Congratulations to everyone responsible for this release!

Changes since 0.6.1

Hugin has changed enormously in the two years since the 0.6.1 
release, hardly any part of the code has remained untouched. There 
have been many many bug-fixes, improvements to the interface and 
lots of new features - Here are just some of them:

Online help

Hugin now has comprehensive help documentation for the entire user 
interface, the manual now includes glossary items explaining many 
panorama stitching and related photography concepts.

Languages

New translations include Slovak, Korean, Bulgarian and Spanish. This 
means that hugin is now usable with a total of twenty languages.

New Assistant panel

Creating simple panoramas is much easier, hugin now starts showing 
an Assistant with a simple 1-2-3 approach for loading images, 
aligning and creating the final output.

The Assistant will estimate lens and camera parameters, then pick a 
suitable output projection and size, advanced options are still 
available for manual adjustment.

Photometric model

Previous versions of hugin and panotools had basic support for 
correcting vignetting and exposure differences between photos.

This has been completely overhauled, hugin now internally uses the 
EMoR model for representing exposure photometrically. This means 
that the camera response curve, vignetting, colour balance and 
exposure can now be optimised in much the same way as geometrical 
properties such as position and lens distortion.

The result is that blending between photos is better than ever 
before.

HDR

Previously hugin supported High Dynamic Range imaging solely by 
allowing stitching of HDR floating-point TIFF photos - These images 
themselves had to be created in another tool.

Now, thanks to the internal photometric model, hugin can now create 
HDR output from normal exposure bracketed photos. The photos don't 
have to be perfectly-aligned, they don't even need to be 
nearly-aligned or have consistent exposure differences - The hugin 
optimiser will sort all this stuff out, and the stitcher will create 
OpenEXR or TIFF HDR output files for later tonemapping or use as 
lightprobes.

Exposure blending

HDR and tonemapping isn't for everybody, enfuse introduced exposure 
blending to the world, and hugin supports aligning and fusing 
bracketed stacks of photos, perfectly, all as part of the stitching 
process.

So now with hugin-0.7.0 and enblend-3.2 you can create realistic, 
photographic panoramas that have no over-exposed or under-exposed 
areas.

Makefile stitching

hugin-0.7.0 introduces a new stitching back-end: previously the 
various stitching tools were executed directly by the GUI, now all 
the commands required to generate the output are written to a 
Makefile which is then processed independently of hugin itself.

Aside from easier debugging and customisation; this background 
stitching allows you to get on with creating a new project while 
waiting for the previous job to finish - Stitching can also be 
deferred or shifted to another machine, even 'headless' servers can 
now be used.

Projections

Hugin has always had the ability to save panoramas using simulated 
normal and fisheye lenses, or 360 degree cylindrical and spherical 
projections.

Now a whole series of alternative cartographic mappings are 
available, of particular interest are the 'conformal' stereographic 
and Mercator projections which can be used to show extremely large 
angles of view with no local distortion.

Project templates

Hugin project files can now be used as templates for new panorama 
projects. This is useful if you take a lot of panoramas with exactly 
the same camera positions.

Other improvements

There's a whole lot of other new stuff in this release: numbering in 
the control-point editor, straight-line control-points, numeric 
transform, clicking to rotate the preview, a straighten button, 
cropping of the output and probably more.

Command-line tools

This release provides new command-line tools:

* align_image_stack: align a nearly-aligned stack of photos
* pto2mk: create a stitching Makefile from a pto project
* vig_optimise: optimise photometric parameters
* tca_correct: calculate lens chromatic aberration
* hugin_hdrmerge: assemble a bracketed stack to HDR
* matchpoint: classify control point features

Control point generators

Hugin doesn't yet ship with a 'Patent Free' control point generator. 
So you either need to pick control points manually - Not as 
difficult as it sounds - or install and configure one of the 
following control-point generators as 'plug-ins', in no particular 
order:

* autopano-sift-C
* panomatic
* Autopano-SIFT
* Autopano freeware version

Upgrading

Upgrading from previous versions of hugin should be seamless. If you 
do have problems with old settings, these can be reset in the 
Preferences by clicking 'Load defaults'.

See the the README and INSTALL_cmake files for more information.

Thanks to all the contributors to this release and members of the 
ptx mailing list, too many to mention here.

Hugin can be found at http://hugin.sourceforge.net/

Hugin sourcecode can be downloaded from sourceforge:

https://sourceforge.net/project/showfiles.php?group_id=77506&package_id=78426

Binary releases are expected to follow in the next few days.


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