image volume:

  Image (0x7fceea9423a0)
     Dimension: 3
     Dimensions: 256 256 49 
     Channel: Unnamed []
     PixelType: 
     BytesPerElement: 1
     ComponentType: unsigned_char
     NumberOfComponents: 1
     BitsPerComponent: 8

     TimeGeometry:     ProportionalTimeGeometry (0x7fcee24afb80)
       TimeSteps: 1
       FirstTimePoint: -1.79769e+308
       StepDuration: inf ms

       GetGeometryForTimeStep(0):       SlicedGeometry3D (0x7fceeaa0d0a0)
         IndexToWorldTransform: 
        Matrix: 
          1 0 0 
          0 1 0 
          0 0 3 
        Offset: [0, 0, 0]
        Center: [0, 0, 0]
        Translation: [0, 0, 0]
        Inverse: 
          1 0 0 
          0 1 0 
          0 0 0.333333 
        Scale : 1 1 1 
         BoundingBox:         ( 0,256 0,256 0,49  )
         Origin: [0, 0, 0]
         ImageGeometry: 1
         Spacing: [1, 1, 3]
         TimeBounds: [-1.79769e+308, 1.79769e+308]
         EvenlySpaced: 1
         DirectionVector: [0, 0, 1]
         Slices: 49

         GetGeometry2D(0):         PlaneGeometry (0x7fcee658bb70)
           IndexToWorldTransform: 
          Matrix: 
            1 0 0 
            0 1 0 
            0 0 3 
          Offset: [0, 0, 0]
          Center: [0, 0, 0]
          Translation: [0, 0, 0]
          Inverse: 
            1 0 0 
            0 1 0 
            0 0 0.333333 
          Scale : 1 1 1 
           BoundingBox:           ( 0,256 0,256 0,1  )
           Origin: [0, 0, 0]
           ImageGeometry: 1
           Spacing: [1, 1, 3]
           TimeBounds: [-1.79769e+308, 1.79769e+308]
           ScaleFactorMMPerUnitX: 1
           ScaleFactorMMPerUnitY: 1
           Normal: [0, 0, 3]




widget1 plane:

  Geometry2DData (0x7fcee64aa660)

     TimeGeometry:     ProportionalTimeGeometry (0x7fcee485e580)
       TimeSteps: 1
       FirstTimePoint: 0
       StepDuration: 1 ms

       GetGeometryForTimeStep(0):       PlaneGeometry (0x7fcee487c4a0)
         IndexToWorldTransform: 
        Matrix: 
          1 0 0 
          0 -1 0 
          0 0 -3 
        Offset: [-0.5, 255.5, 72]
        Center: [0, 0, 0]
        Translation: [-0.5, 255.5, 72]
        Inverse: 
          1 0 0 
          0 -1 0 
          0 0 -0.333333 
        Scale : 1 1 1 
         BoundingBox:         ( 0,256 0,256 0,1  )
         Origin: [-0.5, 255.5, 72]
         ImageGeometry: 0
         Spacing: [1, 1, 3]
         TimeBounds: [0, 1]
         ScaleFactorMMPerUnitX: 1
         ScaleFactorMMPerUnitY: 1
         Normal: [0, 0, -3]




resampled imge:

  Image (0x7fceea882e10)
     Dimension: 2
     Dimensions: 256 256 
     Channel: Unnamed []
     PixelType: 
     BytesPerElement: 1
     ComponentType: unsigned_char
     NumberOfComponents: 1
     BitsPerComponent: 8

     TimeGeometry:     ProportionalTimeGeometry (0x7fcee76a9450)
       TimeSteps: 1
       FirstTimePoint: 0
       StepDuration: 1 ms

       GetGeometryForTimeStep(0):       SlicedGeometry3D (0x7fcee767b990)
         IndexToWorldTransform: 
        Matrix: 
          1 0 0 
          0 -1 0 
          0 0 -3 
        Offset: [0, 255, 72]
        Center: [0, 0, 0]
        Translation: [0, 255, 72]
        Inverse: 
          1 0 0 
          0 -1 0 
          0 0 -0.333333 
        Scale : 1 1 1 
         BoundingBox:         ( 0,256 0,256 0,1  )
         Origin: [0, 255, 72]
         ImageGeometry: 1
         Spacing: [1, 1, 3]
         TimeBounds: [0, 1]
         EvenlySpaced: 1
         DirectionVector: [0, 0, -1]
         Slices: 1

         GetGeometry2D(0):         PlaneGeometry (0x7fcee76a7740)
           IndexToWorldTransform: 
          Matrix: 
            1 0 0 
            0 -1 0 
            0 0 -3 
          Offset: [0, 255, 72]
          Center: [0, 0, 0]
          Translation: [0, 255, 72]
          Inverse: 
            1 0 0 
            0 -1 0 
            0 0 -0.333333 
          Scale : 1 1 1 
           BoundingBox:           ( 0,256 0,256 0,1  )
           Origin: [0, 255, 72]
           ImageGeometry: 1
           Spacing: [1, 1, 3]
           TimeBounds: [0, 1]
           ScaleFactorMMPerUnitX: 1
           ScaleFactorMMPerUnitY: 1
           Normal: [0, 0, -3]