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| =Siril 0.9 alpha= | | =Siril 0.9 alpha= |
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| The alpha version is the name of the version currently being developed. It is not released as a package and can only be obtained from the subversion repository linked in the [[Siril#Installation_instructions|main page]]. The first release will be [[0.9 beta]]. | | The alpha version is the name of the transitioning version of Siril between the old 0.8 and the first release of the new version as [[Siril:0.9.0 beta|0.9.0 beta]]. It was not released as a package and can only be obtained from the subversion repository linked in the [[Siril#Installation_instructions|main page]]. |
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| This version is developed and tested on Linux Mint 15, Debian 7 and Arch Linux. See the [[Siril:install|installation page]] for help on dependencies and compilation. | | This version was developed and tested on Linux Mint 15, Debian 7 and Arch Linux. See the [[Siril:install|installation page]] for help on dependencies and compilation. |
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| ==What's new in Siril 0.9 alpha==
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| Siril 0.9 alpha is the new version (2013-2014) of Siril. It is a massive upgrade of the previous 0.8 version of 2006 ([http://sourceforge.net/projects/siril/ old website]). Many things have changed since then, including:
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| * new [[Siril#Who_is_behind_Siril.3F|development team]] and [[Siril|website]]
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| * many new image formats supported for import (converted to Siril's FITS: 8-bit and 16-bit BMP, TIFF, JPEG, PNG, NetPBM binary images, RAW DSLR images and loaded natively: SER files and any film with AVI extension) and export
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| * better image sequence handling, with non-contiguous sequences, but still requiring file names to be postfixed by integers (like: image001.fit and not image001L.fit)
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| * new graphical user interface based on GTK+ version 3.4 and above, and in general, update of dependencies to latest versions
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| * new display modes added to the standard linear scaling with lo/hi bounds: log, asinh, sqr, sqrt, histeq, negative, false colors
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| * manual translation as new registration method with two preview renderings of the current image with reference frame in transparency
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| * automatic translation as new registration method for deep-sky images, based on the FWHM analysis of one star instead of DFT, more suited for planetary images
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| * new commands available for the command line, see the list of [[Siril:Commands|available commands]]
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| * a star finding algorithm with [[Siril:PSF|PSF]] information
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| * new processing functions: unsharp mask, background extraction, green dominance removal, new method for background equalization, and two-way Fourier transform used to remove annoying patterns in images
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| * numerous bugs fixed and internal code refactoring for a better extensibility
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