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How to calculate the space between dicom slices for MPR?

Due to the display of the MPR representation based on Dicoms. I made a 3D array from a series of dicom files. And I show it from the side of Koronal and Sagittal.

My 3D array includes: 

 - z = count of dicoms
 - c = column value for every dicoms
 - r = Row value for every dicoms

But I have a problem. When there is some space between the slices, the image is created in such a way that the correct view is not displayed. Because I can not imagine the distance between them!

I do not know how to calculate the space between slices? I want to add extra space between slices. for example, If the space between slices is 4. I need to add 4 time z inner fragments.

I hope to come.

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+11

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