Proposals:Refactoring Index Point Coordinate System

From KitwarePublic
Jump to navigationJump to search

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.

PNG Diagram

ImageOriginAndSpacing.png

SVG Diagram

ImageOriginAndSpacing.svg

Interpolators

Interpolators are used in the Registration Framework and in the Resampling filters.

Refactoring Proposal