Misorientation Phase name issue: There are no indexed data in this variable!

[Zelda Grey]

Dear Rudiger and Ralf,

Sorry for repeating the similar question (the question that I asked before) but I could not a way to solve it. I try to plot misorientation plot of correlated and uncorrelated bar and keep I am getting an error of 'There are no indexed data in this variable!'

here is the ebsd file that I exported with crc interface

ebsd = EBSD (show methods, plot)
 
 Phase  Orientations     Mineral                    Symmetry  Crystal reference frame
     1    259 (8.9%)         Graphite               6/mmm       X||a*, Y||b, Z||c*
     2     718 (25%)         Molybdenite (MoS2)     6/mmm       X||a*, Y||b, Z||c*
     3     449 (15%)         Molybdenite            6/mmm       X||a*, Y||b, Z||c*
     4     578 (20%)         Molybdenite 2H         6/mmm       X||a*, Y||b, Z||c*
     5     920 (31%)         Molybdenite 3R         3m1       X||a*, Y||b, Z||c*
P.S>I clear thecolor for simplicity

Rudiger once told me to use sane phase name and I change Molybdenite (MoS2) to 'Moly' it run (when I change Molybdenite (MoS2) to MoS2 it gives an error)
The Molybdenite (phase 2) is not working at all. I tried 'Molyb', 'Molybden' and I keep getting the error

%COrrelated misorientation
>> correlated_mis=grain3.boundary('Molybdenite','Molybdenite').misorientation 

Error using phaseList/checkSinglePhase (line 287)
There are no indexed data in this variable!

How can I get around this error, obviously it is a phase name problem but I could not figure that,
Thanks in advance
Zelda

[Rüdiger Kilian]

Hi,
mtex usually accept abbreviations of the phases, which works as long as the abbreviation woud be unique for that phase. However, you have 4 phases which all start with 'Molybdenite', so it is very reasonable that they are not uniquely defined by simply shortening the word which they have in common.
To make your life easier, how about renaming your phases to something like '1st_Moly', '2nd_Moly'... and so on in yout definition of the crystal symmetries.

If this doesn't resolve your error, you should check if indeed the phases in question do not share any boudnaries.

Hope that helps.
Cheers,
Rüdiger
________________________________________
From: mtex...@googlegroups.com <mtex...@googlegroups.com> on behalf of Zelda Grey <zelda...@gmail.com>
Sent: Monday, April 29, 2019 5:04:31 PM
To: MTEX
Subject: {MTEX} Misorientation Phase name issue: There are no indexed data in this variable!

Dear Rudiger and Ralf,
Sorry for repeating the similar question (the question that I asked before<https://groups.google.com/forum/#!searchin/mtexmail/zelda$20grey%7Csort:date/mtexmail/j3vXlp5AbfA/FKrq3gNpBgAJ>) but I could not a way to solve it. I try to plot misorientation plot of correlated and uncorrelated bar and keep I am getting an error of 'There are no indexed data in this variable!'

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[Zelda Grey]

Hi Rudiger thank you so much for your reply,

I tried to rename the phases as '1st_Moly', '2nd_Moly' or 'Moly_1st', 'Moly_2nd' but I am still getting the 'Not indexed data error'

And when you say ' you should check, if the phases in question do not share any boundaries' you mean if they are distantly located phases and therefore am I getting an error? And how can I check whether they are sharing boundaries or not?

One more question, since all of the molybdenum in same crystal symmetry is there a way to combine all molybdenite data (all of the molybden phases) and call them as a single phase?

Thanks in advance

Zelda

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[ruediger Kilian]

Hi,
a) do you see your newly assigned phase names in the command window when you type ebsd?
b) To check if two phases share common boundaries, have a look at the output of grains.boundary('X','Y') , where X and Y are the respective names of the phases of interest
c) Yes, you can assign ebsd points simply a new phaseId/phase in the sense of ebsd('X').phaseId = phaseId_of_phase_Y However, I'm not sure if this is a good idea since apparently they were originally mapped with different material files - probably for a good reason?

Cheers,
Rüdiger

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[Zelda Grey]

Hi Rudiger,

Thanks for you reply

a) phase names do not change even I change them individually, here is how I change them, for instance

e2_name='MoS2'

here is the result of the ebsd

Phase  Orientations             Mineral  Color  Symmetry  Crystal reference frame

     1    259 (8.9%)            Graphite            6/mmm       X||a*, Y||b, Z||c*

     2     718 (25%)  Molybdenite (MoS2)            6/mmm       X||a*, Y||b, Z||c*

     3     449 (15%)         Molybdenite            6/mmm       X||a*, Y||b, Z||c*

     4     578 (20%)      Molybdenite 2H          6/mmm       X||a*, Y||b, Z||c*

     5     920 (31%)      Molybdenite 3R           3m1       X||a*, Y||b, Z||c*

 

 Properties: bands, bc, bs, error, mad, reliability index, x, y

 Scan unit : um

b) I checked the common boundaries and some of them empty, some of them not, I do not know what is telling me in error wise that I get other than they do not have a common boundaries

1st check
grains.boundary('Graphite','MoS2')
 
ans = grainBoundary (show methods, plot)
 grain boundary is empty!

2nd check
grains.boundary('Graphite','Molybdenite')

ans = grainBoundary (show methods, plot)
 
 Segments mineral 1 mineral 2
 200 Graphite Molybdenite (MoS2)

 c) is it how I combine the phases

ebsd('MoS2').phaseId = ebsd('Moly').phaseId

but it is giving error, of they do not have a same element number, how can I do that

Thanks in advance

Zelda

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[Rüdiger Kilian]

Hi,
a) potentially you need to change the name in your definition of CS -such as the one generated by the import_wizard when you import the data.
Example: CS={'notndexed' crystalSymmetry(...,'Mineral','1st_moly',...) crystalSymmetry(...,'Mineral','2nd_moly',...) ...}
b) -> first make sure the phases exist. I doubt, based on the output in a) that ebsd(MoS2) will return somethign. Does it? If not, try to assign unique names.
c) Sunytax would be somethign like:
ebsd('phasename').phaseId = 3, obviously with the correct phase name and a number that suits your goal.

Hope that helps.
Cheers,
Rüdiger

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From: mtex...@googlegroups.com <mtex...@googlegroups.com> on behalf of Zelda Grey <zelda...@gmail.com>

Sent: Thursday, May 2, 2019 5:06:16 PM
To: MTEX
Subject: Re: {MTEX} Misorientation Phase name issue: There are no indexed data in this variable!

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[Zelda Grey]

Thanks, Rudiger, I appreciate to your explanations I manage to do that now

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