uxarray.grid.intersections.get_number_of_intersections

uxarray.grid.intersections.get_number_of_intersections(arr)

Return the number of intersection points in a gca-const-lat result.

Parameters:

arr (numpy.ndarray) – Output of gca_const_lat_intersection(), shape (2, 3) with unused rows filled with NaN.

Returns:

Number of non-NaN intersection points (0, 1, or 2).

Return type:

int

References

Chen, H., Ullrich, P. A., Panetta, J., Marsico, D., Hanke, M., Jain, R., Zhang, C., and Jacob, R. L. (2026). Accurate and robust geometric algorithms for regridding on the sphere. Geoscientific Model Development, 19(14), 6545-6570. https://doi.org/10.5194/gmd-19-6545-2026

Chen, H., Ullrich, P. A., and Panetta, J. (2026). Fast and accurate intersections on a sphere. SIAM Journal on Scientific Computing, 48(2), B208-B232. https://doi.org/10.1137/25M1737614