Changed DoubleVoxelGridIndex3D to ContinousVoxelGridIndex3D
Summary:
Changed UnsignedIndex3D to Index3D
Changed geometryCoordinateToWorldCoordinate to continousIndexToWorldCoordinate
Changed UnsignedIndex1D to Index1D
Changed variable names to fit BaseType changes
Changed worldCoordinateToGeometryCoordinate to worldCoordinateToContinousIndex
Fixed typo
Test Plan: tests ok
Reviewers: hentsch
Reviewed By: hentsch
Maniphest Tasks: T22448
Differential Revision: https://phabricator.mitk.org/D186