Ngrain (canada) Corporation

Andrew Woo

Jonathan Young

Meru Brunn

System, computer-readable medium and method are provided for differencing (diffing) first and second sets of 3D voxel data to identify differences that may exist between the two sets. The system includes a 64-bit processor, a memory, and a display. The memory is loaded with the two sets of 3D voxel data arranged in a 64-tree data structure, wherein an occupied or empty state of each voxel is indicated by 1 bit. The processor executes a 3D voxel diffing algorithm including steps of: (i) aligning the first and second sets of 3D voxel data; (ii) making a one-to-one comparison between each voxel in the first set and a corresponding voxel in the second set to create a diff model that records differences found between the first and second sets; and (iii) displaying the content of the diff model on the display.

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Vancouver, Canada

Andrew Woo