Difference between revisions of "Slicer3:UIDesign:WorkingProblems:SlicerUsabilityInTractography:Semantics"
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==Comments about the differences between Slicer's semantics and that of other software:== | ==Comments about the differences between Slicer's semantics and that of other software:== | ||
| + | Seems that Slicer's taxonomy of the entities that can comprise a scene can be confusing. We should try to at least define the concepts we use so users can understand how to regard the scene itself, and things that populate it. | ||
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| + | * A new user may not understand what a scene is. | ||
| + | * An ROI is a general term in practice; Slicer uses it to mean an object that delimits the region. | ||
| + | * What distinguishes a fiducial and a glyph? | ||
| + | * What distinguishes a glyph with a defined dimension (diameter for instance) and an ROI? | ||
| + | * Is there a distinction between a manually defined painted region and predefined circle or sphere? | ||
| + | * What distinguishes a label map and a scalar overlay? | ||
| + | * What distinguishes the FG/BG layers and a label layer? | ||
| + | * Slicer's scene contains entities besides what users commonly regard as data. So would be good to clarify a taxonomy of entities for these things (camera, view, layout, parameter nodes, etc.) in a scene. Data objects, display configuration objects, algorithm parameterization objects? Any ideas about this? | ||
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| + | Below is a table of confusing Slicer terms and what they map to in IGT user language. | ||
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| + | == Priority items: (blocking project progress) == | ||
| + | test | ||
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| + | == Proposed plan for addressing issues == | ||
Latest revision as of 14:52, 22 December 2008
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Comments about the differences between Slicer's semantics and that of other software:
Seems that Slicer's taxonomy of the entities that can comprise a scene can be confusing. We should try to at least define the concepts we use so users can understand how to regard the scene itself, and things that populate it.
- A new user may not understand what a scene is.
- An ROI is a general term in practice; Slicer uses it to mean an object that delimits the region.
- What distinguishes a fiducial and a glyph?
- What distinguishes a glyph with a defined dimension (diameter for instance) and an ROI?
- Is there a distinction between a manually defined painted region and predefined circle or sphere?
- What distinguishes a label map and a scalar overlay?
- What distinguishes the FG/BG layers and a label layer?
- Slicer's scene contains entities besides what users commonly regard as data. So would be good to clarify a taxonomy of entities for these things (camera, view, layout, parameter nodes, etc.) in a scene. Data objects, display configuration objects, algorithm parameterization objects? Any ideas about this?
Below is a table of confusing Slicer terms and what they map to in IGT user language.
| Slicer Terminology | Suggested terminology |
| Volume | ImageData |
| ROI(3D) | Volume |
| ROI | ROI (very general term -- could be pixel, pixels in slice, anatomic region, pixels in volume, set of pixels in multi-volumes) |
| Scene | ? All data and its configuration |
| Label | Labeled ROI |
| fiducial | marker |
| Glyph | marker-type |
| surface | ? |
| Model | ? |
| Volume rendering | type of data display |
| Labelmap | Labeled overlay |
| Overlay | Parametric overlay |
Priority items: (blocking project progress)
test
