The voxel grid and other conversion parameters are set on the MCNP Options dialog. The grid spacing can be specified in pixels, centimeters, or a number of grid lines in each direction. A square grid can be specified, in which case only a single value need be entered. The program issues a warning if the grid spacing is such that the last grid line does not fall at the edge of the image. Specification of the grid spacing in terms of pixels is recommended.
The voxel grid may be drawn over the image as shown in This figure . The dialog contains fields for the line width and color of the overlaid grid. Grid visibility is set on the dialog, with menu items and the grid toolbar button .
The voxel grid parameters and other items set on the MCNP Options dialog can be saved to and read from files.
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