Stuart <for...@gimpusers.com> writes:
> No! There are some plugins that attempt to align images for HDR purposes, but
> I have not found anything adequate to the job of focus stacking.
> I use this technique a great deal in producing photographs of insects to
> illustrate keys.
> If you want open source, try Hugin. You can use align_image_stack.exe to do
> the necessary image alignment and adjust magnification (but maybe that is not
> necessary for Astronomy) and then enfuse.exe to do the actual image merging.
> Helicon Focus is probably the leading commercial package. The results from
> Hugin and Helicon are indistiguishable in my tests, but Helicon has a nice
> user interface and is much faster because it makes better use of multiple
> CPUs (align_image_stack is single threaded, enfuse has a limited
> multi-threaded version). There is a free 30-day trial version of Helicon and
> the licence is not expensive.
> I use GIMP to do the post-processing once I have a completed stack. Often
> needs all the usual exposure adjustments, rotation, etc. - and removal of
> specimen pins.
Darktable also does HDR as of version 0.8 :)
I haven't tried it yet.
See also http://garmahis.com/tutorials/hdr-tutorial-free-software/ and
Kevin Brubeck Unhammer
http://donttrack.us/ -- because you're worth it
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