Criteria used by calcGrains to decide which neighbouring measurements belong to one grain.

Class or function	Description
grainBoundaryCriterion	the base of the grain boundary criteria: how connected pairs of neighbouring measurements are, 1 no boundary, 0.5 a low angle boundary inside a grain, 0 a boundary
gbcAngle	the criterion of a threshold on the misorientation angle: one angle, or a high and a low angle threshold, the pair counting as the share of the levels it stays below
gbcSoft	a smooth transition instead of a threshold, so a pair near the threshold is joined or not by how far it is from it rather than by which side it fell on
gbcEqual	two measurements belong together when the values of a property agree, which is how a segmentation by variant, by parent grain or by any imported label is done
gbcCustom	a criterion given as a function of the map and the two measurement indices, or as a per-pixel property, its values or the name of a property of the map, with the largest difference that still counts as one grain, gbcCustom(‘grainId’, 0.5)
gbcFMC	the grain boundary criterion of fast multiscale clustering
connectivity	connectivity(crit, ebsd, i, j) is crit.evaluate(ebsd, i, j): the connectivity of the pairs of neighbouring measurements

Citing this page. This page is part of the documentation of MTEX, a free and open source MATLAB toolbox for analyzing and modeling crystallographic textures. It was written by The MTEX Developers and is published at https://mtex-toolbox.github.io/grainBoundaryCriteria_index_py.html. If you use MTEX, or reuse text or figures from this page, in your research, please cite

F. Bachmann, R. Hielscher, H. Schaeben: Texture Analysis with MTEX - Free and Open Source Software Toolbox, Solid State Phenomena 160 (2010), 63-68. 10.4028/www.scientific.net/SSP.160.63

BibTeX

@article{bachmann2010mtex,
  author  = {F. Bachmann and R. Hielscher and H. Schaeben},
  title   = {Texture Analysis with MTEX - Free and Open Source Software Toolbox},
  journal = {Solid State Phenomena},
  volume  = {160},
  pages   = {63-68},
  year    = {2010},
  doi     = {10.4028/www.scientific.net/SSP.160.63},
  url     = {https://doi.org/10.4028/www.scientific.net/SSP.160.63}
}

Other papers describing specific MTEX methods are listed under Publications — please cite the one that best fits your application. The MTEX source code is licensed under the GNU General Public License v2.0; the text and figures of this documentation are licensed under CC BY 4.0, which permits reuse — including by automated systems — provided The MTEX Developers and this page are credited.

Grain boundary criteria