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""" |
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@author: John NGUI |
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""" |
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|
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import vtk |
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|
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class ImageReslice: |
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""" |
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Class that defines an image reslice used to resize static |
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(no interaction capability) images. |
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""" |
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|
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def __init__(self): |
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""" |
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Initialise the image reslice. |
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""" |
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|
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self.__vtk_image_reslice = vtk.vtkImageReslice() |
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|
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def _setupImageReslice(self, object): |
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""" |
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Setup the image reslice. |
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|
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@type object: vtkImageData |
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@param object: Image Data |
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""" |
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|
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self.__object = object |
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self.__setInput() |
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|
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def __setInput(self): |
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""" |
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Set the input for the image reslice. |
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""" |
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|
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self.__vtk_image_reslice.SetInput(self.__object) |
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|
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def setSize(self, size): |
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""" |
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Set the size of the image (logo in particular), between 0 and 2. |
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Size 1 (one) displays the image in its original size |
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(which is the default). |
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|
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@type size: Number |
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@param size: Size of the static image |
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""" |
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|
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# By default, with image reslice, the larger the output spacing, the |
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# smaller the image. Similarly, the smaller the output spacing, the |
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# larger the image. This behaviour is reversed so that the larger the |
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# size the image. Similarly, the smaller the size, the smaller the |
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# image. |
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if(size > 1): |
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size = 1 - (size - 1) |
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self.__vtk_image_reslice.SetOutputSpacing(size, size, size) |
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elif(size < 1): |
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size = (1 - size) + 1 |
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self.__vtk_image_reslice.SetOutputSpacing(size, size, size) |
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|
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def _getImageResliceOutput(self): |
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""" |
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Return the output of the image reslice. |
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|
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@rtype: vtkImageData |
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@return: Image data |
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""" |
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|
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return self.__vtk_image_reslice.GetOutput() |