Proposals:Refactoring Index Point Coordinate System
From KitwarePublic
Overview
The conversion between physical points and indices is not consistent in all places in the toolkit.
The following cases must be considered
- Interpolators
- Registration
- Transforms
- DICOM
- Conversion between ITK and VTK
- Backwards compatibility
Motivation
Review of Current Status
Image Class
The image class considers that the location of a pixel is at the physical coordinates of the center of the pixel.
NOTE: The original file for this diagram can be found in
InsightDocuments/SoftwareGuide/Art/ImageOriginAndSpacing.fig
http://www.itk.org/cgi-bin/viewcvs.cgi/SoftwareGuide/Art/ImageOriginAndSpacing.fig?root=InsightDocuments&view=log
PNG Diagram
SVG Diagram
Interpolators
Interpolators are used in the Registration Framework and in the Resampling filters.