For example, if I have a grain with blue color in IPF map of my sample, obtained in x direction, it means that 111 of this grain is parallel to x direction, according to IPF triangle. For grains having yellow, orange or other colors inside the triangle, I want to say that 111 of these grains have .... degree difference relative to x direction. How can I have the value of this angle, with a open-source EBSD software, online calculators or a mathematical operation?
If you have access to Matlab I would recommend MTEX http://mtex-toolbox.github.io/
and even more...
https://www.researchgate.net/post/I_am_in_massive_need_of_a_free_texture_analysis_software
Xinfu Gu, what is ATOM like? Is it closer to Channel 5 than MTEX? i.e. does it have a user interface? (couldn't quite work this out from website)
I do like MTEX but it has taken me a long time to get used to the terminology, and when I want to do something quickly it's easier for me to use hkl, (Channel 5 Tango)
Thanks for your answers. I think that I could solve the problem. First place the IPF triangle on the steriographic circle. Then rotate the circle until both the plates lie on a common great circle. Now you can obtain the difference as angle. I the enclosed image I've done it for 110-100 planes. For more information you can see this link:
https://www.uwgb.edu/dutchs/structge/SL94Ang2Pl.HTM
Dear Xinfu Gu
What's the relationship between Euler angles of two points and their misorientation angle?
The difficulty is in the crystallographic equivalents, if you have Matlab MTEX make it easier so you can focus on the material
mtex-toolbox.github.io
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