MethodCenterOfLowerPixelCenter of the next lower pixel, i.e., not necessarily the pixel containing (x, y). For each dimension, the largest pixel index so that the correspondi
cartographer/mapping/internal/2d/scan_matching/interpolated_tsdf_2d.h:109
MethodCenterOfLowerVoxelCenter of the next lower voxel, i.e., not necessarily the voxel containing (x, y, z). For each dimension, the largest voxel index so that the correspo
cartographer/mapping/internal/3d/scan_matching/interpolated_grid.h:124