Fix Tangential Hit Bug, Update sectored sphere implementation.

spherical-volume-rendering / svr-algorithm

A spherical volume rendering algorithm that performs ray casting through a spherical voxel grid.

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Fix Tangential Hit Bug, Update sectored sphere implementation. #161

Closed cgyurgyik closed 4 years ago

cgyurgyik commented 4 years ago

Updated the sectored sphere implementation so that the minimum boundaries are part of the grid. Now, the deltas are determined by (max_bound_X - min_bound_X) / num_X_sections

Fixes the tangential hit bug.

Before:

const bool is_tangential_hit =  isEqual(intersection_times[0], intersection_times[1])

After:

const bool is_tangential_hit = intersection_times[0] > t && isEqual(intersection_times[0], intersection_times[1])