c:
        Explicit use 64 bit int type for fjac in LMStruct

        On Windows, even on 64 bit system int is only 32 bit For big project
        the 32 bit integer is too small for holding all values in fjac

        Patch based on initial findings by Florian Königstein

2021-04-07 17:21 +0200  tmodes  <tmodes>  (40f9fc3210d3 <libpano13-2.9.21>)

        * parser.c:
        Removed an unnecessary while check

2021-04-06 18:26 +0200  tmodes  <tmodes>  (d525d97cd36c <libpano13-2.9.21>)

        * parser.c:
        Correctly count empty lines when parsing script

2021-04-06 17:13 +0200  tmodes  <tmodes>  (6efce6f96b29 <libpano13-2.9.21>)

        * parser.c:
        One more fix for format string in error reporting

2021-04-06 17:13 +0200  tmodes  <tmodes>  (1909bbffd0b5 <libpano13-2.9.21>)

        * CMakeLists.txt:
        Fixes typo in CMake

2021-04-06 17:13 +0200  tmodes  <tmodes>  (0890432e6c60 <libpano13-2.9.21>)

        * CMakeLists.txt:
        CMake: Set minimum version to 3.0

        Newer CMake version don't support compatibility to 2.8 version
        anymore

2021-04-05 18:07 +0200  tmodes  <tmodes>  (0d5b64db974a <libpano13-2.9.21>)

        * parser.c:
        Fix some error strings

2021-04-05 17:21 +0200  tmodes  <tmodes>  (be688177f217 <libpano13-2.9.21>)

        * PaniniGeneral.c:
        Fixes an include, use local version

2021-04-04 17:15 +0200  tmodes  <tmodes>  (db0620862d38 <libpano13-2.9.21>)

        * ColourBrightness.c, PTcommon.c, adjust.c, correct.c, file.c,
        filter.c, fourier.c, optimize.c, parser.c, ppm.c, ptstitch.c,
        resample.c, seamer_.c, sys_ansi.c, sys_compat_win.c, sys_win.c,
        tools/PTAInterpolate.c, tools/PTtiff2psd.c, tools/panoinfo.c:
        Replace sprintf calls with safer snprintf calls

        Initial patch by Florian Königstein

2021-04-04 16:20 +0200  tmodes  <tmodes>  (cd23befa4e3a <libpano13-2.9.21>)

        * LocalDefs.props, LocalDefs.vsprops, libpano.sln, libpano.vcproj,
        libpano.vcxproj, tools/PTAInterpolate.vcproj,
        tools/PTAInterpolate.vcxproj, tools/PTOptimizer.vcproj,
        tools/PTOptimizer.vcxproj, tools/PTblender.vcproj,
        tools/PTblender.vcxproj, tools/PTcrop.vcproj, tools/PTcrop.vcxproj,
        tools/PTinfo.vcproj, tools/PTinfo.vcxproj, tools/PTmasker.vcproj,
        tools/PTmasker.vcxproj, tools/PTmender.vcproj,
        tools/PTmender.vcxproj, tools/PTroller.vcproj,
        tools/PTroller.vcxproj, tools/PTtiff2psd.vcproj,
        tools/PTtiff2psd.vcxproj, tools/PTtiffdump.vcproj,
        tools/PTtiffdump.vcxproj, tools/PTuncrop.vcproj,
        tools/PTuncrop.vcxproj: deleted file.
        * LocalDefs.props, LocalDefs.vsprops, libpano.sln, libpano.vcproj,
        libpano.vcxproj, tools/PTAInterpolate.vcproj,
        tools/PTAInterpolate.vcxproj, tools/PTOptimizer.vcproj,
        tools/PTOptimizer.vcxproj, tools/PTblender.vcproj,
        tools/PTblender.vcxproj, tools/PTcrop.vcproj, tools/PTcrop.vcxproj,
        tools/PTinfo.vcproj, tools/PTinfo.vcxproj, tools/PTmasker.vcproj,
        tools/PTmasker.vcxproj, tools/PTmender.vcproj,
        tools/PTmender.vcxproj, tools/PTroller.vcproj,
        tools/PTroller.vcxproj, tools/PTtiff2psd.vcproj,
        tools/PTtiff2psd.vcxproj, tools/PTtiffdump.vcproj,
        tools/PTtiffdump.vcxproj, tools/PTuncrop.vcproj,
        tools/PTuncrop.vcxproj:
        Removed Visual studio solution files They can be recreated with the
        CMake build system

2021-04-04 16:16 +0200  tmodes  <tmodes>  (ac03fda20014 <libpano13-2.9.21>)

        * ColourBrightness.c, queryfeature.c:
        Removed some workaround for newer MS Visual compilers

2021-04-04 16:16 +0200  tmodes  <tmodes>  (2b892d820e97 <libpano13-2.9.21>)

        * configure.ac, version.h:
        Update version numbers
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