Difference between revisions of "Documentation/Nightly/Modules/DeformationFieldVisualizer"

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{{documentation/{{documentation/version}}/module-section|Introduction and Acknowledgements}}
 
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This work is part of the SparKit project, funded by An Applied Cancer Research Unit of Cancer Care Ontario with funds provided by the Ministry of Health and Long-Term Care and the Ontario Consortium for Adaptive Interventions in Radiation Oncology (OCAIRO) to provide free, open-source toolset for radiotherapy and related image-guided interventions.<br>
 
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Author: Franklin King (PerkLab, Queen's University)<br>
 
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Contributors: Andras Lasso (PerkLab, Queen's University), Csaba Pinter (PerkLab, Queen's University)<br>
 
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Contact: Franklin King, <email>franklin.king@queensu.ca</email><br>
 
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The Deformation Field Visualizer module visualizes deformation fields using various visualization options. The module recognizes vector volumes, linear transforms, and non-linear transforms as deformation fields.
 
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Visualize deformation fields
 
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{|align="center"
 
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|[[File:SlicerRT_DefFieldVisGlyphUI.png|thumb|320px|Deformation Field Visualizer module UI with glyph visualization mode active]]
 
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|[[File:SlicerRT_DefFieldVisModels.png|thumb|700px|Deformation Field Visualizer modes]]
 
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* IO
 
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** Input
 
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*** Deformation: The deformation field which will be visualized. The deformation field can be represented as either a vector volume or a transform (linear or non-linear) with a reference image.
 
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*** Reference Image: The reference image to be used with a selected transform to generate a deformation field. Enabled only when a transform is selected as the input deformation. The deformation field will be generated when both a valid deformation and a reference image are selected.
 
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** Output
 
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*** Output Model: A model to be selected or created that will contain the output.
 
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* Visualization Mode
 
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** Glyph: Generates glyphs oriented to the vector direction and scaled to the vector magnitude
 
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** Grid: Generates a cube grid that is warped by the deformation field
 
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** Block: Generates a rectangular model that is then warped by the deformation field
 
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** Contour: Generates isosurfaces according to the vector magnitudes of the deformation field
 
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** Glyph Slice: Projects the deformation field to a chosen slice view and generates glyphs oriented to the vector direction and scaled to the vector magnitude
 
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** Grid Slice: Projects the deformation field to a chosen slice view and generates a cube grid that is warped by the deformation field
 
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* Parameters
 
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** Glyph Options
 
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*** Number of Glyphs: Number of randomly placed glyphs to create
 
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*** Magnitude Threshold: Only vectors with a magnitude within the specified range will be represented with a glyph
 
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*** Scaling
 
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**** Scale Factor: Multiplier for size of glyph relative to vector magnitude
 
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**** Directional Scaling: Scale glyph only along the vector direction
 
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**** Isotropic Scaling: Scale glyph in all directions
 
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*** Source: Model to be used as the glyph model; arrow, cone, and sphere are available and each have their own respective options
 
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*** Random Seed: Seed used for random placement of glyphs
 
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** Grid Options
 
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*** Scale Factor: Multiplier for the scale of the deformation
 
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*** Spacing: Line spacing used to generate a cube grid
 
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** Block Options
 
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*** Scale Factor: Multiplier for the scale of the deformation
 
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** Contour Options
 
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*** Number of Contours: Number of contours to generate between the specified range values
 
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*** Range: Range to create contours within
 
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*** Decimate: Target decimation as a decimal percentage reduction in polygons (0 results in no decimation whereas 0.99 results in a target of 99% reduction in polygons)
 
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** Glyph Slice Options
 
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*** Slice: Slice view to orient and project the glyphs to
 
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*** Number of Glyphs: Number of randomly placed glyphs to create in total
 
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*** Magnitude Threshold: Only vectors with a magnitude within the specified range will be represented with a glyph
 
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*** Scale Factor: Multiplier for size of glyph relative to vector magnitude
 
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*** Random Seed: Seed used for random placement of glyphs
 
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** Grid Slice Options
 
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*** Slice: Slice view to orient and project the glyphs to
 
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*** Scale Factor: Multiplier for size of glyph relative to vector magnitude
 
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*** Spacing: Line spacing used to generate a square grid
 
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Latest revision as of 22:28, 7 August 2013

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