https://www.slicer.org/w/index.php?action=history&feed=atom&title=Documentation%2F4.5%2FModules%2FTransformVisualizerDocumentation/4.5/Modules/TransformVisualizer - Revision history2026-04-11T01:48:54ZRevision history for this page on the wikiMediaWiki 1.33.0https://www.slicer.org/w/index.php?title=Documentation/4.5/Modules/TransformVisualizer&diff=43675&oldid=prevUpdateBot: Nightly -> 4.52015-11-12T22:06:49Z<p>Nightly -> 4.5</p>
<p><b>New page</b></p><div><font size="+2" color="red">The transform visualization functionality has been merged to the Slicer core (Transforms module, Display section), therefore it is not distributed as a separate extension anymore! [[Documentation/Nightly/Modules/Transforms|See up-to-date information in the Transforms module documentation]]</font><br />
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{{documentation/{{documentation/version}}/module-section|Introduction and Acknowledgements}}<br />
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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><br />
Author: Franklin King (PerkLab, Queen's University)<br><br />
Contributors: Andras Lasso (PerkLab, Queen's University), Csaba Pinter (PerkLab, Queen's University)<br><br />
Contact: Andras Lasso, <email>lasso@cs.queensu.ca</email><br><br />
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[[Image:TransformVisualizerLogo.png]]<br />
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The Transform Visualizer module visualizes transforms using various options. The module can visualize any transform (linear transform, B-spline deformable transform, any other non-linear transform) or vector volume.<br />
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* Visualize deformation fields<br />
* Visualize vector volumes<br />
* Visualize transforms<br />
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|[[File:SlicerRT_DefFieldVisGlyphUI.png|thumb|320px|Transform Visualizer module UI with glyph visualization mode active]]<br />
|[[File:SlicerRT_DefFieldVisModels.png|thumb|700px|Transform Visualizer modes]]<br />
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* IO<br />
** Input<br />
*** Deformation: The deformation which will be visualized. The deformation can be represented as either a vector volume or a transform (linear or non-linear) with a reference image.<br />
*** 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.<br />
** Output<br />
*** Output Model: A model to be selected or created that will contain the output.<br />
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* Visualization Mode<br />
** Glyph: Generates glyphs oriented to the vector direction and scaled to the vector magnitude<br />
** Grid: Generates a cube grid that is warped by the deformation field<br />
** Block: Generates a rectangular model that is then warped by the deformation field<br />
** Contour: Generates isosurfaces according to the vector magnitudes of the deformation field<br />
** 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<br />
** Grid Slice: Projects the deformation field to a chosen slice view and generates a cube grid that is warped by the deformation field<br />
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* Parameters<br />
** Glyph Options<br />
*** Number of Glyphs: Number of randomly placed glyphs to create<br />
*** Magnitude Threshold: Only vectors with a magnitude within the specified range will be represented with a glyph<br />
*** Scaling<br />
**** Scale Factor: Multiplier for size of glyph relative to vector magnitude<br />
**** Directional Scaling: Scale glyph only along the vector direction<br />
**** Isotropic Scaling: Scale glyph in all directions<br />
*** Source: Model to be used as the glyph model; arrow, cone, and sphere are available and each have their own respective options<br />
*** Random Seed: Seed used for random placement of glyphs<br />
** Grid Options<br />
*** Scale Factor: Multiplier for the scale of the deformation<br />
*** Spacing: Line spacing used to generate a cube grid<br />
** Block Options<br />
*** Scale Factor: Multiplier for the scale of the deformation<br />
** Contour Options<br />
*** Number of Contours: Number of contours to generate between the specified range values<br />
*** Range: Range to create contours within<br />
*** 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)<br />
** Glyph Slice Options<br />
*** Slice: Slice view to orient and project the glyphs to<br />
*** Number of Glyphs: Number of randomly placed glyphs to create in total<br />
*** Magnitude Threshold: Only vectors with a magnitude within the specified range will be represented with a glyph<br />
*** Scale Factor: Multiplier for size of glyph relative to vector magnitude<br />
*** Random Seed: Seed used for random placement of glyphs<br />
** Grid Slice Options<br />
*** Slice: Slice view to orient and project the glyphs to<br />
*** Scale Factor: Multiplier for size of glyph relative to vector magnitude<br />
*** Spacing: Line spacing used to generate a square grid<br />
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