10.3. Compute Average C-Axis Orientations
Group (Subgroup)
Statistics (Crystallographic)
Description
This Filter determines the average C-axis location of each Feature by the following algorithm:
Gather all Elements that belong to the Feature
Determine the location of the c-axis in the sample reference frame for the rotated quaternions for all Elements. This is achieved by converting the input quaternion to and orientation matrix (which represents a passive transform matrix), taking the transpose of the matrix to convert it from passive to active, and thne multiplying the transposed matrix by the crystallographic C-Axis direction vector <001>.
Average the locations and store as the average for the Feature
Note: This Filter will only work properly for Hexagonal materials. The Filter does not apply any symmetry operators because there is only one c-axis (<001>) in Hexagonal materials and thus all symmetry operators will leave the c-axis in the same position in the sample reference frame. However, in Cubic materials, for example, the {100} family of directions are all equivalent and the <001> direction will change location in the sample reference frame when symmetry operators are applied.
This filter will error out if ALL phases are non-hexagonal. Any non-hexagonal phases will have their computed values set to NaN value.
Input Cell Data
Parameter Name |
Parameter Type |
Parameter Notes |
Description |
|---|---|---|---|
Cell Quaternions |
Array Selection |
Allowed Types: float32 Comp. Shape: 4 |
Input quaternion array |
Cell Feature Ids |
Array Selection |
Allowed Types: int32 Comp. Shape: 1 |
Data Array that specifies to which Feature each Element belongs |
Cell Phases |
Array Selection |
Allowed Types: int32 Comp. Shape: 1 |
Specifies to which Ensemble each Cell belongs |
Input Feature Data
Parameter Name |
Parameter Type |
Parameter Notes |
Description |
|---|---|---|---|
Feature Attribute Matrix |
AttributeMatrixSelection |
The path to the cell feature attribute matrix |
Input Ensemble Data
Parameter Name |
Parameter Type |
Parameter Notes |
Description |
|---|---|---|---|
Crystal Structures |
Array Selection |
Allowed Types: uint32 Comp. Shape: 1 |
Enumeration representing the crystal structure for each Ensemble |
Output Feature Data
Parameter Name |
Parameter Type |
Parameter Notes |
Description |
|---|---|---|---|
Average C-Axes |
DataObjectName |
The output average C-Axis values for each feature |
Example Pipelines
EBSD_Hexagonal_Data_Analysis
License & Copyright
Please see the description file distributed with this Plugin
DREAM3D-NX Help
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